Package org.apache.calcite.sql

Class SqlByRewriter

java.lang.Object

org.apache.calcite.sql.SqlByRewriter

public final class SqlByRewriter
extends Object

Rewrites the parser-level SELECT ... BY clause into equivalent GROUP BY and ORDER BY lists, and updates SqlSelect accordingly.

Method Summary

Modifier and Type	Method	Description
static void	rewrite(SqlSelect select, @Nullable SqlNodeList by)	Rewrites by when it is specified on select.

Methods inherited from class java.lang.Object

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

Method Details

rewrite

public static void rewrite(SqlSelect select,
 @Nullable SqlNodeList by)

Rewrites by when it is specified on select. No action is taken when by is null or empty.