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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Db\Pgsql; |
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use InvalidArgumentException; |
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use LogicException; |
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use Yiisoft\Db\Driver\Pdo\AbstractPdoCommand; |
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use function sprintf; |
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/** |
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* Implements a database command that can be executed with a PDO (PHP Data Object) database connection for PostgreSQL |
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* Server. |
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*/ |
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final class Command extends AbstractPdoCommand |
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{ |
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public function showDatabases(): array |
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{ |
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$sql = <<<SQL |
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SELECT datname FROM pg_database WHERE datistemplate = false AND datname NOT IN ('postgres', 'template0', 'template1') |
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SQL; |
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return $this->setSql($sql)->queryColumn(); |
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} |
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/** |
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* @see {https://www.postgresql.org/docs/current/sql-refreshmaterializedview.html} |
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* |
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* @param string $viewName |
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* @param bool|null $concurrently Add [ CONCURRENTLY ] to refresh command |
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* @param bool|null $withData Add [ WITH [ NO ] DATA ] to refresh command |
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* @return bool |
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* @throws \Throwable |
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* @throws \Yiisoft\Db\Exception\Exception |
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* @throws \Yiisoft\Db\Exception\InvalidConfigException |
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*/ |
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public function refreshMaterializedView(string $viewName, ?bool $concurrently = null, ?bool $withData = null): bool |
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{ |
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if ($concurrently || ($concurrently === null || $withData === null)) { |
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$tableSchema = $this->db->getTableSchema($viewName); |
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if ($tableSchema) { |
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$hasUnique = count($this->db->getSchema()->findUniqueIndexes($tableSchema)) > 0; |
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} else { |
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throw new InvalidArgumentException( |
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sprintf('"%s" not found in DB', $viewName) |
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); |
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} |
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if ($concurrently && !$hasUnique) { |
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throw new LogicException('CONCURRENTLY refresh is not allowed without unique index.'); |
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} |
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$concurrently = $hasUnique; |
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} |
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$sql = 'REFRESH MATERIALIZED VIEW'; |
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if ($concurrently) { |
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if ($withData === false) { |
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throw new LogicException('CONCURRENTLY and WITH NO DATA may not be specified together.'); |
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} |
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$sql .= ' CONCURRENTLY'; |
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} |
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$sql .= ' ' . $this->db->getQuoter()->quoteTableName($viewName); |
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if (is_bool($withData)) { |
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$sql .= ' WITH ' . ($withData ? 'DATA' : 'NO DATA'); |
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} |
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return $this->setSql($sql)->execute() === 0; |
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} |
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} |
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yiisoft /
db-pgsql
