- java.lang.Object
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- net.sf.jsqlparser.util.AddAliasesVisitor<T>
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- All Implemented Interfaces:
SelectItemVisitor<T>
,SelectVisitor<T>
public class AddAliasesVisitor<T> extends java.lang.Object implements SelectVisitor<T>, SelectItemVisitor<T>
Add aliases to every column and expression selected by a select - statement. Existing aliases are recognized and preserved. This class standard uses a prefix of A and a counter to generate new aliases (e.g. A1, A5, ...). This behaviour can be altered.
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Field Summary
Fields Modifier and Type Field Description private java.util.List<java.lang.String>
aliases
private int
counter
private boolean
firstRun
private static java.lang.String
NOT_SUPPORTED_YET
private java.lang.String
prefix
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Constructor Summary
Constructors Constructor Description AddAliasesVisitor()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description protected java.lang.String
getNextAlias()
void
setPrefix(java.lang.String prefix)
<S> T
visit(LateralSubSelect lateralSubSelect, S context)
<S> T
visit(ParenthesedSelect parenthesedSelect, S context)
<S> T
visit(PlainSelect plainSelect, S context)
<S> T
visit(SelectItem<?> selectExpressionItem, S context)
<S> T
visit(SetOperationList setOperationList, S context)
<S> T
visit(TableStatement tableStatement, S context)
<S> T
visit(Values values, S context)
<S> T
visit(WithItem withItem, S context)
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface net.sf.jsqlparser.statement.select.SelectItemVisitor
visit
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Field Detail
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NOT_SUPPORTED_YET
private static final java.lang.String NOT_SUPPORTED_YET
- See Also:
- Constant Field Values
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aliases
private final java.util.List<java.lang.String> aliases
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firstRun
private boolean firstRun
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counter
private int counter
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prefix
private java.lang.String prefix
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Method Detail
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visit
public <S> T visit(ParenthesedSelect parenthesedSelect, S context)
- Specified by:
visit
in interfaceSelectVisitor<T>
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visit
public <S> T visit(PlainSelect plainSelect, S context)
- Specified by:
visit
in interfaceSelectVisitor<T>
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visit
public <S> T visit(SetOperationList setOperationList, S context)
- Specified by:
visit
in interfaceSelectVisitor<T>
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visit
public <S> T visit(SelectItem<?> selectExpressionItem, S context)
- Specified by:
visit
in interfaceSelectItemVisitor<T>
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getNextAlias
protected java.lang.String getNextAlias()
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setPrefix
public void setPrefix(java.lang.String prefix)
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visit
public <S> T visit(WithItem withItem, S context)
- Specified by:
visit
in interfaceSelectVisitor<T>
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visit
public <S> T visit(Values values, S context)
- Specified by:
visit
in interfaceSelectVisitor<T>
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visit
public <S> T visit(LateralSubSelect lateralSubSelect, S context)
- Specified by:
visit
in interfaceSelectVisitor<T>
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visit
public <S> T visit(TableStatement tableStatement, S context)
- Specified by:
visit
in interfaceSelectVisitor<T>
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