// Return a list of tables identifiers involved in the specified schema
// @param schemaId schema identifier
// @return a Set of table identifiers; if the schema is not found the set will be empty
public HashSet <String> getInvolvedTables(String schemaId)
{
HashSet <String> tables = new HashSet <String>();
StagingSchema schema = getSchema(schemaId);
if (schema != null && schema.getInvolvedTables() != null)
{
tables = schema.getInvolvedTables();
}
return(tables);
}
