<?php
function tripal_views_integration_schema(){
	$schema = array();
	$schema['tripal_views_integration'] = array(
		'description' => 'contains the setupes, their materialized view id and base table name that was used.',
		'fields' => array(
			'setup_id' => array(
				'description' => 'the id of the setup',
				'type' => 'serial',
				'unsigned' => TRUE,
				'not null' => TRUE,
			),
			'mview_id' => array(
				'description' => 'the materialized view used for this setup',
				'type' => 'int',
				'unsigned' => TRUE,
			),
			'chado_table_name' => array(
				'description' => 'the base table name to be used when using this setup',
				'type' => 'varchar',
				'length' => 255,
				'not null' => TRUE,
				'default' => '',
			),
			'name' => array(
				'description' => 'Human readable name of this setup',
				'type' => 'varchar',
				'length' => 255,
				'not null' => TRUE,
				'default' => '',
			),
			'description' => array(
				'description' => 'description of this row',
				'type' => 'varchar',
				'length' => 255,
				'not null' => TRUE,
				'default' => '',
			),
		),
		'unique_keys' => array(
			'setup_id' => array('setup_id'),
		),
		'primary key' => array('setup_id'),
	);
	$schema['tripal_mviews_join'] = array(
		'description' => 'which materialzed views and chado tables to join in a given setup',
		'fields' => array(
		  'mview_join_id' => array(
				'description' => 'the id of the join',
					'type' => 'serial',
					'unsigned' => TRUE,
					'not null' => TRUE,
		  ),
			'setup_id' => array(
				'description' => 'tripal setup id from tripal_views_integration table',
				'type' => 'int',
				'unsigned' => TRUE,
				'not null'=> TRUE,
			),
			'view_table' => array(
					'description' => 'materialized view table name',
					'type' => 'varchar',
					'length' => '255',
					'not null' => TRUE,
					'default' => '',
	    ),
			'view_column' => array(
				'description' => 'column of materialized view table (mview_table)',
				'type' => 'varchar',
				'length' => '255',
				'not null' => TRUE,
				'default' => '',
			),
			'chado_table_join' => array(
				'description' => 'on which chado table to join to materialized view in this serach',
				'type' => 'varchar',
				'length' => '255',
				'not null' => TRUE,
				'default' => '',
			),
			'chado_column' => array(
				'description' => 'chado table (above) column to join on materialized view in this serach',
				'type' => 'varchar',
				'length' => '255',
				'not null' => TRUE,
				'default' => '',
	    ),
		),
		'unique_keys' => array(
			'setup_id' => array('mview_join_id'),
		),
		'primary key' => array('mview_join_id'),
	);
	$schema['tripal_views_handlers'] = array(
		'description' => 'in formation for views: column and views handler name',
		'fields' => array(
			'handler_id' => array(
				'description' => 'the id of the handler',
					'type' => 'serial',
					'unsigned' => TRUE,
					'not null' => TRUE,
	    ),
			'setup_id' => array(
				'description' => 'which setup this is used by from tripal_views_integration table',
					'type' => 'int',
					'unsigned' => TRUE,
					'not null'=> TRUE,
			),
			'column_name' => array(
				'description' => '',
				'type' => 'varchar',
				'length' => '255',
				'not null' => TRUE,
				'default' => '',
			),
			'handler_filter' => array(
				'description' => 'identifier of the handler filter to be used for this column',
				'type' => 'varchar',
				'length' => '255',
				'not null' => TRUE,
				'default' => '',
			),
			'handler_field' => array(
				'description' => 'identifier of the handler field to be used for this column',
				'type' => 'varchar',
				'length' => '255',
				'not null' => TRUE,
				'default' => '',
	    ),
		),
		'unique_keys' => array(
				'setup_id' => array('handler_id'),
	  ),
		'primary key' => array('handler_id'),
	);
	return $schema;
}

function tripal_views_integration_install(){
	drupal_install_schema('tripal_views_integration');
}

function tripal_views_integration_uninstall(){
	drupal_uninstall_schema('tripal_views_integration');
}


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