Class SqlToRelConverter.Blackboard

java.lang.Object
org.apache.calcite.sql2rel.SqlToRelConverter.Blackboard
All Implemented Interfaces:
SqlVisitor<RexNode>, InitializerContext, SqlRexContext
Enclosing class:
SqlToRelConverter

protected class SqlToRelConverter.Blackboard extends Object implements SqlRexContext, SqlVisitor<RexNode>, InitializerContext
Workspace for translating an individual SELECT statement (or sub-SELECT).