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76 lines
2.1 KiB
76 lines
2.1 KiB
<?php |
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/** |
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* This class is used to test database is well-constructed. |
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*/ |
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class FreshRSS_DatabaseDAOPGSQL extends FreshRSS_DatabaseDAOSQLite { |
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//PostgreSQL error codes |
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const UNDEFINED_COLUMN = '42703'; |
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const UNDEFINED_TABLE = '42P01'; |
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public function tablesAreCorrect() { |
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$db = FreshRSS_Context::$system_conf->db; |
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$dbowner = $db['user']; |
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$sql = 'SELECT * FROM pg_catalog.pg_tables where tableowner=?'; |
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$stm = $this->bd->prepare($sql); |
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$values = array($dbowner); |
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$stm->execute($values); |
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$res = $stm->fetchAll(PDO::FETCH_ASSOC); |
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$tables = array( |
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$this->prefix . 'category' => false, |
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$this->prefix . 'feed' => false, |
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$this->prefix . 'entry' => false, |
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$this->prefix . 'entrytmp' => false, |
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$this->prefix . 'tag' => false, |
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$this->prefix . 'entrytag' => false, |
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); |
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foreach ($res as $value) { |
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$tables[array_pop($value)] = true; |
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} |
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return count(array_keys($tables, true, true)) == count($tables); |
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} |
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public function getSchema($table) { |
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$sql = 'select column_name as field, data_type as type, column_default as default, is_nullable as null from INFORMATION_SCHEMA.COLUMNS where table_name = ?'; |
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$stm = $this->bd->prepare($sql); |
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$stm->execute(array($this->prefix . $table)); |
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return $this->listDaoToSchema($stm->fetchAll(PDO::FETCH_ASSOC)); |
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} |
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public function daoToSchema($dao) { |
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return array( |
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'name' => $dao['field'], |
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'type' => strtolower($dao['type']), |
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'notnull' => (bool)$dao['null'], |
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'default' => $dao['default'], |
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); |
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} |
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public function size($all = true) { |
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$db = FreshRSS_Context::$system_conf->db; |
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$sql = 'SELECT pg_size_pretty(pg_database_size(?))'; |
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$values = array($db['base']); |
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$stm = $this->bd->prepare($sql); |
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$stm->execute($values); |
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$res = $stm->fetchAll(PDO::FETCH_COLUMN, 0); |
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return $res[0]; |
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} |
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public function optimize() { |
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$ok = true; |
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$tables = array('category', 'feed', 'entry', 'entrytmp', 'tag', 'entrytag'); |
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foreach ($tables as $table) { |
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$sql = 'VACUUM `' . $this->prefix . $table . '`'; |
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$stm = $this->bd->prepare($sql); |
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$ok &= $stm != false; |
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if ($stm) { |
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$ok &= $stm->execute(); |
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} |
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} |
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return $ok; |
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} |
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}
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