Package org.hibernate.dialect

Class TiDBSqlAstTranslator<T extends JdbcOperation>

java.lang.Object

org.hibernate.sql.ast.spi.AbstractSqlAstTranslator<T>

org.hibernate.dialect.TiDBSqlAstTranslator<T>

All Implemented Interfaces:

Appendable, SqlAppender, SqlAstTranslator<T>, SqlAstWalker

public class TiDBSqlAstTranslator<T extends JdbcOperation>
extends AbstractSqlAstTranslator<T>

A SQL AST translator for TiDB.

Author:

Christian Beikov, Cong Wang

Nested Class Summary

Nested classes/interfaces inherited from class org.hibernate.sql.ast.spi.AbstractSqlAstTranslator

AbstractSqlAstTranslator.ForUpdateClause, AbstractSqlAstTranslator.LockStrategy, AbstractSqlAstTranslator.SubQueryRelationalRestrictionEmulationRenderer<X extends Expression>

Field Summary

Fields inherited from interface org.hibernate.sql.ast.spi.SqlAppender

CLOSE_PARENTHESIS, COMMA_SEPARATOR, COMMA_SEPARATOR_CHAR, NO_SEPARATOR, NULL_KEYWORD, OPEN_PARENTHESIS, PARAM_MARKER, WHITESPACE

Constructor Summary

Constructors

Constructor	Description
TiDBSqlAstTranslator(SessionFactoryImplementor sessionFactory, Statement statement)

Method Summary

Modifier and Type	Method	Description
protected String	determineColumnReferenceQualifier(ColumnReference columnReference)
TiDBDialect	getDialect()
protected String	getForShare(int timeoutMillis)
protected void	renderComparison(Expression lhs, ComparisonOperator operator, Expression rhs)
protected void	renderDeleteClause(DeleteStatement statement)
protected void	renderDmlTargetTableExpression(NamedTableReference tableReference)
protected void	renderExpressionAsClauseItem(Expression expression)
protected void	renderPartitionItem(Expression expression)
protected void	renderStringContainsExactlyPredicate(Expression haystack, Expression needle)
protected void	renderUpdateClause(UpdateStatement updateStatement)
protected boolean	shouldEmulateFetchClause(QueryPart queryPart)
protected boolean	supportsJoinsInDelete()
boolean	supportsRowValueConstructorSyntaxInInList()	If the dialect supports row values, does it offer such support in IN lists as well?
protected boolean	supportsRowValueConstructorSyntaxInQuantifiedPredicates()	Is this dialect known to support what ANSI-SQL terms "row value constructor" syntax; sometimes called tuple syntax with quantified predicates.
boolean	supportsRowValueConstructorSyntaxInSet()	Is this dialect known to support what ANSI-SQL terms "row value constructor" syntax, sometimes called tuple syntax, in the SET clause;
protected JdbcOperationQueryInsert	translateInsert(InsertSelectStatement sqlAst)
void	visitBinaryArithmeticExpression(BinaryArithmeticExpression arithmeticExpression)
void	visitBooleanExpressionPredicate(BooleanExpressionPredicate booleanExpressionPredicate)
void	visitCastTarget(CastTarget castTarget)
void	visitColumnReference(ColumnReference columnReference)
protected void	visitConflictClause(ConflictClause conflictClause)
protected void	visitInsertSource(InsertSelectStatement statement)
void	visitLikePredicate(LikePredicate likePredicate)
void	visitOffsetFetchClause(QueryPart queryPart)
void	visitQueryGroup(QueryGroup queryGroup)
void	visitQueryPartTableReference(QueryPartTableReference tableReference)
void	visitQuerySpec(QuerySpec querySpec)
void	visitValuesTableReference(ValuesTableReference tableReference)

Methods inherited from class org.hibernate.sql.ast.spi.AbstractSqlAstTranslator

addAdditionalWherePredicate, addAppliedParameterBinding, append, append, append, appendBackslashEscapedLikeLiteral, appendSql, appendSql, appendSql, appendSql, appendSql, applyParameter, areAllResultsParameters, areAllResultsParameters, assertRowsOnlyFetchClauseType, castFunction, castNumberToString, cleanup, createRowMatchingPredicate, determineCyclePathColumnName, determineLateralEmulationPredicate, determineLockingStrategy, determineWhereClauseRestrictionWithJoinEmulation, determineWhereClauseRestrictionWithJoinEmulation, emulateCycleClauseWithRowAndArray, emulateFetchOffsetWithWindowFunctions, emulateFetchOffsetWithWindowFunctions, emulateFetchOffsetWithWindowFunctionsVisitQueryPart, emulateQuantifiedTupleSubQueryPredicate, emulateQueryPartTableReferenceColumnAliasing, emulateSearchClauseOrderWithRowAndArray, emulateSelectTupleComparison, emulateSortSpecificationNullPrecedence, emulateSubQueryRelationalRestrictionPredicate, emulateTupleComparison, emulateValuesTableReferenceColumnAliasing, getAffectedTableNames, getAppliedParameterBindings, getArrayContainsFunction, getBooleanType, getCastTypeName, getCastTypeName, getClauseStack, getCteStatement, getCurrentClauseStack, getCurrentCteStatement, getCurrentDmlStatement, getCurrentQueryPart, getDual, getEffectiveLockMode, getEffectiveLockMode, getEffectiveLockTimeout, getFetchClauseTypeForRowNumbering, getForUpdate, getForUpdateWithClause, getFromDual, getFromDualForSelectOnly, getIntegerType, getJdbcLockStrategy, getJdbcParameterBindings, getJdbcServices, getLeftHandExpression, getLimit, getLimitParameter, getLockOptions, getMaxRows, getNoWait, getOffsetParameter, getParameterBinders, getParameterBindValue, getParameterRenderingMode, getQueryPartForRowNumbering, getQueryPartStack, getRowsToSkip, getSelectItemReference, getSessionFactory, getSkipLocked, getSortSpecificationsRowNumbering, getSql, getSqlAppender, getSqlBuffer, getSqlTypeName, getSqlTypeName, getStatement, getStatementStack, getStringType, getUniqueConstraintNameThatMayFail, getWrapperOptions, hasAggregateFunctions, hasLimit, hasLimit, hasNestedTableGroupsToRender, hasNonTrivialFromClause, hasOffset, inlineCteTableGroup, inOverOrWithinGroupClause, interpretExpression, isCorrelated, isInRecursiveQueryPart, isInSubquery, isIntegerDivisionEmulationRequired, isLiteral, isParameter, isRowNumberingCurrentQueryPart, isRowsOnlyFetchClauseType, isStruct, needsCteInlining, needsLocking, needsMaxRows, needsRecursiveKeywordInWithClause, needsRowsToSkip, prepareLimitOffsetParameters, processNestedTableGroupJoins, processTableGroupJoin, processTableGroupJoins, registerAffectedTable, registerAffectedTable, render, renderAsLiteral, renderBackslashEscapedLikePattern, renderCaseInsensitiveLikeEmulation, renderCasted, renderCombinedLimitClause, renderCombinedLimitClause, renderCommaSeparated, renderCommaSeparatedSelectExpression, renderCommaSeparatedSelectExpression, renderComparisonDistinctOperator, renderComparisonEmulateCase, renderComparisonEmulateDecode, renderComparisonEmulateDecode, renderComparisonEmulateIntersect, renderComparisonStandard, renderCteColumns, renderCycleClause, renderDerivedTableReference, renderDmlTargetTableGroup, renderExpressionAsLiteral, renderExpressionsAsSubquery, renderFetch, renderFetchExpression, renderFetchPlusOffsetExpression, renderFetchPlusOffsetExpressionAsLiteral, renderFetchPlusOffsetExpressionAsSingleParameter, renderFirstClause, renderFirstClause, renderFirstSkipClause, renderFirstSkipClause, renderForUpdateClause, renderFromClauseAfterUpdateSet, renderFromClauseExcludingDmlTargetReference, renderFromClauseJoiningDmlTargetReference, renderFromClauseSpaces, renderInsertIntoNoColumns, renderIntoIntoAndTable, renderLimitOffsetClause, renderLimitOffsetClause, renderLiteral, renderMaterializationHint, renderMergeUpdateClause, renderNamedTableReference, renderNull, renderOffset, renderOffsetExpression, renderOffsetFetchClause, renderOffsetFetchClause, renderOrderBy, renderParameterAsParameter, renderParameterAsParameter, renderPrimaryTableReference, renderQueryGroup, renderRecursiveCteVirtualSelections, renderRootTableGroup, renderRowNumber, renderRowNumberingSelectItems, renderRowsToClause, renderRowsToClause, renderSearchClause, renderSelectExpression, renderSelectExpressionWithCastedOrInlinedPlainParameters, renderSelectSimpleComparison, renderSelectTupleComparison, renderSetClause, renderSkipFirstClause, renderSkipFirstClause, renderSortExpression, renderStandardCycleClause, renderStandardSearchClause, renderTableGroup, renderTableGroupJoin, renderTableReferenceIdentificationVariable, renderTableReferenceJoins, renderTableReferenceJoins, renderTopClause, renderTopClause, renderTopStartAtClause, renderTopStartAtClause, renderTupleComparisonStandard, renderVirtualSelections, renderWrappedParameter, resolveAliasedExpression, resolveAliasedExpression, resolveExpressionToAlias, setLimitParameter, setOffsetParameter, shouldEmulateLateralWithIntersect, shouldInlineCte, simpleColumnWriteFragmentRendering, supportsArrayConstructor, supportsDistinctFromPredicate, supportsDuplicateSelectItemsInQueryGroup, supportsFilterClause, supportsIntersect, supportsJoinInMutationStatementSubquery, supportsNestedSubqueryCorrelation, supportsNestedWithClause, supportsNullPrecedence, supportsQuantifiedPredicates, supportsRecursiveClauseArrayAndRowEmulation, supportsRecursiveCycleClause, supportsRecursiveCycleUsingClause, supportsRecursiveSearchClause, supportsRowConstructor, supportsRowValueConstructorDistinctFromSyntax, supportsRowValueConstructorGtLtSyntax, supportsRowValueConstructorSyntax, supportsRowValueConstructorSyntaxInInSubQuery, supportsSimpleQueryGrouping, supportsWithClause, supportsWithClauseInSubquery, translate, translateDelete, translateSelect, translateUpdate, useOffsetFetchClause, visitAggregateColumnWriteExpression, visitAnsiCaseSearchedExpression, visitAnsiCaseSimpleExpression, visitAny, visitArithmeticOperand, visitAssignment, visitBetweenPredicate, visitCaseSearchedExpression, visitCaseSearchedExpression, visitCaseSimpleExpression, visitCaseSimpleExpression, visitCollation, visitColumnWriteFragment, visitConversion, visitCteContainer, visitCteDefinition, visitCteObject, visitCustomTableDelete, visitCustomTableInsert, visitCustomTableUpdate, visitDecodeCaseSearchedExpression, visitDeleteStatement, visitDeleteStatementOnly, visitDistinct, visitDuration, visitDurationUnit, visitEmbeddableTypeLiteral, visitEntityTypeLiteral, visitEvery, visitExistsPredicate, visitExtractUnit, visitFilterFragmentPredicate, visitFilterPredicate, visitFormat, visitForUpdateClause, visitFromClause, visitFunctionTableReference, visitGroupByClause, visitGroupedPredicate, visitHavingClause, visitInArrayPredicate, visitInListPredicate, visitInsertStatement, visitInsertStatementEmulateMerge, visitInsertStatementOnly, visitInSubQueryPredicate, visitJdbcLiteral, visitJunction, visitModifiedSubQueryExpression, visitNamedTableReference, visitNegatedPredicate, visitNestedColumnReference, visitNullnessPredicate, visitOnDuplicateKeyConflictClause, visitOptionalTableUpdate, visitOrderBy, visitOver, visitOverClause, visitOverClause, visitOverflow, visitParameter, visitParameterAsParameter, visitPartitionByClause, visitPartitionExpressions, visitPartitionExpressions, visitQueryLiteral, visitRecursivePath, visitRelationalPredicate, visitReturningColumns, visitReturningColumns, visitSelectClause, visitSelectStatement, visitSelfRenderingExpression, visitSelfRenderingPredicate, visitSetAssignment, visitSetAssignmentEmulateJoin, visitSortSpecification, visitSortSpecification, visitSqlFragmentPredicate, visitSqlSelectExpression, visitSqlSelection, visitSqlSelectionExpression, visitSqlSelections, visitStandardConflictClause, visitStandardTableDelete, visitStandardTableInsert, visitStandardTableUpdate, visitStar, visitSummarization, visitTableGroup, visitTableGroupJoin, visitTableReferenceJoin, visitThruthnessPredicate, visitTrimSpecification, visitTuple, visitUnaryOperationExpression, visitUnparsedNumericLiteral, visitUpdateStatement, visitUpdateStatementEmulateInlineView, visitUpdateStatementEmulateMerge, visitUpdateStatementEmulateTupleSet, visitUpdateStatementOnly, visitValuesList, visitValuesListEmulateSelectUnion, visitValuesListStandard, visitWhereClause, withParameterRenderingMode, withRowNumbering

Methods inherited from class java.lang.Object

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

Constructor Details

TiDBSqlAstTranslator

public TiDBSqlAstTranslator(SessionFactoryImplementor sessionFactory,
 Statement statement)

Method Details

visitBinaryArithmeticExpression

public void visitBinaryArithmeticExpression(BinaryArithmeticExpression arithmeticExpression)

Specified by:

visitBinaryArithmeticExpression in interface SqlAstWalker

Overrides:

visitBinaryArithmeticExpression in class AbstractSqlAstTranslator<T extends JdbcOperation>

visitInsertSource

protected void visitInsertSource(InsertSelectStatement statement)

Overrides:

visitInsertSource in class AbstractSqlAstTranslator<T extends JdbcOperation>

visitColumnReference

public void visitColumnReference(ColumnReference columnReference)

Specified by:

visitColumnReference in interface SqlAstWalker

Overrides:

visitColumnReference in class AbstractSqlAstTranslator<T extends JdbcOperation>

renderDeleteClause

protected void renderDeleteClause(DeleteStatement statement)

Overrides:

renderDeleteClause in class AbstractSqlAstTranslator<T extends JdbcOperation>

renderUpdateClause

protected void renderUpdateClause(UpdateStatement updateStatement)

Overrides:

renderUpdateClause in class AbstractSqlAstTranslator<T extends JdbcOperation>

renderDmlTargetTableExpression

protected void renderDmlTargetTableExpression(NamedTableReference tableReference)

Overrides:

renderDmlTargetTableExpression in class AbstractSqlAstTranslator<T extends JdbcOperation>

supportsJoinsInDelete

protected boolean supportsJoinsInDelete()

Overrides:

supportsJoinsInDelete in class AbstractSqlAstTranslator<T extends JdbcOperation>

translateInsert

protected JdbcOperationQueryInsert translateInsert(InsertSelectStatement sqlAst)

Overrides:

translateInsert in class AbstractSqlAstTranslator<T extends JdbcOperation>

visitConflictClause

protected void visitConflictClause(ConflictClause conflictClause)

Overrides:

visitConflictClause in class AbstractSqlAstTranslator<T extends JdbcOperation>

determineColumnReferenceQualifier

protected String determineColumnReferenceQualifier(ColumnReference columnReference)

Overrides:

determineColumnReferenceQualifier in class AbstractSqlAstTranslator<T extends JdbcOperation>

renderExpressionAsClauseItem

protected void renderExpressionAsClauseItem(Expression expression)

Overrides:

renderExpressionAsClauseItem in class AbstractSqlAstTranslator<T extends JdbcOperation>

visitBooleanExpressionPredicate

public void visitBooleanExpressionPredicate(BooleanExpressionPredicate booleanExpressionPredicate)

Specified by:

visitBooleanExpressionPredicate in interface SqlAstWalker

Overrides:

visitBooleanExpressionPredicate in class AbstractSqlAstTranslator<T extends JdbcOperation>

shouldEmulateFetchClause

protected boolean shouldEmulateFetchClause(QueryPart queryPart)

visitQueryGroup

public void visitQueryGroup(QueryGroup queryGroup)

Specified by:

visitQueryGroup in interface SqlAstWalker

Overrides:

visitQueryGroup in class AbstractSqlAstTranslator<T extends JdbcOperation>

visitQuerySpec

public void visitQuerySpec(QuerySpec querySpec)

Specified by:

visitQuerySpec in interface SqlAstWalker

Overrides:

visitQuerySpec in class AbstractSqlAstTranslator<T extends JdbcOperation>

visitValuesTableReference

public void visitValuesTableReference(ValuesTableReference tableReference)

Specified by:

visitValuesTableReference in interface SqlAstWalker

Overrides:

visitValuesTableReference in class AbstractSqlAstTranslator<T extends JdbcOperation>

visitQueryPartTableReference

public void visitQueryPartTableReference(QueryPartTableReference tableReference)

Specified by:

visitQueryPartTableReference in interface SqlAstWalker

Overrides:

visitQueryPartTableReference in class AbstractSqlAstTranslator<T extends JdbcOperation>

visitOffsetFetchClause

public void visitOffsetFetchClause(QueryPart queryPart)

Specified by:

visitOffsetFetchClause in interface SqlAstWalker

Overrides:

visitOffsetFetchClause in class AbstractSqlAstTranslator<T extends JdbcOperation>

renderComparison

protected void renderComparison(Expression lhs,
 ComparisonOperator operator,
 Expression rhs)

Overrides:

renderComparison in class AbstractSqlAstTranslator<T extends JdbcOperation>

renderPartitionItem

protected void renderPartitionItem(Expression expression)

Overrides:

renderPartitionItem in class AbstractSqlAstTranslator<T extends JdbcOperation>

visitLikePredicate

public void visitLikePredicate(LikePredicate likePredicate)

Specified by:

visitLikePredicate in interface SqlAstWalker

Overrides:

visitLikePredicate in class AbstractSqlAstTranslator<T extends JdbcOperation>

supportsRowValueConstructorSyntaxInSet

public boolean supportsRowValueConstructorSyntaxInSet()

Description copied from class: AbstractSqlAstTranslator

Is this dialect known to support what ANSI-SQL terms "row value constructor" syntax, sometimes called tuple syntax, in the SET clause;

Basically, does it support syntax like ... SET (FIRST_NAME, LAST_NAME) = ('Steve', 'Ebersole') ...

Overrides:

supportsRowValueConstructorSyntaxInSet in class AbstractSqlAstTranslator<T extends JdbcOperation>

Returns:

True if this SQL dialect is known to support "row value constructor" syntax in the SET clause; false otherwise.

supportsRowValueConstructorSyntaxInInList

public boolean supportsRowValueConstructorSyntaxInInList()

Description copied from class: AbstractSqlAstTranslator

If the dialect supports row values, does it offer such support in IN lists as well?

For example, ... where (FIRST_NAME, LAST_NAME) IN ( (?, ?), (?, ?) ) ...

Overrides:

supportsRowValueConstructorSyntaxInInList in class AbstractSqlAstTranslator<T extends JdbcOperation>

Returns:

True if this SQL dialect is known to support "row value constructor" syntax in the IN list; false otherwise.

supportsRowValueConstructorSyntaxInQuantifiedPredicates

protected boolean supportsRowValueConstructorSyntaxInQuantifiedPredicates()

Description copied from class: AbstractSqlAstTranslator

Is this dialect known to support what ANSI-SQL terms "row value constructor" syntax; sometimes called tuple syntax with quantified predicates.

Basically, does it support syntax like ... where (FIRST_NAME, LAST_NAME) = ALL (select ...) ...

Overrides:

supportsRowValueConstructorSyntaxInQuantifiedPredicates in class AbstractSqlAstTranslator<T extends JdbcOperation>

Returns:

True if this SQL dialect is known to support "row value constructor" syntax with quantified predicates; false otherwise.

getForShare

protected String getForShare(int timeoutMillis)

Overrides:

getForShare in class AbstractSqlAstTranslator<T extends JdbcOperation>

getDialect

public TiDBDialect getDialect()

Overrides:

getDialect in class AbstractSqlAstTranslator<T extends JdbcOperation>

visitCastTarget

public void visitCastTarget(CastTarget castTarget)

Specified by:

visitCastTarget in interface SqlAstWalker

Overrides:

visitCastTarget in class AbstractSqlAstTranslator<T extends JdbcOperation>

renderStringContainsExactlyPredicate

protected void renderStringContainsExactlyPredicate(Expression haystack,
 Expression needle)

Overrides:

renderStringContainsExactlyPredicate in class AbstractSqlAstTranslator<T extends JdbcOperation>