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<?php
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/**
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* @file
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* Schema definitions install/update/uninstall hooks.
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*/
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/**
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* Implements hook_uninstall().
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*/
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function job_scheduler_uninstall() {
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db_delete('variable')
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->condition('name', 'job_scheduler_class_%', 'like')
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->execute();
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variable_del('job_scheduler_rebuild_all');
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}
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/**
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* Implements hook_schema().
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*/
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function job_scheduler_schema() {
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$schema = array();
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$schema['job_schedule'] = array(
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'description' => 'Schedule of jobs to be executed.',
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'fields' => array(
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'item_id' => array(
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'type' => 'serial',
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'unsigned' => TRUE,
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'not null' => TRUE,
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'description' => 'Primary Key: Unique item ID.',
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),
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'name' => array(
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'type' => 'varchar',
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'length' => 128,
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'not null' => TRUE,
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'default' => '',
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'description' => 'Name of the schedule.',
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),
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'type' => array(
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'type' => 'varchar',
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'length' => 128,
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'not null' => TRUE,
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'default' => '',
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'description' => 'Type identifier of the job.',
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),
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'id' => array(
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'type' => 'int',
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'not null' => TRUE,
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'default' => 0,
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'unsigned' => TRUE,
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'description' => 'Numeric identifier of the job.',
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),
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'period' => array(
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'type' => 'int',
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'unsigned' => TRUE,
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'default' => 0,
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'not null' => TRUE,
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'description' => 'Time period after which job is to be executed.',
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),
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'crontab' => array(
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'type' => 'varchar',
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'length' => 255,
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'not null' => TRUE,
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'default' => '',
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'description' => 'Crontab line in *NIX format.',
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),
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'data' => array(
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'type' => 'blob',
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'not null' => FALSE,
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'size' => 'big',
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'serialize' => TRUE,
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'description' => 'The arbitrary data for the item.',
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),
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'expire' => array(
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'type' => 'int',
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'not null' => TRUE,
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'default' => 0,
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'description' => 'Timestamp when job expires.',
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),
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'last' => array(
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'type' => 'int',
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'unsigned' => TRUE,
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'default' => 0,
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'not null' => TRUE,
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'description' => 'Timestamp when a job was last executed.',
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),
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'periodic' => array(
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'type' => 'int',
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'size' => 'small',
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'unsigned' => TRUE,
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'default' => 0,
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'not null' => TRUE,
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'description' => 'If true job will be automatically rescheduled.',
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),
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'next' => array(
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'type' => 'int',
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'unsigned' => TRUE,
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'default' => 0,
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'not null' => TRUE,
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'description' => 'Timestamp when a job is to be executed (next = last + period), used for fast ordering.',
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),
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'scheduled' => array(
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'type' => 'int',
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'unsigned' => TRUE,
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'default' => 0,
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'not null' => TRUE,
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'description' => 'Timestamp when a job was scheduled. 0 if a job is currently not scheduled.',
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),
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),
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'primary key' => array('item_id'),
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'indexes' => array(
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'name_type_id' => array('name', 'type', 'id'),
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'name_type' => array('name', 'type'),
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'next' => array('next'),
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'scheduled' => array('scheduled'),
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),
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);
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return $schema;
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}
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/**
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* Fix indexes on next.
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*/
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function job_scheduler_update_6101() {
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$ret = array();
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db_drop_index($ret, 'job_schedule', 'last_period');
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db_drop_index($ret, 'job_schedule', 'periodic');
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db_add_index($ret, 'job_schedule', 'next', array('next'));
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return $ret;
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}
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/**
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* Rename 'callback' to 'name' field.
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*/
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function job_scheduler_update_7100() {
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db_drop_index('job_schedule', 'callback_type_id');
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db_drop_index('job_schedule', 'callback_type');
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$spec = array(
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'type' => 'varchar',
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'length' => 128,
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'not null' => TRUE,
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'default' => '',
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'description' => 'Name of the schedule.',
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);
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db_change_field('job_schedule', 'callback', 'name', $spec);
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db_add_index('job_schedule', 'name_type_id', array('name', 'type', 'id'));
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db_add_index('job_schedule', 'name_type', array('name', 'type'));
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}
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/**
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* Add fields: item_id, crontab, data, expire.
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*/
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function job_scheduler_update_7101() {
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$spec = array(
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'type' => 'varchar',
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'length' => 255,
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'not null' => TRUE,
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'default' => '',
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'description' => 'Crontab line in *NIX format.',
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);
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db_add_field('job_schedule', 'crontab', $spec);
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$spec = array(
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'type' => 'blob',
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'not null' => FALSE,
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'size' => 'big',
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'serialize' => TRUE,
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'description' => 'The arbitrary data for the item.',
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);
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db_add_field('job_schedule', 'data', $spec);
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$spec = array(
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'type' => 'int',
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'not null' => TRUE,
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'default' => 0,
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'description' => 'Timestamp when job expires.',
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);
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db_add_field('job_schedule', 'expire', $spec);
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$spec = array(
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'type' => 'serial',
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'unsigned' => TRUE,
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'not null' => TRUE,
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'description' => 'Primary Key: Unique item ID.',
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);
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db_add_field('job_schedule', 'item_id', $spec, array('primary key' => array('item_id')));
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}
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/**
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* Drop field: created.
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*/
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function job_scheduler_update_7102() {
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if (db_field_exists('job_schedule', 'created')) {
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db_drop_field('job_schedule', 'created');
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}
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}
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