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Merge pull request #9810 from nineinchnick/fix-mysql-information-schema-speed

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Add more conditions when reading mysql information_schema to speed it up
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Alexander Makarov
2015-10-01 13:35:44 +03:00
parent 25f614cbef eb6935e4a8
commit f3204f44dc
1 changed files with 2 additions and 1 deletions
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framework/db/mysql/Schema.php
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@@ -257,7 +257,8 @@ JOIN information_schema.key_column_usage AS kcu ON
kcu.constraint_catalog = rc.constraint_catalog AND kcu.constraint_catalog = rc.constraint_catalog AND
kcu.constraint_schema = rc.constraint_schema AND kcu.constraint_schema = rc.constraint_schema AND
kcu.constraint_name = rc.constraint_name kcu.constraint_name = rc.constraint_name
WHERE rc.table_name = :tableName WHERE rc.constraint_schema = database() AND kcu.table_schema = database()
AND rc.table_name = :tableName AND kcu.table_name = :tableName
SQL; SQL;
$rows = $this->db->createCommand($sql, [':tableName' => $table->name])->queryAll(); $rows = $this->db->createCommand($sql, [':tableName' => $table->name])->queryAll();