351 lines
10 KiB
PHP
351 lines
10 KiB
PHP
<?php
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//
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// ZoneMinder web database interface file, $Date$, $Revision$
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// Copyright (C) 2001-2008 Philip Coombes
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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//
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define( "DB_LOG_OFF", 0 );
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define( "DB_LOG_ONLY", 1 );
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define( "DB_LOG_DEBUG", 2 );
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$GLOBALS['dbLogLevel'] = DB_LOG_OFF;
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$GLOBALS['dbConn'] = false;
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function dbConnect()
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{
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global $dbConn;
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try {
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#$dbConn = mysql_pconnect( ZM_DB_HOST, ZM_DB_USER, ZM_DB_PASS ) or die( "Could not connect to database: ".mysql_error() );
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$dbConn = new PDO( ZM_DB_TYPE + ':host=' + ZM_DB_HOST + ';dbname='+ZM_DB_NAME, ZM_DB_USER, ZM_DB_PASS ) or die( "Could not connect to database: ".mysql_error() );
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#mysql_select_db( ZM_DB_NAME, $dbConn ) or die( "Could not select database: ".mysql_error() );
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} catch(PDOException $ex ) {
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echo "Unable to connect to ZM db.";
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}
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}
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dbConnect();
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function dbDisconnect()
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{
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global $dbConn;
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mysql_close( $dbConn ) or die( "Could not disconnect from database" );
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}
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function dbLogOff()
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{
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global $dbLogLevel;
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$dbLogLevel = DB_LOG_OFF;
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}
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function dbLogOn()
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{
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global $dbLogLevel;
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$dbLogLevel = DB_LOG_ONLY;
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}
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function dbLogDebug()
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{
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global $dbLogLevel;
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$dbLogLevel = DB_LOG_DEBUG;
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}
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function dbDebug()
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{
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dbLogDebug();
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}
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function dbLog( $sql, $update=false )
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{
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global $dbLogLevel;
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$noExecute = $update && ($dbLogLevel >= DB_LOG_DEBUG);
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if ( $dbLogLevel > DB_LOG_OFF )
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Debug( "SQL-LOG: $sql".($noExecute?" (not executed)":"") );
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return( $noExecute );
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}
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function dbError( $sql )
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{
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Fatal( "SQL-ERR '".mysql_error()."', statement was '".$sql."'" );
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}
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function dbEscape( $string )
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{
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if ( version_compare( phpversion(), "4.3.0", "<") )
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if ( get_magic_quotes_gpc() )
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return( mysql_escape_string( stripslashes( $string ) ) );
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else
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return( mysql_escape_string( $string ) );
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else
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if ( get_magic_quotes_gpc() )
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return( mysql_real_escape_string( stripslashes( $string ) ) );
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else
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return( mysql_real_escape_string( $string ) );
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}
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function dbQuery( $sql )
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{
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global $dbConn;
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if ( dbLog( $sql, true ) )
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return;
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if (!($result = $dbCon->query( $sql )))
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dbError( $sql );
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return( $result );
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}
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function dbFetchOne( $sql, $col=false )
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{
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$result = dbQuery( $sql );
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if ( $dbRow = $result->fetch( PDO::FETCH_ASSOC ) )
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return( $col?$dbRow[$col]:$dbRow );
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return( false );
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}
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function dbFetchAll( $sql, $col=false )
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{
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$result = dbQuery( $sql );
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$dbRows = array();
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while( $dbRow = $result->fetch( PDO::FETCH_ASSOC ) )
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$dbRows[] = $col?$dbRow[$col]:$dbRow;
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return( $dbRows );
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}
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function dbFetchAssoc( $sql, $indexCol, $dataCol=false )
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{
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$result = dbQuery( $sql );
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$dbRows = array();
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while( $dbRow = $result->fetch( PDO::FETCH_ASSOC ) )
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$dbRows[$dbRow[$indexCol]] = $dataCol?$dbRow[$dataCol]:$dbRow;
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return( $dbRows );
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}
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function dbFetch( $sql, $col=false )
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{
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return( dbFetchAll( $sql, $col ) );
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}
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function dbFetchNext( $result, $col=false )
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{
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if ( $dbRow = $result->fetch( PDO::FETCH_ASSOC ) )
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return( $col?$dbRow[$col]:$dbRow );
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return( false );
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}
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function dbNumRows( $sql )
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{
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$result = dbQuery( $sql );
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return( $result->rowCount() );
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}
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function dbInsertId()
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{
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global $dbCon;
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return( $dbCon->lastInsertId() );
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}
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function getEnumValues( $table, $column )
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{
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$row = dbFetchOne( "describe $table $column" );
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preg_match_all( "/'([^']+)'/", $row['Type'], $matches );
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return( $matches[1] );
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}
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function getSetValues( $table, $column )
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{
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return( getEnumValues( $table, $column ) );
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}
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function getUniqueValues( $table, $column, $asString=1 )
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{
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$values = array();
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$sql = "select distinct $column from $table where (not isnull($column) and $column != '') order by $column";
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foreach( dbFetchAll( $sql ) as $row )
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{
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if ( $asString )
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$values[$row[$column]] = $row[$column];
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else
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$values[] = $row[$column];
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}
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return( $values );
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}
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function getTableColumns( $table, $asString=1 )
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{
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$columns = array();
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$table = dbEscape($table);
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$sql = "describe $table";
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foreach( dbFetchAll( $sql ) as $row )
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{
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if ( $asString )
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$columns[$row['Field']] = $row['Type'];
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else
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$columns[] = $row['Type'];
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}
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return( $columns );
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}
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function getTableAutoInc( $table )
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{
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$sql = "show table status where Name = '".dbEscape($table)."'";
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$row = dbFetchOne( $sql );
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return( $row['Auto_increment'] );
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}
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function getTableDescription( $table, $asString=1 )
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{
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$columns = array();
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$table = dbEscape($table);
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$sql = "describe $table";
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foreach( dbFetchAll( $sql ) as $row )
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{
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$desc = array(
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'name' => $row['Field'],
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'required' => ($row['Null']=='NO')?true:false,
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'default' => $row['Default'],
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'db' => $row,
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);
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if ( preg_match( "/^varchar\((\d+)\)$/", $row['Type'], $matches ) )
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{
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$desc['type'] = 'text';
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$desc['typeAttrib'] = 'varchar';
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$desc['maxLength'] = $matches[1];
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}
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elseif ( preg_match( "/^(\w+)?text$/", $row['Type'], $matches ) )
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{
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$desc['type'] = 'text';
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if (!empty($matches[1]) )
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$desc['typeAttrib'] = $matches[1];
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switch ( $matches[1] )
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{
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case 'tiny' :
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$desc['maxLength'] = 255;
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break;
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case 'medium' :
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$desc['maxLength'] = 32768;
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break;
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case '' :
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case 'big' :
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//$desc['minLength'] = -128;
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break;
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default :
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Error( "Unexpected text qualifier '".$matches[1]."' found for field '".$row['Field']."' in table '".$table."'" );
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break;
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}
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}
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elseif ( preg_match( "/^(enum|set)\((.*)\)$/", $row['Type'], $matches ) )
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{
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$desc['type'] = 'text';
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$desc['typeAttrib'] = $matches[1];
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preg_match_all( "/'([^']+)'/", $matches[2], $matches );
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$desc['values'] = $matches[1];
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}
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elseif ( preg_match( "/^(\w+)?int\(\d+\)(?:\s+(unsigned))?$/", $row['Type'], $matches ) )
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{
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$desc['type'] = 'integer';
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switch ( $matches[1] )
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{
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case 'tiny' :
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$desc['minValue'] = -128;
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$desc['maxValue'] = 127;
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break;
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case 'small' :
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$desc['minValue'] = -32768;
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$desc['maxValue'] = 32767;
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break;
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case 'medium' :
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$desc['minValue'] = -8388608;
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$desc['maxValue'] = 8388607;
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break;
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case '' :
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$desc['minValue'] = -2147483648;
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$desc['maxValue'] = 2147483647;
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break;
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case 'big' :
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//$desc['minValue'] = -128;
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//$desc['maxValue'] = 127;
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break;
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default :
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Error( "Unexpected integer qualifier '".$matches[1]."' found for field '".$row['Field']."' in table '".$table."'" );
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break;
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}
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if ( !empty($matches[1]) )
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$desc['typeAttrib'] = $matches[1];
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if ( $desc['unsigned'] = ( isset($matches[2]) && $matches[2] == 'unsigned' ) )
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{
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$desc['maxValue'] += (-$desc['minValue']);
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$desc['minValue'] = 0;
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}
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}
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elseif ( preg_match( "/^(?:decimal|numeric)\((\d+)(?:,(\d+))?\)(?:\s+(unsigned))?$/", $row['Type'], $matches ) )
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{
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$desc['type'] = 'fixed';
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$desc['range'] = $matches[1];
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if ( isset($matches[2]) )
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$desc['precision'] = $matches[2];
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else
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$desc['precision'] = 0;
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$desc['unsigned'] = ( isset($matches[3]) && $matches[3] == 'unsigned' );
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}
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elseif ( preg_match( "/^(datetime|timestamp|date|time)$/", $row['Type'], $matches ) )
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{
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$desc['type'] = 'datetime';
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switch ( $desc['typeAttrib'] = $matches[1] )
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{
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case 'datetime' :
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case 'timestamp' :
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$desc['hasDate'] = true;
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$desc['hasTime'] = true;
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break;
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case 'date' :
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$desc['hasDate'] = true;
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$desc['hasTime'] = false;
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break;
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case 'time' :
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$desc['hasDate'] = false;
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$desc['hasTime'] = true;
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break;
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}
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}
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else
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{
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Error( "Can't parse database type '".$row['Type']."' found for field '".$row['Field']."' in table '".$table."'" );
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}
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if ( $asString )
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$columns[$row['Field']] = $desc;
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else
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$columns[] = $desc;
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}
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return( $columns );
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}
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function dbFetchMonitor( $mid )
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{
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return( dbFetchOne( "select * from Monitors where Id = '".dbEscape($mid)."'" ) );
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}
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function dbFetchGroup( $gid )
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{
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return( dbFetchOne( "select * from Groups where Id = '".dbEscape($gid)."'" ) );
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}
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?>
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