org.hibernate.dialect

Class MySQL8Dialect

java.lang.Object

org.hibernate.dialect.Dialect

org.hibernate.dialect.MySQLDialect

org.hibernate.dialect.MySQL5Dialect

org.hibernate.dialect.MySQL55Dialect

org.hibernate.dialect.MySQL57Dialect

org.hibernate.dialect.MySQL8Dialect

All Implemented Interfaces:

ConversionContext

public class MySQL8Dialect
extends MySQL57Dialect

Field Summary

Fields inherited from class org.hibernate.dialect.Dialect

CLOSED_QUOTE, DEFAULT_BATCH_SIZE, LEGACY_LOB_MERGE_STRATEGY, NEW_LOCATOR_LOB_MERGE_STRATEGY, NO_BATCH, QUOTE, STANDARD_DEFAULT_BATCH_LOAD_SIZING_STRATEGY, STREAM_XFER_LOB_MERGE_STRATEGY

Constructor Summary

Constructors

Constructor and Description
MySQL8Dialect()

Method Summary

Modifier and Type	Method and Description
String	getForUpdateNowaitString() Retrieves the <tt>FOR UPDATE NOWAIT</tt> syntax specific to this dialect.
String	getForUpdateNowaitString(String aliases) Get the <tt>FOR UPDATE OF column_list NOWAIT</tt> fragment appropriate for this dialect given the aliases of the columns to be write locked.
String	getForUpdateSkipLockedString() Retrieves the <tt>FOR UPDATE SKIP LOCKED</tt> syntax specific to this dialect.
String	getForUpdateSkipLockedString(String aliases) Get the <tt>FOR UPDATE OF column_list SKIP LOCKED</tt> fragment appropriate for this dialect given the aliases of the columns to be write locked.
String	getForUpdateString(String aliases) Get the <tt>FOR UPDATE OF column_list</tt> fragment appropriate for this dialect given the aliases of the columns to be write locked.
String	getReadLockString(int timeout) Get the string to append to SELECT statements to acquire READ locks for this dialect.
String	getReadLockString(String aliases, int timeout) Get the string to append to SELECT statements to acquire READ locks for this dialect given the aliases of the columns to be read locked.
String	getWriteLockString(int timeout) Get the string to append to SELECT statements to acquire WRITE locks for this dialect.
String	getWriteLockString(String aliases, int timeout) Get the string to append to SELECT statements to acquire WRITE locks for this dialect given the aliases of the columns to be write locked.
boolean	supportsNoWait() Does this dialect/database support NO_WAIT timeout.
boolean	supportsSkipLocked() Does this dialect/database support SKIP_LOCKED timeout.

Methods inherited from class org.hibernate.dialect.MySQL57Dialect

supportsRowValueConstructorSyntaxInInList

Methods inherited from class org.hibernate.dialect.MySQL55Dialect

getDefaultMySQLStorageEngine

Methods inherited from class org.hibernate.dialect.MySQL5Dialect

getEngineKeyword, getQueryHintString, getViolatedConstraintNameExtracter, registerVarcharTypes, supportsColumnCheck

Methods inherited from class org.hibernate.dialect.MySQLDialect

areStringComparisonsCaseInsensitive, buildSQLExceptionConversionDelegate, canCreateCatalog, canCreateSchema, closeQuote, dropConstraints, escapeLiteral, fixedPointNumberCastTarget, floatingPointNumberCastTarget, getAddColumnString, getAddForeignKeyConstraintString, getCastTypeName, getColumnComment, getCreateCatalogCommand, getCreateSchemaCommand, getCurrentTimestampSelectString, getDefaultMultiTableBulkIdStrategy, getDropCatalogCommand, getDropForeignKeyString, getDropSchemaCommand, getForUpdateString, getIdentityColumnSupport, getLimitHandler, getLimitString, getNotExpression, getResultSet, getSelectGUIDString, getTableComment, getTableTypeString, getUniqueDelegate, hasSelfReferentialForeignKeyBug, isCurrentTimestampSelectStringCallable, isJdbcLogWarningsEnabledByDefault, openQuote, qualifyIndexName, registerResultSetOutParameter, renderOrderByElement, smallIntegerCastTarget, supportsCascadeDelete, supportsCurrentTimestampSelection, supportsEmptyInList, supportsIfExistsBeforeTableName, supportsLimit, supportsLobValueChangePropogation, supportsLockTimeouts, supportsRowValueConstructorSyntax, supportsSubqueryOnMutatingTable

Methods inherited from class org.hibernate.dialect.Dialect

addSqlHintOrComment, appendLockHint, appendLockHint, applyLocksToSql, augmentRecognizedTableTypes, bindLimitParametersFirst, bindLimitParametersInReverseOrder, buildIdentifierHelper, buildSQLExceptionConverter, cast, cast, cast, contributeTypes, convertToFirstRowValue, createCaseFragment, createOuterJoinFragment, defaultScrollMode, doesReadCommittedCauseWritersToBlockReaders, doesRepeatableReadCauseReadersToBlockWriters, forceLimitUsage, forceLobAsLastValue, forUpdateOfColumns, getAddColumnSuffixString, getAddForeignKeyConstraintString, getAddPrimaryKeyConstraintString, getAddUniqueConstraintString, getAlterTableString, getAuxiliaryDatabaseObjectExporter, getCallableStatementSupport, getCascadeConstraintsString, getCaseInsensitiveLike, getColumnAliasExtractor, getCreateMultisetTableString, getCreateSequenceString, getCreateSequenceString, getCreateSequenceStrings, getCreateSequenceStrings, getCreateTableString, getCrossJoinSeparator, getCurrentSchemaCommand, getCurrentTimestampSQLFunctionName, getDefaultBatchLoadSizingStrategy, getDefaultProperties, getDialect, getDialect, getDropSequenceString, getDropSequenceStrings, getDropTableString, getForeignKeyExporter, getForUpdateString, getForUpdateString, getForUpdateString, getFunctions, getHibernateTypeName, getHibernateTypeName, getIndexExporter, getInExpressionCountLimit, getKeywords, getLimitString, getLobMergeStrategy, getLockingStrategy, getLowercaseFunction, getMaxAliasLength, getNameQualifierSupport, getNativeIdentifierGeneratorClass, getNativeIdentifierGeneratorStrategy, getNoColumnsInsertString, getNullColumnString, getQueryHintString, getQuerySequencesString, getResultSet, getResultSet, getSchemaNameResolver, getSelectClauseNullString, getSelectSequenceNextValString, getSequenceExporter, getSequenceInformationExtractor, getSequenceNextValString, getSqlTypeDescriptorOverride, getTableExporter, getTypeName, getTypeName, getUniqueKeyExporter, hasAlterTable, inlineLiteral, isLegacyLimitHandlerBehaviorEnabled, isLockTimeoutParameterized, isTypeNameRegistered, prependComment, quote, registerColumnType, registerColumnType, registerFunction, registerHibernateType, registerHibernateType, registerKeyword, registerResultSetOutParameter, remapSqlTypeDescriptor, replaceResultVariableInOrderByClauseWithPosition, requiresCastingOfParametersInSelectClause, requiresParensForTupleDistinctCounts, supportsBindAsCallableArgument, supportsCaseInsensitiveLike, supportsCircularCascadeDeleteConstraints, supportsCommentOn, supportsExistsInSelect, supportsExpectedLobUsagePattern, supportsIfExistsAfterAlterTable, supportsIfExistsAfterConstraintName, supportsIfExistsAfterTableName, supportsIfExistsBeforeConstraintName, supportsLimitOffset, supportsNamedParameters, supportsNationalizedTypes, supportsNonQueryWithCTE, supportsNotNullUnique, supportsOuterJoinForUpdate, supportsParametersInInsertSelect, supportsPartitionBy, supportsPooledSequences, supportsResultSetPositionQueryMethodsOnForwardOnlyCursor, supportsSequences, supportsSubselectAsInPredicateLHS, supportsTableCheck, supportsTupleCounts, supportsTupleDistinctCounts, supportsTuplesInSubqueries, supportsUnboundedLobLocatorMaterialization, supportsUnionAll, supportsUnique, supportsUniqueConstraintInCreateAlterTable, supportsValuesList, supportsVariableLimit, toBooleanValueString, toString, transformSelectString, useFollowOnLocking, useFollowOnLocking, useInputStreamToInsertBlob, useMaxForLimit

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

MySQL8Dialect

public MySQL8Dialect()

Method Detail

getWriteLockString

public String getWriteLockString(int timeout)

Description copied from class: Dialect

Get the string to append to SELECT statements to acquire WRITE locks for this dialect. Location of the of the returned string is treated the same as getForUpdateString.

Overrides:

getWriteLockString in class MySQLDialect

Parameters:

timeout - in milliseconds, -1 for indefinite wait and 0 for no wait.

Returns:

The appropriate <tt>LOCK</tt> clause string.

getWriteLockString

public String getWriteLockString(String aliases,
                                 int timeout)

Description copied from class: Dialect

Get the string to append to SELECT statements to acquire WRITE locks for this dialect given the aliases of the columns to be write locked. Location of the of the returned string is treated the same as getForUpdateString.

Overrides:

getWriteLockString in class Dialect

Parameters:

aliases - The columns to be read locked.

timeout - in milliseconds, -1 for indefinite wait and 0 for no wait.

Returns:

The appropriate <tt>LOCK</tt> clause string.

getReadLockString

public String getReadLockString(int timeout)

Description copied from class: Dialect

Get the string to append to SELECT statements to acquire READ locks for this dialect. Location of the of the returned string is treated the same as getForUpdateString.

Overrides:

getReadLockString in class MySQLDialect

Parameters:

timeout - in milliseconds, -1 for indefinite wait and 0 for no wait.

Returns:

The appropriate <tt>LOCK</tt> clause string.

getReadLockString

public String getReadLockString(String aliases,
                                int timeout)

Description copied from class: Dialect

Get the string to append to SELECT statements to acquire READ locks for this dialect given the aliases of the columns to be read locked. Location of the of the returned string is treated the same as getForUpdateString.

Overrides:

getReadLockString in class Dialect

Parameters:

aliases - The columns to be read locked.

timeout - in milliseconds, -1 for indefinite wait and 0 for no wait.

Returns:

The appropriate <tt>LOCK</tt> clause string.

getForUpdateSkipLockedString

public String getForUpdateSkipLockedString()

Description copied from class: Dialect

Retrieves the <tt>FOR UPDATE SKIP LOCKED</tt> syntax specific to this dialect.

Overrides:

getForUpdateSkipLockedString in class Dialect

Returns:

The appropriate <tt>FOR UPDATE SKIP LOCKED</tt> clause string.

getForUpdateSkipLockedString

public String getForUpdateSkipLockedString(String aliases)

Description copied from class: Dialect

Get the <tt>FOR UPDATE OF column_list SKIP LOCKED</tt> fragment appropriate for this dialect given the aliases of the columns to be write locked.

Overrides:

getForUpdateSkipLockedString in class Dialect

Parameters:

aliases - The columns to be write locked.

Returns:

The appropriate <tt>FOR UPDATE colunm_list SKIP LOCKED</tt> clause string.

getForUpdateNowaitString

public String getForUpdateNowaitString()

Description copied from class: Dialect

Retrieves the <tt>FOR UPDATE NOWAIT</tt> syntax specific to this dialect.

Overrides:

getForUpdateNowaitString in class Dialect

Returns:

The appropriate <tt>FOR UPDATE NOWAIT</tt> clause string.

getForUpdateNowaitString

public String getForUpdateNowaitString(String aliases)

Description copied from class: Dialect

Get the <tt>FOR UPDATE OF column_list NOWAIT</tt> fragment appropriate for this dialect given the aliases of the columns to be write locked.

Overrides:

getForUpdateNowaitString in class Dialect

Parameters:

aliases - The columns to be write locked.

Returns:

The appropriate <tt>FOR UPDATE OF colunm_list NOWAIT</tt> clause string.

getForUpdateString

public String getForUpdateString(String aliases)

Description copied from class: Dialect

Get the <tt>FOR UPDATE OF column_list</tt> fragment appropriate for this dialect given the aliases of the columns to be write locked.

Overrides:

getForUpdateString in class Dialect

Parameters:

aliases - The columns to be write locked.

Returns:

The appropriate <tt>FOR UPDATE OF column_list</tt> clause string.

supportsSkipLocked

public boolean supportsSkipLocked()

Description copied from class: Dialect

Does this dialect/database support SKIP_LOCKED timeout.

Overrides:

supportsSkipLocked in class Dialect

Returns:

true if SKIP_LOCKED is supported

supportsNoWait

public boolean supportsNoWait()

Description copied from class: Dialect

Does this dialect/database support NO_WAIT timeout.

Overrides:

supportsNoWait in class Dialect

Returns:

true if NO_WAIT is supported