org.apache.hadoop.hive.ql.io.sarg
Interface PredicateLeaf

public interface PredicateLeaf

The primitive predicates that form a SearchArgument.

Nested Class Summary

static class	PredicateLeaf.Operator The possible operators for predicates.
static class	PredicateLeaf.Type The possible types for sargs.

Method Summary

String	getColumnName() Get the simple column name.
Object	getLiteral() Get the literal half of the predicate leaf.
List<Object>	getLiteralList() For operators with multiple literals (IN and BETWEEN), get the literals.
PredicateLeaf.Operator	getOperator() Get the operator for the leaf.
PredicateLeaf.Type	getType() Get the type of the column and literal.

Method Detail

getOperator

PredicateLeaf.Operator getOperator()

Get the operator for the leaf.

getType

PredicateLeaf.Type getType()

Get the type of the column and literal.

getColumnName

String getColumnName()

Get the simple column name.

Returns:

the column name

getLiteral

Object getLiteral()

Get the literal half of the predicate leaf.

Returns:

a Long, Double, or String

getLiteralList

List<Object> getLiteralList()

For operators with multiple literals (IN and BETWEEN), get the literals.

Returns:

the list of literals (Longs, Doubles, or Strings)