private void initializeSchema( SQLPlanner sqlPlanner, Flow flowDef, TapSchema currentTapSchema )
{
if( sqlPlanner.getDefaultSchema() != null )
currentTapSchema = createGetTapSchema( currentTapSchema, getDefaultSchema() );
SchemaDef currentSchemaDef = new SchemaDef();
if( sqlPlanner.getDefaultSchema() != null )
currentSchemaDef = createGetSchemaDef( currentSchemaDef, getDefaultSchema() );
addTaps( currentSchemaDef, currentTapSchema, flowDef.getSources(), new Function<Tap, Fields>()