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java.lang.Objectunity.query.Optimizer
public class Optimizer
| 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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Optimizer(GlobalQuery gq)
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| Method Summary | |
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GlobalQuery |
optimize()
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void |
optimizeSubQuery(SubQuery subQuery)
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| Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
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public Optimizer(GlobalQuery gq)
| Method Detail |
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public GlobalQuery optimize()
throws java.sql.SQLException
java.sql.SQLException
public void optimizeSubQuery(SubQuery subQuery)
throws java.sql.SQLException
java.sql.SQLException
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