X-Git-Url: https://scripts.mit.edu/gitweb/autoinstallsdev/mediawiki.git/blobdiff_plain/19e297c21b10b1b8a3acad5e73fc71dcb35db44a..6932310fd58ebef145fa01eb76edf7150284d8ea:/maintenance/archives/patch-ip_changes.sql

diff --git a/maintenance/archives/patch-ip_changes.sql b/maintenance/archives/patch-ip_changes.sql
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+++ b/maintenance/archives/patch-ip_changes.sql
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+--
+-- Every time an edit by a logged out user is saved,
+-- a row is created in ip_changes. This stores
+-- the IP as a hex representation so that we can more
+-- easily find edits within an IP range.
+--
+CREATE TABLE /*_*/ip_changes (
+  -- Foreign key to the revision table, also serves as the unique primary key
+  ipc_rev_id int unsigned NOT NULL PRIMARY KEY DEFAULT '0',
+
+  -- The timestamp of the revision
+  ipc_rev_timestamp binary(14) NOT NULL DEFAULT '',
+
+  -- Hex representation of the IP address, as returned by IP::toHex()
+  -- For IPv4 it will resemble: ABCD1234
+  -- For IPv6: v6-ABCD1234000000000000000000000000
+  -- BETWEEN is then used to identify revisions within a given range
+  ipc_hex varbinary(35) NOT NULL DEFAULT ''
+
+) /*$wgDBTableOptions*/;
+
+CREATE INDEX /*i*/ipc_rev_timestamp ON /*_*/ip_changes (ipc_rev_timestamp);
+CREATE INDEX /*i*/ipc_hex_time ON /*_*/ip_changes (ipc_hex,ipc_rev_timestamp);