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<?php
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/*
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+--------------------------------------------------------------------------
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| Invision Power Services Kernel [DB Tools]
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| =============================================
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| by Matthew Mecham
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| (c) 2001 - 2006 Invision Power Services, Inc.
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| http://www.invisionpower.com
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| =============================================
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| Web: http://www.invisionboard.com
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+---------------------------------------------------------------------------
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| THIS IS NOT FREE / OPEN SOURCE SOFTWARE
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+---------------------------------------------------------------------------
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| > $Date: 2007-10-18 15:47:19 -0400 (Thu, 18 Oct 2007) $
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| > $Revision: 1137 $
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| > $Author: bfarber $
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+---------------------------------------------------------------------------
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|
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| > MySQL DB Tools
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| > Module written by Remco Wilting
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| > Date started: Tuesday 1st March 2005 15:40
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| > Module Version Number: 2.1.001
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+--------------------------------------------------------------------------
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*/
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class db_tools
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{
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var $ipsclass;
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var $has_issues = 0;
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/*-------------------------------------------------------------------------*/
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// Constructor
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/*-------------------------------------------------------------------------*/
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function db_tools( & $ipsclass )
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{
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$this->ipsclass = & $ipsclass;
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}
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//-------------------------------------------------------------
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// Diagnose the table indexes
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// @input sql_statements array of create table/index statements to check
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// @output array array of results ( table, index, status, message, fixsql )
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//-------------------------------------------------------------
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function db_index_diag( & $sql_statements )
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{
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$indexes = array();
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$error_count = 0;
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if( is_array($sql_statements) && count($sql_statements) )
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{
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foreach( $sql_statements as $definition )
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{
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$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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if ( preg_match( "#CREATE TABLE\s+?(.+?)\s+?\(#ie", $definition, $tablename ) )
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{
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$table_name = $tablename[1];
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if ( preg_match( "#\s+?PRIMARY\s+?KEY\s+?\((.*?)\)(?:(?:[,\s+?$])?\((.+?)\))?#is", $definition, $fields ) )
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{
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$final_primary = array();
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if( count( $fields ) )
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{
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$primary_key = trim($fields[1]);
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$col_definition = $this->sql_strip_ticks( $definition );
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if ( preg_match( "#^\s+?{$primary_key}\s+?(.+?)(?:[,$])#im", $col_definition, $colmatch ) )
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{
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$col_definition = trim($colmatch[1]);
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}
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$final_primary = array( $primary_key, $col_definition );
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}
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}
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$table_array[$i] = $table_name;
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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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if ( preg_match_all( "#(?<!PRIMARY)\s+?KEY\s+?(?:(\w+?)\s+?)?\((.*?)\)(?:(?:[,\s+?$])?\((.+?)\))?#is", $definition, $fields, PREG_PATTERN_ORDER ) )
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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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foreach( $fields[2] as $index_cols )
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{
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$index_cols = trim( $this->sql_strip_ticks( $index_cols ) );
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$index_name = $fields[1][$i] ? $fields[1][$i] : $index_cols;
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$final_keys[] = array( $index_name, implode( ",", array_map( 'trim', explode( ",", $index_cols ) ) ) );
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$i++;
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}
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}
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}
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if( $table_name AND ( $primary_key OR count($final_keys) ) )
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{
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$indexes[] = array( 'table' => $table_name,
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'primary' => $final_primary,
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'index' => $final_keys
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);
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}
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}
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}
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if( !count($indexes) )
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{
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return false;
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}
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$output = array();
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foreach( $indexes as $data )
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{
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$table_name = str_replace( "ibf_", "", $data['table']);
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$row = $this->ipsclass->DB->sql_get_table_schematic( $table_name );
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$tbl = $this->sql_strip_ticks( $row['Create Table'] );
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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 = $data['primary'][0];
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$column_definition = $data['primary'][1];
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if ( preg_match( "#\s+?PRIMARY\s+?KEY\s+?\({$index_name}\)?[,\s+?$]?#is", $tbl, $match ) )
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{
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$output[] = array( 'table' => SQL_PREFIX.$table_name,
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'index' => $index_name,
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'status' => 'ok',
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'message' => '',
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'fixsql' => '' );
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}
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else
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{
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$query_needed = "ALTER TABLE ".SQL_PREFIX."$table_name CHANGE {$index_name} {$index_name} {$column_definition}, ADD PRIMARY KEY ({$index_name})";
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if( !$this->ipsclass->DB->field_exists( $index_name, $table_name ) )
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{
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$query_needed = str_replace( "CHANGE {$index_name}", "ADD", $query_needed );
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}
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$this->has_issues = 1;
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$output[] = array( 'table' => SQL_PREFIX.$table_name,
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'index' => $index_name,
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'status' => 'error',
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'message' => 'Missing primary key',
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'fixsql' => $query_needed );
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$error_count++;
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}
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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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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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if ( preg_match( "#(?<!PRIMARY)\s+?KEY\s+?{$index_name}\s+?(\((.+?)\))?#is", $tbl, $match ) )
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{
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$ok = 1;
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//-----------------------------------------
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// Multi index column?
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//-----------------------------------------
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if ( $index_cols != $table_cols )
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{
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foreach( explode( ',', $indexes[1] ) as $mc )
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{
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if ( ! strstr( $match[2], $mc ) )
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{
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$this->has_issues = 1;
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$output[] = array( 'table' => SQL_PREFIX.$table_name,
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'index' => $index_name,
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'status' => 'error',
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'message' => 'Missing field \''.$mc.'\'',
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'fixsql' => 'ALTER TABLE '.SQL_PREFIX.$table_name.' DROP INDEX '.$index_name.', ADD INDEX '.$index_name.' ('.$index_cols.')' );
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$error_count++;
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$ok = 0;
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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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$output[] = array( 'table' => SQL_PREFIX.$table_name,
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'index' => $index_name,
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'status' => 'error',
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'message' => 'Missing index \''.$index_name.'\'',
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'fixsql' => 'ALTER TABLE '.SQL_PREFIX.$table_name.' ADD INDEX '.$index_name.'('.$index_cols.')' );
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$error_count++;
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}
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if ( $ok )
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{
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$output[] = array( 'table' => SQL_PREFIX.$table_name,
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'index' => $index_name,
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'status' => 'ok',
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'message' => '',
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'fixsql' => '' );
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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 the DB tables
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// @input sql_statements array of create table statements to check
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// @output array array of results ( key, table, status, message, fixsql )
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//-------------------------------------------------------------
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function db_table_diag( & $sql_statements )
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{
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$queries_needed = array();
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$tables_needed = array();
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$error_count = 0;
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if( is_array( $sql_statements ) && count( $sql_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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if( preg_match("#CREATE TABLE\s+?(.+?)\s+?\(#ie", $the_table, $bits))
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{
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$tbl_name = $bits[1];
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$tbl_name = str_replace( "ibf_", "", $tbl_name );
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$table_defs[$tbl_name] = str_replace( "ibf_", SQL_PREFIX, $the_table );
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// Get the columns and lose the first line (it's the table name)
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$columns_array = explode( "\n", $the_table );
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array_shift($columns_array);
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// Get rid of the end junk
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if ( (strpos(end($columns_array), ");") == 0) ||
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(strpos(end($columns_array), ")") == 0) ||
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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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foreach( $columns_array as $col )
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{
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$temp = preg_split( "/[\s]+/" , $col );
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$col_name = trim( next( $temp ) );
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if( $col_name != "PRIMARY" &&
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$col_name != "KEY" &&
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$col_name != "UNIQUE" &&
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$col_name != "" &&
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$col_name != "(" &&
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$col_name != ";" &&
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$col_name != ");" )
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{
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$expected_columns[] = $col_name;
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$this->columns_to_defs[$tbl_name][$col_name] = trim( str_replace( ',', ';', $col ) );
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}
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}
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}
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elseif ( preg_match("#ALTER TABLE ([a-z_]*) ADD ([a-z_]*) #is", $the_table, $bits) )
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{
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if( $bits[1] != "" &&
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$bits[2] != "" &&
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$bits[2] != 'INDEX' &&
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strpos($bits[2], 'TYPE') === false )
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{
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$tbl_name = trim($bits[1]);
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$tbl_name = str_replace( "ibf_", "", $tbl_name );
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$col_name = trim($bits[2]);
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$expected_columns[] = $col_name;
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$this->columns_to_defs[$tbl_name][$col_name] = str_replace( $bits[1], SQL_PREFIX . $tbl_name, $the_table ) . ";";
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}
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}
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else
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{
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continue;
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}
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// Get the current schema....
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$this->ipsclass->DB->return_die = 1;
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if ( ! $this->ipsclass->DB->table_exists( $tbl_name ) )
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{
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$output[] = array( 'key' => $tbl_name,
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'table' => SQL_PREFIX.$tbl_name,
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'status' => 'error',
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'message' => 'missing table',
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'fixsql' => $table_defs[$tbl_name] );
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$error_count++;
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$this->ipsclass->DB->failed = 0;
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}
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else
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{
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// Here we go...
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$missing = array();
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foreach( $expected_columns as $trymeout )
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{
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if( ! $this->ipsclass->DB->field_exists( $trymeout, $tbl_name ) )
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{
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$missing[] = $trymeout;
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$query_needed = "ALTER TABLE " . SQL_PREFIX . $tbl_name . " ADD " . $this->columns_to_defs[$tbl_name][$trymeout];
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if( preg_match( "/auto_increment;/", $query_needed ) )
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{
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$query_needed = substr( $query_needed, 0, -1 ).", ADD PRIMARY KEY( ". $trymeout . ");";
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}
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$output[] = array( 'key' => $tbl_name.$trymeout,
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'table' => SQL_PREFIX.$tbl_name,
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'status' => 'error',
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'message' => 'Missing column \''.$trymeout.'\'',
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'fixsql' => $query_needed );
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$error_count++;
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}
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}
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if( !count( $missing ) )
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{
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$output[] = array( 'key' => $tbl_name,
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'table' => SQL_PREFIX.$tbl_name,
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'status' => 'ok',
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'message' => '',
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'fixsql' => '' );
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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' => $output );
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}
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//-----------------------------------------
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// sql_strip_ticks from field names
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//-----------------------------------------
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function sql_strip_ticks($data)
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{
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return str_replace( "`", "", $data );
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}
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}
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?>
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