'patch-add-rc_name_type_patrolled_timestamp_index.sql' ],
[ 'addField', 'change_tag', 'ct_id', 'patch-change_tag-ct_id.sql' ],
[ 'addField', 'tag_summary', 'ts_id', 'patch-tag_summary-ts_id.sql' ],
+
+ // 1.29
+ [ 'addField', 'externallinks', 'el_index_60', 'patch-externallinks-el_index_60.sql' ],
];
}
[ 'addField', 'change_tag', 'ct_id', 'patch-change_tag-ct_id.sql' ],
[ 'addField', 'tag_summary', 'ts_id', 'patch-tag_summary-ts_id.sql' ],
[ 'modifyField', 'recentchanges', 'rc_ip', 'patch-rc_ip_modify.sql' ],
+
+ // 1.29
+ [ 'addField', 'externallinks', 'el_index_60', 'patch-externallinks-el_index_60.sql' ],
];
}
[ 'addField', 'change_tag', 'ct_id', 'patch-change_tag-ct_id.sql' ],
[ 'addField', 'tag_summary', 'ts_id', 'patch-tag_summary-ts_id.sql' ],
+ // 1.29
+ [ 'addField', 'externallinks', 'el_index_60', 'patch-externallinks-el_index_60.sql' ],
+
// KEEP THIS AT THE BOTTOM!!
[ 'doRebuildDuplicateFunction' ],
"INTEGER NOT NULL PRIMARY KEY DEFAULT nextval('change_tag_ct_id_seq')" ],
[ 'addPgField', 'tag_summary', 'ts_id',
"INTEGER NOT NULL PRIMARY KEY DEFAULT nextval('tag_summary_ts_id_seq')" ],
+
+ // 1.29
+ [ 'addPgField', 'externallinks', 'el_index_60', "BYTEA NOT NULL DEFAULT ''" ],
+ [ 'addPgIndex', 'externallinks', 'el_index_60', '( el_index_60, el_id )' ],
+ [ 'addPgIndex', 'externallinks', 'el_from_index_60', '( el_from, el_index_60, el_id )' ],
];
}
'patch-add-rc_name_type_patrolled_timestamp_index.sql' ],
[ 'addField', 'change_tag', 'ct_id', 'patch-change_tag-ct_id.sql' ],
[ 'addField', 'tag_summary', 'ts_id', 'patch-tag_summary-ts_id.sql' ],
+
+ // 1.29
+ [ 'addField', 'externallinks', 'el_index_60', 'patch-externallinks-el_index_60.sql' ],
];
}
--- /dev/null
+-- @since 1.29
+ALTER TABLE /*$wgDBprefix*/externallinks ADD COLUMN el_index_60 varbinary(60) NOT NULL DEFAULT '';
+CREATE INDEX /*i*/el_index_60 ON /*_*/externallinks (el_index_60, el_id);
+CREATE INDEX /*i*/el_from_index_60 ON /*_*/externallinks (el_from, el_index_60, el_id);
-- which allows for fast searching for all pages under example.com with the
-- clause:
-- WHERE el_index LIKE 'http://com.example.%'
- el_index nvarchar(450) NOT NULL
+ el_index nvarchar(450) NOT NULL,
+
+ -- This is el_index truncated to 60 bytes to allow for sortable queries that
+ -- aren't supported by a partial index.
+ -- @todo Drop the default once this is deployed everywhere and code is populating it.
+ el_index_60 varbinary(60) NOT NULL default ''
);
CREATE INDEX /*i*/el_from ON /*_*/externallinks (el_from);
CREATE INDEX /*i*/el_index ON /*_*/externallinks (el_index);
+CREATE INDEX /*i*/el_index_60 ON /*_*/externallinks (el_index_60, el_id);
+CREATE INDEX /*i*/el_from_index_60 ON /*_*/externallinks (el_from, el_index_60, el_id);
-- el_to index intentionally not added; we cannot index nvarchar(max) columns,
-- but we also cannot restrict el_to to a smaller column size as the external
-- link may be larger.
--- /dev/null
+define mw_prefix='{$wgDBprefix}';
+
+ALTER TABLE &mw_prefix.externallinks ADD el_index_60 VARBINARY(60) NOT NULL DEFAULT '';
+CREATE INDEX &mw_prefix.externallinks_i04 ON &mw_prefix.externallinks (el_index_60, el_id);
+CREATE INDEX &mw_prefix.externallinks_i05 ON &mw_prefix.externallinks (el_from, el_index_60, el_id);
el_id NUMBER NOT NULL,
el_from NUMBER NOT NULL,
el_to VARCHAR2(2048) NOT NULL,
- el_index VARCHAR2(2048) NOT NULL
+ el_index VARCHAR2(2048) NOT NULL,
+ el_index_60 VARBINARY(60) NOT NULL DEFAULT ''
);
ALTER TABLE &mw_prefix.externallinks ADD CONSTRAINT &mw_prefix.externallinks_pk PRIMARY KEY (el_id);
ALTER TABLE &mw_prefix.externallinks ADD CONSTRAINT &mw_prefix.externallinks_fk1 FOREIGN KEY (el_from) REFERENCES &mw_prefix.page(page_id) ON DELETE CASCADE DEFERRABLE INITIALLY DEFERRED;
CREATE INDEX &mw_prefix.externallinks_i01 ON &mw_prefix.externallinks (el_from, el_to);
CREATE INDEX &mw_prefix.externallinks_i02 ON &mw_prefix.externallinks (el_to, el_from);
CREATE INDEX &mw_prefix.externallinks_i03 ON &mw_prefix.externallinks (el_index);
+CREATE INDEX &mw_prefix.externallinks_i04 ON &mw_prefix.externallinks (el_index_60, el_id);
+CREATE INDEX &mw_prefix.externallinks_i05 ON &mw_prefix.externallinks (el_from, el_index_60, el_id);
CREATE TABLE &mw_prefix.langlinks (
ll_from NUMBER NOT NULL,
CREATE SEQUENCE externallinks_el_id_seq;
CREATE TABLE externallinks (
- el_id INTEGER NOT NULL PRIMARY KEY DEFAULT nextval('externallinks_el_id_seq'),
- el_from INTEGER NOT NULL REFERENCES page(page_id) ON DELETE CASCADE DEFERRABLE INITIALLY DEFERRED,
- el_to TEXT NOT NULL,
- el_index TEXT NOT NULL
+ el_id INTEGER NOT NULL PRIMARY KEY DEFAULT nextval('externallinks_el_id_seq'),
+ el_from INTEGER NOT NULL REFERENCES page(page_id) ON DELETE CASCADE DEFERRABLE INITIALLY DEFERRED,
+ el_to TEXT NOT NULL,
+ el_index TEXT NOT NULL,
+ el_index_60 BYTEA NOT NULL DEFAULT ''
);
CREATE INDEX externallinks_from_to ON externallinks (el_from,el_to);
CREATE INDEX externallinks_index ON externallinks (el_index);
+CREATE INDEX el_index_60 ON externallinks (el_index_60, el_id);
+CREATE INDEX el_from_index_60 ON externallinks (el_from, el_index_60, el_id);
CREATE TABLE langlinks (
ll_from INTEGER NOT NULL REFERENCES page (page_id) ON DELETE CASCADE DEFERRABLE INITIALLY DEFERRED,
-- which allows for fast searching for all pages under example.com with the
-- clause:
-- WHERE el_index LIKE 'http://com.example.%'
- el_index blob NOT NULL
+ el_index blob NOT NULL,
+
+ -- This is el_index truncated to 60 bytes to allow for sortable queries that
+ -- aren't supported by a partial index.
+ -- @todo Drop the default once this is deployed everywhere and code is populating it.
+ el_index_60 varbinary(60) NOT NULL default ''
) /*$wgDBTableOptions*/;
CREATE INDEX /*i*/el_from ON /*_*/externallinks (el_from, el_to(40));
CREATE INDEX /*i*/el_to ON /*_*/externallinks (el_to(60), el_from);
CREATE INDEX /*i*/el_index ON /*_*/externallinks (el_index(60));
+CREATE INDEX /*i*/el_index_60 ON /*_*/externallinks (el_index_60, el_id);
+CREATE INDEX /*i*/el_from_index_60 ON /*_*/externallinks (el_from, el_index_60, el_id);
--
-- Track interlanguage links