com.metamatrix.cdk
Class CommandBuilder

java.lang.Object
  com.metamatrix.cdk.CommandBuilder

public class CommandBuilder
extends java.lang.Object

Convert a query string into a SQL language parse tree.

Constructor Summary

CommandBuilder(QueryMetadataInterface metadata)

Method Summary

protected void	expandAllSymbol(Command command) Convert the "*" in "select * from..." to the list of column names for the data source.
ICommand	getCommand(java.lang.String queryString)
ICommand	getCommand(java.lang.String queryString, boolean generateAliases, boolean supportsGroupAlias)
static ILanguageFactory	getLanuageFactory()

Methods inherited from class java.lang.Object

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

Constructor Detail

CommandBuilder

public CommandBuilder(QueryMetadataInterface metadata)

Parameters:

metadata - The metadata describing the datasource which the query is for.

Method Detail

getLanuageFactory

public static ILanguageFactory getLanuageFactory()

getCommand

public ICommand getCommand(java.lang.String queryString)

getCommand

public ICommand getCommand(java.lang.String queryString,
                           boolean generateAliases,
                           boolean supportsGroupAlias)

expandAllSymbol

protected void expandAllSymbol(Command command)

Convert the "*" in "select * from..." to the list of column names for the data source.