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<?php |
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/* |
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* This file is part of the Pomm package. |
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* |
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* (c) 2014 - 2015 Grégoire HUBERT <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace PommProject\Foundation\Inspector; |
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use PommProject\Foundation\Exception\FoundationException; |
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use PommProject\Foundation\ConvertedResultIterator; |
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use PommProject\Foundation\Client\Client; |
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use PommProject\Foundation\Where; |
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/** |
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* SchemaInspector |
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* |
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* Schema inspector client. |
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* |
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* @package Pomm |
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* @copyright 2015 Grégoire HUBERT |
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* @author Grégoire HUBERT |
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* @license X11 {@link http://opensource.org/licenses/mit-license.php} |
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* |
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* @see Client |
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*/ |
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class SchemaInspector extends Client |
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{ |
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use InspectorTrait; |
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/** |
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* getClientType |
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* |
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* @see ClientInterface |
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*/ |
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public function getClientType() |
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{ |
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return 'inspector'; |
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} |
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/** |
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* getClientIdentifier |
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* |
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* @see ClientInterface |
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*/ |
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public function getClientIdentifier() |
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{ |
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return 'schema'; |
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} |
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/** |
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* getSchemas |
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* |
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* Return a list of available schemas in the current database. An |
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* additional criteria can be given to filter the results. |
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* Criterias can be a combination of: |
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* * n schema |
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* * d description |
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* * o owner |
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* |
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* If no criteria is provided, all schemas will be returned including |
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* system schemas (temporary schema, toast schemas etc.) |
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* |
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* @param Where $where |
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* @return ConvertedResultIterator |
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*/ |
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public function getSchemas(Where $where = null) |
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{ |
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$sql = <<<SQL |
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select |
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n.nspname as "name", |
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n.oid as "oid", |
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d.description as "comment", |
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count(c) as "relations", |
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o.rolname as "owner" |
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from pg_catalog.pg_namespace n |
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left join pg_catalog.pg_description d on n.oid = d.objoid |
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left join pg_catalog.pg_class c on |
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c.relnamespace = n.oid and c.relkind in ('r', 'v') |
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join pg_catalog.pg_roles o on n.nspowner = o.oid |
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where {condition} |
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group by 1, 2, 3, 5 |
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order by 1 asc; |
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SQL; |
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$condition = Where::create() |
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->andWhere($where) |
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; |
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return $this->executeSql($sql, $condition); |
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} |
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/** |
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* getUserSchemas |
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* |
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* Return a list of user schema (not pg_* nor information_schema). |
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* |
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* @param Where $where |
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* @return ConvertedResultIterator |
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*/ |
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public function getUserSchemas(Where $where = null) |
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{ |
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$condition = Where::create() |
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->andWhere($where) |
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->andwhere("n.nspname !~ $*", ['^pg_']) |
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->andWhere("n.nspname <> $*", ['information_schema']) |
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; |
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return $this->getSchemas($condition); |
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} |
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} |
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