Class ExtendedMappingRelation
java.lang.Object
se.liu.ida.hefquin.mappings.algebra.impl.BaseForMappingRelationImpl
se.liu.ida.hefquin.mappings.algebra.exec.ExtendedMappingRelation
- All Implemented Interfaces:
MappingRelation
A
MappingRelation produced by a MappingOpExtend operator.-
Nested Class Summary
Nested Classes -
Field Summary
FieldsModifier and TypeFieldDescriptionprotected final Stringprotected final ExtendExpressionprotected final intprotected final MappingRelationprotected final String[]protected final int[]Fields inherited from class se.liu.ida.hefquin.mappings.algebra.impl.BaseForMappingRelationImpl
schema -
Constructor Summary
ConstructorsConstructorDescriptionExtendedMappingRelation(MappingRelation input, ExtendExpression expr, String attribute) -
Method Summary
Methods inherited from class se.liu.ida.hefquin.mappings.algebra.impl.BaseForMappingRelationImpl
getSchema
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Field Details
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input
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expr
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attribute
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idxOfNewAttribute
protected final int idxOfNewAttribute -
schemaMappingAttrs
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schemaMappingIdxs
protected final int[] schemaMappingIdxs
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Constructor Details
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ExtendedMappingRelation
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Method Details
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createSchema
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getCursor
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