org.hibernate.dialect

Class PostgreSQL95Dialect

java.lang.Object

org.hibernate.dialect.Dialect

org.hibernate.dialect.PostgreSQL81Dialect

org.hibernate.dialect.PostgreSQL82Dialect

org.hibernate.dialect.PostgreSQL9Dialect

org.hibernate.dialect.PostgreSQL91Dialect

org.hibernate.dialect.PostgreSQL92Dialect

org.hibernate.dialect.PostgreSQL93Dialect

org.hibernate.dialect.PostgreSQL94Dialect

org.hibernate.dialect.PostgreSQL95Dialect

All Implemented Interfaces:

ConversionContext

public class PostgreSQL95Dialect
extends PostgreSQL94Dialect

An SQL dialect for Postgres 9.5 and later. Adds support for SKIP LOCKED.

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
PostgreSQL95Dialect()

Method Summary

Modifier and Type	Method and Description
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	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	supportsSkipLocked() Does this dialect/database support SKIP_LOCKED timeout.

Methods inherited from class org.hibernate.dialect.PostgreSQL93Dialect

augmentRecognizedTableTypes

Methods inherited from class org.hibernate.dialect.PostgreSQL92Dialect

supportsIfExistsAfterAlterTable

Methods inherited from class org.hibernate.dialect.PostgreSQL91Dialect

supportsNonQueryWithCTE, supportsPartitionBy

Methods inherited from class org.hibernate.dialect.PostgreSQL9Dialect

supportsIfExistsBeforeConstraintName

Methods inherited from class org.hibernate.dialect.PostgreSQL82Dialect

contributeTypes, getDefaultMultiTableBulkIdStrategy, getDropSequenceString, supportsIfExistsBeforeTableName, supportsRowValueConstructorSyntaxInInList, supportsValuesList

Methods inherited from class org.hibernate.dialect.PostgreSQL81Dialect

bindLimitParametersInReverseOrder, buildSQLExceptionConversionDelegate, dropConstraints, getAddColumnString, getCallableStatementSupport, getCascadeConstraintsString, getCaseInsensitiveLike, getCreateSequenceString, getCreateSequenceString, getCurrentTimestampSelectString, getForUpdateNowaitString, getForUpdateNowaitString, getForUpdateString, getForUpdateString, getForUpdateString, getIdentityColumnSupport, getLimitHandler, getLimitString, getNativeIdentifierGeneratorStrategy, getNoColumnsInsertString, getQuerySequencesString, getResultSet, getResultSet, getResultSet, getSelectClauseNullString, getSelectSequenceNextValString, getSequenceNextValString, getSqlTypeDescriptorOverride, getViolatedConstraintNameExtracter, isCurrentTimestampSelectStringCallable, qualifyIndexName, registerResultSetOutParameter, requiresParensForTupleDistinctCounts, supportsCaseInsensitiveLike, supportsCommentOn, supportsCurrentTimestampSelection, supportsEmptyInList, supportsExpectedLobUsagePattern, supportsLimit, supportsLobValueChangePropogation, supportsNationalizedTypes, supportsNoWait, supportsOuterJoinForUpdate, supportsPooledSequences, supportsRowValueConstructorSyntax, supportsSequences, supportsUnboundedLobLocatorMaterialization, supportsUnionAll, toBooleanValueString, useInputStreamToInsertBlob

Methods inherited from class org.hibernate.dialect.Dialect

addSqlHintOrComment, appendLockHint, appendLockHint, applyLocksToSql, areStringComparisonsCaseInsensitive, bindLimitParametersFirst, buildIdentifierHelper, buildSQLExceptionConverter, canCreateCatalog, canCreateSchema, cast, cast, cast, closeQuote, convertToFirstRowValue, createCaseFragment, createOuterJoinFragment, defaultScrollMode, doesReadCommittedCauseWritersToBlockReaders, doesRepeatableReadCauseReadersToBlockWriters, escapeLiteral, forceLimitUsage, forceLobAsLastValue, forUpdateOfColumns, getAddColumnSuffixString, getAddForeignKeyConstraintString, getAddForeignKeyConstraintString, getAddPrimaryKeyConstraintString, getAddUniqueConstraintString, getAlterTableString, getAuxiliaryDatabaseObjectExporter, getCastTypeName, getColumnAliasExtractor, getColumnComment, getCreateCatalogCommand, getCreateMultisetTableString, getCreateSchemaCommand, getCreateSequenceStrings, getCreateSequenceStrings, getCreateTableString, getCrossJoinSeparator, getCurrentSchemaCommand, getCurrentTimestampSQLFunctionName, getDefaultBatchLoadSizingStrategy, getDefaultProperties, getDialect, getDialect, getDropCatalogCommand, getDropForeignKeyString, getDropSchemaCommand, getDropSequenceStrings, getDropTableString, getForeignKeyExporter, getForUpdateString, getForUpdateString, getFunctions, getHibernateTypeName, getHibernateTypeName, getIndexExporter, getInExpressionCountLimit, getKeywords, getLimitString, getLobMergeStrategy, getLockingStrategy, getLowercaseFunction, getMaxAliasLength, getNameQualifierSupport, getNativeIdentifierGeneratorClass, getNotExpression, getNullColumnString, getQueryHintString, getQueryHintString, getSchemaNameResolver, getSelectGUIDString, getSequenceExporter, getSequenceInformationExtractor, getTableComment, getTableExporter, getTableTypeString, getTypeName, getTypeName, getUniqueDelegate, getUniqueKeyExporter, hasAlterTable, hasSelfReferentialForeignKeyBug, inlineLiteral, isJdbcLogWarningsEnabledByDefault, isLegacyLimitHandlerBehaviorEnabled, isLockTimeoutParameterized, isTypeNameRegistered, openQuote, prependComment, quote, registerColumnType, registerColumnType, registerFunction, registerHibernateType, registerHibernateType, registerKeyword, registerResultSetOutParameter, remapSqlTypeDescriptor, renderOrderByElement, replaceResultVariableInOrderByClauseWithPosition, requiresCastingOfParametersInSelectClause, supportsBindAsCallableArgument, supportsCascadeDelete, supportsCircularCascadeDeleteConstraints, supportsColumnCheck, supportsExistsInSelect, supportsIfExistsAfterConstraintName, supportsIfExistsAfterTableName, supportsLimitOffset, supportsLockTimeouts, supportsNamedParameters, supportsNotNullUnique, supportsParametersInInsertSelect, supportsResultSetPositionQueryMethodsOnForwardOnlyCursor, supportsSubqueryOnMutatingTable, supportsSubselectAsInPredicateLHS, supportsTableCheck, supportsTupleCounts, supportsTupleDistinctCounts, supportsTuplesInSubqueries, supportsUnique, supportsUniqueConstraintInCreateAlterTable, supportsVariableLimit, toString, transformSelectString, useFollowOnLocking, useFollowOnLocking, useMaxForLimit

Methods inherited from class java.lang.Object

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

Constructor Detail

PostgreSQL95Dialect

public PostgreSQL95Dialect()

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 PostgreSQL81Dialect

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 PostgreSQL81Dialect

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 PostgreSQL81Dialect

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 PostgreSQL81Dialect

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.

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