Kézikönyv:querycachetwo táblázat
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↑ Kézikönyv:Tartalom | MediaWiki-adatbázis elrendezése | querycachetwo táblázat |
MediaWiki-verzió: | ≥ 1.9 |
The querycachetwo table is a table used for caching expensive grouped queries that need two links (for example double-redirects).
Mezők
qcc_type
Kulcsnév, általában a speciális lap alapneve.
qcc_value
Valamilyen tárolt érték. Méretek, mennyiségek…
qcc_namespace
A cél névtere. A qcc_title változóval együtt használatos.
qcc_title
A cél címe. A qcc_namespace változóval együtt használatos.
qcc_namespacetwo
A cél névtere2. A qcc_titletwo változóval együtt használatos.
qcc_titletwo
A cél címe2. A qcc_namespacetwo változóval együtt használatos.
Séma összefoglalója
MediaWiki-verzió: | ≥ 1.11 |
DESCRIBE querycachetwo;
+------------------+------------------+------+-----+---------+-------+ | Field | Type | Null | Key | Default | Extra | +------------------+------------------+------+-----+---------+-------+ | qcc_type | varbinary(32) | NO | MUL | NULL | | | qcc_value | int(10) unsigned | NO | | 0 | | | qcc_namespace | int(11) | NO | | 0 | | | qcc_title | varbinary(255) | NO | | | | | qcc_namespacetwo | int(11) | NO | | 0 | | | qcc_titletwo | varbinary(255) | NO | | | | +------------------+------------------+------+-----+---------+-------+
MediaWiki-verzió: | 1.10 |
DESCRIBE querycachetwo;
+------------------+------------------+------+-----+---------+-------+ | Field | Type | Null | Key | Default | Extra | +------------------+------------------+------+-----+---------+-------+ | qcc_type | varbinary(32) | NO | MUL | NULL | | | qcc_value | int(10) unsigned | NO | | 0 | | | qcc_namespace | int(11) | NO | | 0 | | | qcc_title | char(255) binary | NO | | NULL | | | qcc_namespacetwo | int(11) | NO | | 0 | | | qcc_titletwo | char(255) binary | NO | | NULL | | +------------------+------------------+------+-----+---------+-------+
MediaWiki-verzió: | 1.9 |
DESCRIBE querycachetwo;
+------------------+------------------+------+-----+---------+-------+ | Field | Type | Null | Key | Default | Extra | +------------------+------------------+------+-----+---------+-------+ | qcc_type | char(32) | NO | MUL | NULL | | | qcc_value | int(5) unsigned | NO | | 0 | | | qcc_namespace | int(11) | NO | | 0 | | | qcc_title | char(255) binary | NO | | NULL | | | qcc_namespacetwo | int(11) | NO | | 0 | | | qcc_titletwo | char(255) binary | NO | | NULL | | +------------------+------------------+------+-----+---------+-------+
Indexek
MediaWiki-verzió: | ≥ 1.9 |
SHOW INDEX IN querycachetwo;
+---------------+------------+--------------+--------------+------------------+-----------+-------------+----------+--------+------+------------+---------+---------------+ | Table | Non_unique | Key_name | Seq_in_index | Column_name | Collation | Cardinality | Sub_part | Packed | Null | Index_type | Comment | Index_comment | +---------------+------------+--------------+--------------+------------------+-----------+-------------+----------+--------+------+------------+---------+---------------+ | querycachetwo | 1 | qcc_type | 1 | qcc_type | A | 0 | NULL | NULL | | BTREE | | | | querycachetwo | 1 | qcc_type | 2 | qcc_value | A | 0 | NULL | NULL | | BTREE | | | | querycachetwo | 1 | qcc_title | 1 | qcc_type | A | 0 | NULL | NULL | | BTREE | | | | querycachetwo | 1 | qcc_title | 2 | qcc_namespace | A | 0 | NULL | NULL | | BTREE | | | | querycachetwo | 1 | qcc_title | 3 | qcc_title | A | 0 | NULL | NULL | | BTREE | | | | querycachetwo | 1 | qcc_titletwo | 1 | qcc_type | A | 0 | NULL | NULL | | BTREE | | | | querycachetwo | 1 | qcc_titletwo | 2 | qcc_namespacetwo | A | 0 | NULL | NULL | | BTREE | | | | querycachetwo | 1 | qcc_titletwo | 3 | qcc_titletwo | A | 0 | NULL | NULL | | BTREE | | | +---------------+------------+--------------+--------------+------------------+-----------+-------------+----------+--------+------+------------+---------+---------------+