Package org.hibernate.dialect

Class TiDBDialect

java.lang.Object

org.hibernate.dialect.Dialect

org.hibernate.dialect.MySQLDialect

org.hibernate.dialect.TiDBDialect

All Implemented Interfaces:

ConversionContext

public class TiDBDialect
extends MySQLDialect

An SQL dialect for TiDB (prior to 5.x).

Nested Class Summary

Nested classes/interfaces inherited from class org.hibernate.dialect.Dialect

Dialect.SizeStrategy, Dialect.SizeStrategyImpl

Field Summary

Fields inherited from class org.hibernate.dialect.Dialect

CLOSED_QUOTE, LEGACY_LOB_MERGE_STRATEGY, NEW_LOCATOR_LOB_MERGE_STRATEGY, QUOTE, STANDARD_DEFAULT_BATCH_LOAD_SIZING_STRATEGY, STREAM_XFER_LOB_MERGE_STRATEGY

Constructor Summary

Constructors

Constructor	Description
TiDBDialect()
TiDBDialect(DatabaseVersion version)
TiDBDialect(DialectResolutionInfo info)

Method Summary

Modifier and Type	Method	Description
String	getForUpdateNowaitString()	Retrieves the FOR UPDATE NOWAIT syntax specific to this dialect.
String	getForUpdateNowaitString(String aliases)	Get the FOR UPDATE OF column_list NOWAIT fragment appropriate for this dialect given the aliases of the columns to be write locked.
DatabaseVersion	getMySQLVersion()
String	getQuerySequencesString()	Get the select command used retrieve the names of all sequences.
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.
SequenceInformationExtractor	getSequenceInformationExtractor()	A source of SequenceInformation.
SequenceSupport	getSequenceSupport()	No support for sequences.
SqlAstTranslatorFactory	getSqlAstTranslatorFactory()	Return an SqlAstTranslatorFactory specific for the Dialect.
String	getWriteLockString(int timeout)	Get the string to append to SELECT statements to acquire WRITE locks for this dialect.
boolean	supportsCascadeDelete()	Does this dialect support cascaded delete on foreign key definitions?
boolean	supportsNoWait()	Does this dialect/database support NO_WAIT timeout.
boolean	supportsWait()	Does this dialect/database support WAIT timeout.

Methods inherited from class org.hibernate.dialect.MySQLDialect

appendDatetimeFormat, appendLiteral, beforeRegisteringColumnTypes, beforeRegisteringColumnTypes, buildIdentifierHelper, buildSQLExceptionConversionDelegate, canCreateCatalog, canCreateSchema, castPattern, closeQuote, columnType, contributeTypes, currentTimestamp, datetimeFormat, dropConstraints, extractPattern, getAddForeignKeyConstraintString, getCastTypeName, getCharacterSetBytesPerCharacter, getColumnComment, getCreateCatalogCommand, getCreateSchemaCommand, getCurrentTimestampSelectString, getDefaultLobLength, getDefaultMySQLStorageEngine, getDropCatalogCommand, getDropForeignKeyString, getDropSchemaCommand, getFallbackSqmInsertStrategy, getFallbackSqmMutationStrategy, getFloatPrecision, getForUpdateSkipLockedString, getForUpdateSkipLockedString, getForUpdateString, getFractionalSecondPrecisionInNanos, getGroupBySelectItemReferenceStrategy, getIdentityColumnSupport, getLimitHandler, getMaxAliasLength, getMaxIdentifierLength, getMaxVarbinaryLength, getMaxVarcharLength, getNameQualifierSupport, getNullColumnString, getNullOrdering, getPreferredSqlTypeCodeForBoolean, getQueryHintString, getResultSet, getSelectGUIDString, getSizeStrategy, getSupportedJdbcTypeCodes, getSupportedTemporaryTableKind, getTableComment, getTableTypeString, getTemporaryTableAfterUseAction, getTemporaryTableBeforeUseAction, getTemporaryTableCreateCommand, getTemporaryTableDropCommand, getUniqueDelegate, getViolatedConstraintNameExtractor, getWriteLockString, getWriteRowLockStrategy, hasSelfReferentialForeignKeyBug, initDefaultProperties, initializeFunctionRegistry, isCurrentTimestampSelectStringCallable, isJdbcLogWarningsEnabledByDefault, openQuote, qualifyIndexName, registerDefaultColumnTypes, registerResultSetOutParameter, resolveSqlTypeDescriptor, supportsColumnCheck, supportsCurrentTimestampSelection, supportsIfExistsBeforeTableName, supportsLateral, supportsLobValueChangePropagation, supportsLockTimeouts, supportsNullPrecedence, supportsOffsetInSubquery, supportsSkipLocked, supportsSubqueryOnMutatingTable, supportsUnionAll, supportsWindowFunctions, timestampaddPattern, timestampdiffPattern

Methods inherited from class org.hibernate.dialect.Dialect

addSqlHintOrComment, appendBinaryLiteral, appendBooleanValueString, appendDateTimeLiteral, appendDateTimeLiteral, appendDateTimeLiteral, appendIntervalLiteral, appendLockHint, applyLocksToSql, augmentRecognizedTableTypes, binaryToDecimalPrecision, currentDate, currentLocalTime, currentLocalTimestamp, currentTime, currentTimestampWithTimeZone, defaultScrollMode, doesReadCommittedCauseWritersToBlockReaders, doesRepeatableReadCauseReadersToBlockWriters, equivalentTypes, escapeComment, forceLobAsLastValue, getAddColumnString, getAddColumnSuffixString, getAddForeignKeyConstraintString, getAddPrimaryKeyConstraintString, getAlterTableString, getAuxiliaryDatabaseObjectExporter, getBooleanCheckCondition, getCallableStatementSupport, getCascadeConstraintsString, getCaseInsensitiveLike, getColumnAliasExtractor, getCreateMultisetTableString, getCreateTableString, getCreateTemporaryTableColumnAnnotation, getCurrentSchemaCommand, getDefaultBatchLoadSizingStrategy, getDefaultDecimalPrecision, getDefaultNonContextualLobCreation, getDefaultProperties, getDefaultStatementBatchSize, getDefaultTimestampPrecision, getDefaultUseGetGeneratedKeys, getDefaultUseStreamsForBinary, getDoublePrecision, getDropTableString, getEnumCheckCondition, getForeignKeyExporter, getForUpdateString, getForUpdateString, getForUpdateString, getForUpdateString, getHibernateTypeName, getHibernateTypeName, getHqlTranslator, getIndexExporter, getInExpressionCountLimit, getKeywords, getLobMergeStrategy, getLockingStrategy, getLockRowIdentifier, getLowercaseFunction, getMaxNVarcharLength, getNationalizationSupport, getNativeIdentifierGeneratorStrategy, getNoColumnsInsertString, getNullColumnString, getQueryHintString, getRawTypeName, getRawTypeName, getReadRowLockStrategy, getResultSet, getResultSet, getSchemaNameResolver, getSelectClauseNullString, getSequenceExporter, getSqmTranslatorFactory, getTableExporter, getTemporaryTableCreateOptions, getTemporaryTableDdlTransactionHandling, getTemporaryTableExporter, getTemporaryTableTruncateCommand, getTimeZoneSupport, getTypeName, getTypeName, getTypeName, getTypeName, getUniqueKeyExporter, getVersion, hasAlterTable, inlineLiteral, isAnsiNullOn, isEmptyStringTreatedAsNull, isLockTimeoutParameterized, isTypeNameRegistered, prependComment, quote, registerColumnType, registerColumnType, registerDefaultColumnTypes, registerDefaultKeywords, registerHibernateType, registerHibernateType, registerHibernateTypes, registerKeyword, registerKeywords, registerResultSetOutParameter, requiresFloatCastingOfIntegerDivision, requiresParensForTupleCounts, requiresParensForTupleDistinctCounts, resolveSqlTypeLength, supportsBindAsCallableArgument, supportsBitType, supportsCaseInsensitiveLike, supportsCircularCascadeDeleteConstraints, supportsCommentOn, supportsExistsInSelect, supportsExpectedLobUsagePattern, supportsFetchClause, supportsFractionalTimestampArithmetic, supportsIfExistsAfterAlterTable, supportsIfExistsAfterConstraintName, supportsIfExistsAfterTableName, supportsIfExistsBeforeConstraintName, supportsJdbcConnectionLobCreation, supportsNamedParameters, supportsNoColumnsInsert, supportsNonQueryWithCTE, supportsOrderByInSubquery, supportsOrdinalSelectItemReference, supportsOuterJoinForUpdate, supportsParametersInInsertSelect, supportsPartitionBy, supportsResultSetPositionQueryMethodsOnForwardOnlyCursor, supportsSubqueryInSelect, supportsSubselectAsInPredicateLHS, supportsTableCheck, supportsTemporalLiteralOffset, supportsTemporaryTablePrimaryKey, supportsTemporaryTables, supportsTruncateWithCast, supportsTupleCounts, supportsTupleDistinctCounts, supportsUnboundedLobLocatorMaterialization, supportsUnionInSubquery, supportsValuesList, supportsValuesListForInsert, toBooleanValueString, toString, transformSelectString, translateDurationField, translateExtractField, trimPattern, useFollowOnLocking, useInputStreamToInsertBlob

Methods inherited from class java.lang.Object

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

Constructor Detail

TiDBDialect

public TiDBDialect()

TiDBDialect

public TiDBDialect(DatabaseVersion version)

TiDBDialect

public TiDBDialect(DialectResolutionInfo info)

Method Detail

getMySQLVersion

public DatabaseVersion getMySQLVersion()

Overrides:

getMySQLVersion in class MySQLDialect

supportsCascadeDelete

public boolean supportsCascadeDelete()

Description copied from class: Dialect

Does this dialect support cascaded delete on foreign key definitions?

Overrides:

supportsCascadeDelete in class MySQLDialect

Returns:

true indicates that the dialect does support cascaded delete on foreign keys.

getQuerySequencesString

public String getQuerySequencesString()

Description copied from class: Dialect

Get the select command used retrieve the names of all sequences.

Overrides:

getQuerySequencesString in class Dialect

Returns:

The select command; or null if sequences are not supported.

getSequenceSupport

public SequenceSupport getSequenceSupport()

Description copied from class: MySQLDialect

No support for sequences.

Overrides:

getSequenceSupport in class MySQLDialect

getSequenceInformationExtractor

public SequenceInformationExtractor getSequenceInformationExtractor()

Description copied from class: Dialect

A source of SequenceInformation.

Overrides:

getSequenceInformationExtractor in class Dialect

getSqlAstTranslatorFactory

public SqlAstTranslatorFactory getSqlAstTranslatorFactory()

Description copied from class: Dialect

Return an SqlAstTranslatorFactory specific for the Dialect. Return null to use Hibernate's standard translator.

Overrides:

getSqlAstTranslatorFactory in class MySQLDialect

See Also:

StandardSqlAstTranslatorFactory, JdbcEnvironment.getSqlAstTranslatorFactory()

supportsNoWait

public boolean supportsNoWait()

Description copied from class: Dialect

Does this dialect/database support NO_WAIT timeout.

Overrides:

supportsNoWait in class MySQLDialect

Returns:

true if NO_WAIT is supported

supportsWait

public boolean supportsWait()

Description copied from class: Dialect

Does this dialect/database support WAIT timeout.

Overrides:

supportsWait in class MySQLDialect

Returns:

true if WAIT is supported

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 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 LOCK 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 returned string is treated the same as getForUpdateString.

Overrides:

getReadLockString in class MySQLDialect

Parameters:

aliases - The columns to be read locked.

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

Returns:

The appropriate LOCK clause string.

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 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 LOCK clause string.

getForUpdateNowaitString

public String getForUpdateNowaitString()

Description copied from class: Dialect

Retrieves the FOR UPDATE NOWAIT syntax specific to this dialect.

Overrides:

getForUpdateNowaitString in class MySQLDialect

Returns:

The appropriate FOR UPDATE NOWAIT clause string.

getForUpdateNowaitString

public String getForUpdateNowaitString(String aliases)

Description copied from class: Dialect

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

Overrides:

getForUpdateNowaitString in class MySQLDialect

Parameters:

aliases - The columns to be write locked.

Returns:

The appropriate FOR UPDATE OF colunm_list NOWAIT clause string.