maintenance/archives/patch-ip_changes.sql

   1 --
   2 -- Every time an edit by a logged out user is saved,
   3 -- a row is created in ip_changes. This stores
   4 -- the IP as a hex representation so that we can more
   5 -- easily find edits within an IP range.
   6 --
   7 CREATE TABLE /*_*/ip_changes (
   8   -- Foreign key to the revision table, also serves as the unique primary key
   9   ipc_rev_id int unsigned NOT NULL PRIMARY KEY DEFAULT '0',
  10
  11   -- The timestamp of the revision
  12   ipc_rev_timestamp binary(14) NOT NULL DEFAULT '',
  13
  14   -- Hex representation of the IP address, as returned by IP::toHex()
  15   -- For IPv4 it will resemble: ABCD1234
  16   -- For IPv6: v6-ABCD1234000000000000000000000000
  17   -- BETWEEN is then used to identify revisions within a given range
  18   ipc_hex varbinary(35) NOT NULL DEFAULT ''
  19
  20 ) /*$wgDBTableOptions*/;
  21
  22 CREATE INDEX /*i*/ipc_rev_timestamp ON /*_*/ip_changes (ipc_rev_timestamp);
  23 CREATE INDEX /*i*/ipc_hex_time ON /*_*/ip_changes (ipc_hex,ipc_rev_timestamp);