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<?php |
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namespace Lagdo\DbAdmin\Driver\MySql\Db; |
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use Lagdo\DbAdmin\Driver\Entity\TableFieldEntity; |
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use Lagdo\DbAdmin\Driver\Entity\TableSelectEntity; |
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use Lagdo\DbAdmin\Driver\Db\Grammar as AbstractGrammar; |
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class Grammar extends AbstractGrammar |
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{ |
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/** |
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* @inheritDoc |
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*/ |
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public function escapeId(string $idf) |
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{ |
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return "`" . str_replace("`", "``", $idf) . "`"; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function limit(string $query, string $where, int $limit, int $offset = 0, string $separator = " ") |
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{ |
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return " $query$where" . ($limit !== 0 ? $separator . "LIMIT $limit" . ($offset ? " OFFSET $offset" : "") : ""); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function autoIncrement() |
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{ |
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$autoIncrementIndex = " PRIMARY KEY"; |
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// don't overwrite primary key by auto increment |
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$query = $this->util->input(); |
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$table = $query->getTable(); |
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$fields = $query->getFields(); |
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$autoIncrementField = $query->getAutoIncrementField(); |
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if ($table != "" && $autoIncrementField) { |
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foreach ($this->driver->indexes($table) as $index) { |
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if (in_array($fields[$autoIncrementField]["orig"], $index->columns, true)) { |
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$autoIncrementIndex = ""; |
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break; |
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} |
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if ($index->type == "PRIMARY") { |
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$autoIncrementIndex = " UNIQUE"; |
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} |
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} |
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} |
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return " AUTO_INCREMENT$autoIncrementIndex"; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function buildSelectQuery(TableSelectEntity $select) |
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{ |
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$prefix = ''; |
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if (($select->page) && ($select->limit) && !empty($select->group) && |
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count($select->group) < count($select->fields)) { |
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$prefix = 'SQL_CALC_FOUND_ROWS '; |
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} |
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return $prefix . parent::buildSelectQuery($select); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function sqlForCreateTable(string $table, bool $autoIncrement, string $style) |
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{ |
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$query = $this->connection->result("SHOW CREATE TABLE " . $this->table($table), 1); |
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if (!$autoIncrement) { |
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$query = preg_replace('~ AUTO_INCREMENT=\d+~', '', $query); //! skip comments |
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} |
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return $query; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function sqlForTruncateTable(string $table) |
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{ |
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return "TRUNCATE " . $this->table($table); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function sqlForUseDatabase(string $database) |
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{ |
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return "USE " . $this->escapeId($database); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function sqlForCreateTrigger(string $table) |
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{ |
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$query = ""; |
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foreach ($this->driver->rows("SHOW TRIGGERS LIKE " . |
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$this->driver->quote(addcslashes($table, "%_\\")), null) as $row) { |
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$query .= "\nCREATE TRIGGER " . $this->escapeId($row["Trigger"]) . |
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" $row[Timing] $row[Event] ON " . $this->table($row["Table"]) . |
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" FOR EACH ROW\n$row[Statement];;\n"; |
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} |
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return $query; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function convertField(TableFieldEntity $field) |
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{ |
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if (preg_match("~binary~", $field->type)) { |
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return "HEX(" . $this->escapeId($field->name) . ")"; |
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} |
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if ($field->type == "bit") { |
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return "BIN(" . $this->escapeId($field->name) . " + 0)"; // + 0 is required outside MySQLnd |
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} |
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if (preg_match("~geometry|point|linestring|polygon~", $field->type)) { |
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return ($this->driver->minVersion(8) ? "ST_" : "") . "AsWKT(" . $this->escapeId($field->name) . ")"; |
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} |
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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 unconvertField(TableFieldEntity $field, string $value) |
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{ |
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if (preg_match("~binary~", $field->type)) { |
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$value = "UNHEX($value)"; |
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} |
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if ($field->type == "bit") { |
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$value = "CONV($value, 2, 10) + 0"; |
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} |
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if (preg_match("~geometry|point|linestring|polygon~", $field->type)) { |
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$value = ($this->driver->minVersion(8) ? "ST_" : "") . "GeomFromText($value, SRID($field[field]))"; |
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} |
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return $value; |
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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 CONNECTION_ID()"; |
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} |
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} |
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lagdo /
dbadmin-driver-mysql
