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java.lang.Objectunity.query.LQNode
unity.query.LQProductNode
public class LQProductNode
Field Summary |
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Fields inherited from interface unity.query.LQTreeConstants |
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ADD, AGGREGATEFUNCTION, AND, APPEND, ARITH_OP, ARITHMETICFUNCTION, AS_IDENTIFIER, AS_TABLE, BAG_DIFFERENCE, BAG_INTERSECTION, BAG_UNION, BigDecimal, COMPARISON_OP, CONDITION, CONSTANTEXPRESSION, CROSSPRODUCT, DIFFERENCE, DISTRIBUTEDJOIN, DUPLICATE_ELIMINATION, DYNAMICHASHJOIN, EARLYHASHJOIN, EARLYHASHJOIN_NOBUFFER, EXPRESSION, FILTER, FULLOUTERJOIN, FUNCTION, GROUPBY, HAVING, IDENTIFIER, IN, INNERJOIN, INTEGER, INTERSECTION, JOIN, LEFTOUTERJOIN, MATCHFUNCTION, MERGE, MERGEJOIN, MINIMUM_JOIN_BUFFER_SIZE, MULT, MULT_OP, NESTEDLOOPJOIN, NOT, OR, ORDERBY, PRODUCT, PROJECTION, REAL, RIGHTOUTERJOIN, SELECTION, SQLPATTERN, STRING, TABLE, TABLE_IDENTIFIER, UNION, UNKNOWN, XOR |
Constructor Summary | |
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LQProductNode()
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Method Summary | |
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Operator |
buildOperator(Operator[] children)
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java.lang.String |
generateSQL()
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int |
numTuples()
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java.lang.String |
toString()
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int |
tupleSize()
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Methods inherited from class unity.query.LQNode |
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addChild, clone, containsChild, getAllExprNodes, getChild, getChild, getChildren, getContent, getNumChildren, getOperator, getOutputRelation, getParent, getReference, getRequiredFields, getType, hasChildren, indexOfChild, print, removeChild, removeChild, removeChild, replaceChild, setChild, setContent, setMemorySizeTuples, setOperator, setParent, setReference, setType, stripDBAttr, stripDBTable |
Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public LQProductNode()
Method Detail |
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public java.lang.String generateSQL()
generateSQL
in class LQNode
public java.lang.String toString()
toString
in class java.lang.Object
public Operator buildOperator(Operator[] children)
buildOperator
in class LQNode
public int numTuples()
numTuples
in class LQNode
public int tupleSize()
tupleSize
in class LQNode
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