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<?php |
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/** |
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* @author Todd Burry <[email protected]> |
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* @copyright 2009-2014 Vanilla Forums Inc. |
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* @license MIT |
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*/ |
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namespace Garden\Db\Drivers; |
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use Garden\Db\Db; |
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use Garden\Db\Identifier; |
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use Garden\Db\Literal; |
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use PDO; |
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/** |
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* A {@link Db} class for connecting to MySQL. |
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*/ |
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class MySqlDb extends Db { |
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const MYSQL_DATE_FORMAT = 'Y-m-d H:i:s'; |
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/** |
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* @var string |
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*/ |
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protected $dbname; |
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protected static $map = [ |
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Db::OP_GT => '>', |
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Db::OP_GTE => '>=', |
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Db::OP_LT => '<', |
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Db::OP_LTE => '<=', |
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Db::OP_LIKE => 'like', |
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Db::OP_AND => 'and', |
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Db::OP_OR => 'or', |
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]; |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function dropTableDb($table, array $options = []) { |
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$sql = 'drop table '. |
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($options[Db::OPTION_IGNORE] ? 'if exists ' : ''). |
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$this->prefixTable($table); |
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$this->queryDefine($sql); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function fetchTableDefDb($table) { |
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$columns = $this->fetchColumnDefsDb($table); |
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if (empty($columns)) { |
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// A table with no columns does not exist. |
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return null; |
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} |
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$indexes = $this->fetchIndexesDb($table); |
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$tableDef = [ |
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'name' => $table, |
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'columns' => $columns, |
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'indexes' => $indexes |
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]; |
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return $tableDef; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function fetchColumnDefsDb($table) { |
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$rows = $this->get( |
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new Identifier('information_schema', 'COLUMNS'), |
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[ |
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'TABLE_SCHEMA' => $this->getDbName(), |
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'TABLE_NAME' => $this->prefixTable($table, false) |
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], |
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[ |
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Db::OPTION_FETCH_MODE => PDO::FETCH_ASSOC, |
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'order' => ['TABLE_NAME', 'ORDINAL_POSITION'] |
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] |
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); |
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$columns = []; |
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foreach ($rows as $row) { |
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$columnType = $row['COLUMN_TYPE']; |
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if ($columnType === 'tinyint(1)') { |
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$columnType = 'bool'; |
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} |
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$column = Db::typeDef($columnType); |
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if ($column === null) { |
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throw new \Exception("Unknown type '$columnType'.", 500); |
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} |
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$column['allowNull'] = strcasecmp($row['IS_NULLABLE'], 'YES') === 0; |
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if (($default = $row['COLUMN_DEFAULT']) !== null) { |
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$column['default'] = $this->forceType($default, $column['type']); |
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} |
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if ($row['EXTRA'] === 'auto_increment') { |
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$column['autoIncrement'] = true; |
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} |
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if ($row['COLUMN_KEY'] === 'PRI') { |
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$column['primary'] = true; |
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} |
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$columns[$row['COLUMN_NAME']] = $column; |
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} |
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return $columns; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function get($table, array $where, array $options = []) { |
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$sql = $this->buildSelect($table, $where, $options); |
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$result = $this->query($sql, [], $options); |
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return $result; |
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} |
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/** |
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* Build a sql select statement. |
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* |
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* @param string|Identifier $table The name of the main table. |
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* @param array $where The where filter. |
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* @param array $options An array of additional query options. |
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* @return string Returns the select statement as a string. |
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* @see Db::get() |
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*/ |
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protected function buildSelect($table, array $where, array $options = []) { |
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$options += ['limit' => 0]; |
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$sql = ''; |
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// Build the select clause. |
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if (!empty($options['columns'])) { |
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$columns = array(); |
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foreach ($options['columns'] as $value) { |
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$columns[] = $this->escape($value); |
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} |
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$sql .= 'select '.implode(', ', $columns); |
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} else { |
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$sql .= "select *"; |
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} |
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// Build the from clause. |
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if ($table instanceof Literal) { |
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$table = $table->getValue($this); |
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} else { |
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$table = $this->prefixTable($table); |
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} |
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$sql .= "\nfrom $table"; |
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// Build the where clause. |
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$whereString = $this->buildWhere($where, Db::OP_AND); |
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if ($whereString) { |
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$sql .= "\nwhere ".$whereString; |
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} |
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// Build the order. |
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if (!empty($options['order'])) { |
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$orders = []; |
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foreach ($options['order'] as $column) { |
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if ($column[0] === '-') { |
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$order = $this->escape(substr($column, 1)).' desc'; |
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} else { |
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$order = $this->escape($column); |
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} |
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$orders[] = $order; |
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} |
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$sql .= "\norder by ".implode(', ', $orders); |
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} |
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// Build the limit, offset. |
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if (!empty($options['limit'])) { |
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$limit = (int)$options['limit']; |
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$sql .= "\nlimit $limit"; |
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} |
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if (!empty($options['offset'])) { |
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$sql .= ' offset '.((int)$options['offset']); |
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} elseif (isset($options['page'])) { |
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$offset = $options['limit'] * ($options['page'] - 1); |
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$sql .= ' offset '.$offset; |
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} |
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return $sql; |
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} |
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/** |
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* Build a where clause from a where array. |
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* |
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* @param array $where There where string. |
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* This is an array in the form `['column' => 'value']` with more advanced options for non-equality comparisons. |
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* @param string $op The logical operator to join multiple field comparisons. |
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* @return string The where string. |
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*/ |
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protected function buildWhere($where, $op = Db::OP_AND) { |
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$map = static::$map; |
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$strop = $map[$op]; |
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$result = ''; |
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foreach ($where as $column => $value) { |
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$btcolumn = $this->escape($column); |
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if (is_array($value)) { |
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if (is_numeric($column)) { |
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// This is a bracketed expression. |
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$result .= (empty($result) ? '' : "\n $strop "). |
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"(\n ". |
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$this->buildWhere($value, $op). |
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"\n )"; |
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} elseif (in_array($column, [Db::OP_AND, Db::OP_OR])) { |
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// This is an AND/OR expression. |
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$result .= (empty($result) ? '' : "\n $strop "). |
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"(\n ". |
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$this->buildWhere($value, $column). |
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"\n )"; |
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} else { |
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if (isset($value[0])) { |
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// This is a short in syntax. |
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$value = [Db::OP_IN => $value]; |
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} |
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foreach ($value as $vop => $rval) { |
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if ($result) { |
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$result .= "\n $strop "; |
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} |
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switch ($vop) { |
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case Db::OP_AND: |
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case Db::OP_OR: |
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if (is_numeric($column)) { |
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$innerWhere = $rval; |
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} else { |
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$innerWhere = [$column => $rval]; |
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} |
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$result .= "(\n ". |
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$this->buildWhere($innerWhere, $vop). |
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"\n )"; |
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break; |
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case Db::OP_EQ: |
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if ($rval === null) { |
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$result .= "$btcolumn is null"; |
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} elseif (is_array($rval)) { |
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$result .= "$btcolumn in ".$this->bracketList($rval); |
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} else { |
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$result .= "$btcolumn = ".$this->quote($rval); |
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} |
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break; |
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22 |
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case Db::OP_GT: |
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22 |
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case Db::OP_GTE: |
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case Db::OP_LT: |
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case Db::OP_LTE: |
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$result .= "$btcolumn {$map[$vop]} ".$this->quote($rval); |
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break; |
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case Db::OP_LIKE: |
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$result .= $this->buildLike($btcolumn, $rval); |
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break; |
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10 |
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case Db::OP_IN: |
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// Quote the in values. |
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4 |
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$rval = array_map([$this, 'quote'], (array)$rval); |
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4 |
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$result .= "$btcolumn in (".implode(', ', $rval).')'; |
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4 |
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break; |
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6 |
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case Db::OP_NEQ: |
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6 |
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if ($rval === null) { |
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2 |
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$result .= "$btcolumn is not null"; |
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6 |
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} elseif (is_array($rval)) { |
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2 |
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$result .= "$btcolumn not in ".$this->bracketList($rval); |
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2 |
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} else { |
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2 |
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$result .= "$btcolumn <> ".$this->quote($rval); |
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} |
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6 |
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break; |
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} |
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279
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26 |
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} |
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280
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} |
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281
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30 |
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} else { |
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282
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25 |
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if ($result) { |
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283
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9 |
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$result .= "\n $strop "; |
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284
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9 |
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} |
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285
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286
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// This is just an equality operator. |
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25 |
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if ($value === null) { |
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2 |
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$result .= "$btcolumn is null"; |
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2 |
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} else { |
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290
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23 |
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$result .= "$btcolumn = ".$this->quote($value); |
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291
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} |
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292
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} |
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293
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78 |
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} |
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294
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78 |
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return $result; |
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295
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} |
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296
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297
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/** |
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298
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* Build a like expression. |
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299
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* |
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300
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* @param string $column The column name. |
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301
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* @param mixed $value The right-hand value. |
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302
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* @return string Returns the like expression. |
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303
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* @internal param bool $quotevals Whether or not to quote the values. |
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304
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*/ |
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305
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protected function buildLike($column, $value) { |
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306
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return "$column like ".$this->quote($value); |
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307
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} |
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308
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309
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/** |
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310
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* Convert an array into a bracketed list suitable for MySQL clauses. |
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311
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* |
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312
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* @param array $row The row to expand. |
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313
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* @param string $quote The quotes to surroud the items with. There are two special cases. |
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314
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* ' (single quote) |
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315
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* : The row will be passed through {@link PDO::quote()}. |
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316
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* ` (backticks) |
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317
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* : The row will be passed through {@link MySqlDb::backtick()}. |
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318
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* @return string Returns the bracket list. |
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319
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*/ |
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320
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72 |
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public function bracketList($row, $quote = "'") { |
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321
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switch ($quote) { |
|
322
|
72 |
|
case "'": |
|
323
|
59 |
|
$row = array_map([$this, 'quote'], $row); |
|
|
|
|
|
|
324
|
59 |
|
$quote = ''; |
|
325
|
59 |
|
break; |
|
326
|
72 |
|
case '`': |
|
327
|
72 |
|
$row = array_map([$this, 'escape'], $row); |
|
|
|
|
|
|
328
|
72 |
|
$quote = ''; |
|
329
|
72 |
|
break; |
|
330
|
|
|
} |
|
331
|
|
|
|
|
332
|
72 |
|
return "($quote".implode("$quote, $quote", $row)."$quote)"; |
|
333
|
|
|
} |
|
334
|
|
|
|
|
335
|
|
|
|
|
336
|
|
|
/** |
|
337
|
|
|
* Get the current database name. |
|
338
|
|
|
* |
|
339
|
|
|
* @return mixed |
|
340
|
|
|
*/ |
|
341
|
5 |
|
private function getDbName() { |
|
342
|
5 |
|
if (!isset($this->dbname)) { |
|
343
|
|
|
$this->dbname = $this->getPDO()->query('select database()')->fetchColumn(); |
|
344
|
|
|
} |
|
345
|
5 |
|
return $this->dbname; |
|
346
|
|
|
} |
|
347
|
|
|
|
|
348
|
|
|
/** |
|
349
|
|
|
* {@inheritdoc} |
|
350
|
|
|
*/ |
|
351
|
17 |
|
protected function nativeDbType(array $type) { |
|
352
|
17 |
|
static $translations = ['bool' => 'tinyint(1)', 'byte' => 'tinyint', 'short' => 'smallint', 'long' => 'bigint']; |
|
353
|
|
|
|
|
354
|
|
|
// Translate the dbtype to a MySQL native type. |
|
355
|
17 |
|
if (isset($translations[$type['dbtype']])) { |
|
356
|
1 |
|
$type['dbtype'] = $translations[$type['dbtype']]; |
|
357
|
1 |
|
} |
|
358
|
|
|
|
|
359
|
|
|
// Unsigned is represented differently in MySQL. |
|
360
|
17 |
|
$unsigned = !empty($type['unsigned']); |
|
361
|
17 |
|
unset ($type['unsigned']); |
|
362
|
|
|
|
|
363
|
17 |
|
$dbType = static::dbType($type).($unsigned ? ' unsigned' : ''); |
|
364
|
|
|
|
|
365
|
17 |
|
return $dbType; |
|
366
|
|
|
} |
|
367
|
|
|
|
|
368
|
|
|
/** |
|
369
|
|
|
* Parse a column type string and return it in a way that is suitable for a create/alter table statement. |
|
370
|
|
|
* |
|
371
|
|
|
* @param string $typeString The string to parse. |
|
372
|
|
|
* @return string Returns a canonical string. |
|
|
|
|
|
|
373
|
|
|
*/ |
|
374
|
|
|
protected function columnTypeString($typeString) { |
|
375
|
|
|
$type = null; |
|
376
|
|
|
|
|
377
|
|
|
if (substr($typeString, 0, 4) === 'enum') { |
|
378
|
|
|
// This is an enum which will come in as an array. |
|
379
|
|
|
if (preg_match_all("`'([^']+)'`", $typeString, $matches)) { |
|
380
|
|
|
$type = $matches[1]; |
|
381
|
|
|
} |
|
382
|
|
|
} else { |
|
383
|
|
|
if (preg_match('`([a-z]+)\s*(?:\((\d+(?:\s*,\s*\d+)*)\))?\s*(unsigned)?`', $typeString, $matches)) { |
|
384
|
|
|
// var_dump($matches); |
|
|
|
|
|
|
385
|
|
|
$str = $matches[1]; |
|
|
|
|
|
|
386
|
|
|
$length = self::val(2, $matches); |
|
|
|
|
|
|
387
|
|
|
$unsigned = self::val(3, $matches); |
|
388
|
|
|
|
|
389
|
|
|
if (substr($str, 0, 1) == 'u') { |
|
390
|
|
|
$unsigned = true; |
|
391
|
|
|
$str = substr($str, 1); |
|
|
|
|
|
|
392
|
|
|
} |
|
393
|
|
|
|
|
394
|
|
|
// Remove the length from types without real lengths. |
|
395
|
|
|
if (in_array($str, array('tinyint', 'smallint', 'mediumint', 'int', 'bigint', 'float', 'double'))) { |
|
396
|
|
|
$length = null; |
|
397
|
|
|
} |
|
398
|
|
|
|
|
399
|
|
|
$type = $str; |
|
400
|
|
|
if ($length) { |
|
401
|
|
|
$length = str_replace(' ', '', $length); |
|
402
|
|
|
$type .= "($length)"; |
|
|
|
|
|
|
403
|
|
|
} |
|
404
|
|
|
if ($unsigned) { |
|
405
|
|
|
$type .= ' unsigned'; |
|
406
|
|
|
} |
|
407
|
|
|
} |
|
408
|
|
|
} |
|
409
|
|
|
|
|
410
|
|
|
if (!$type) { |
|
411
|
|
|
debug_print_backtrace(); |
|
412
|
|
|
trigger_error("Couldn't parse type $typeString", E_USER_ERROR); |
|
413
|
|
|
} |
|
414
|
|
|
|
|
415
|
|
|
return $type; |
|
416
|
|
|
} |
|
417
|
|
|
|
|
418
|
|
|
/** |
|
419
|
|
|
* Get the indexes from the database. |
|
420
|
|
|
* |
|
421
|
|
|
* @param string $table The name of the table to get the indexes for. |
|
422
|
|
|
* @return array|null |
|
423
|
|
|
*/ |
|
424
|
4 |
|
protected function fetchIndexesDb($table = '') { |
|
425
|
4 |
|
$stm = $this->get( |
|
|
|
|
|
|
426
|
4 |
|
new Identifier('information_schema', 'STATISTICS'), |
|
427
|
|
|
[ |
|
428
|
4 |
|
'TABLE_SCHEMA' => $this->getDbName(), |
|
429
|
4 |
|
'TABLE_NAME' => $this->prefixTable($table, false) |
|
430
|
4 |
|
], |
|
431
|
|
|
[ |
|
432
|
|
|
'columns' => [ |
|
433
|
4 |
|
'INDEX_NAME', |
|
434
|
4 |
|
'COLUMN_NAME', |
|
435
|
|
|
'NON_UNIQUE' |
|
436
|
4 |
|
], |
|
437
|
4 |
|
'order' => ['INDEX_NAME', 'SEQ_IN_INDEX'] |
|
438
|
4 |
|
] |
|
439
|
4 |
|
); |
|
440
|
4 |
|
$indexRows = $stm->fetchAll(PDO::FETCH_ASSOC | PDO::FETCH_GROUP); |
|
441
|
|
|
|
|
442
|
4 |
|
$indexes = []; |
|
443
|
4 |
|
foreach ($indexRows as $indexName => $columns) { |
|
444
|
|
|
$index = [ |
|
445
|
4 |
|
'type' => null, |
|
446
|
4 |
|
'columns' => array_column($columns, 'COLUMN_NAME'), |
|
447
|
|
|
'name' => $indexName |
|
448
|
4 |
|
]; |
|
449
|
|
|
|
|
450
|
4 |
|
if ($indexName === 'PRIMARY') { |
|
451
|
2 |
|
$index['type'] = Db::INDEX_PK; |
|
452
|
2 |
|
} else { |
|
453
|
2 |
|
$index['type'] = $columns[0]['NON_UNIQUE'] ? Db::INDEX_IX : Db::INDEX_UNIQUE; |
|
454
|
|
|
} |
|
455
|
4 |
|
$indexes[] = $index; |
|
456
|
4 |
|
} |
|
457
|
|
|
|
|
458
|
4 |
|
return $indexes; |
|
459
|
|
|
} |
|
460
|
|
|
|
|
461
|
|
|
/** |
|
462
|
|
|
* {@inheritdoc} |
|
463
|
|
|
*/ |
|
464
|
|
|
protected function fetchTableNamesDb() { |
|
465
|
|
|
// Get the table names. |
|
466
|
|
|
$tables = $this->get( |
|
467
|
|
|
new Identifier('information_schema', 'TABLES'), |
|
468
|
|
|
[ |
|
469
|
|
|
'TABLE_SCHEMA' => $this->getDbName(), |
|
470
|
|
|
'TABLE_NAME' => [Db::OP_LIKE => $this->escapeLike($this->getPx()).'%'] |
|
471
|
|
|
], |
|
472
|
|
|
[ |
|
473
|
|
|
'columns' => ['TABLE_NAME'], |
|
474
|
|
|
'fetchMode' => PDO::FETCH_ASSOC |
|
475
|
|
|
] |
|
476
|
|
|
); |
|
477
|
|
|
|
|
478
|
|
|
return $tables->fetchAll(PDO::FETCH_COLUMN); |
|
479
|
|
|
} |
|
480
|
|
|
|
|
481
|
|
|
/** |
|
482
|
|
|
* {@inheritdoc} |
|
483
|
|
|
*/ |
|
484
|
15 |
|
public function insert($table, array $row, array $options = []) { |
|
485
|
15 |
|
$sql = $this->buildInsert($table, $row, $options); |
|
486
|
15 |
|
$id = $this->queryID($sql, [], $options); |
|
|
|
|
|
|
487
|
15 |
|
if (is_numeric($id)) { |
|
488
|
15 |
|
return (int)$id; |
|
489
|
|
|
} else { |
|
490
|
|
|
return $id; |
|
491
|
|
|
} |
|
492
|
|
|
} |
|
493
|
|
|
|
|
494
|
|
|
/** |
|
495
|
|
|
* Build an insert statement. |
|
496
|
|
|
* |
|
497
|
|
|
* @param string|Identifier $table The name of the table to insert to. |
|
498
|
|
|
* @param array $row The row to insert. |
|
499
|
|
|
* @param array $options An array of options for the insert. See {@link Db::insert} for the options. |
|
500
|
|
|
* @return string Returns the the sql string of the insert statement. |
|
501
|
|
|
*/ |
|
502
|
32 |
|
protected function buildInsert($table, array $row, $options = []) { |
|
503
|
32 |
|
if (self::val(Db::OPTION_UPSERT, $options)) { |
|
504
|
2 |
|
return $this->buildUpsert($table, $row, $options); |
|
|
|
|
|
|
505
|
32 |
|
} elseif (self::val(Db::OPTION_IGNORE, $options)) { |
|
506
|
2 |
|
$sql = 'insert ignore '; |
|
507
|
32 |
|
} elseif (self::val(Db::OPTION_REPLACE, $options)) { |
|
508
|
2 |
|
$sql = 'replace '; |
|
509
|
2 |
|
} else { |
|
510
|
30 |
|
$sql = 'insert '; |
|
511
|
|
|
} |
|
512
|
32 |
|
$sql .= $this->prefixTable($table); |
|
513
|
|
|
|
|
514
|
|
|
// Add the list of values. |
|
515
|
|
|
$sql .= |
|
516
|
32 |
|
"\n".$this->bracketList(array_keys($row), '`'). |
|
517
|
32 |
|
"\nvalues".$this->bracketList($row, "'"); |
|
518
|
|
|
|
|
519
|
32 |
|
return $sql; |
|
520
|
|
|
} |
|
521
|
|
|
|
|
522
|
|
|
/** |
|
523
|
|
|
* Build an upsert statement. |
|
524
|
|
|
* |
|
525
|
|
|
* An upsert statement is an insert on duplicate key statement in MySQL. |
|
526
|
|
|
* |
|
527
|
|
|
* @param string $table The name of the table to update. |
|
528
|
|
|
* @param array $row The row to insert or update. |
|
529
|
|
|
* @param array $options An array of additional query options. |
|
530
|
|
|
* @return string Returns the upsert statement as a string. |
|
531
|
|
|
*/ |
|
532
|
2 |
|
protected function buildUpsert($table, array $row, $options = []) { |
|
533
|
|
|
// Build the initial insert statement first. |
|
534
|
2 |
|
unset($options[Db::OPTION_UPSERT]); |
|
535
|
2 |
|
$sql = $this->buildInsert($table, $row, $options); |
|
536
|
|
|
|
|
537
|
|
|
// Add the duplicate key stuff. |
|
538
|
2 |
|
$updates = []; |
|
539
|
2 |
|
foreach ($row as $key => $value) { |
|
540
|
2 |
|
$updates[] = $this->escape($key).' = values('.$this->escape($key).')'; |
|
541
|
2 |
|
} |
|
542
|
2 |
|
$sql .= "\non duplicate key update ".implode(', ', $updates); |
|
543
|
|
|
|
|
544
|
2 |
|
return $sql; |
|
545
|
|
|
} |
|
546
|
|
|
|
|
547
|
|
|
/** |
|
548
|
|
|
* {@inheritdoc} |
|
549
|
|
|
*/ |
|
550
|
54 |
|
public function load($table, $rows, array $options = []) { |
|
551
|
54 |
|
$count = 0; |
|
552
|
54 |
|
$first = true; |
|
553
|
54 |
|
$spec = []; |
|
|
|
|
|
|
554
|
54 |
|
$stmt = null; |
|
|
|
|
|
|
555
|
|
|
|
|
556
|
|
|
// Loop over the rows and insert them with the statement. |
|
557
|
54 |
|
foreach ($rows as $row) { |
|
558
|
44 |
|
if ($first) { |
|
559
|
|
|
// Build the insert statement from the first row. |
|
560
|
44 |
|
foreach ($row as $key => $value) { |
|
561
|
44 |
|
$spec[$key] = new Literal($this->paramName($key)); |
|
562
|
44 |
|
} |
|
563
|
|
|
|
|
564
|
44 |
|
$sql = $this->buildInsert($table, $spec, $options); |
|
|
|
|
|
|
565
|
44 |
|
$stmt = $this->getPDO()->prepare($sql); |
|
|
|
|
|
|
566
|
44 |
|
$first = false; |
|
567
|
44 |
|
} |
|
568
|
|
|
|
|
569
|
44 |
|
$stmt->execute($row); |
|
570
|
44 |
|
$count += $stmt->rowCount(); |
|
571
|
54 |
|
} |
|
572
|
|
|
|
|
573
|
54 |
|
return $count; |
|
574
|
|
|
} |
|
575
|
|
|
|
|
576
|
|
|
/** |
|
577
|
|
|
* Make a valid PDO parameter name from a string. |
|
578
|
|
|
* |
|
579
|
|
|
* This method replaces invalid placeholder characters with underscores. |
|
580
|
|
|
* |
|
581
|
|
|
* @param string $name The name to replace. |
|
582
|
|
|
* @return string |
|
583
|
|
|
*/ |
|
584
|
44 |
|
protected function paramName($name) { |
|
585
|
44 |
|
$result = ':'.preg_replace('`[^a-zA-Z0-9_]`', '_', $name); |
|
586
|
44 |
|
return $result; |
|
587
|
|
|
} |
|
588
|
|
|
|
|
589
|
|
|
/** |
|
590
|
|
|
* {@inheritdoc} |
|
591
|
|
|
*/ |
|
592
|
6 |
|
public function update($table, array $set, array $where, array $options = []) { |
|
593
|
6 |
|
$sql = $this->buildUpdate($table, $set, $where, $options); |
|
|
|
|
|
|
594
|
6 |
|
$result = $this->queryModify($sql, [], $options); |
|
595
|
|
|
|
|
596
|
6 |
|
return $result; |
|
597
|
|
|
} |
|
598
|
|
|
|
|
599
|
|
|
/** |
|
600
|
|
|
* Build a sql update statement. |
|
601
|
|
|
* |
|
602
|
|
|
* @param string|Identifier $table The name of the table to update. |
|
603
|
|
|
* @param array $set An array of columns to set. |
|
604
|
|
|
* @param array $where The where filter. |
|
605
|
|
|
* @param array $options Additional options for the query. |
|
606
|
|
|
* @return string Returns the update statement as a string. |
|
607
|
|
|
*/ |
|
608
|
2 |
|
protected function buildUpdate($table, array $set, array $where, array $options = []) { |
|
609
|
|
|
$sql = 'update '. |
|
610
|
2 |
|
(self::val(Db::OPTION_IGNORE, $options) ? 'ignore ' : ''). |
|
611
|
2 |
|
$this->prefixTable($table). |
|
612
|
2 |
|
"\nset\n "; |
|
613
|
|
|
|
|
614
|
2 |
|
$parts = []; |
|
615
|
2 |
|
foreach ($set as $key => $value) { |
|
616
|
2 |
|
$quotedKey = $this->escape($key); |
|
617
|
|
|
|
|
618
|
2 |
|
$parts[] = $quotedKey.' = '.$this->quote($value); |
|
619
|
2 |
|
} |
|
620
|
2 |
|
$sql .= implode(",\n ", $parts); |
|
621
|
|
|
|
|
622
|
2 |
|
if (!empty($where)) { |
|
623
|
2 |
|
$sql .= "\nwhere ".$this->buildWhere($where, Db::OP_AND); |
|
624
|
2 |
|
} |
|
625
|
|
|
|
|
626
|
2 |
|
return $sql; |
|
627
|
|
|
} |
|
628
|
|
|
|
|
629
|
|
|
/** |
|
630
|
|
|
* {@inheritdoc} |
|
631
|
|
|
*/ |
|
632
|
30 |
|
public function delete($table, array $where, array $options = []) { |
|
633
|
30 |
|
if (self::val(Db::OPTION_TRUNCATE, $options)) { |
|
634
|
|
|
if (!empty($where)) { |
|
635
|
|
|
throw new \InvalidArgumentException("You cannot truncate $table with a where filter.", 500); |
|
636
|
|
|
} |
|
637
|
|
|
$sql = 'truncate table '.$this->prefixTable($table); |
|
638
|
|
|
} else { |
|
639
|
30 |
|
$sql = 'delete from '.$this->prefixTable($table); |
|
640
|
|
|
|
|
641
|
30 |
|
if (!empty($where)) { |
|
642
|
|
|
$sql .= "\nwhere ".$this->buildWhere($where); |
|
643
|
|
|
} |
|
644
|
|
|
} |
|
645
|
30 |
|
return $this->queryModify($sql, [], $options); |
|
646
|
|
|
} |
|
647
|
|
|
|
|
648
|
|
|
/** |
|
649
|
|
|
* {@inheritdoc} |
|
650
|
|
|
*/ |
|
651
|
17 |
|
protected function createTableDb(array $tableDef, array $options = []) { |
|
652
|
17 |
|
$table = $tableDef['name']; |
|
653
|
|
|
|
|
654
|
|
|
// The table doesn't exist so this is a create table. |
|
655
|
17 |
|
$parts = array(); |
|
656
|
17 |
|
foreach ($tableDef['columns'] as $name => $cdef) { |
|
657
|
17 |
|
$parts[] = $this->columnDefString($name, $cdef); |
|
658
|
17 |
|
} |
|
659
|
|
|
|
|
660
|
17 |
|
foreach (self::val('indexes', $tableDef, []) as $index) { |
|
661
|
17 |
|
$indexDef = $this->indexDefString($table, $index); |
|
662
|
17 |
|
if (!empty($indexDef)) { |
|
663
|
16 |
|
$parts[] = $indexDef; |
|
664
|
16 |
|
} |
|
665
|
17 |
|
} |
|
666
|
|
|
|
|
667
|
17 |
|
$tableName = $this->prefixTable($table); |
|
668
|
17 |
|
$sql = "create table $tableName (\n ". |
|
|
|
|
|
|
669
|
17 |
|
implode(",\n ", $parts). |
|
670
|
17 |
|
"\n)"; |
|
671
|
|
|
|
|
672
|
17 |
|
if (self::val('collate', $options)) { |
|
673
|
|
|
$sql .= "\n collate {$options['collate']}"; |
|
674
|
|
|
} |
|
675
|
|
|
|
|
676
|
17 |
|
$this->queryDefine($sql, $options); |
|
677
|
17 |
|
} |
|
678
|
|
|
|
|
679
|
|
|
/** |
|
680
|
|
|
* Construct a column definition string from an array defintion. |
|
681
|
|
|
* |
|
682
|
|
|
* @param string $name The name of the column. |
|
683
|
|
|
* @param array $cdef The column definition. |
|
684
|
|
|
* @return string Returns a string representing the column definition. |
|
685
|
|
|
*/ |
|
686
|
17 |
|
protected function columnDefString($name, array $cdef) { |
|
687
|
17 |
|
$result = $this->escape($name).' '.$this->nativeDbType($cdef); |
|
688
|
|
|
|
|
689
|
17 |
|
if (!self::val('allowNull', $cdef)) { |
|
690
|
16 |
|
$result .= ' not null'; |
|
691
|
16 |
|
} |
|
692
|
|
|
|
|
693
|
17 |
|
if (isset($cdef['default'])) { |
|
694
|
14 |
|
$result .= ' default '.$this->quote($cdef['default']); |
|
695
|
14 |
|
} |
|
696
|
|
|
|
|
697
|
17 |
|
if (self::val('autoIncrement', $cdef)) { |
|
698
|
10 |
|
$result .= ' auto_increment'; |
|
699
|
10 |
|
} |
|
700
|
|
|
|
|
701
|
17 |
|
return $result; |
|
702
|
|
|
} |
|
703
|
|
|
|
|
704
|
|
|
/** |
|
705
|
|
|
* Return the SDL string that defines an index. |
|
706
|
|
|
* |
|
707
|
|
|
* @param string $table The name of the table that the index is on. |
|
708
|
|
|
* @param array $def The index definition. This definition should have the following keys. |
|
709
|
|
|
* |
|
710
|
|
|
* columns |
|
711
|
|
|
* : An array of columns in the index. |
|
712
|
|
|
* type |
|
713
|
|
|
* : One of "index", "unique", or "primary". |
|
714
|
|
|
* @return null|string Returns the index string or null if the index is not correct. |
|
715
|
|
|
*/ |
|
716
|
17 |
|
protected function indexDefString($table, array $def) { |
|
717
|
17 |
|
$indexName = $this->escape($this->buildIndexName($table, $def)); |
|
718
|
17 |
|
switch (self::val('type', $def, Db::INDEX_IX)) { |
|
719
|
17 |
|
case Db::INDEX_IX: |
|
720
|
11 |
|
return "index $indexName ".$this->bracketList($def['columns'], '`'); |
|
721
|
15 |
|
case Db::INDEX_UNIQUE: |
|
722
|
1 |
|
return "unique $indexName ".$this->bracketList($def['columns'], '`'); |
|
723
|
15 |
|
case Db::INDEX_PK: |
|
724
|
14 |
|
return "primary key ".$this->bracketList($def['columns'], '`'); |
|
725
|
2 |
|
} |
|
726
|
2 |
|
return null; |
|
727
|
|
|
} |
|
728
|
|
|
|
|
729
|
|
|
/** |
|
730
|
|
|
* {@inheritdoc} |
|
731
|
|
|
*/ |
|
732
|
4 |
|
protected function alterTableDb(array $alterDef, array $options = []) { |
|
733
|
4 |
|
$table = $alterDef['name']; |
|
|
|
|
|
|
734
|
4 |
|
$columnOrders = $this->getColumnOrders($alterDef['def']['columns']); |
|
735
|
4 |
|
$parts = []; |
|
|
|
|
|
|
736
|
|
|
|
|
737
|
|
|
// Add the columns and indexes. |
|
738
|
4 |
|
foreach ($alterDef['add']['columns'] as $cname => $cdef) { |
|
739
|
|
|
// Figure out the order of the column. |
|
740
|
2 |
|
$pos = self::val($cname, $columnOrders, ''); |
|
|
|
|
|
|
741
|
2 |
|
$parts[] = 'add '.$this->columnDefString($cname, $cdef).$pos; |
|
742
|
4 |
|
} |
|
743
|
4 |
|
foreach ($alterDef['add']['indexes'] as $ixdef) { |
|
744
|
3 |
|
$parts[] = 'add '.$this->indexDefString($table, $ixdef); |
|
745
|
4 |
|
} |
|
746
|
|
|
|
|
747
|
|
|
// Alter the columns. |
|
748
|
4 |
|
foreach ($alterDef['alter']['columns'] as $cname => $cdef) { |
|
749
|
2 |
|
$parts[] = 'modify '.$this->columnDefString($cname, $cdef); |
|
750
|
4 |
|
} |
|
751
|
|
|
|
|
752
|
|
|
// Drop the columns and indexes. |
|
753
|
4 |
|
foreach ($alterDef['drop']['columns'] as $cname => $_) { |
|
754
|
|
|
$parts[] = 'drop '.$this->escape($cname); |
|
755
|
4 |
|
} |
|
756
|
4 |
|
foreach ($alterDef['drop']['indexes'] as $ixdef) { |
|
757
|
2 |
|
$parts[] = 'drop index '.$this->escape($ixdef['name']); |
|
758
|
4 |
|
} |
|
759
|
|
|
|
|
760
|
4 |
|
if (empty($parts)) { |
|
761
|
|
|
return false; |
|
762
|
|
|
} |
|
763
|
|
|
|
|
764
|
|
|
$sql = 'alter '. |
|
765
|
4 |
|
(self::val(Db::OPTION_IGNORE, $options) ? 'ignore ' : ''). |
|
766
|
4 |
|
'table '.$this->prefixTable($table)."\n ". |
|
767
|
4 |
|
implode(",\n ", $parts); |
|
768
|
|
|
|
|
769
|
4 |
|
$this->queryDefine($sql, $options); |
|
770
|
4 |
|
} |
|
771
|
|
|
|
|
772
|
|
|
/** |
|
773
|
|
|
* Get an array of column orders so that added columns can be slotted into their correct spot. |
|
774
|
|
|
* |
|
775
|
|
|
* @param array $cdefs An array of column definitions. |
|
776
|
|
|
* @return array Returns an array of column orders suitable for an `alter table` statement. |
|
777
|
|
|
*/ |
|
778
|
4 |
|
private function getColumnOrders($cdefs) { |
|
779
|
4 |
|
$orders = array_flip(array_keys($cdefs)); |
|
780
|
|
|
|
|
781
|
4 |
|
$prev = ' first'; |
|
782
|
4 |
|
foreach ($orders as $cname => &$value) { |
|
783
|
4 |
|
$value = $prev; |
|
784
|
4 |
|
$prev = ' after '.$this->escape($cname); |
|
|
|
|
|
|
785
|
4 |
|
} |
|
786
|
4 |
|
return $orders; |
|
787
|
|
|
} |
|
788
|
|
|
|
|
789
|
|
|
/** |
|
790
|
|
|
* Force a value into the appropriate php type based on its SQL type. |
|
791
|
|
|
* |
|
792
|
|
|
* @param mixed $value The value to force. |
|
793
|
|
|
* @param string $type The sqlite type name. |
|
794
|
|
|
* @return mixed Returns $value cast to the appropriate type. |
|
795
|
|
|
*/ |
|
796
|
4 |
|
protected function forceType($value, $type) { |
|
797
|
4 |
|
$type = strtolower($type); |
|
798
|
|
|
|
|
799
|
4 |
|
if ($type === 'null') { |
|
800
|
|
|
return null; |
|
801
|
4 |
|
} elseif ($type === 'boolean') { |
|
802
|
1 |
|
return filter_var($value, FILTER_VALIDATE_BOOLEAN); |
|
803
|
3 |
|
} elseif (in_array($type, ['int', 'integer', 'tinyint', 'smallint', |
|
804
|
3 |
|
'mediumint', 'bigint', 'unsigned big int', 'int2', 'int8', 'boolean'])) { |
|
805
|
3 |
|
return filter_var($value, FILTER_VALIDATE_INT); |
|
806
|
|
|
} elseif (in_array($type, ['real', 'double', 'double precision', 'float', |
|
807
|
|
|
'numeric', 'number', 'decimal(10,5)'])) { |
|
808
|
|
|
return filter_var($value, FILTER_VALIDATE_FLOAT); |
|
809
|
|
|
} else { |
|
810
|
|
|
return (string)$value; |
|
811
|
|
|
} |
|
812
|
|
|
} |
|
813
|
|
|
|
|
814
|
40 |
|
public function quote($value, $column = '') { |
|
815
|
40 |
|
if (is_bool($value)) { |
|
816
|
1 |
|
return (string)(int)$value; |
|
817
|
|
|
} else { |
|
818
|
40 |
|
return parent::quote($value, $column); |
|
819
|
|
|
} |
|
820
|
|
|
} |
|
821
|
|
|
} |
|
822
|
|
|
|
This check looks for multiple assignments in successive lines of code. It will report an issue if the operators are not in a straight line.
To visualize
will produce issues in the first and second line, while this second example
will produce no issues.