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<?php |
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namespace Lagdo\DbAdmin\Driver\PgSql\Db; |
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use Lagdo\DbAdmin\Driver\Db\Server as AbstractServer; |
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use Lagdo\DbAdmin\Driver\Db\StatementInterface; |
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use function is_a; |
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use function in_array; |
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class Server extends AbstractServer |
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{ |
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/** |
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* @inheritDoc |
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*/ |
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public function databases(bool $flush) |
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{ |
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$query = "SELECT datname FROM pg_database WHERE has_database_privilege(datname, 'CONNECT') " . |
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"AND datname not in ('postgres','template0','template1') ORDER BY datname"; |
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return $this->driver->values($query); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function databaseSize(string $database) |
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{ |
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$statement = $this->driver->execute("SELECT pg_database_size(" . $this->driver->quote($database) . ")"); |
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if (is_a($statement, StatementInterface::class) && ($row = $statement->fetchRow())) { |
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return intval($row[0]); |
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} |
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return 0; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function databaseCollation(string $database, array $collations) |
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{ |
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return $this->driver->result("SELECT datcollate FROM pg_database WHERE datname = " . $this->driver->quote($database)); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function collations() |
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{ |
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//! supported in CREATE DATABASE |
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return []; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function isInformationSchema(string $database) |
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{ |
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return ($database == "information_schema"); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function createDatabase(string $database, string $collation) |
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{ |
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$result = $this->driver->execute("CREATE DATABASE " . $this->driver->escapeId($database) . |
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($collation ? " ENCODING " . $this->driver->escapeId($collation) : "")); |
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return $result !== false; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function dropDatabase(string $database) |
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{ |
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// Cannot drop the connected database. |
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if ($this->driver->database() === $database) { |
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return false; |
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} |
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$result = $this->driver->execute('DROP DATABASE ' . $this->driver->escapeId($database)); |
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return $result !== false; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function renameDatabase(string $name, string $collation) |
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{ |
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//! current database cannot be renamed |
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$currName = $this->driver->escapeId($this->driver->database()); |
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$nextName = $this->driver->escapeId($name); |
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$result = $this->driver->execute("ALTER DATABASE $currName RENAME TO $nextName"); |
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return $result !== false; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function routineLanguages() |
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{ |
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return $this->driver->values("SELECT LOWER(lanname) FROM pg_catalog.pg_language"); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function variables() |
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{ |
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return $this->driver->keyValues("SHOW ALL"); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function processes() |
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{ |
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return $this->driver->rows("SELECT * FROM pg_stat_activity ORDER BY " . ($this->driver->minVersion(9.2) ? "pid" : "procpid")); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function processAttr(array $process, string $key, string $val): string |
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{ |
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if ($key == "current_query" && $val != "<IDLE>") { |
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return '<code>' . $this->util->shortenUtf8($val, 50) . '</code>' . $this->trans->lang('Clone'); |
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} |
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return parent::processAttr($process, $key, $val); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function statusVariables() |
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{ |
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} |
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/** |
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* @inheritDoc |
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*/ |
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// public function killProcess($val) |
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// { |
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// return $this->driver->execute("SELECT pg_terminate_backend(" . $this->util->number($val) . ")"); |
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// } |
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/** |
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* @inheritDoc |
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*/ |
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// public function connectionId() |
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// { |
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// return "SELECT pg_backend_pid()"; |
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// } |
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/** |
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* @inheritDoc |
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*/ |
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// public function maxConnections() |
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// { |
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// return $this->driver->result("SHOW max_connections"); |
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// } |
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} |
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lagdo /
dbadmin-driver-pgsql
