<?php
function tripal_views_search_schema(){
	$schema = array();
	$schema['tripal_views_search'] = array(
		'description' => 'contains the searches, their materialized view id and base table name that was used.',
		'fields' => array(
			'tripal_search_id' => array(
				'description' => 'the id of the search',
				'type' => 'serial',
				'unsigned' => TRUE,
				'not null' => TRUE,
			),
			'mview_id' => array(
				'description' => 'the materialized view used for this search',
				'type' => 'int',
				'unsigned' => TRUE,
			),
			'base_table_name' => array(
				'description' => 'the base table name to be used when using this search',
				'type' => 'varchar',
				'length' => 255,
				'not null' => TRUE,
				'default' => '',
			),
		),
		'unique_keys' => array(
			'tripal_search_id' => array('tripal_search_id'),
		),
		'primary key' => array('tripal_search_id'),
	);
	$schema['tripal_mviews_join'] = array(
		'description' => 'which materialzed views and chado tables to join in a given search',
		'fields' => array(
			'tripal_search_id' => array(
				'description' => 'tripal search id from tripal_views_search table',
				'type' => 'serial',
				'unsigned' => TRUE,
				'not null'=> TRUE,
			),
			'view_column' => array(
				'description' => 'materialized view name and column',
				'type' => 'varchar',
				'length' => '255',
				'not null' => TRUE,
				'default' => '',
			),
			'chado_column' => array(
				'description' => 'which chado table and column is to be linked up to materialized view in this serach',
				'type' => 'varchar',
				'length' => '255',
				'not null' => TRUE,
				'default' => '',
			),
		),
		'unique_keys' => array(
			'tripal_search_id' => array('tripal_search_id'),
		),
		'primary key' => array('tripal_search_id'),
	);
	$schema['tripal_views_handlers'] = array(
		'description' => 'in formation for views: column and views handler name',
		'fields' => array(
			'tripal_search_id' => array(
				'description' => 'which search this is used by from tripal_views_search table',
					'type' => 'serial',
					'unsigned' => TRUE,
					'not null'=> TRUE,
			),
			'column_name' => array(
				'description' => '',
				'type' => 'varchar',
				'length' => '255',
				'not null' => TRUE,
				'default' => '',
			),
			'handler_name' => array(
				'description' => 'name of the views handler to be used for this particular search',
				'type' => 'varchar',
				'length' => '255',
				'not null' => TRUE,
				'default' => '',
			),
		), 
	);
	return $schema;
}

function tripal_views_search_install(){
	drupal_install_schema('tripal_views_search');
}

function tripal_views_search_uninstall(){
	drupal_uninstall_schema('tripal_views_search');
}


/*
 * NOTE: when updating schema for this module's tables
 * follow api of schema module, otherwise on uninstall
 * the tables will not be removed correctly
 *
 */