org.apache.calcite.sql.validate

Class SqlValidatorUtil.GroupAnalyzer

java.lang.Object

org.apache.calcite.sql.validate.SqlValidatorUtil.GroupAnalyzer

Enclosing class:

SqlValidatorUtil

static class SqlValidatorUtil.GroupAnalyzer
extends Object

Builds a list of GROUP BY expressions.

Field Summary

Fields

Modifier and Type	Field and Description
(package private) List<SqlNode>	extraExprs Extra expressions, computed from the input as extra GROUP BY expressions.
(package private) int	groupCount
(package private) Map<Integer,Integer>	groupExprProjection
(package private) List<SqlNode>	groupExprs

Constructor Summary

Constructors

Constructor and Description
GroupAnalyzer(List<SqlNode> groupExprs)

Method Summary

Modifier and Type	Method and Description
(package private) SqlNode	createGroupExpr()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

extraExprs

final List<SqlNode> extraExprs

Extra expressions, computed from the input as extra GROUP BY expressions. For example, calls to the TUMBLE functions.

groupExprs

final List<SqlNode> groupExprs

groupExprProjection

final Map<Integer,Integer> groupExprProjection

groupCount

int groupCount

Constructor Detail

GroupAnalyzer

GroupAnalyzer(List<SqlNode> groupExprs)

Method Detail

createGroupExpr

SqlNode createGroupExpr()