-- Any other parameters to the command
-- Stored as a PHP serialized array, or an empty string if there are no parameters
- job_params blob NOT NULL
+ job_params blob NOT NULL,
+
+ -- Random, non-unique, number used for job acquisition
+ -- Either a simple timestamp or a totally random number (for lock concurrency)
+ job_random integer unsigned NOT NULL default 0,
+
+ -- Field that conveys process locks on rows via process UUIDs
+ job_token varbinary(32) NOT NULL default '',
+
+ -- Timestamp when the job was locked
+ job_token_timestamp varbinary(14) NULL default NULL,
+
+ -- Base 36 SHA1 of the job parameters relevant to detecting duplicates
+ job_sha1 varbinary(32) NOT NULL default ''
) /*$wgDBTableOptions*/;
+CREATE INDEX /*i*/job_sha1 ON /*_*/job (job_sha1);
+CREATE INDEX /*i*/job_cmd_token ON /*_*/job (job_cmd,job_token,job_random);
CREATE INDEX /*i*/job_cmd ON /*_*/job (job_cmd, job_namespace, job_title, job_params(128));
CREATE INDEX /*i*/job_timestamp ON /*_*/job (job_timestamp);
) /*$wgDBTableOptions*/;
CREATE UNIQUE INDEX /*i*/md_module_skin ON /*_*/module_deps (md_module, md_skin);
--- Table for holding configuration changes
-CREATE TABLE /*_*/config (
- -- Config var name
- cf_name varbinary(255) NOT NULL PRIMARY KEY,
- -- Config var value
- cf_value blob NOT NULL
-) /*$wgDBTableOptions*/;
--- Should cover *most* configuration - strings, ints, bools, etc.
-CREATE INDEX /*i*/cf_name_value ON /*_*/config (cf_name,cf_value(255));
-
-- Holds all the sites known to the wiki.
CREATE TABLE /*_*/sites (
-- Numeric id of the site