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<?php |
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/* |
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* The MIT License |
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* |
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* Copyright 2014 ekow. |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a copy |
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* of this software and associated documentation files (the "Software"), to deal |
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* in the Software without restriction, including without limitation the rights |
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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* copies of the Software, and to permit persons to whom the Software is |
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* furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included in |
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* all copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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* THE SOFTWARE. |
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*/ |
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namespace ntentan\atiaa\descriptors; |
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class MysqlDescriptor extends InformationSchemaDescriptor |
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{ |
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protected function getForeignKeys(&$table) |
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{ |
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return $this->driver->query( |
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sprintf("SELECT |
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kcu.constraint_name as name, |
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kcu.table_schema as `schema`, |
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kcu.table_name as `table`, |
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kcu.column_name as `column`, |
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kcu.referenced_table_name AS foreign_table, |
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kcu.referenced_table_schema AS foreign_schema, |
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kcu.referenced_column_name AS foreign_column, |
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rc.update_rule as on_update, |
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rc.delete_rule as on_delete |
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FROM |
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information_schema.table_constraints AS tc |
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JOIN information_schema.key_column_usage AS kcu |
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ON tc.constraint_name = kcu.constraint_name and tc.table_schema = kcu.table_schema |
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JOIN information_schema.referential_constraints AS rc |
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ON rc.constraint_name = tc.constraint_name and rc.constraint_schema = tc.table_schema |
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WHERE constraint_type = 'FOREIGN KEY' |
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AND tc.table_name='%s' AND tc.table_schema='%s' order by kcu.constraint_name, kcu.column_name", $table['name'], $table['schema'] |
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) |
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); |
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} |
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protected function getIndices(&$table) |
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{ |
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return $this->driver->query( |
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sprintf("SELECT table_name, column_name as `column`,index_name as `name` FROM information_schema.STATISTICS |
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WHERE INDEX_NAME not in (SELECT CONSTRAINT_NAME FROM information_schema.KEY_COLUMN_USAGE) |
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AND table_name = '%s' and table_schema = '%s' order by index_name, column_name", $table['name'], $table['schema']) |
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); |
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} |
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protected function getSchemata() |
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{ |
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$defaultSchema = $this->driver->getDefaultSchema(); |
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if ($defaultSchema == '') { |
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$schemata = $this->driver->query( |
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"select schema_name as name from information_schema.schemata |
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where schema_name <> 'information_schema' order by schema_name" |
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); |
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} else { |
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$schemata = array( |
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array( |
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'name' => $defaultSchema |
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) |
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); |
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} |
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return $schemata; |
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} |
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protected function hasAutoIncrementingKey(&$table) |
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{ |
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$auto = false; |
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$found = $this->driver->query( |
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sprintf( |
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"select column_name as name |
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from information_schema.columns |
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where table_name = '%s' and table_schema='%s' and extra = 'auto_increment'", $table['name'], $table['schema'] |
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) |
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); |
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if (count($found) > 0) { |
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$auto = true; |
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} |
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return $auto; |
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} |
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} |
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ntentan /
atiaa
