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https://github.com/dg/dibi.git
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121 lines
2.9 KiB
PHP
121 lines
2.9 KiB
PHP
<?php
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/**
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* This file is part of the "dibi" - smart database abstraction layer.
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* Copyright (c) 2005 David Grudl (http://davidgrudl.com)
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*/
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/**
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* The dibi reflector for MySQL databases.
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*
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* @author David Grudl
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* @package dibi\drivers
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* @internal
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*/
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class DibiMySqlReflector extends DibiObject implements IDibiReflector
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{
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/** @var IDibiDriver */
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private $driver;
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public function __construct(IDibiDriver $driver)
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{
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$this->driver = $driver;
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}
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/**
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* Returns list of tables.
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* @return array
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*/
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public function getTables()
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{
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/*$this->query("
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SELECT TABLE_NAME as name, TABLE_TYPE = 'VIEW' as view
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FROM INFORMATION_SCHEMA.TABLES
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WHERE TABLE_SCHEMA = DATABASE()
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");*/
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$res = $this->driver->query("SHOW FULL TABLES");
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$tables = array();
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while ($row = $res->fetch(FALSE)) {
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$tables[] = array(
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'name' => $row[0],
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'view' => isset($row[1]) && $row[1] === 'VIEW',
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);
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}
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return $tables;
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}
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/**
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* Returns metadata for all columns in a table.
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* @param string
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* @return array
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*/
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public function getColumns($table)
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{
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/*$table = $this->escape($table, dibi::TEXT);
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$this->query("
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SELECT *
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FROM INFORMATION_SCHEMA.COLUMNS
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WHERE TABLE_NAME = $table AND TABLE_SCHEMA = DATABASE()
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");*/
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$res = $this->driver->query("SHOW FULL COLUMNS FROM {$this->driver->escape($table, dibi::IDENTIFIER)}");
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$columns = array();
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while ($row = $res->fetch(TRUE)) {
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$type = explode('(', $row['Type']);
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$columns[] = array(
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'name' => $row['Field'],
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'table' => $table,
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'nativetype' => strtoupper($type[0]),
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'size' => isset($type[1]) ? (int) $type[1] : NULL,
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'unsigned' => (bool) strstr($row['Type'], 'unsigned'),
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'nullable' => $row['Null'] === 'YES',
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'default' => $row['Default'],
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'autoincrement' => $row['Extra'] === 'auto_increment',
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'vendor' => $row,
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);
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}
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return $columns;
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}
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/**
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* Returns metadata for all indexes in a table.
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* @param string
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* @return array
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*/
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public function getIndexes($table)
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{
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/*$table = $this->escape($table, dibi::TEXT);
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$this->query("
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SELECT *
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FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE
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WHERE TABLE_NAME = $table AND TABLE_SCHEMA = DATABASE()
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AND REFERENCED_COLUMN_NAME IS NULL
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");*/
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$res = $this->driver->query("SHOW INDEX FROM {$this->driver->escape($table, dibi::IDENTIFIER)}");
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$indexes = array();
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while ($row = $res->fetch(TRUE)) {
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$indexes[$row['Key_name']]['name'] = $row['Key_name'];
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$indexes[$row['Key_name']]['unique'] = !$row['Non_unique'];
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$indexes[$row['Key_name']]['primary'] = $row['Key_name'] === 'PRIMARY';
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$indexes[$row['Key_name']]['columns'][$row['Seq_in_index'] - 1] = $row['Column_name'];
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}
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return array_values($indexes);
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}
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/**
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* Returns metadata for all foreign keys in a table.
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* @param string
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* @return array
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*/
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public function getForeignKeys($table)
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{
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throw new DibiNotImplementedException;
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}
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}
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