org.teiid.query.resolver.command

Class SetQueryResolver

java.lang.Object

org.teiid.query.resolver.command.SetQueryResolver

All Implemented Interfaces:

CommandResolver

public class SetQueryResolver
extends Object
implements CommandResolver

Constructor Summary

Constructors

Constructor and Description
SetQueryResolver()

Method Summary

Modifier and Type	Method and Description
static boolean	orderByContainsVariable(OrderBy orderBy, Expression ses, int position) Checks if a variable is in the ORDER BY
void	resolveCommand(Command command, TempMetadataAdapter metadata, boolean resolveNullLiterals) Resolve the command using the metadata.
void	resolveSetQuery(TempMetadataAdapter metadata, boolean resolveNullLiterals, SetQuery setQuery, QueryCommand firstCommand, QueryCommand rightCommand)

Methods inherited from class java.lang.Object

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

Constructor Detail

SetQueryResolver

public SetQueryResolver()

Method Detail

resolveCommand

public void resolveCommand(Command command,
                           TempMetadataAdapter metadata,
                           boolean resolveNullLiterals)
                    throws QueryMetadataException,
                           QueryResolverException,
                           TeiidComponentException

Description copied from interface: CommandResolver

Resolve the command using the metadata.

Specified by:

resolveCommand in interface CommandResolver

Parameters:

command - The command to resolve

metadata - Metadata

resolveNullLiterals - true if the resolver should consider replacing null literals with more appropriate types

Throws:

QueryMetadataException - If there is a metadata problem

QueryResolverException - If the query cannot be resolved

TeiidComponentException - If there is an internal error

See Also:

CommandResolver.resolveCommand(org.teiid.query.sql.lang.Command, TempMetadataAdapter, boolean)

resolveSetQuery

public void resolveSetQuery(TempMetadataAdapter metadata,
                            boolean resolveNullLiterals,
                            SetQuery setQuery,
                            QueryCommand firstCommand,
                            QueryCommand rightCommand)
                     throws QueryResolverException,
                            QueryMetadataException,
                            TeiidComponentException

Throws:

QueryResolverException

QueryMetadataException

TeiidComponentException

orderByContainsVariable

public static boolean orderByContainsVariable(OrderBy orderBy,
                                              Expression ses,
                                              int position)

Checks if a variable is in the ORDER BY

Parameters:

position - 0-based index of the variable

Returns:

True if the ORDER BY contains the element