org.apache.calcite.rel.rel2sql

Class SqlImplementor.AliasContext

java.lang.Object

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

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

Direct Known Subclasses:

SqlImplementor.MatchRecognizeContext

Enclosing class:

SqlImplementor

public class SqlImplementor.AliasContext
extends SqlImplementor.Context

Implementation of Context that precedes field references with their "table alias" based on the current sub-query's FROM clause.

Field Summary

Fields

Modifier and Type	Field and Description
private Map<String,RelDataType>	aliases
private boolean	qualified

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

fieldCount

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AliasContext(Map<String,RelDataType> aliases, boolean qualified) Creates an AliasContext; use SqlImplementor.aliasContext(Map, boolean).

Method Summary

Modifier and Type	Method and Description
SqlNode	field(int ordinal)

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

fieldList, implementor, toSql, toSql, toSql

Methods inherited from class java.lang.Object

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

Field Detail

qualified

private final boolean qualified

aliases

private final Map<String,RelDataType> aliases

Constructor Detail

AliasContext

protected AliasContext(Map<String,RelDataType> aliases,
                       boolean qualified)

Creates an AliasContext; use SqlImplementor.aliasContext(Map, boolean).

Method Detail

field

public SqlNode field(int ordinal)

Specified by:

field in class SqlImplementor.Context