733 lines
23 KiB
PHP
733 lines
23 KiB
PHP
<?php
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/**
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* Invision Power Services
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* IP.Board v3.0.5
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* MySQL Database Diagnostic Methods
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* Last Updated: $Date: 2009-10-09 09:24:39 -0400 (Fri, 09 Oct 2009) $
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*
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* @author $Author: josh $
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* @copyright (c) 2001 - 2009 Invision Power Services, Inc.
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* @license http://www.iinvisionpower.com/community/board/license.html
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* @package Invision Power Services Kernel
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* @link http://www.iinvisionpower.com
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* @since Tuesday 1st March 2005 15:40
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* @version $Revision: 337 $
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*/
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class db_tools
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{
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/**
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* Missing column/table/index flag
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*
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* @var boolean Table/index has issues
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* @access public
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*/
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public $has_issues = false;
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/**
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* Internal mapping - ignore me
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*
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* @var array Table/column mappings
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* @access private
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*/
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private $_mapping = array();
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/**
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* Diagnose table indexes
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*
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* @access public
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* @param array Array of create table/index statements to check
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* @param array Array of issues to fix
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* @return array Array of results
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*/
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public function dbIndexDiag( $sql_statements, $issues_to_fix='' )
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{
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//-----------------------------------------
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// INIT
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//-----------------------------------------
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$indexes = array();
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$error_count = 0;
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$output = array();
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//-----------------------------------------
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// Do we have SQL statements?
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//-----------------------------------------
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if( is_array($sql_statements) && count($sql_statements) )
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{
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//-----------------------------------------
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// Loop over our statements
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//-----------------------------------------
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foreach( $sql_statements as $definition )
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{
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//-----------------------------------------
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// Some more per-statement init
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//-----------------------------------------
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$table_name = "";
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$fields_str = "";
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$primary_key = "";
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$tablename = array();
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$fields = array();
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$final_keys = array();
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$col_definition = "";
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$colmatch = array();
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$final_primary = array();
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/* Remove backticks */
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$definition = str_replace( '`', '', $definition );
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//-----------------------------------------
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// Is this a create table statement?
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//-----------------------------------------
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if ( preg_match( "#CREATE\s+TABLE\s+?(.+?)\s+?\(#ie", $definition, $tablename ) )
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{
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$tableName = $tablename[1];
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//-----------------------------------------
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// Does the table have a primary key?
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//-----------------------------------------
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if ( preg_match( "#\s+?PRIMARY\s+?KEY\s+?(?:(\w+?)\s+?)?\((.*?)\)(?:(?:[,\s+?$])?\((.+?)\))?#is", $definition, $fields ) )
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{
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$final_primary = array();
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//-----------------------------------------
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// Did we find anything with our regex?
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//-----------------------------------------
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if( count( $fields ) )
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{
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//-----------------------------------------
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// Get the actual key name
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//-----------------------------------------
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$primary_key = trim($fields[1]);
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$primary_fields = implode( ",", array_map( 'trim', explode( ",", $fields[2] ) ) );
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//-----------------------------------------
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// Get the table definition
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//-----------------------------------------
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$col_definition = $this->_sqlStripTicks( $definition );
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//-----------------------------------------
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// This is the primary key for this table
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//-----------------------------------------
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$final_primary = array( $primary_key ? $primary_key : $primary_fields, $primary_fields );
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}
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}
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$table_array[$i] = $tableName;
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//-----------------------------------------
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// We found a primary key, store it
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//-----------------------------------------
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if ( count( $final_primary ) )
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{
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$primary_array[$i] = $final_primary;
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}
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}
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//-----------------------------------------
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// Now find all non-primary keys
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//-----------------------------------------
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if ( preg_match_all( "#(?<!PRIMARY)\s*?KEY\s+?(?:(\w+?)\s+?)?\((.+?)\)(\n|,\n)#is", $definition, $fields ) )
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{
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//-----------------------------------------
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// We got some fields!
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//-----------------------------------------
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if( count( $fields[2] ) )
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{
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$i = 0;
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//-----------------------------------------
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// Loop over the data from the preg statement
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//-----------------------------------------
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foreach( $fields[2] as $index_cols )
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{
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//-----------------------------------------
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// Get index name, column name, and store
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//-----------------------------------------
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//$index_cols = implode( ",", array_map( 'trim', explode( ",", $this->_sqlStripTicks( preg_replace( "#\(([^\(]+?)\)#", "", $index_cols ) ) ) ) );
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$index_cols = implode( ",", array_map( 'trim', explode( ",", $this->_sqlStripTicks( $index_cols ) ) ) );
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$index_name = $fields[1][$i] ? $fields[1][$i] : $index_cols;
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if( $index_cols != $final_primary[1] )
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{
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$final_keys[] = array( $index_name, $index_cols );
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}
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$i++;
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}
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}
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}
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//-----------------------------------------
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// We have some indexes for this table
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//-----------------------------------------
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if( $tableName AND ( $primary_key OR count($final_keys) ) )
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{
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$indexes[] = array( 'table' => $tableName,
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'primary' => $final_primary,
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'index' => $final_keys
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);
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}
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}
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}
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//-----------------------------------------
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// No indexes on this table
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//-----------------------------------------
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if( !count($indexes) )
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{
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return false;
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}
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//-----------------------------------------
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// Loop over the indexes
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//-----------------------------------------
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foreach( $indexes as $data )
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{
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//-----------------------------------------
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// Get table schematics and clean it
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//-----------------------------------------
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$row = ipsRegistry::DB()->getTableSchematic( $data['table'] );
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$tbl = $this->_sqlStripTicks( $row['Create Table'] );
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//-----------------------------------------
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// Start output (one per index)
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//-----------------------------------------
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$output[ $data['table'] ] = array( 'table' => ipsRegistry::$settings['sql_tbl_prefix'].$data['table'],
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'status' => 'ok',
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'missing' => array(),
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);
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//-----------------------------------------
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// We had a primary key, so let's look for it
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//-----------------------------------------
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if( isset( $data['primary'] ) && is_array($data['primary']) AND count($data['primary']) )
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{
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$index_name = $data['primary'][0];
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$index_cols = $data['primary'][1];
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$ok = 0;
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//-----------------------------------------
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// Can we find it...?
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//-----------------------------------------
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if ( preg_match( "#\s*PRIMARY\s+?KEY\s*(\((.+?)\))?#is", $tbl, $matches ) )
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{
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$ok = 1;
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//-----------------------------------------
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// It is...now is the index right (mulicolumn)?
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//-----------------------------------------
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if ( $index_cols != $matches[2] )
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{
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//-----------------------------------------
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// Break out the real indexes and loop
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//-----------------------------------------
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foreach( explode( ',', $index_cols ) as $mc )
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{
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//-----------------------------------------
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// And make sure it's in the definition
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//-----------------------------------------
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if ( strpos( $match[2], $mc ) === false )
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{
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$query_needed = 'ALTER TABLE ' . ipsRegistry::$settings['sql_tbl_prefix'] . $data['table'] . ' DROP INDEX ' . $index_name . ', ADD INDEX ' . $index_name . ' (' . $index_cols . ')';
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//-----------------------------------------
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// Are we fixing now?
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//-----------------------------------------
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if( preg_replace( '#^' . ipsRegistry::$settings['sql_tbl_prefix'] . '(.+?)#', "\\1", $issues_to_fix ) == $data['table'] OR $issues_to_fix == 'all' )
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{
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ipsRegistry::DB()->query( $query_needed );
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break;
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}
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//-----------------------------------------
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// We got issues gomer!
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//-----------------------------------------
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$this->has_issues = 1;
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$output[ $data['table'] ]['status'] = 'error';
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$output[ $data['table'] ]['index'][] = $index_name;
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$output[ $data['table'] ]['missing'][] = $index_name;
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$output[ $data['table'] ]['fixsql'][] = $query_needed;
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$ok = 0;
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break;
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}
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}
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}
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}
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else
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{
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//-----------------------------------------
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// Generate query and set the output array
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//-----------------------------------------
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$query_needed = "ALTER TABLE " . ipsRegistry::$settings['sql_tbl_prefix'] . "{$data['table']} ADD PRIMARY KEY ({$index_name})";
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//-----------------------------------------
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// Are we fixing now?
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//-----------------------------------------
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if( preg_replace( '#^' . ipsRegistry::$settings['sql_tbl_prefix'] . '(.+?)#', "\\1", $issues_to_fix ) == $data['table'] OR $issues_to_fix == 'all' )
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{
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$ok = 1;
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ipsRegistry::DB()->query( $query_needed );
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}
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else
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{
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$this->has_issues = 1;
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$output[ $data['table'] ]['status'] = 'error';
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$output[ $data['table'] ]['index'][] = $index_name;
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$output[ $data['table'] ]['missing'][] = $index_name;
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$output[ $data['table'] ]['fixsql'][] = $query_needed;
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$error_count++;
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}
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}
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//-----------------------------------------
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// Primary key is fine
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//-----------------------------------------
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if( $ok )
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{
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$output[ $data['table'] ]['index'][] = $index_name;
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}
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}
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//-----------------------------------------
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// Got other indexes?
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//-----------------------------------------
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if ( isset( $data['index'] ) && is_array( $data['index'] ) and count( $data['index'] ) )
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{
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//-----------------------------------------
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// Loop over the other indexes
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//-----------------------------------------
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foreach( $data['index'] as $indexes )
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{
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$index_name = $indexes[0];
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$index_cols = $indexes[1] ? $indexes[1] : $index_name;
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$ok = 0;
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//-----------------------------------------
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// Is the key there?
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//-----------------------------------------
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if ( preg_match( "#(?<!PRIMARY)\s+?KEY\s+?{$index_name}\s+?(\((.+?)\))(\n|,\n)#is", $tbl, $match ) )
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{
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$ok = 1;
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//-----------------------------------------
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// It is...now is the index right (mulicolumn)?
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//-----------------------------------------
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if ( $index_cols != $match[2] )
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{
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//-----------------------------------------
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// Break out the real indexes and loop
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//-----------------------------------------
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foreach( explode( ',', $indexes[1] ) as $mc )
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{
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//-----------------------------------------
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// And make sure it's in the definition
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//-----------------------------------------
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if ( strpos( $match[2], str_replace(' ', '', $mc) ) === false )
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{
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$query_needed = 'ALTER TABLE ' . ipsRegistry::$settings['sql_tbl_prefix'] . $data['table'] . ' DROP INDEX ' . $index_name . ', ADD INDEX ' . $index_name . ' (' . $index_cols . ')';
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//-----------------------------------------
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// Are we fixing now?
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//-----------------------------------------
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if( preg_replace( '#^' . ipsRegistry::$settings['sql_tbl_prefix'] . '(.+?)#', "\\1", $issues_to_fix ) == $data['table'] OR $issues_to_fix == 'all' )
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{
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ipsRegistry::DB()->query( $query_needed );
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continue 2;
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}
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$this->has_issues = 1;
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$output[ $data['table'] ]['status'] = 'error';
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$output[ $data['table'] ]['index'][] = $index_name;
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$output[ $data['table'] ]['missing'][] = $index_name;
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$output[ $data['table'] ]['fixsql'][] = $query_needed;
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$ok = 0;
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break;
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}
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}
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}
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}
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else
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{
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//-----------------------------------------
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// Generate query and set the output array
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//-----------------------------------------
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$query_needed = 'ALTER TABLE ' . ipsRegistry::$settings['sql_tbl_prefix'] . $data['table'] . ' ADD INDEX ' . $index_name . ' (' . $index_cols . ')';
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//-----------------------------------------
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// Are we fixing now?
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//-----------------------------------------
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if( preg_replace( '#^' . ipsRegistry::$settings['sql_tbl_prefix'] . '(.+?)#', "\\1", $issues_to_fix ) == $data['table'] OR $issues_to_fix == 'all' )
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{
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ipsRegistry::DB()->query( $query_needed );
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$ok = 1;
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}
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else
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{
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$output[ $data['table'] ]['status'] = 'error';
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$output[ $data['table'] ]['index'][] = $index_name;
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$output[ $data['table'] ]['missing'][] = $index_name;
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$output[ $data['table'] ]['fixsql'][] = $query_needed;
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$error_count++;
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}
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}
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//-----------------------------------------
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// The index is ok
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//-----------------------------------------
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if ( $ok )
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{
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$output[ $data['table'] ]['index'][] = $index_name;
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}
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}
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}
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}
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return array( 'error_count' => $error_count, 'results' => $output );
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}
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/**
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* Diagnose table structure
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*
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* @access public
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* @param array Array of create table/index statements to check
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* @param array Array of issues to fix
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* @return array Array of results
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*/
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public function dbTableDiag( $sql_statements, $issues_to_fix='' )
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{
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//-----------------------------------------
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// Init
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//-----------------------------------------
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$queries_needed = array();
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$tables_needed = array();
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$table_definitions = array();
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$error_count = 0;
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$_tablesFull = array();
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$_tablesAlter = array();
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//-----------------------------------------
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// Do we have any statements?
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//-----------------------------------------
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if( is_array( $sql_statements ) && count( $sql_statements ) )
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{
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//-----------------------------------------
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// Loop over those statements
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//-----------------------------------------
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foreach( $sql_statements as $the_table )
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{
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$expected_columns = array();
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$missing_columns = array();
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/* Remove backticks */
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$the_table = str_replace( '`', '', $the_table );
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//-----------------------------------------
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// Is this a create table statement?
|
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//-----------------------------------------
|
|
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if( preg_match( "#CREATE\s+TABLE\s+?(.+?)\s+?\(#ie", $the_table, $definition ) )
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{
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$tableName = ipsRegistry::$settings['sql_tbl_prefix'] . $definition[1];
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//-----------------------------------------
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// Store the entire table definition
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//-----------------------------------------
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$table_definitions[ $tableName ] = str_replace( $definition[1], $tableName, $the_table );
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$_tablesFull[] = $tableName;
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//-----------------------------------------
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// Get the columns
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//-----------------------------------------
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$columns_array = explode( "\n", $the_table );
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//-----------------------------------------
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// Get rid of first row ("CREATE TABLE ...")
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//-----------------------------------------
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array_shift($columns_array);
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//-----------------------------------------
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// Get rid of the junk at the end of each line
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//-----------------------------------------
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|
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if ( ( strpos(end($columns_array), ");") === 0 ) OR
|
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( strpos(end($columns_array), ")") === 0 ) OR
|
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( strpos(end($columns_array), ";") === 0 ) )
|
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{
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array_pop($columns_array);
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}
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reset($columns_array);
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//-----------------------------------------
|
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// Loop over each supposed "column"
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//-----------------------------------------
|
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foreach( $columns_array as $col )
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{
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//-----------------------------------------
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// Find the column name
|
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//-----------------------------------------
|
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$temp = preg_split( "/[\s]+/" , trim($col) );
|
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$columnName = $temp[0];
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//-----------------------------------------
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// If this is a real column, map it
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//-----------------------------------------
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if( !in_array( $columnName, array( "PRIMARY", "KEY", "UNIQUE", "", "(", ";", ");" ) ) )
|
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{
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$expected_columns[] = $columnName;
|
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$this->_mapping[ $tableName ][ $columnName ] = trim( str_replace( ',', ';', $col ) );
|
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}
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}
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}
|
|
|
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//-----------------------------------------
|
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// This an alter table statement?
|
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//-----------------------------------------
|
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elseif ( preg_match( "#ALTER\s+TABLE\s+([a-z_]*)\s+ADD\s+([a-z_]*)\s+#is", $the_table, $definition ) )
|
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{
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//-----------------------------------------
|
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// If this is truly adding a new column, map it
|
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//-----------------------------------------
|
|
|
|
if( $definition[1] AND $definition[2] AND $definition[2] != 'INDEX' AND strpos($definition[2], 'TYPE') === false AND strpos($definition[2], 'ENGINE') === false )
|
|
{
|
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$tableName = ipsRegistry::$settings['sql_tbl_prefix'] . trim( $definition[1] );
|
|
$columnName = trim($definition[2]);
|
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$_tablesAlter[] = $tableName;
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$expected_columns[] = $columnName;
|
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$this->_mapping[ $tableName ][ $columnName ] = $definition[2] . ' ' . str_replace( $definition[0], '', $the_table ) . ";";
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------
|
|
// We don't care about any other queries
|
|
//-----------------------------------------
|
|
|
|
else
|
|
{
|
|
continue;
|
|
}
|
|
|
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//-----------------------------------------
|
|
// Don't die on me sarge!
|
|
//-----------------------------------------
|
|
|
|
ipsRegistry::DB()->return_die = 1;
|
|
|
|
$tableNoPrefix = preg_replace( '#^' . ipsRegistry::$settings['sql_tbl_prefix'] . '(.+?)#', "\\1", $tableName );
|
|
|
|
//-----------------------------------------
|
|
// If table is missing entirely, we need to build it
|
|
//-----------------------------------------
|
|
|
|
if ( ! ipsRegistry::DB()->checkForTable( $tableNoPrefix ) )
|
|
{
|
|
//-----------------------------------------
|
|
// Are we fixing now?
|
|
//-----------------------------------------
|
|
|
|
if( preg_replace( '#^' . ipsRegistry::$settings['sql_tbl_prefix'] . '(.+?)#', "\\1", $issues_to_fix ) == $tableNoPrefix OR $issues_to_fix == 'all' )
|
|
{
|
|
ipsRegistry::DB()->query( $table_definitions[ $tableName ] );
|
|
|
|
continue;
|
|
}
|
|
|
|
$output[ $tableName ] = array( 'key' => $tableNoPrefix,
|
|
'table' => $tableName,
|
|
'status' => 'error_table',
|
|
'fixsql' => array( $table_definitions[ $tableName ] )
|
|
);
|
|
|
|
//-----------------------------------------
|
|
// Increment error counter
|
|
//-----------------------------------------
|
|
|
|
$error_count++;
|
|
|
|
//-----------------------------------------
|
|
// Reset failed status
|
|
//-----------------------------------------
|
|
|
|
ipsRegistry::DB()->failed = 0;
|
|
}
|
|
|
|
//-----------------------------------------
|
|
// Table exists...
|
|
//-----------------------------------------
|
|
|
|
else
|
|
{
|
|
//-----------------------------------------
|
|
// Loop over all the columns
|
|
//-----------------------------------------
|
|
|
|
foreach( $expected_columns as $trymeout )
|
|
{
|
|
//-----------------------------------------
|
|
// Does column exist?
|
|
//-----------------------------------------
|
|
|
|
if( ! ipsRegistry::DB()->checkForField( $trymeout, $tableNoPrefix ) )
|
|
{
|
|
//-----------------------------------------
|
|
// Missing - create "ALTER TABLE" query
|
|
//-----------------------------------------
|
|
|
|
$query_needed = "ALTER TABLE " . $tableName . " ADD " . $this->_mapping[ $tableName ][ $trymeout ];
|
|
|
|
//-----------------------------------------
|
|
// If this is an autoincrement column, we need
|
|
// to add the primary key, since it won't exist
|
|
//-----------------------------------------
|
|
|
|
if( strpos( $query_needed, "auto_increment;" ) !== false )
|
|
{
|
|
//-----------------------------------------
|
|
// Cut off the ";", add primary key bit
|
|
//-----------------------------------------
|
|
|
|
$query_needed = substr( $query_needed, 0, -1 ).", ADD PRIMARY KEY( ". $trymeout . ");";
|
|
}
|
|
|
|
//-----------------------------------------
|
|
// Are we fixing now?
|
|
//-----------------------------------------
|
|
|
|
if( preg_replace( '#^' . ipsRegistry::$settings['sql_tbl_prefix'] . '(.+?)#', "\\1", $issues_to_fix ) == $tableNoPrefix OR $issues_to_fix == 'all' )
|
|
{
|
|
ipsRegistry::DB()->query( $query_needed );
|
|
|
|
continue;
|
|
}
|
|
|
|
$missing_columns[] = $trymeout;
|
|
|
|
//-----------------------------------------
|
|
// We only do this once
|
|
//-----------------------------------------
|
|
|
|
if( !isset($output[ $tableName ]) OR !count($output[ $tableName ]) )
|
|
{
|
|
$output[ $tableName ] = array( 'key' => $tableNoPrefix,
|
|
'table' => $tableName,
|
|
'status' => 'error_column',
|
|
);
|
|
}
|
|
|
|
//-----------------------------------------
|
|
// But with each error, add the query
|
|
//-----------------------------------------
|
|
|
|
$output[ $tableName ]['fixsql'][] = $query_needed;
|
|
|
|
//-----------------------------------------
|
|
// Increment error count
|
|
//-----------------------------------------
|
|
|
|
$error_count++;
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------
|
|
// If nothing was wrong, show ok message
|
|
//-----------------------------------------
|
|
|
|
if( !count( $missing_columns ) )
|
|
{
|
|
$output[] = array( 'key' => $tableNoPrefix,
|
|
'table' => $tableName,
|
|
'column' => in_array( $tableName, $_tablesFull ) ? '' : $trymeout,
|
|
'status' => 'ok',
|
|
'fixsql' => '' );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return array( 'error_count' => $error_count, 'results' => $output );
|
|
}
|
|
|
|
|
|
/**
|
|
* Remove ticks from statement
|
|
*
|
|
* @access private
|
|
* @param string String
|
|
* @return string String with ticks removed
|
|
*/
|
|
private function _sqlStripTicks( $data )
|
|
{
|
|
return str_replace( "`", "", $data );
|
|
}
|
|
|
|
}
|
|
|
|
?>
|