org.apache.calcite.rel.rel2sql

Class SqlImplementor.MatchRecognizeContext

java.lang.Object

org.apache.calcite.rel.rel2sql.SqlImplementor.Context

org.apache.calcite.rel.rel2sql.SqlImplementor.AliasContext

org.apache.calcite.rel.rel2sql.SqlImplementor.MatchRecognizeContext

Enclosing class:

SqlImplementor

public class SqlImplementor.MatchRecognizeContext
extends SqlImplementor.AliasContext

Context for translating MATCH_RECOGNIZE clause

Field Summary

Fields inherited from class org.apache.calcite.rel.rel2sql.SqlImplementor.Context

fieldCount

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	MatchRecognizeContext(Map<String,RelDataType> aliases)

Method Summary

Modifier and Type	Method and Description
SqlNode	toSql(RexProgram program, RexNode rex) Converts an expression from RexNode to SqlNode format.

Methods inherited from class org.apache.calcite.rel.rel2sql.SqlImplementor.AliasContext

field

Methods inherited from class org.apache.calcite.rel.rel2sql.SqlImplementor.Context

fieldList, implementor, toSql, toSql

Methods inherited from class java.lang.Object

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

Constructor Detail

MatchRecognizeContext

protected MatchRecognizeContext(Map<String,RelDataType> aliases)

Method Detail

toSql

public SqlNode toSql(RexProgram program,
                     RexNode rex)

Description copied from class: SqlImplementor.Context

Converts an expression from RexNode to SqlNode format.

Overrides:

toSql in class SqlImplementor.Context

Parameters:

program - Required only if rex contains RexLocalRef

rex - Expression to convert