Package org.apache.cayenne.dba.sqlite
Class SQLiteQualifierTranslator
java.lang.Object
org.apache.cayenne.access.translator.select.QueryAssemblerHelper
org.apache.cayenne.access.translator.select.QualifierTranslator
org.apache.cayenne.dba.sqlite.SQLiteQualifierTranslator
- All Implemented Interfaces:
TraversalHandler
public class SQLiteQualifierTranslator extends QualifierTranslator
- Since:
- 4.0
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Field Summary
Fields inherited from class org.apache.cayenne.access.translator.select.QualifierTranslator
caseInsensitive, matchingObject, objectMatchTranslator, qualifier, useAliasForExpressions, waitingForEndNode
Fields inherited from class org.apache.cayenne.access.translator.select.QueryAssemblerHelper
out, queryAssembler, strategy
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Constructor Summary
Constructors Constructor Description SQLiteQualifierTranslator(QueryAssembler queryAssembler)
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Method Summary
Modifier and Type Method Description protected void
appendExtractFunction(ASTExtract functionExpression)
Translates to cast(strftime('format', column) as integer).protected void
appendFunction(ASTFunctionCall functionExpression)
Append function name to result SQL Override this method to rename or skip function if generic name isn't supported on target DB.protected void
appendFunctionArgDivider(ASTFunctionCall functionExpression)
Append divider between function arguments.protected void
clearLastFunctionArgDivider(ASTFunctionCall functionExpression)
Clear last divider as we currently don't now position of argument until parent element is ended.void
endNode(Expression node, Expression parentNode)
Called during the traversal after an expression node children processing is finished.protected boolean
parenthesisNeeded(Expression node, Expression parentNode)
Methods inherited from class org.apache.cayenne.access.translator.select.QualifierTranslator
appendFunctionArg, appendLiteral, appendObjectMatch, detectObjectMatch, doAppendPart, doAppendPart, extractQualifier, finishedChild, objectNode, operandForBitwiseAnd, operandForBitwiseLeftShift, operandForBitwiseNot, operandForBitwiseOr, operandForBitwiseRightShift, operandForBitwiseXor, processRelTermination, setCaseInsensitive, setQualifier, setUseAliasForExpressions, startNode
Methods inherited from class org.apache.cayenne.access.translator.select.QueryAssemblerHelper
appendDbPath, appendLikeEscapeCharacter, appendLiteralDirect, appendObjPath, appendPart, getDbEntity, getObjEntity, paramsDbType, processColumn, processColumnWithQuoteSqlIdentifiers, processRelTermination, setForceJoinForRelations
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Constructor Details
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SQLiteQualifierTranslator
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Method Details
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endNode
Description copied from interface:TraversalHandler
Called during the traversal after an expression node children processing is finished.- Specified by:
endNode
in interfaceTraversalHandler
- Overrides:
endNode
in classQualifierTranslator
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appendFunction
Description copied from class:QualifierTranslator
Append function name to result SQL Override this method to rename or skip function if generic name isn't supported on target DB.- Overrides:
appendFunction
in classQualifierTranslator
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appendFunctionArgDivider
Description copied from class:QualifierTranslator
Append divider between function arguments. In overriding methods can be replaced e.g. for " || " for CONCAT operation- Overrides:
appendFunctionArgDivider
in classQualifierTranslator
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clearLastFunctionArgDivider
Description copied from class:QualifierTranslator
Clear last divider as we currently don't now position of argument until parent element is ended.- Overrides:
clearLastFunctionArgDivider
in classQualifierTranslator
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parenthesisNeeded
- Overrides:
parenthesisNeeded
in classQualifierTranslator
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appendExtractFunction
Translates to cast(strftime('format', column) as integer). Depends on connection property "date_class", can be set in connection URL (date_class=text). https://www.sqlite.org/lang_datefunc.html- Overrides:
appendExtractFunction
in classQualifierTranslator
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