Documentation

MySQLPlatform extends AbstractMySQLPlatform
in package

Application

Provides the behavior, features and SQL dialect of the Oracle MySQL database platform of the oldest supported version.

Constants

CREATE_FOREIGNKEYS = 2
CREATE_INDEXES = 1
LENGTH_LIMIT_BLOB = 65535
LENGTH_LIMIT_MEDIUMBLOB = 16777215
LENGTH_LIMIT_MEDIUMTEXT = 16777215
LENGTH_LIMIT_TEXT = 65535
LENGTH_LIMIT_TINYBLOB = 255
LENGTH_LIMIT_TINYTEXT = 255

Properties

$_eventManager : EventManager|null
$_keywords : KeywordList|null: Holds the KeywordList instance for the current platform.
$doctrineTypeComments : array<string|int, string>|null: Contains a list of all columns that should generate parseable column comments for type-detection in reverse engineering scenarios.
$doctrineTypeMapping : array<string|int, string>|null

Methods

appendLockHint() : string: Honors that some SQL vendors such as MsSql use table hints for locking instead of the ANSI SQL FOR UPDATE specification.
canEmulateSchemas() : bool: Whether this platform can emulate schemas.
columnsEqual() : bool: Compares the definitions of the given columns in the context of this platform.
convertBooleans() : mixed: Some platforms need the boolean values to be converted.
convertBooleansToDatabaseValue() : mixed: This method should handle the prepared statements case. When there is no distinction, it's OK to use the same method.
convertFromBoolean() : mixed: Some platforms have boolean literals that needs to be correctly converted
createSavePoint() : string: Returns the SQL to create a new savepoint.
createSchemaManager() : AbstractSchemaManager: Creates the schema manager that can be used to inspect and change the underlying database schema according to the dialect of the platform.
escapeStringForLike() : string: Escapes metacharacters in a string intended to be used with a LIKE operator.
getAcosExpression() : string: Returns the SQL to get the arccosine of a value.
getAdvancedForeignKeyOptionsSQL() : string: Returns the FOREIGN KEY query section dealing with non-standard options as MATCH, INITIALLY DEFERRED, ON UPDATE, .
getAlterSchemaSQL() : array<int, string>: Generates SQL statements that can be used to apply the diff.
getAlterSequenceSQL() : string: Returns the SQL to change a sequence on this platform.
getAlterTableSQL() : array<int, string>: Gets the SQL statements for altering an existing table.
getAsciiStringTypeDeclarationSQL() : string: Returns the SQL snippet used to declare a column that can store characters in the ASCII character set
getAvgExpression() : string: Returns the SQL snippet to get the average value of a column.
getBetweenExpression() : string: Returns the SQL that checks if an expression evaluates to a value between two values.
getBigIntTypeDeclarationSQL() : string: Returns the SQL snippet that declares an 8 byte integer column.
getBinaryDefaultLength() : int: Gets the default length of a binary column.
getBinaryMaxLength() : int: Gets the maximum length of a binary column.
getBinaryTypeDeclarationSQL() : string: Returns the SQL snippet used to declare a BINARY/VARBINARY column type.
getBitAndComparisonExpression() : string: Returns the SQL bit AND comparison expression.
getBitOrComparisonExpression() : string: Returns the SQL bit OR comparison expression.
getBlobTypeDeclarationSQL() : string: Returns the SQL Snippet used to declare a BLOB column type.
getBooleanTypeDeclarationSQL() : string: Returns the SQL snippet that declares a boolean column.
getCharMaxLength() : int: Gets the maximum length of a char column.
getCheckDeclarationSQL() : string: Obtains DBMS specific SQL code portion needed to set a CHECK constraint declaration to be used in statements like CREATE TABLE.
getClobTypeDeclarationSQL() : string: Returns the SQL snippet used to declare a CLOB column type.
getColumnCharsetDeclarationSQL() : string: Obtains DBMS specific SQL code portion needed to set the CHARACTER SET of a column declaration to be used in statements like CREATE TABLE.
getColumnCollationDeclarationSQL() : string: Obtains DBMS specific SQL code portion needed to set the COLLATION of a column declaration to be used in statements like CREATE TABLE.
getColumnDeclarationListSQL() : string: Gets declaration of a number of columns in bulk.
getColumnDeclarationSQL() : string: Obtains DBMS specific SQL code portion needed to declare a generic type column to be used in statements like CREATE TABLE.
getColumnsFieldDeclarationListSQL() : string: Obtains DBMS specific SQL code portion needed to set an index declaration to be used in statements like CREATE TABLE.
getCommentOnColumnSQL() : string
getConcatExpression() : string: Returns a SQL snippet to concatenate the given expressions.
getCosExpression() : string: Returns the SQL to get the cosine of a value.
getCountExpression() : string: Returns the SQL snippet to get the number of rows (without a NULL value) of a column.
getCreateConstraintSQL() : string: Returns the SQL to create a constraint on a table on this platform.
getCreateDatabaseSQL() : string: Returns the SQL to create a new database.
getCreateForeignKeySQL() : string: Returns the SQL to create a new foreign key.
getCreateIndexSQL() : string: Returns the SQL to create an index on a table on this platform.
getCreatePrimaryKeySQL() : string: Returns the SQL to create an unnamed primary key constraint.
getCreateSchemaSQL() : string: Returns the SQL to create a named schema.
getCreateSequenceSQL() : string: Returns the SQL to create a sequence on this platform.
getCreateTableSQL() : array<int, string>: Returns the SQL statement(s) to create a table with the specified name, columns and constraints on this platform.
getCreateTablesSQL() : array<int, string>
getCreateTemporaryTableSnippetSQL() : string
getCreateUniqueConstraintSQL() : string: Returns the SQL to create a unique constraint on a table on this platform.
getCreateViewSQL() : string
getCurrentDatabaseExpression() : string: Returns the SQL expression which represents the currently selected database.
getCurrentDateSQL() : string: Returns the SQL specific for the platform to get the current date.
getCurrentTimeSQL() : string: Returns the SQL specific for the platform to get the current time.
getCurrentTimestampSQL() : string: Returns the SQL specific for the platform to get the current timestamp
getCustomTypeDeclarationSQL() : string: Obtains SQL code portion needed to create a custom column, e.g. when a column has the "columnDefinition" keyword.
getDateAddDaysExpression() : string: Returns the SQL to add the number of given days to a date.
getDateAddHourExpression() : string: Returns the SQL to add the number of given hours to a date.
getDateAddMinutesExpression() : string: Returns the SQL to add the number of given minutes to a date.
getDateAddMonthExpression() : string: Returns the SQL to add the number of given months to a date.
getDateAddQuartersExpression() : string: Returns the SQL to add the number of given quarters to a date.
getDateAddSecondsExpression() : string: Returns the SQL to add the number of given seconds to a date.
getDateAddWeeksExpression() : string: Returns the SQL to add the number of given weeks to a date.
getDateAddYearsExpression() : string: Returns the SQL to add the number of given years to a date.
getDateDiffExpression() : string: Returns the SQL to calculate the difference in days between the two passed dates.
getDateFormatString() : string: Gets the format string, as accepted by the date() function, that describes the format of a stored date value of this platform.
getDateSubDaysExpression() : string: Returns the SQL to subtract the number of given days to a date.
getDateSubHourExpression() : string: Returns the SQL to subtract the number of given hours to a date.
getDateSubMinutesExpression() : string: Returns the SQL to subtract the number of given minutes from a date.
getDateSubMonthExpression() : string: Returns the SQL to subtract the number of given months to a date.
getDateSubQuartersExpression() : string: Returns the SQL to subtract the number of given quarters from a date.
getDateSubSecondsExpression() : string: Returns the SQL to subtract the number of given seconds from a date.
getDateSubWeeksExpression() : string: Returns the SQL to subtract the number of given weeks from a date.
getDateSubYearsExpression() : string: Returns the SQL to subtract the number of given years from a date.
getDateTimeFormatString() : string: Gets the format string, as accepted by the date() function, that describes the format of a stored datetime value of this platform.
getDateTimeTypeDeclarationSQL() : string: Obtains DBMS specific SQL to be used to create datetime columns in statements like CREATE TABLE.
getDateTimeTzFormatString() : string: Gets the format string, as accepted by the date() function, that describes the format of a stored datetime with timezone value of this platform.
getDateTimeTzTypeDeclarationSQL() : string: Obtains DBMS specific SQL to be used to create datetime with timezone offset columns.
getDateTypeDeclarationSQL() : string: Obtains DBMS specific SQL to be used to create date columns in statements like CREATE TABLE.
getDecimalTypeDeclarationSQL() : string: Returns the SQL snippet that declares a floating point column of arbitrary precision.
getDefaultSchemaName() : string: Returns the default schema name.
getDefaultTransactionIsolationLevel() : TransactionIsolationLevel::*: Gets the default transaction isolation level of the platform.
getDefaultValueDeclarationSQL() : string: Obtains DBMS specific SQL code portion needed to set a default value declaration to be used in statements like CREATE TABLE.
getDoctrineTypeComment() : string: Gets the comment to append to a column comment that helps parsing this type in reverse engineering.
getDoctrineTypeMapping() : string: Gets the Doctrine type that is mapped for the given database column type.
getDropDatabaseSQL() : string: Returns the SQL snippet to drop an existing database.
getDropForeignKeySQL() : string: Returns the SQL to drop a foreign key.
getDropIndexSQL() : string: Returns the SQL to drop an index from a table.
getDropSchemaSQL() : string: Returns the SQL snippet to drop a schema.
getDropSequenceSQL() : string: Returns the SQL snippet to drop an existing sequence.
getDropTableSQL() : string: Returns the SQL snippet to drop an existing table.
getDropTablesSQL() : array<int, string>
getDropTemporaryTableSQL() : string: Returns the SQL to safely drop a temporary table WITHOUT implicitly committing an open transaction.
getDropUniqueConstraintSQL() : string: Returns the SQL to drop a unique constraint.
getDropViewSQL() : string
getDummySelectSQL() : string: This is for test reasons, many vendors have special requirements for dummy statements.
getEmptyIdentityInsertSQL() : string: Returns the insert SQL for an empty insert statement.
getEventManager() : EventManager|null: Gets the EventManager used by the Platform.
getFloatDeclarationSQL() : string
getForeignKeyBaseDeclarationSQL() : string: Obtains DBMS specific SQL code portion needed to set the FOREIGN KEY constraint of a column declaration to be used in statements like CREATE TABLE.
getForeignKeyDeclarationSQL() : string: Obtain DBMS specific SQL code portion needed to set the FOREIGN KEY constraint of a column declaration to be used in statements like CREATE TABLE.
getForeignKeyReferentialActionSQL() : string: Returns the given referential action in uppercase if valid, otherwise throws an exception.
getForUpdateSQL() : string: Returns the FOR UPDATE expression.
getGuidTypeDeclarationSQL() : string: Returns the SQL snippet to declare a GUID/UUID column.
getIdentifierQuoteCharacter() : string: Gets the character used for identifier quoting.
getIdentitySequenceName() : string: Returns the name of the sequence for a particular identity column in a particular table.
getIndexDeclarationSQL() : string: Obtains DBMS specific SQL code portion needed to set an index declaration to be used in statements like CREATE TABLE.
getIndexFieldDeclarationListSQL() : string: Obtains DBMS specific SQL code portion needed to set an index declaration to be used in statements like CREATE TABLE.
getInlineColumnCommentSQL() : string: Returns the SQL to create inline comment on a column.
getIntegerTypeDeclarationSQL() : string: Returns the SQL snippet that declares a 4 byte integer column.
getIsNotNullExpression() : string: Returns the SQL that checks if an expression is not null.
getIsNullExpression() : string: Returns the SQL that checks if an expression is null.
getJsonTypeDeclarationSQL() : string: Returns the SQL snippet to declare a JSON column.
getLengthExpression() : string: Returns the SQL snippet to get the length of a text column in characters.
getListNamespacesSQL() : string: Returns the SQL statement for retrieving the namespaces defined in the database.
getListTableColumnsSQL() : string
getListTableConstraintsSQL() : string
getListTableForeignKeysSQL() : string
getListTableIndexesSQL() : string
getListTableMetadataSQL() : string
getListTablesSQL() : string
getListUsersSQL() : string
getLocateExpression() : string: Returns the SQL snippet to get the position of the first occurrence of substring $substr in string $str.
getLowerExpression() : string: Returns the SQL snippet to change all characters from the expression to lowercase, according to the current character set mapping.
getLtrimExpression() : string: Returns the SQL snippet to trim leading space characters from the expression.
getMaxExpression() : string: Returns the SQL snippet to get the highest value of a column.
getMaxIdentifierLength() : int: Maximum length of any given database identifier, like tables or column names.
getMd5Expression() : string: Returns the SQL snippet to get the md5 sum of a column.
getMinExpression() : string: Returns the SQL snippet to get the lowest value of a column.
getModExpression() : string: Returns the SQL snippet to get the remainder of the division operation $expression1 / $expression2.
getName() : string: Gets the name of the platform.
getNotExpression() : string: Returns the SQL for a logical not.
getNowExpression() : string: Returns the SQL snippet to get the current system date.
getPiExpression() : string: Returns the SQL to get the PI value.
getReadLockSQL() : string: Returns the SQL snippet to append to any SELECT statement which locks rows in shared read lock.
getRegexpExpression() : string: Returns the regular expression operator.
getRenameTableSQL() : array<int, string>
getReservedKeywordsList() : KeywordList: Returns the keyword list instance of this platform.
getRoundExpression() : string: Returns the SQL snippet to round a numeric column to the number of decimals specified.
getRtrimExpression() : string: Returns the SQL snippet to trim trailing space characters from the expression.
getSequenceNextValSQL() : string
getSetTransactionIsolationSQL() : string: Returns the SQL to set the transaction isolation level.
getSinExpression() : string: Returns the SQL to get the sine of a value.
getSmallIntTypeDeclarationSQL() : string: Returns the SQL snippet that declares a 2 byte integer column.
getSqlCommentEndString() : string: Gets the string portion that ends an SQL comment.
getSqlCommentStartString() : string: Gets the string portion that starts an SQL comment.
getSqrtExpression() : string: Returns the SQL snippet to get the squared value of a column.
getStringLiteralQuoteCharacter() : string: Gets the character used for string literal quoting.
getStringTypeDeclarationSQL() : string: Returns the SQL snippet used to declare a string column type.
getSubstringExpression() : string: Returns a SQL snippet to get a substring inside an SQL statement.
getSumExpression() : string: Returns the SQL snippet to get the total sum of a column.
getTemporaryTableName() : string: Some vendors require temporary table names to be qualified specially.
getTemporaryTableSQL() : string: Returns the required SQL string that fits between CREATE ... TABLE to create the table as a temporary table.
getTimeFormatString() : string: Gets the format string, as accepted by the date() function, that describes the format of a stored time value of this platform.
getTimeTypeDeclarationSQL() : string: Obtains DBMS specific SQL to be used to create time columns in statements like CREATE TABLE.
getTrimExpression() : string: Returns the SQL snippet to trim a string.
getTruncateTableSQL() : string: Generates a Truncate Table SQL statement for a given table.
getUniqueConstraintDeclarationSQL() : string: Obtains DBMS specific SQL code portion needed to set a unique constraint declaration to be used in statements like CREATE TABLE.
getUniqueFieldDeclarationSQL() : string: Obtains DBMS specific SQL code portion needed to set the UNIQUE constraint of a column declaration to be used in statements like CREATE TABLE.
getUpperExpression() : string: Returns the SQL snippet to change all characters from the expression to uppercase, according to the current character set mapping.
getVarcharDefaultLength() : int: Gets the default length of a varchar column.
getVarcharMaxLength() : int: Gets the maximum length of a varchar column.
getVarcharTypeDeclarationSQL() : string: Returns the SQL snippet used to declare a VARCHAR column type.
getWildcards() : array<string|int, string>: Gets all SQL wildcard characters of the platform.
getWriteLockSQL() : string: Returns the SQL snippet to append to any SELECT statement which obtains an exclusive lock on the rows.
hasDoctrineTypeMappingFor() : bool: Checks if a database type is currently supported by this platform.
hasNativeGuidType() : bool: Does this platform have native guid type.
hasNativeJsonType() : bool: Does this platform have native JSON type.
isCommentedDoctrineType() : bool: Is it necessary for the platform to add a parsable type comment to allow reverse engineering the given type?
markDoctrineTypeCommented() : void: Marks this type as to be commented in ALTER TABLE and CREATE TABLE statements.
modifyLimitQuery() : string: Adds an driver-specific LIMIT clause to the query.
prefersIdentityColumns() : bool: Whether the platform prefers identity columns (eg. autoincrement) for ID generation.
quoteIdentifier() : string: Quotes a string so that it can be safely used as a table or column name, even if it is a reserved word of the platform. This also detects identifier chains separated by dot and quotes them independently.
quoteSingleIdentifier() : string: Quotes a single identifier (no dot chain separation).
quoteStringLiteral() : string: Quotes a literal string.
registerDoctrineTypeMapping() : void: Registers a doctrine type to be used in conjunction with a column type of this platform.
releaseSavePoint() : string: Returns the SQL to release a savepoint.
rollbackSavePoint() : string: Returns the SQL to rollback a savepoint.
setEventManager() : void: Sets the EventManager used by the Platform.
supportsAlterTable() : bool: Whether the platform supports altering tables.
supportsColumnCollation() : bool: Does this platform support column collation?
supportsColumnLengthIndexes() : bool: Whether the platform supports indexes with column length definitions.
supportsCommentOnStatement() : bool: Whether this platform support the proprietary syntax "COMMENT ON asset".
supportsCreateDropDatabase() : bool: Whether this platform supports create database.
supportsForeignKeyConstraints() : bool: Whether the platform supports foreign key constraints.
supportsGettingAffectedRows() : bool: Whether the platform supports getting the affected rows of a recent update/delete type query.
supportsIdentityColumns() : bool: Whether the platform supports identity columns.
supportsIndexes() : bool: Whether the platform supports indexes.
supportsInlineColumnComments() : bool: Whether this platform support to add inline column comments as postfix.
supportsLimitOffset() : bool: Whether the database platform support offsets in modify limit clauses.
supportsPartialIndexes() : bool: Whether the platform supports partial indexes.
supportsPrimaryConstraints() : bool: Whether the platform supports primary key constraints.
supportsReleaseSavepoints() : bool: Whether the platform supports releasing savepoints.
supportsSavepoints() : bool: Whether the platform supports savepoints.
supportsSchemas() : bool: Whether the platform supports database schemas.
supportsSequences() : bool: Whether the platform supports sequences.
supportsTransactions() : bool: Whether the platform supports transactions.
supportsViews() : bool: Whether this platform supports views.
usesSequenceEmulatedIdentityColumns() : bool: Whether the platform emulates identity columns through sequences.
_getCommonIntegerTypeDeclarationSQL() : string: Returns the SQL snippet that declares common properties of an integer column.
_getCreateTableSQL() : array<string|int, string>: Returns the SQL used to create a table.
_getTransactionIsolationLevelSQL() : string: Returns the SQL for a given transaction isolation level Connection constant.
createReservedKeywordsList() : KeywordList: Creates an instance of the reserved keyword list of this platform.
doModifyLimitQuery() : string: Adds an platform-specific LIMIT clause to the query.
getBinaryTypeDeclarationSQLSnippet() : string: Returns the SQL snippet used to declare a BINARY/VARBINARY column type.
getColumnComment() : string|null: Gets the comment of a passed column modified by potential doctrine type comment hints.
getCommentOnTableSQL() : string
getCreateIndexSQLFlags() : string: Adds additional flags for index generation.
getDateArithmeticIntervalExpression() : string: Returns the SQL for a date arithmetic expression.
getDropPrimaryKeySQL() : string
getLikeWildcardCharacters() : string
getPartialIndexSQL() : string: Adds condition for partial index.
getPostAlterTableIndexForeignKeySQL() : array<string|int, string>
getPostAlterTableRenameIndexForeignKeySQL() : array<string|int, string>
getPreAlterTableIndexForeignKeySQL() : array<string|int, string>
getPreAlterTableRenameIndexForeignKeySQL() : array<string|int, string>
getRenameIndexSQL() : array<string|int, string>: Returns the SQL for renaming an index on a table.
getReservedKeywordsClass() : string: Returns the class name of the reserved keywords list.
getVarcharTypeDeclarationSQLSnippet() : string
initializeCommentedDoctrineTypes() : void: Initializes the Doctrine Type comments instance variable for in_array() checks.
initializeDoctrineTypeMappings() : void: Lazy load Doctrine Type Mappings.
onSchemaAlterTable() : bool
onSchemaAlterTableAddColumn() : bool
onSchemaAlterTableChangeColumn() : bool
onSchemaAlterTableRemoveColumn() : bool
onSchemaAlterTableRenameColumn() : bool
buildCreateTableSQL() : array<int, string>
buildPartitionOptions() : string: Build SQL for partition options.
buildTableOptions() : string: Build SQL for table options
columnToArray() : array<string, mixed>
engineSupportsForeignKeys() : bool
getDatabaseNameSQL() : string
getPreAlterTableAlterIndexForeignKeySQL() : array<string|int, string>
getPreAlterTableAlterPrimaryKeySQL() : array<string|int, string>
getRemainingForeignKeyConstraintsRequiringRenamedIndexes() : array<string|int, ForeignKeyConstraint>: Returns the remaining foreign key constraints that require one of the renamed indexes.
getUnsignedDeclaration() : string: Get unsigned declaration for a column.
indexAssetsByLowerCaseName() : array<string, T>
initializeAllDoctrineTypeMappings() : void: Initializes Doctrine Type Mappings with the platform defaults and with all additional type mappings.

CREATE_FOREIGNKEYS


    public
        mixed
    CREATE_FOREIGNKEYS
    = 2

CREATE_INDEXES


    public
        mixed
    CREATE_INDEXES
    = 1

LENGTH_LIMIT_BLOB


    public
        mixed
    LENGTH_LIMIT_BLOB
    = 65535

LENGTH_LIMIT_MEDIUMBLOB


    public
        mixed
    LENGTH_LIMIT_MEDIUMBLOB
    = 16777215

LENGTH_LIMIT_MEDIUMTEXT


    public
        mixed
    LENGTH_LIMIT_MEDIUMTEXT
    = 16777215

LENGTH_LIMIT_TEXT


    public
        mixed
    LENGTH_LIMIT_TEXT
    = 65535

LENGTH_LIMIT_TINYBLOB


    public
        mixed
    LENGTH_LIMIT_TINYBLOB
    = 255

LENGTH_LIMIT_TINYTEXT


    public
        mixed
    LENGTH_LIMIT_TINYTEXT
    = 255

$_eventManager


    protected
        EventManager|null
    $_eventManager

$_keywords

Holds the KeywordList instance for the current platform.


    protected
        KeywordList|null
    $_keywords

$doctrineTypeComments

Contains a list of all columns that should generate parseable column comments for type-detection in reverse engineering scenarios.


    protected
        array<string|int, string>|null
    $doctrineTypeComments

$doctrineTypeMapping


    protected
        array<string|int, string>|null
    $doctrineTypeMapping

appendLockHint()

Honors that some SQL vendors such as MsSql use table hints for locking instead of the ANSI SQL FOR UPDATE specification.


    public
                    appendLockHint(string $fromClause, int $lockMode) : string

Parameters

$fromClause : string: The FROM clause to append the hint for the given lock mode to
$lockMode : int: One of the Doctrine\DBAL\LockMode::* constants

Return values

string

canEmulateSchemas()

Whether this platform can emulate schemas.


    public
                    canEmulateSchemas() : bool

Return values

bool

columnsEqual()

Compares the definitions of the given columns in the context of this platform.


    public
                    columnsEqual(Column $column1, Column $column2) : bool

Parameters

$column1 : Column
$column2 : Column

Return values

bool

convertBooleans()

Some platforms need the boolean values to be converted.


    public
                    convertBooleans(mixed $item) : mixed

The default conversion in this implementation converts to integers (false => 0, true => 1).

Note: if the input is not a boolean the original input might be returned.

There are two contexts when converting booleans: Literals and Prepared Statements. This method should handle the literal case

Parameters

$item : mixed: A boolean or an array of them.

Return values

mixed —

A boolean database value or an array of them.

convertBooleansToDatabaseValue()

This method should handle the prepared statements case. When there is no distinction, it's OK to use the same method.


    public
                    convertBooleansToDatabaseValue(mixed $item) : mixed

Note: if the input is not a boolean the original input might be returned.

Parameters

$item : mixed: A boolean or an array of them.

Return values

mixed —

A boolean database value or an array of them.

convertFromBoolean()

Some platforms have boolean literals that needs to be correctly converted


    public
                    convertFromBoolean(T $item) : mixed

The default conversion tries to convert value into bool "(bool)$item"

Parameters

$item : T

createSavePoint()

Returns the SQL to create a new savepoint.


    public
                    createSavePoint(string $savepoint) : string

Parameters

$savepoint : string

Return values

string

createSchemaManager()

Creates the schema manager that can be used to inspect and change the underlying database schema according to the dialect of the platform.


    public
                    createSchemaManager(Connection $connection) : AbstractSchemaManager

Parameters

$connection : Connection

Return values

AbstractSchemaManager

escapeStringForLike()

Escapes metacharacters in a string intended to be used with a LIKE operator.


    public
        final            escapeStringForLike(string $inputString, string $escapeChar) : string

Parameters

$inputString : string: a literal, unquoted string
$escapeChar : string: should be reused by the caller in the LIKE expression.

Return values

string

getAcosExpression()

Returns the SQL to get the arccosine of a value.


    public
                    getAcosExpression(string $value) : string

Parameters

$value : string

Return values

string

getAdvancedForeignKeyOptionsSQL()

Returns the FOREIGN KEY query section dealing with non-standard options as MATCH, INITIALLY DEFERRED, ON UPDATE, .


    public
                    getAdvancedForeignKeyOptionsSQL(ForeignKeyConstraint $foreignKey) : string

Parameters

$foreignKey : ForeignKeyConstraint: The foreign key definition.

Return values

string

getAlterSchemaSQL()

Generates SQL statements that can be used to apply the diff.


    public
                    getAlterSchemaSQL(SchemaDiff $diff) : array<int, string>

Parameters

$diff : SchemaDiff

Return values

array<int, string>

getAlterSequenceSQL()

Returns the SQL to change a sequence on this platform.


    public
                    getAlterSequenceSQL(Sequence $sequence) : string

Parameters

$sequence : Sequence

Return values

string

getAlterTableSQL()

Gets the SQL statements for altering an existing table.


    public
                    getAlterTableSQL(TableDiff $diff) : array<int, string>

This method returns an array of SQL statements, since some platforms need several statements.

Parameters

$diff : TableDiff

Return values

array<int, string>

getAsciiStringTypeDeclarationSQL()

Returns the SQL snippet used to declare a column that can store characters in the ASCII character set


    public
                    getAsciiStringTypeDeclarationSQL(array<string|int, mixed> $column) : string

Parameters

$column : array<string|int, mixed>

Return values

string

getAvgExpression()

Returns the SQL snippet to get the average value of a column.


    public
                    getAvgExpression(string $column) : string

Parameters

$column : string: The column to use.

Return values

string —

Generated SQL including an AVG aggregate function.

getBetweenExpression()

Returns the SQL that checks if an expression evaluates to a value between two values.


    public
                    getBetweenExpression(string $expression, string $value1, string $value2) : string

The parameter $expression is checked if it is between $value1 and $value2.

Note: There is a slight difference in the way BETWEEN works on some databases. http://www.w3schools.com/sql/sql_between.asp. If you want complete database independence you should avoid using between().

Parameters

$expression : string: The value to compare to.
$value1 : string: The lower value to compare with.
$value2 : string: The higher value to compare with.

Return values

string —

The logical expression.

getBigIntTypeDeclarationSQL()

Returns the SQL snippet that declares an 8 byte integer column.


    public
    abstract                getBigIntTypeDeclarationSQL(array<string|int, mixed> $column) : string

Parameters

$column : array<string|int, mixed>

Return values

string

getBinaryDefaultLength()

Gets the default length of a binary column.


    public
                    getBinaryDefaultLength() : int

Return values

int

getBinaryMaxLength()

Gets the maximum length of a binary column.


    public
                    getBinaryMaxLength() : int

Return values

int

getBinaryTypeDeclarationSQL()

Returns the SQL snippet used to declare a BINARY/VARBINARY column type.


    public
                    getBinaryTypeDeclarationSQL(array<string|int, mixed> $column) : string

Parameters

$column : array<string|int, mixed>: The column definition.

Return values

string

getBitAndComparisonExpression()

Returns the SQL bit AND comparison expression.


    public
                    getBitAndComparisonExpression(string $value1, string $value2) : string

Parameters

$value1 : string
$value2 : string

Return values

string

getBitOrComparisonExpression()

Returns the SQL bit OR comparison expression.


    public
                    getBitOrComparisonExpression(string $value1, string $value2) : string

Parameters

$value1 : string
$value2 : string

Return values

string

getBlobTypeDeclarationSQL()

Returns the SQL Snippet used to declare a BLOB column type.


    public
    abstract                getBlobTypeDeclarationSQL(array<string|int, mixed> $column) : string

Parameters

$column : array<string|int, mixed>

Return values

string

getBooleanTypeDeclarationSQL()

Returns the SQL snippet that declares a boolean column.


    public
    abstract                getBooleanTypeDeclarationSQL(array<string|int, mixed> $column) : string

Parameters

$column : array<string|int, mixed>

Return values

string

getCharMaxLength()

Gets the maximum length of a char column.


    public
                    getCharMaxLength() : int

Return values

int

getCheckDeclarationSQL()

Obtains DBMS specific SQL code portion needed to set a CHECK constraint declaration to be used in statements like CREATE TABLE.


    public
                    getCheckDeclarationSQL(array<string|int, string>|array<string|int, array<string|int, mixed>> $definition) : string

Parameters

$definition : array<string|int, string>|array<string|int, array<string|int, mixed>>: The check definition.

Return values

string —

DBMS specific SQL code portion needed to set a CHECK constraint.

getClobTypeDeclarationSQL()

Returns the SQL snippet used to declare a CLOB column type.


    public
    abstract                getClobTypeDeclarationSQL(array<string|int, mixed> $column) : string

Parameters

$column : array<string|int, mixed>

Return values

string

getColumnCharsetDeclarationSQL()

Obtains DBMS specific SQL code portion needed to set the CHARACTER SET of a column declaration to be used in statements like CREATE TABLE.


    public
                    getColumnCharsetDeclarationSQL(string $charset) : string

Parameters

$charset : string: The name of the charset.

Return values

string —

DBMS specific SQL code portion needed to set the CHARACTER SET of a column declaration.

getColumnCollationDeclarationSQL()

Obtains DBMS specific SQL code portion needed to set the COLLATION of a column declaration to be used in statements like CREATE TABLE.


    public
                    getColumnCollationDeclarationSQL(string $collation) : string

Parameters

$collation : string: The name of the collation.

Return values

string —

DBMS specific SQL code portion needed to set the COLLATION of a column declaration.

getColumnDeclarationListSQL()

Gets declaration of a number of columns in bulk.


    public
                    getColumnDeclarationListSQL(array<string|int, array<string|int, mixed>> $columns) : string

Parameters

$columns : array<string|int, array<string|int, mixed>>: A multidimensional associative array. The first dimension determines the column name, while the second dimension is keyed with the name of the properties of the column being declared as array indexes. Currently, the types of supported column properties are as follows:

length Integer value that determines the maximum length of the text column. If this argument is missing the column should be declared to have the longest length allowed by the DBMS.

default Text value to be used as default for this column.

notnull Boolean flag that indicates whether this column is constrained to not be set to null. charset Text value with the default CHARACTER SET for this column. collation Text value with the default COLLATION for this column. unique unique constraint

Return values

string

getColumnDeclarationSQL()

Obtains DBMS specific SQL code portion needed to declare a generic type column to be used in statements like CREATE TABLE.


    public
                    getColumnDeclarationSQL(string $name, array<string|int, mixed> $column) : string

Parameters

$name : string: The name the column to be declared.
$column : array<string|int, mixed>: An associative array with the name of the properties of the column being declared as array indexes. Currently, the types of supported column properties are as follows:

length Integer value that determines the maximum length of the text column. If this argument is missing the column should be declared to have the longest length allowed by the DBMS.

default Text value to be used as default for this column.

notnull Boolean flag that indicates whether this column is constrained to not be set to null. charset Text value with the default CHARACTER SET for this column. collation Text value with the default COLLATION for this column. unique unique constraint check column check constraint columnDefinition a string that defines the complete column

Return values

string —

DBMS specific SQL code portion that should be used to declare the column.

getColumnsFieldDeclarationListSQL()

Obtains DBMS specific SQL code portion needed to set an index declaration to be used in statements like CREATE TABLE.


    public
                    getColumnsFieldDeclarationListSQL(array<string|int, mixed> $columns) : string

Parameters

$columns : array<string|int, mixed>

Return values

string

getCommentOnColumnSQL()


    public
                    getCommentOnColumnSQL(string $tableName, string $columnName, string|null $comment) : string

Parameters

$tableName : string
$columnName : string
$comment : string|null

Return values

string

getConcatExpression()

Returns a SQL snippet to concatenate the given expressions.


    public
                    getConcatExpression() : string

Accepts an arbitrary number of string parameters. Each parameter must contain an expression.

Return values

string

getCosExpression()

Returns the SQL to get the cosine of a value.


    public
                    getCosExpression(string $value) : string

Parameters

$value : string

Return values

string

getCountExpression()

Returns the SQL snippet to get the number of rows (without a NULL value) of a column.


    public
                    getCountExpression(string|int $column) : string

If a '*' is used instead of a column the number of selected rows is returned.

Parameters

$column : string|int: The column to use.

Return values

string —

Generated SQL including a COUNT aggregate function.

getCreateConstraintSQL()

Returns the SQL to create a constraint on a table on this platform.


    public
                    getCreateConstraintSQL(Constraint $constraint, Table|string $table) : string

Parameters

$constraint : Constraint
$table : Table|string

Return values

string

getCreateDatabaseSQL()

Returns the SQL to create a new database.


    public
                    getCreateDatabaseSQL(string $name) : string

Parameters

$name : string: The name of the database that should be created.

Return values

string

getCreateForeignKeySQL()

Returns the SQL to create a new foreign key.


    public
                    getCreateForeignKeySQL(ForeignKeyConstraint $foreignKey, Table|string $table) : string

Parameters

$foreignKey : ForeignKeyConstraint: The foreign key constraint.
$table : Table|string: The name of the table on which the foreign key is to be created.

Return values

string

getCreateIndexSQL()

Returns the SQL to create an index on a table on this platform.


    public
                    getCreateIndexSQL(Index $index, Table|string $table) : string

Parameters

$index : Index
$table : Table|string: The name of the table on which the index is to be created.

Return values

string

getCreatePrimaryKeySQL()

Returns the SQL to create an unnamed primary key constraint.


    public
                    getCreatePrimaryKeySQL(Index $index, Table|string $table) : string

Parameters

$index : Index
$table : Table|string

Return values

string

getCreateSchemaSQL()

Returns the SQL to create a named schema.


    public
                    getCreateSchemaSQL(string $schemaName) : string

Parameters

$schemaName : string

Return values

string

getCreateSequenceSQL()

Returns the SQL to create a sequence on this platform.


    public
                    getCreateSequenceSQL(Sequence $sequence) : string

Parameters

$sequence : Sequence

Return values

string

getCreateTableSQL()

Returns the SQL statement(s) to create a table with the specified name, columns and constraints on this platform.


    public
                    getCreateTableSQL(Table $table[, int $createFlags = self::CREATE_INDEXES ]) : array<int, string>

Parameters

$table : Table
$createFlags : int = self::CREATE_INDEXES

Return values

array<int, string> —

The list of SQL statements.

getCreateTablesSQL()


    public
                    getCreateTablesSQL(array<int, Table> $tables) : array<int, string>

Parameters

$tables : array<int, Table>

Return values

array<int, string>

getCreateTemporaryTableSnippetSQL()


    public
                    getCreateTemporaryTableSnippetSQL() : string

Return values

string

getCreateUniqueConstraintSQL()

Returns the SQL to create a unique constraint on a table on this platform.


    public
                    getCreateUniqueConstraintSQL(UniqueConstraint $constraint, string $tableName) : string

Parameters

$constraint : UniqueConstraint
$tableName : string

Return values

string

getCreateViewSQL()


    public
                    getCreateViewSQL(string $name, string $sql) : string

Parameters

$name : string
$sql : string

Return values

string

getCurrentDatabaseExpression()

Returns the SQL expression which represents the currently selected database.


    public
    abstract                getCurrentDatabaseExpression() : string

Return values

string

getCurrentDateSQL()

Returns the SQL specific for the platform to get the current date.


    public
                    getCurrentDateSQL() : string

Return values

string

getCurrentTimeSQL()

Returns the SQL specific for the platform to get the current time.


    public
                    getCurrentTimeSQL() : string

Return values

string

getCurrentTimestampSQL()

Returns the SQL specific for the platform to get the current timestamp


    public
                    getCurrentTimestampSQL() : string

Return values

string

getCustomTypeDeclarationSQL()

Obtains SQL code portion needed to create a custom column, e.g. when a column has the "columnDefinition" keyword.


    public
                    getCustomTypeDeclarationSQL(array<string|int, mixed> $column) : string

Only "AUTOINCREMENT" and "PRIMARY KEY" are added if appropriate.

Parameters

$column : array<string|int, mixed>

Return values

string

getDateAddDaysExpression()

Returns the SQL to add the number of given days to a date.


    public
                    getDateAddDaysExpression(string $date, int|numeric-string $days) : string

Parameters

$date : string
$days : int|numeric-string

Return values

string

getDateAddHourExpression()

Returns the SQL to add the number of given hours to a date.


    public
                    getDateAddHourExpression(string $date, int|numeric-string $hours) : string

Parameters

$date : string
$hours : int|numeric-string

Return values

string

getDateAddMinutesExpression()

Returns the SQL to add the number of given minutes to a date.


    public
                    getDateAddMinutesExpression(string $date, int|numeric-string $minutes) : string

Parameters

$date : string
$minutes : int|numeric-string

Return values

string

getDateAddMonthExpression()

Returns the SQL to add the number of given months to a date.


    public
                    getDateAddMonthExpression(string $date, int|numeric-string $months) : string

Parameters

$date : string
$months : int|numeric-string

Return values

string

getDateAddQuartersExpression()

Returns the SQL to add the number of given quarters to a date.


    public
                    getDateAddQuartersExpression(string $date, int|numeric-string $quarters) : string

Parameters

$date : string
$quarters : int|numeric-string

Return values

string

getDateAddSecondsExpression()

Returns the SQL to add the number of given seconds to a date.


    public
                    getDateAddSecondsExpression(string $date, int|numeric-string $seconds) : string

Parameters

$date : string
$seconds : int|numeric-string

Return values

string

getDateAddWeeksExpression()

Returns the SQL to add the number of given weeks to a date.


    public
                    getDateAddWeeksExpression(string $date, int|numeric-string $weeks) : string

Parameters

$date : string
$weeks : int|numeric-string

Return values

string

getDateAddYearsExpression()

Returns the SQL to add the number of given years to a date.


    public
                    getDateAddYearsExpression(string $date, int|numeric-string $years) : string

Parameters

$date : string
$years : int|numeric-string

Return values

string

getDateDiffExpression()

Returns the SQL to calculate the difference in days between the two passed dates.


    public
                    getDateDiffExpression(string $date1, string $date2) : string

Computes diff = date1 - date2.

Parameters

$date1 : string
$date2 : string

Return values

string

getDateFormatString()

Gets the format string, as accepted by the date() function, that describes the format of a stored date value of this platform.


    public
                    getDateFormatString() : string

Return values

string —

The format string.

getDateSubDaysExpression()

Returns the SQL to subtract the number of given days to a date.


    public
                    getDateSubDaysExpression(string $date, int|numeric-string $days) : string

Parameters

$date : string
$days : int|numeric-string

Return values

string

getDateSubHourExpression()

Returns the SQL to subtract the number of given hours to a date.


    public
                    getDateSubHourExpression(string $date, int|numeric-string $hours) : string

Parameters

$date : string
$hours : int|numeric-string

Return values

string

getDateSubMinutesExpression()

Returns the SQL to subtract the number of given minutes from a date.


    public
                    getDateSubMinutesExpression(string $date, int|numeric-string $minutes) : string

Parameters

$date : string
$minutes : int|numeric-string

Return values

string

getDateSubMonthExpression()

Returns the SQL to subtract the number of given months to a date.


    public
                    getDateSubMonthExpression(string $date, int|numeric-string $months) : string

Parameters

$date : string
$months : int|numeric-string

Return values

string

getDateSubQuartersExpression()

Returns the SQL to subtract the number of given quarters from a date.


    public
                    getDateSubQuartersExpression(string $date, int|numeric-string $quarters) : string

Parameters

$date : string
$quarters : int|numeric-string

Return values

string

getDateSubSecondsExpression()

Returns the SQL to subtract the number of given seconds from a date.


    public
                    getDateSubSecondsExpression(string $date, int|numeric-string $seconds) : string

Parameters

$date : string
$seconds : int|numeric-string

Return values

string

getDateSubWeeksExpression()

Returns the SQL to subtract the number of given weeks from a date.


    public
                    getDateSubWeeksExpression(string $date, int|numeric-string $weeks) : string

Parameters

$date : string
$weeks : int|numeric-string

Return values

string

getDateSubYearsExpression()

Returns the SQL to subtract the number of given years from a date.


    public
                    getDateSubYearsExpression(string $date, int|numeric-string $years) : string

Parameters

$date : string
$years : int|numeric-string

Return values

string

getDateTimeFormatString()

Gets the format string, as accepted by the date() function, that describes the format of a stored datetime value of this platform.


    public
                    getDateTimeFormatString() : string

Return values

string —

The format string.

getDateTimeTypeDeclarationSQL()

Obtains DBMS specific SQL to be used to create datetime columns in statements like CREATE TABLE.


    public
                    getDateTimeTypeDeclarationSQL(array<string|int, mixed> $column) : string

Parameters

$column : array<string|int, mixed>

Return values

string

getDateTimeTzFormatString()

Gets the format string, as accepted by the date() function, that describes the format of a stored datetime with timezone value of this platform.


    public
                    getDateTimeTzFormatString() : string

Return values

string —

The format string.

getDateTimeTzTypeDeclarationSQL()

Obtains DBMS specific SQL to be used to create datetime with timezone offset columns.


    public
                    getDateTimeTzTypeDeclarationSQL(array<string|int, mixed> $column) : string

Parameters

$column : array<string|int, mixed>

Return values

string

getDateTypeDeclarationSQL()

Obtains DBMS specific SQL to be used to create date columns in statements like CREATE TABLE.


    public
                    getDateTypeDeclarationSQL(array<string|int, mixed> $column) : string

Parameters

$column : array<string|int, mixed>

Return values

string

getDecimalTypeDeclarationSQL()

Returns the SQL snippet that declares a floating point column of arbitrary precision.


    public
                    getDecimalTypeDeclarationSQL(array<string|int, mixed> $column) : string

Parameters

$column : array<string|int, mixed>

Return values

string

getDefaultSchemaName()

Returns the default schema name.


    public
                    getDefaultSchemaName() : string

Return values

string

getDefaultTransactionIsolationLevel()

Gets the default transaction isolation level of the platform.


    public
                    getDefaultTransactionIsolationLevel() : TransactionIsolationLevel::*

Return values

TransactionIsolationLevel::* —

The default isolation level.

getDefaultValueDeclarationSQL()

Obtains DBMS specific SQL code portion needed to set a default value declaration to be used in statements like CREATE TABLE.


    public
                    getDefaultValueDeclarationSQL(array<string|int, mixed> $column) : string

Parameters

$column : array<string|int, mixed>: The column definition array.

Return values

string —

DBMS specific SQL code portion needed to set a default value.

getDoctrineTypeComment()

Gets the comment to append to a column comment that helps parsing this type in reverse engineering.


    public
                    getDoctrineTypeComment(Type $doctrineType) : string

Parameters

$doctrineType : Type

Return values

string

getDoctrineTypeMapping()

Gets the Doctrine type that is mapped for the given database column type.


    public
                    getDoctrineTypeMapping(string $dbType) : string

Parameters

$dbType : string

Return values

string

getDropDatabaseSQL()

Returns the SQL snippet to drop an existing database.


    public
                    getDropDatabaseSQL(string $name) : string

Parameters

$name : string: The name of the database that should be dropped.

Return values

string

getDropForeignKeySQL()

Returns the SQL to drop a foreign key.


    public
                    getDropForeignKeySQL(ForeignKeyConstraint|string $foreignKey, Table|string $table) : string

Parameters

$foreignKey : ForeignKeyConstraint|string
$table : Table|string

Return values

string

getDropIndexSQL()

Returns the SQL to drop an index from a table.


    public
                    getDropIndexSQL(Index|string $index[, Table|string|null $table = null ]) : string

Parameters

$index : Index|string
$table : Table|string|null = null

Return values

string

getDropSchemaSQL()

Returns the SQL snippet to drop a schema.


    public
                    getDropSchemaSQL(string $schemaName) : string

Parameters

$schemaName : string

Return values

string

getDropSequenceSQL()

Returns the SQL snippet to drop an existing sequence.


    public
                    getDropSequenceSQL(Sequence|string $sequence) : string

Parameters

$sequence : Sequence|string

Return values

string

getDropTableSQL()

Returns the SQL snippet to drop an existing table.


    public
                    getDropTableSQL(Table|string $table) : string

Parameters

$table : Table|string

Return values

string

getDropTablesSQL()


    public
                    getDropTablesSQL(array<int, Table> $tables) : array<int, string>

Parameters

$tables : array<int, Table>

Return values

array<int, string>

getDropTemporaryTableSQL()

Returns the SQL to safely drop a temporary table WITHOUT implicitly committing an open transaction.


    public
                    getDropTemporaryTableSQL(Table|string $table) : string

Parameters

$table : Table|string

Return values

string

getDropUniqueConstraintSQL()

Returns the SQL to drop a unique constraint.


    public
                    getDropUniqueConstraintSQL(string $name, string $tableName) : string

Parameters

$name : string
$tableName : string

Return values

string

getDropViewSQL()


    public
                    getDropViewSQL(string $name) : string

Parameters

$name : string

Return values

string

getDummySelectSQL()

This is for test reasons, many vendors have special requirements for dummy statements.


    public
                    getDummySelectSQL() : string

Return values

string

getEmptyIdentityInsertSQL()

Returns the insert SQL for an empty insert statement.


    public
                    getEmptyIdentityInsertSQL(string $quotedTableName, string $quotedIdentifierColumnName) : string

Parameters

$quotedTableName : string
$quotedIdentifierColumnName : string

Return values

string

getEventManager()

Gets the EventManager used by the Platform.


    public
                    getEventManager() : EventManager|null

Return values

EventManager|null

getFloatDeclarationSQL()


    public
                    getFloatDeclarationSQL(array<string|int, mixed> $column) : string

Parameters

$column : array<string|int, mixed>

Return values

string

getForeignKeyBaseDeclarationSQL()

Obtains DBMS specific SQL code portion needed to set the FOREIGN KEY constraint of a column declaration to be used in statements like CREATE TABLE.


    public
                    getForeignKeyBaseDeclarationSQL(ForeignKeyConstraint $foreignKey) : string

Parameters

$foreignKey : ForeignKeyConstraint

Return values

string

getForeignKeyDeclarationSQL()

Obtain DBMS specific SQL code portion needed to set the FOREIGN KEY constraint of a column declaration to be used in statements like CREATE TABLE.


    public
                    getForeignKeyDeclarationSQL(ForeignKeyConstraint $foreignKey) : string

Parameters

$foreignKey : ForeignKeyConstraint

Return values

string —

DBMS specific SQL code portion needed to set the FOREIGN KEY constraint of a column declaration.

getForeignKeyReferentialActionSQL()

Returns the given referential action in uppercase if valid, otherwise throws an exception.


    public
                    getForeignKeyReferentialActionSQL(string $action) : string

Parameters

$action : string: The foreign key referential action.

Return values

string

getForUpdateSQL()

Returns the FOR UPDATE expression.


    public
                    getForUpdateSQL() : string

Return values

string

getGuidTypeDeclarationSQL()

Returns the SQL snippet to declare a GUID/UUID column.


    public
                    getGuidTypeDeclarationSQL(array<string|int, mixed> $column) : string

By default this maps directly to a CHAR(36) and only maps to more special datatypes when the underlying databases support this datatype.

Parameters

$column : array<string|int, mixed>

Return values

string

getIdentifierQuoteCharacter()

Gets the character used for identifier quoting.


    public
                    getIdentifierQuoteCharacter() : string

Return values

string

getIdentitySequenceName()

Returns the name of the sequence for a particular identity column in a particular table.


    public
                    getIdentitySequenceName(string $tableName, string $columnName) : string

Parameters

$tableName : string: The name of the table to return the sequence name for.
$columnName : string: The name of the identity column in the table to return the sequence name for.

Return values

string

getIndexDeclarationSQL()

Obtains DBMS specific SQL code portion needed to set an index declaration to be used in statements like CREATE TABLE.


    public
                    getIndexDeclarationSQL(string $name, Index $index) : string

Parameters

$name : string: The name of the index.
$index : Index: The index definition.

Return values

string —

DBMS specific SQL code portion needed to set an index.

getIndexFieldDeclarationListSQL()

Obtains DBMS specific SQL code portion needed to set an index declaration to be used in statements like CREATE TABLE.


    public
                    getIndexFieldDeclarationListSQL(Index $index) : string

Parameters

$index : Index

Return values

string

getInlineColumnCommentSQL()

Returns the SQL to create inline comment on a column.


    public
                    getInlineColumnCommentSQL(string $comment) : string

Parameters

$comment : string

Return values

string

getIntegerTypeDeclarationSQL()

Returns the SQL snippet that declares a 4 byte integer column.


    public
    abstract                getIntegerTypeDeclarationSQL(array<string|int, mixed> $column) : string

Parameters

$column : array<string|int, mixed>

Return values

string

getIsNotNullExpression()

Returns the SQL that checks if an expression is not null.


    public
                    getIsNotNullExpression(string $expression) : string

Parameters

$expression : string: The expression that should be compared to null.

Return values

string —

The logical expression.

getIsNullExpression()

Returns the SQL that checks if an expression is null.


    public
                    getIsNullExpression(string $expression) : string

Parameters

$expression : string: The expression that should be compared to null.

Return values

string —

The logical expression.

getJsonTypeDeclarationSQL()

Returns the SQL snippet to declare a JSON column.


    public
                    getJsonTypeDeclarationSQL(array<string|int, mixed> $column) : string

By default this maps directly to a CLOB and only maps to more special datatypes when the underlying databases support this datatype.

Parameters

$column : array<string|int, mixed>

Return values

string

getLengthExpression()

Returns the SQL snippet to get the length of a text column in characters.


    public
                    getLengthExpression(string $column) : string

Parameters

$column : string

Return values

string

getListNamespacesSQL()

Returns the SQL statement for retrieving the namespaces defined in the database.


    public
                    getListNamespacesSQL() : string

Return values

string

getListTableColumnsSQL()


    public
                    getListTableColumnsSQL(string $table[, string $database = null ]) : string

Parameters

$table : string
$database : string = null

Return values

string

getListTableConstraintsSQL()


    public
                    getListTableConstraintsSQL(string $table) : string

Parameters

$table : string

Return values

string

getListTableForeignKeysSQL()


    public
                    getListTableForeignKeysSQL(string $table) : string

Parameters

$table : string

Return values

string

getListTableIndexesSQL()


    public
                    getListTableIndexesSQL(string $table[, string $database = null ]) : string

Parameters

$table : string
$database : string = null

Return values

string

getListTableMetadataSQL()


    public
                    getListTableMetadataSQL(string $table[, string|null $database = null ]) : string

Parameters

$table : string
$database : string|null = null

Return values

string

getListTablesSQL()


    public
                    getListTablesSQL() : string

Return values

string

getListUsersSQL()


    public
                    getListUsersSQL() : string

Return values

string

getLocateExpression()

Returns the SQL snippet to get the position of the first occurrence of substring $substr in string $str.


    public
                    getLocateExpression(string $str, string $substr[, string|int|false $startPos = false ]) : string

Parameters

$str : string: Literal string.
$substr : string: Literal string to find.
$startPos : string|int|false = false: Position to start at, beginning of string by default.

Return values

string

getLowerExpression()

Returns the SQL snippet to change all characters from the expression to lowercase, according to the current character set mapping.


    public
                    getLowerExpression(string $str) : string

Parameters

$str : string: Literal string or column name.

Return values

string

getLtrimExpression()

Returns the SQL snippet to trim leading space characters from the expression.


    public
                    getLtrimExpression(string $str) : string

Parameters

$str : string: Literal string or column name.

Return values

string

getMaxExpression()

Returns the SQL snippet to get the highest value of a column.


    public
                    getMaxExpression(string $column) : string

Parameters

$column : string: The column to use.

Return values

string —

Generated SQL including a MAX aggregate function.

getMaxIdentifierLength()

Maximum length of any given database identifier, like tables or column names.


    public
                    getMaxIdentifierLength() : int

Return values

int

getMd5Expression()

Returns the SQL snippet to get the md5 sum of a column.


    public
                    getMd5Expression(string $column) : string

Note: Not SQL92, but common functionality.

Parameters

$column : string

Return values

string

getMinExpression()

Returns the SQL snippet to get the lowest value of a column.


    public
                    getMinExpression(string $column) : string

Parameters

$column : string: The column to use.

Return values

string —

Generated SQL including a MIN aggregate function.

getModExpression()

Returns the SQL snippet to get the remainder of the division operation $expression1 / $expression2.


    public
                    getModExpression(string $expression1, string $expression2) : string

Parameters

$expression1 : string
$expression2 : string

Return values

string

getName()

Gets the name of the platform.


    public
    abstract                getName() : string

Return values

string

getNotExpression()

Returns the SQL for a logical not.


    public
                    getNotExpression(string $expression) : string

Example: $q = new Doctrine_Query(); $e = $q->expr; $q->select('*')->from('table') ->where($e->eq('id', $e->not('null'));

Parameters

$expression : string

Return values

string —

The logical expression.

getNowExpression()

Returns the SQL snippet to get the current system date.


    public
                    getNowExpression() : string

Return values

string

getPiExpression()

Returns the SQL to get the PI value.


    public
                    getPiExpression() : string

Return values

string

getReadLockSQL()

Returns the SQL snippet to append to any SELECT statement which locks rows in shared read lock.


    public
                    getReadLockSQL() : string

This defaults to the ANSI SQL "FOR UPDATE", which is an exclusive lock (Write). Some database vendors allow to lighten this constraint up to be a real read lock.

Return values

string

getRegexpExpression()

Returns the regular expression operator.


    public
                    getRegexpExpression() : string

Return values

string

getRenameTableSQL()


    public
                    getRenameTableSQL(string $oldName, string $newName) : array<int, string>

Parameters

$oldName : string
$newName : string

Return values

array<int, string>

getReservedKeywordsList()

Returns the keyword list instance of this platform.


    public
        final            getReservedKeywordsList() : KeywordList

Return values

KeywordList

getRoundExpression()

Returns the SQL snippet to round a numeric column to the number of decimals specified.


    public
                    getRoundExpression(string $column[, string|int $decimals = 0 ]) : string

Parameters

$column : string
$decimals : string|int = 0

Return values

string

getRtrimExpression()

Returns the SQL snippet to trim trailing space characters from the expression.


    public
                    getRtrimExpression(string $str) : string

Parameters

$str : string: Literal string or column name.

Return values

string

getSequenceNextValSQL()


    public
                    getSequenceNextValSQL(string $sequence) : string

Parameters

$sequence : string

Return values

string

getSetTransactionIsolationSQL()

Returns the SQL to set the transaction isolation level.


    public
                    getSetTransactionIsolationSQL(int $level) : string

Parameters

$level : int

Return values

string

getSinExpression()

Returns the SQL to get the sine of a value.


    public
                    getSinExpression(string $value) : string

Parameters

$value : string

Return values

string

getSmallIntTypeDeclarationSQL()

Returns the SQL snippet that declares a 2 byte integer column.


    public
    abstract                getSmallIntTypeDeclarationSQL(array<string|int, mixed> $column) : string

Parameters

$column : array<string|int, mixed>

Return values

string

getSqlCommentEndString()

Gets the string portion that ends an SQL comment.


    public
                    getSqlCommentEndString() : string

Return values

string

getSqlCommentStartString()

Gets the string portion that starts an SQL comment.


    public
                    getSqlCommentStartString() : string

Return values

string

getSqrtExpression()

Returns the SQL snippet to get the squared value of a column.


    public
                    getSqrtExpression(string $column) : string

Parameters

$column : string: The column to use.

Return values

string —

Generated SQL including an SQRT aggregate function.

getStringLiteralQuoteCharacter()

Gets the character used for string literal quoting.


    public
                    getStringLiteralQuoteCharacter() : string

Return values

string

getStringTypeDeclarationSQL()

Returns the SQL snippet used to declare a string column type.


    public
                    getStringTypeDeclarationSQL(array<string|int, mixed> $column) : string

Parameters

$column : array<string|int, mixed>

Return values

string

getSubstringExpression()

Returns a SQL snippet to get a substring inside an SQL statement.


    public
                    getSubstringExpression(string $string, string|int $start[, string|int|null $length = null ]) : string

Note: Not SQL92, but common functionality.

SQLite only supports the 2 parameter variant of this function.

Parameters

$string : string: An sql string literal or column name/alias.
$start : string|int: Where to start the substring portion.
$length : string|int|null = null: The substring portion length.

Return values

string

getSumExpression()

Returns the SQL snippet to get the total sum of a column.


    public
                    getSumExpression(string $column) : string

Parameters

$column : string: The column to use.

Return values

string —

Generated SQL including a SUM aggregate function.

getTemporaryTableName()

Some vendors require temporary table names to be qualified specially.


    public
                    getTemporaryTableName(string $tableName) : string

Parameters

$tableName : string

Return values

string

getTemporaryTableSQL()

Returns the required SQL string that fits between CREATE ... TABLE to create the table as a temporary table.


    public
                    getTemporaryTableSQL() : string

Should be overridden in driver classes to return the correct string for the specific database type.

The default is to return the string "TEMPORARY" - this will result in a SQL error for any database that does not support temporary tables, or that requires a different SQL command from "CREATE TEMPORARY TABLE".

Return values

string —

The string required to be placed between "CREATE" and "TABLE" to generate a temporary table, if possible.

getTimeFormatString()

Gets the format string, as accepted by the date() function, that describes the format of a stored time value of this platform.


    public
                    getTimeFormatString() : string

Return values

string —

The format string.

getTimeTypeDeclarationSQL()

Obtains DBMS specific SQL to be used to create time columns in statements like CREATE TABLE.


    public
                    getTimeTypeDeclarationSQL(array<string|int, mixed> $column) : string

Parameters

$column : array<string|int, mixed>

Return values

string

getTrimExpression()

Returns the SQL snippet to trim a string.


    public
                    getTrimExpression(string $str[, int $mode = TrimMode::UNSPECIFIED ][, string|bool $char = false ]) : string

Parameters

$str : string: The expression to apply the trim to.
$mode : int = TrimMode::UNSPECIFIED: The position of the trim (leading/trailing/both).
$char : string|bool = false: The char to trim, has to be quoted already. Defaults to space.

Return values

string

getTruncateTableSQL()

Generates a Truncate Table SQL statement for a given table.


    public
                    getTruncateTableSQL(string $tableName[, bool $cascade = false ]) : string

Cascade is not supported on many platforms but would optionally cascade the truncate by following the foreign keys.

Parameters

$tableName : string
$cascade : bool = false

Return values

string

getUniqueConstraintDeclarationSQL()

Obtains DBMS specific SQL code portion needed to set a unique constraint declaration to be used in statements like CREATE TABLE.


    public
                    getUniqueConstraintDeclarationSQL(string $name, UniqueConstraint $constraint) : string

Parameters

$name : string: The name of the unique constraint.
$constraint : UniqueConstraint: The unique constraint definition.

Return values

string —

DBMS specific SQL code portion needed to set a constraint.

getUniqueFieldDeclarationSQL()

Obtains DBMS specific SQL code portion needed to set the UNIQUE constraint of a column declaration to be used in statements like CREATE TABLE.


    public
                    getUniqueFieldDeclarationSQL() : string

Return values

string —

DBMS specific SQL code portion needed to set the UNIQUE constraint of a column declaration.

getUpperExpression()

Returns the SQL snippet to change all characters from the expression to uppercase, according to the current character set mapping.


    public
                    getUpperExpression(string $str) : string

Parameters

$str : string: Literal string or column name.

Return values

string

getVarcharDefaultLength()

Gets the default length of a varchar column.


    public
                    getVarcharDefaultLength() : int

Return values

int

getVarcharMaxLength()

Gets the maximum length of a varchar column.


    public
                    getVarcharMaxLength() : int

Return values

int

getVarcharTypeDeclarationSQL()

Returns the SQL snippet used to declare a VARCHAR column type.


    public
                    getVarcharTypeDeclarationSQL(array<string|int, mixed> $column) : string

Parameters

$column : array<string|int, mixed>

Return values

string

getWildcards()

Gets all SQL wildcard characters of the platform.


    public
                    getWildcards() : array<string|int, string>

Return values

array<string|int, string>

getWriteLockSQL()

Returns the SQL snippet to append to any SELECT statement which obtains an exclusive lock on the rows.


    public
                    getWriteLockSQL() : string

The semantics of this lock mode should equal the SELECT .. FOR UPDATE of the ANSI SQL standard.

Return values

string

hasDoctrineTypeMappingFor()

Checks if a database type is currently supported by this platform.


    public
                    hasDoctrineTypeMappingFor(string $dbType) : bool

Parameters

$dbType : string

Return values

bool

hasNativeGuidType()

Does this platform have native guid type.


    public
                    hasNativeGuidType() : bool

Return values

bool

hasNativeJsonType()

Does this platform have native JSON type.


    public
                    hasNativeJsonType() : bool

Return values

bool

isCommentedDoctrineType()

Is it necessary for the platform to add a parsable type comment to allow reverse engineering the given type?


    public
                    isCommentedDoctrineType(Type $doctrineType) : bool

Parameters

$doctrineType : Type

Return values

bool

markDoctrineTypeCommented()

Marks this type as to be commented in ALTER TABLE and CREATE TABLE statements.


    public
                    markDoctrineTypeCommented(string|Type $doctrineType) : void

Parameters

$doctrineType : string|Type

modifyLimitQuery()

Adds an driver-specific LIMIT clause to the query.


    public
        final            modifyLimitQuery(string $query, int|null $limit[, int $offset = 0 ]) : string

Parameters

$query : string
$limit : int|null
$offset : int = 0

Return values

string

prefersIdentityColumns()

Whether the platform prefers identity columns (eg. autoincrement) for ID generation.


    public
                    prefersIdentityColumns() : bool

Subclasses should override this method to return TRUE if they prefer identity columns.

Return values

bool

quoteIdentifier()

Quotes a string so that it can be safely used as a table or column name, even if it is a reserved word of the platform. This also detects identifier chains separated by dot and quotes them independently.


    public
                    quoteIdentifier(string $str) : string

NOTE: Just because you CAN use quoted identifiers doesn't mean you SHOULD use them. In general, they end up causing way more problems than they solve.

Parameters

$str : string: The identifier name to be quoted.

Return values

string —

The quoted identifier string.

quoteSingleIdentifier()

Quotes a single identifier (no dot chain separation).


    public
                    quoteSingleIdentifier(string $str) : string

Parameters

$str : string: The identifier name to be quoted.

Return values

string —

The quoted identifier string.

quoteStringLiteral()

Quotes a literal string.


    public
                    quoteStringLiteral(string $str) : string

This method is NOT meant to fix SQL injections! It is only meant to escape this platform's string literal quote character inside the given literal string.

Parameters

$str : string: The literal string to be quoted.

Return values

string —

The quoted literal string.

registerDoctrineTypeMapping()

Registers a doctrine type to be used in conjunction with a column type of this platform.


    public
                    registerDoctrineTypeMapping(string $dbType, string $doctrineType) : void

Parameters

$dbType : string
$doctrineType : string

releaseSavePoint()

Returns the SQL to release a savepoint.


    public
                    releaseSavePoint(string $savepoint) : string

Parameters

$savepoint : string

Return values

string

rollbackSavePoint()

Returns the SQL to rollback a savepoint.


    public
                    rollbackSavePoint(string $savepoint) : string

Parameters

$savepoint : string

Return values

string

setEventManager()

Sets the EventManager used by the Platform.


    public
                    setEventManager(EventManager $eventManager) : void

Parameters

$eventManager : EventManager

supportsAlterTable()

Whether the platform supports altering tables.


    public
                    supportsAlterTable() : bool

Return values

bool

supportsColumnCollation()

Does this platform support column collation?


    public
                    supportsColumnCollation() : bool

Return values

bool

supportsColumnLengthIndexes()

Whether the platform supports indexes with column length definitions.


    public
                    supportsColumnLengthIndexes() : bool

Return values

bool

supportsCommentOnStatement()

Whether this platform support the proprietary syntax "COMMENT ON asset".


    public
                    supportsCommentOnStatement() : bool

Return values

bool

supportsCreateDropDatabase()

Whether this platform supports create database.


    public
                    supportsCreateDropDatabase() : bool


    public
                    supportsIdentityColumns() : bool


    public
                    usesSequenceEmulatedIdentityColumns() : bool

Some platforms that do not support identity columns natively but support sequences can emulate identity columns by using sequences.

Return values

bool

_getCommonIntegerTypeDeclarationSQL()

Returns the SQL snippet that declares common properties of an integer column.


    protected
    abstract                _getCommonIntegerTypeDeclarationSQL(array<string|int, mixed> $column) : string

Parameters

$column : array<string|int, mixed>

Return values

string

_getCreateTableSQL()

Returns the SQL used to create a table.


    protected
                    _getCreateTableSQL(string $name, array<string|int, array<string|int, mixed>> $columns[, array<string|int, mixed> $options = [] ]) : array<string|int, string>

Parameters

$name : string
$columns : array<string|int, array<string|int, mixed>>
$options : array<string|int, mixed> = []

Return values

array<string|int, string>

_getTransactionIsolationLevelSQL()

Returns the SQL for a given transaction isolation level Connection constant.


    protected
                    _getTransactionIsolationLevelSQL(int $level) : string

Parameters

$level : int

Return values

string

createReservedKeywordsList()

Creates an instance of the reserved keyword list of this platform.


    protected
                    createReservedKeywordsList() : KeywordList

This method will become @abstract in DBAL 4.0.0.

Return values

KeywordList

doModifyLimitQuery()

Adds an platform-specific LIMIT clause to the query.


    protected
                    doModifyLimitQuery(string $query, int|null $limit, int $offset) : string

Parameters

$query : string
$limit : int|null
$offset : int

Return values

string

getBinaryTypeDeclarationSQLSnippet()

Returns the SQL snippet used to declare a BINARY/VARBINARY column type.


    protected
                    getBinaryTypeDeclarationSQLSnippet(int|false $length, bool $fixed) : string

Parameters

$length : int|false: The length of the column.
$fixed : bool: Whether the column length is fixed.

Return values

string

getColumnComment()

Gets the comment of a passed column modified by potential doctrine type comment hints.


    protected
                    getColumnComment(Column $column) : string|null

Parameters

$column : Column

Return values

string|null

getCommentOnTableSQL()


    protected
                    getCommentOnTableSQL(string $tableName, string|null $comment) : string

Parameters

$tableName : string
$comment : string|null

Return values

string

getCreateIndexSQLFlags()

Adds additional flags for index generation.


    protected
                    getCreateIndexSQLFlags(Index $index) : string

Parameters

$index : Index

Return values

string

getDateArithmeticIntervalExpression()

Returns the SQL for a date arithmetic expression.


    protected
                    getDateArithmeticIntervalExpression(string $date, string $operator, int|numeric-string $interval, string $unit) : string

Parameters

$date : string: The column or literal representing a date to perform the arithmetic operation on.
$operator : string: The arithmetic operator (+ or -).
$interval : int|numeric-string: The interval that shall be calculated into the date.
$unit : string: The unit of the interval that shall be calculated into the date. One of the DateIntervalUnit constants.

Return values

string

getDropPrimaryKeySQL()


    protected
                    getDropPrimaryKeySQL(string $table) : string

Parameters

$table : string

Return values

string

getLikeWildcardCharacters()


    protected
                    getLikeWildcardCharacters() : string

Return values

string

getPartialIndexSQL()

Adds condition for partial index.


    protected
                    getPartialIndexSQL(Index $index) : string

Parameters

$index : Index

Return values

string

getPostAlterTableIndexForeignKeySQL()


    protected
                    getPostAlterTableIndexForeignKeySQL(TableDiff $diff) : array<string|int, string>

Parameters

$diff : TableDiff

Return values

array<string|int, string>

getPostAlterTableRenameIndexForeignKeySQL()


    protected
                    getPostAlterTableRenameIndexForeignKeySQL(TableDiff $diff) : array<string|int, string>

Parameters

$diff : TableDiff: The table diff to gather the SQL for.

Return values

array<string|int, string>

getPreAlterTableIndexForeignKeySQL()


    protected
                    getPreAlterTableIndexForeignKeySQL(TableDiff $diff) : array<string|int, string>

Parameters

$diff : TableDiff

Return values

array<string|int, string>

getPreAlterTableRenameIndexForeignKeySQL()


    protected
                    getPreAlterTableRenameIndexForeignKeySQL(TableDiff $diff) : array<string|int, string>

Parameters

$diff : TableDiff: The table diff to gather the SQL for.

Return values

array<string|int, string>

getRenameIndexSQL()

Returns the SQL for renaming an index on a table.


    protected
                    getRenameIndexSQL(string $oldIndexName, Index $index, string $tableName) : array<string|int, string>

Parameters

$oldIndexName : string: The name of the index to rename from.
$index : Index: The definition of the index to rename to.
$tableName : string: The table to rename the given index on.

Return values

array<string|int, string> —

The sequence of SQL statements for renaming the given index.

getReservedKeywordsClass()

Returns the class name of the reserved keywords list.


    protected
                    getReservedKeywordsClass() : string

Return values

string

getVarcharTypeDeclarationSQLSnippet()


    protected
                    getVarcharTypeDeclarationSQLSnippet(int|false $length, bool $fixed) : string

Parameters

$length : int|false
$fixed : bool

Return values

string

initializeCommentedDoctrineTypes()

Initializes the Doctrine Type comments instance variable for in_array() checks.


    protected
                    initializeCommentedDoctrineTypes() : void

initializeDoctrineTypeMappings()

Lazy load Doctrine Type Mappings.


    protected
    abstract                initializeDoctrineTypeMappings() : void

onSchemaAlterTable()


    protected
                    onSchemaAlterTable(TableDiff $diff, array<string|int, string> &$sql) : bool

Parameters

$diff : TableDiff
$sql : array<string|int, string>

Return values

bool

onSchemaAlterTableAddColumn()


    protected
                    onSchemaAlterTableAddColumn(Column $column, TableDiff $diff, array<string|int, mixed> &$columnSql) : bool

Parameters

$column : Column
$diff : TableDiff
$columnSql : array<string|int, mixed>

Return values

bool

onSchemaAlterTableChangeColumn()


    protected
                    onSchemaAlterTableChangeColumn(ColumnDiff $columnDiff, TableDiff $diff, array<string|int, string> &$columnSql) : bool

Parameters

$columnDiff : ColumnDiff
$diff : TableDiff
$columnSql : array<string|int, string>

Return values

bool

onSchemaAlterTableRemoveColumn()


    protected
                    onSchemaAlterTableRemoveColumn(Column $column, TableDiff $diff, array<string|int, string> &$columnSql) : bool

Parameters

$column : Column
$diff : TableDiff
$columnSql : array<string|int, string>

Return values

bool

onSchemaAlterTableRenameColumn()


    protected
                    onSchemaAlterTableRenameColumn(string $oldColumnName, Column $column, TableDiff $diff, array<string|int, string> &$columnSql) : bool

Parameters

$oldColumnName : string
$column : Column
$diff : TableDiff
$columnSql : array<string|int, string>

Return values

bool

buildCreateTableSQL()


    private
                    buildCreateTableSQL(Table $table, bool $createIndexes, bool $createForeignKeys) : array<int, string>

Parameters

$table : Table
$createIndexes : bool
$createForeignKeys : bool

Return values

array<int, string>

buildPartitionOptions()

Build SQL for partition options.


    private
                    buildPartitionOptions(array<string|int, mixed> $options) : string

Parameters

$options : array<string|int, mixed>

Return values

string

buildTableOptions()

Build SQL for table options


    private
                    buildTableOptions(array<string|int, mixed> $options) : string

Parameters

$options : array<string|int, mixed>

Return values

string

columnToArray()


    private
                    columnToArray(Column $column) : array<string, mixed>

Parameters

$column : Column

Return values

array<string, mixed> —

An associative array with the name of the properties of the column being declared as array indexes.

engineSupportsForeignKeys()


    private
                    engineSupportsForeignKeys(string $engine) : bool

Parameters

$engine : string

Return values

bool

getDatabaseNameSQL()


    private
                    getDatabaseNameSQL(string|null $databaseName) : string

Parameters

$databaseName : string|null

Return values

string

getPreAlterTableAlterIndexForeignKeySQL()


    private
                    getPreAlterTableAlterIndexForeignKeySQL(TableDiff $diff) : array<string|int, string>

Parameters

$diff : TableDiff: The table diff to gather the SQL for.

Return values

array<string|int, string>

getPreAlterTableAlterPrimaryKeySQL()


    private
                    getPreAlterTableAlterPrimaryKeySQL(TableDiff $diff, Index $index) : array<string|int, string>

Parameters

$diff : TableDiff
$index : Index

Return values

array<string|int, string>

getRemainingForeignKeyConstraintsRequiringRenamedIndexes()

Returns the remaining foreign key constraints that require one of the renamed indexes.


    private
                    getRemainingForeignKeyConstraintsRequiringRenamedIndexes(TableDiff $diff) : array<string|int, ForeignKeyConstraint>

"Remaining" here refers to the diff between the foreign keys currently defined in the associated table and the foreign keys to be removed.

Parameters

$diff : TableDiff: The table diff to evaluate.

Return values

array<string|int, ForeignKeyConstraint>

getUnsignedDeclaration()

Get unsigned declaration for a column.


    private
                    getUnsignedDeclaration(array<string|int, mixed> $columnDef) : string

Parameters

$columnDef : array<string|int, mixed>

Return values

string

indexAssetsByLowerCaseName()


    private
                    indexAssetsByLowerCaseName(array<int, T> $assets) : array<string, T>

Parameters

$assets : array<int, T>

Return values

array<string, T>

initializeAllDoctrineTypeMappings()

Initializes Doctrine Type Mappings with the platform defaults and with all additional type mappings.


    private
                    initializeAllDoctrineTypeMappings() : void

MySQLPlatform extends AbstractMySQLPlatform in package Application

Table of Contents

Constants

Properties

Methods

Constants

CREATE_FOREIGNKEYS

CREATE_INDEXES

LENGTH_LIMIT_BLOB

LENGTH_LIMIT_MEDIUMBLOB

LENGTH_LIMIT_MEDIUMTEXT

LENGTH_LIMIT_TEXT

LENGTH_LIMIT_TINYBLOB

LENGTH_LIMIT_TINYTEXT

Properties

$_eventManager

Tags

$_keywords

$doctrineTypeComments

Tags

$doctrineTypeMapping

Methods

appendLockHint()

Parameters

Tags

Return values

canEmulateSchemas()

Tags

Return values

columnsEqual()

Parameters

Tags

Return values

convertBooleans()

Parameters

Return values

convertBooleansToDatabaseValue()

Parameters

Return values

convertFromBoolean()

Parameters

Tags

createSavePoint()

Parameters

Return values

createSchemaManager()

Parameters

Tags

Return values

escapeStringForLike()

Parameters

Return values

getAcosExpression()

Parameters

Tags

Return values

getAdvancedForeignKeyOptionsSQL()

Parameters

Return values

getAlterSchemaSQL()

Parameters

Return values

getAlterSequenceSQL()

Parameters

Tags

Return values

getAlterTableSQL()

Parameters

Tags

Return values

getAsciiStringTypeDeclarationSQL()

Parameters

Return values

getAvgExpression()

Parameters

Tags

Return values

getBetweenExpression()

Parameters

Tags

MySQLPlatform extends AbstractMySQLPlatform
in package

Application