public function getDescribeReferences()
{
return [[null, "SELECT DISTINCT tc.table_name as TABLE_NAME, kcu.column_name as COLUMN_NAME, tc.constraint_name as CONSTRAINT_NAME, tc.table_catalog as REFERENCED_TABLE_SCHEMA, ccu.table_name AS REFERENCED_TABLE_NAME, ccu.column_name AS REFERENCED_COLUMN_NAME FROM information_schema.table_constraints AS tc JOIN information_schema.key_column_usage AS kcu ON tc.constraint_name = kcu.constraint_name JOIN information_schema.constraint_column_usage AS ccu ON ccu.constraint_name = tc.constraint_name WHERE constraint_type = 'FOREIGN KEY' AND tc.table_schema = 'public' AND tc.table_name='table'"], ['schema', "SELECT DISTINCT tc.table_name as TABLE_NAME, kcu.column_name as COLUMN_NAME, tc.constraint_name as CONSTRAINT_NAME, tc.table_catalog as REFERENCED_TABLE_SCHEMA, ccu.table_name AS REFERENCED_TABLE_NAME, ccu.column_name AS REFERENCED_COLUMN_NAME FROM information_schema.table_constraints AS tc JOIN information_schema.key_column_usage AS kcu ON tc.constraint_name = kcu.constraint_name JOIN information_schema.constraint_column_usage AS ccu ON ccu.constraint_name = tc.constraint_name WHERE constraint_type = 'FOREIGN KEY' AND tc.table_schema = 'schema' AND tc.table_name='table'"]];
}