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<?php |
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namespace Lagdo\DbAdmin\Driver\Sqlite\Db; |
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use Lagdo\DbAdmin\Driver\Entity\TableEntity; |
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use Lagdo\DbAdmin\Driver\Entity\TriggerEntity; |
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use function strtoupper; |
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use function preg_match; |
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use function implode; |
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trait TableTrait |
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{ |
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/** |
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* @param string $table |
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* |
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* @return array |
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*/ |
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private function queryStatus(string $table = '') |
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{ |
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$query = "SELECT name AS Name, type AS Engine, 'rowid' AS Oid, '' AS Auto_increment " . |
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"FROM sqlite_master WHERE type IN ('table', 'view') " . |
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($table != "" ? "AND name = " . $this->driver->quote($table) : "ORDER BY name"); |
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return $this->driver->rows($query); |
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} |
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/** |
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* @param array $row |
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* |
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* @return TableEntity |
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*/ |
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private function makeStatus(array $row) |
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{ |
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$status = new TableEntity($row['Name']); |
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$status->engine = $row['Engine']; |
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$status->oid = $row['Oid']; |
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// $status->Auto_increment = $row['Auto_increment']; |
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$query = 'SELECT COUNT(*) FROM ' . $this->driver->escapeId($row['Name']); |
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$status->rows = $this->connection->result($query); |
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return $status; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function tableStatus(string $table, bool $fast = false) |
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{ |
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$rows = $this->queryStatus($table); |
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if (!($row = reset($rows))) { |
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return null; |
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} |
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return $this->makeStatus($row); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function tableStatuses(bool $fast = false) |
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{ |
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$tables = []; |
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$rows = $this->queryStatus(); |
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foreach ($rows as $row) { |
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$tables[$row['Name']] = $this->makeStatus($row); |
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} |
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return $tables; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function tableNames() |
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{ |
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$tables = []; |
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$rows = $this->queryStatus(); |
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foreach ($rows as $row) { |
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$tables[] = $row['Name']; |
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} |
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return $tables; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function triggerOptions() |
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{ |
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return [ |
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"Timing" => ["BEFORE", "AFTER", "INSTEAD OF"], |
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"Event" => ["INSERT", "UPDATE", "UPDATE OF", "DELETE"], |
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"Type" => ["FOR EACH ROW"], |
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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 trigger(string $name, string $table = '') |
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{ |
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if ($name == "") { |
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return new TriggerEntity('', '', "BEGIN\n\t;\nEND"); |
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} |
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$idf = '(?:[^`"\s]+|`[^`]*`|"[^"]*")+'; |
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$options = $this->triggerOptions(); |
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preg_match("~^CREATE\\s+TRIGGER\\s*$idf\\s*(" . implode("|", $options["Timing"]) . |
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")\\s+([a-z]+)(?:\\s+OF\\s+($idf))?\\s+ON\\s*$idf\\s*(?:FOR\\s+EACH\\s+ROW\\s)?(.*)~is", |
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$this->connection->result("SELECT sql FROM sqlite_master WHERE type = 'trigger' AND name = " . |
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$this->driver->quote($name)), $match); |
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$of = $match[3]; |
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return new TriggerEntity(strtoupper($match[1]), strtoupper($match[2]), $match[4], |
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($of[0] == '`' || $of[0] == '"' ? $this->driver->unescapeId($of) : $of), $name); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function triggers(string $table) |
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{ |
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$triggers = []; |
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$options = $this->triggerOptions(); |
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$query = "SELECT * FROM sqlite_master WHERE type = 'trigger' AND tbl_name = " . $this->driver->quote($table); |
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foreach ($this->driver->rows($query) as $row) { |
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preg_match('~^CREATE\s+TRIGGER\s*(?:[^`"\s]+|`[^`]*`|"[^"]*")+\s*(' . |
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implode("|", $options["Timing"]) . ')\s*(.*?)\s+ON\b~i', $row["sql"], $match); |
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$triggers[$row["name"]] = new TriggerEntity($match[1], $match[2], '', '', $row["name"]); |
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} |
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return $triggers; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function tableHelp(string $name) |
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{ |
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if ($name == "sqlite_sequence") { |
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return "fileformat2.html#seqtab"; |
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} |
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if ($name == "sqlite_master") { |
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return "fileformat2.html#$name"; |
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} |
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} |
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} |
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lagdo /
dbadmin-driver-sqlite
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