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https://github.com/EGroupware/egroupware.git
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937 lines
24 KiB
PHP
937 lines
24 KiB
PHP
<?PHP
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// Copyright (c) 2003 ars Cognita Inc., all rights reserved
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/*******************************************************************************
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Released under both BSD license and Lesser GPL library license.
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Whenever there is any discrepancy between the two licenses,
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the BSD license will take precedence.
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*******************************************************************************/
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/**
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* xmlschema is a class that allows the user to quickly and easily
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* build a database on any ADOdb-supported platform using a simple
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* XML schema.
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*
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* @author Richard Tango-Lowy
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* @version $Revision$
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* @package xmlschema
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*/
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/**
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* Include the main ADODB library
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*/
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if (!defined( '_ADODB_LAYER' ) ) {
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require( dirname(__FILE__).'/adodb.inc.php' );
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}
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/**
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* Maximum length allowed for object prefix
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*/
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define( 'XMLS_PREFIX_MAXLEN', 10 );
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/**
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* Creates a table object in ADOdb's datadict format
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*
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* This class stores information about a database table. As charactaristics
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* of the table are loaded from the external source, methods and properties
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* of this class are used to build up the table description in ADOdb's
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* datadict format.
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*
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* @access private
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*/
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class dbTable {
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/**
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* @var string Table name
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*/
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var $tableName;
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/**
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* @var array Field specifier: Meta-information about each field
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*/
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var $fieldSpec;
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/**
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* @var array Table options: Table-level options
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*/
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var $tableOpts;
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/**
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* @var string Field index: Keeps track of which field is currently being processed
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*/
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var $currentField;
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/**
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* @var string If set (to 'ALTER' or 'REPLACE'), upgrade an existing database
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* @access private
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*/
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var $upgradeMethod;
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/**
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* Constructor. Iniitializes a new table object.
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*
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* If the table already exists, there are two methods available to upgrade it.
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* To upgrade an existing table the new schema by ALTERing the table, set the upgradeTable
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* argument to "ALTER." To force the new table to replace the current table, set the upgradeTable
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* argument to "REPLACE."
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*
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* @param string $name Table name
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* @param string $upgradeTable Upgrade method (NULL, ALTER, or REPLACE)
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*/
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function dbTable( $name, $upgradeTable = NULL ) {
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$this->tableName = $name;
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// If upgrading, set the upgrade method
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if( isset( $upgradeTable ) ) {
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$upgradeTable = strtoupper( $upgradeTable );
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if( $upgradeTable == 'ALTER' or $upgradeTable == 'REPLACE' ) {
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$this->upgradeMethod = strtoupper( $upgradeTable );
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print "<P>Upgrading table '$name' using {$this->upgradeMethod}</P>";
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} else {
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unset( $this->upgradeMethod );
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}
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} else {
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print "<P>Creating table '$name'</P>";
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}
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}
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/**
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* Adds a field to a table object
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*
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* $name is the name of the table to which the field should be added.
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* $type is an ADODB datadict field type. The following field types
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* are supported as of ADODB 3.40:
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* - C: varchar
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* - X: CLOB (character large object) or largest varchar size
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* if CLOB is not supported
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* - C2: Multibyte varchar
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* - X2: Multibyte CLOB
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* - B: BLOB (binary large object)
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* - D: Date (some databases do not support this, and we return a datetime type)
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* - T: Datetime or Timestamp
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* - L: Integer field suitable for storing booleans (0 or 1)
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* - I: Integer (mapped to I4)
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* - I1: 1-byte integer
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* - I2: 2-byte integer
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* - I4: 4-byte integer
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* - I8: 8-byte integer
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* - F: Floating point number
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* - N: Numeric or decimal number
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*
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* @param string $name Name of the table to which the field will be added.
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* @param string $type ADODB datadict field type.
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* @param string $size Field size
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* @param array $opts Field options array
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* @return array Field specifier array
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*/
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function addField( $name, $type, $size = NULL, $opts = NULL ) {
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// Set the field index so we know where we are
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$this->currentField = $name;
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// Set the field type (required)
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$this->fieldSpec[$name]['TYPE'] = $type;
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// Set the field size (optional)
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if( isset( $size ) ) {
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$this->fieldSpec[$name]['SIZE'] = $size;
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}
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// Set the field options
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if( isset( $opts ) ) $this->fieldSpec[$name]['OPTS'] = $opts;
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// Return array containing field specifier
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return $this->fieldSpec;
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}
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/**
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* Adds a field option to the current field specifier
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*
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* This method adds a field option allowed by the ADOdb datadict
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* and appends it to the given field.
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*
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* @param string $field Field name
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* @param string $opt ADOdb field option
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* @param mixed $value Field option value
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* @return array Field specifier array
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*/
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function addFieldOpt( $field, $opt, $value = NULL ) {
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// Add the option to the field specifier
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if( $value === NULL ) { // No value, so add only the option
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$this->fieldSpec[$field]['OPTS'][] = $opt;
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} else { // Add the option and value
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$this->fieldSpec[$field]['OPTS'][] = array( "$opt" => "$value" );
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}
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// Return array containing field specifier
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return $this->fieldSpec;
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}
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/**
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* Adds an option to the table
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*
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*This method takes a comma-separated list of table-level options
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* and appends them to the table object.
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*
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* @param string $opt Table option
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* @return string Option list
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*/
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function addTableOpt( $opt ) {
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$optlist = &$this->tableOpts;
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$optlist ? $optlist .= ", $opt" : $optlist = $opt;
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// Return the options list
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return $optlist;
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}
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/**
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* Generates the SQL that will create the table in the database
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*
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* Returns SQL that will create the table represented by the object.
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*
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* @param object $dict ADOdb data dictionary
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* @return array Array containing table creation SQL
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*/
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function create( $dict ) {
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// Loop through the field specifier array, building the associative array for the field options
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$fldarray = array();
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$i = 0;
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foreach( $this->fieldSpec as $field => $finfo ) {
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$i++;
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// Set an empty size if it isn't supplied
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if( !isset( $finfo['SIZE'] ) ) $finfo['SIZE'] = '';
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// Initialize the field array with the type and size
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$fldarray[$i] = array( $field, $finfo['TYPE'], $finfo['SIZE'] );
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// Loop through the options array and add the field options.
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if( isset( $finfo['OPTS'] ) ) {
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foreach( $finfo['OPTS'] as $opt ) {
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if( is_array( $opt ) ) { // Option has an argument.
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$key = key( $opt );
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$value = $opt[key( $opt ) ];
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$fldarray[$i][$key] = $value;
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} else { // Option doesn't have arguments
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array_push( $fldarray[$i], $opt );
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}
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}
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}
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}
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// Check for existing table
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$legacyTables = $dict->MetaTables();
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if( is_array( $legacyTables ) and count( $legacyTables > 0 ) ) {
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foreach( $dict->MetaTables() as $table ) {
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$this->legacyTables[ strtoupper( $table ) ] = $table;
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}
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if( in_array( strtoupper( $tableName ), $legacyTables ) ) {
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$existingTableName = $legacyTables[strtoupper( $tableName )];
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}
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}
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// Build table array
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if( !isset( $this->upgradeMethod ) or !isset( $existingTableName ) ) {
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// Create the new table
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$sqlArray = $dict->CreateTableSQL( $this->tableName, $fldarray, $this->tableOpts );
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print "<P>Generated create table SQL</P>";
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} else {
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// Upgrade an existing table
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switch( $this->upgradeMethod ) {
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case 'ALTER':
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// Use ChangeTableSQL
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print "<P>Generated ALTER table SQL</P>";
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$sqlArray = $dict->ChangeTableSQL( $this->tableName, $fldarray, $this->tableOpts );
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break;
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case 'REPLACE':
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$this->replace( $dict );
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break;
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default:
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}
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}
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// Return the array containing the SQL to create the table
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return $sqlArray;
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}
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/**
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* Generates the SQL that will replace an existing table in the database
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*
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* Returns SQL that will replace the table represented by the object.
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*
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* @return array Array containing table replacement SQL
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*/
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function replace( $dict ) {
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$oldTable = $this->tableName;
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$tempTable= "xmls_" . $this->tableName;
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// Create the new table
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$sqlArray = $dict->CreateTableSQL( $tempTable, $fldarray, $this->tableOpts );
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switch( $dict->dataProvider ) {
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case "posgres7":
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break;
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case "mysql":
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break;
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default:
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}
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}
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/**
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* Destructor
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*/
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function destroy() {
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unset( $this );
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}
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}
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/**
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* Creates an index object in ADOdb's datadict format
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*
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* This class stores information about a database index. As charactaristics
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* of the index are loaded from the external source, methods and properties
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* of this class are used to build up the index description in ADOdb's
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* datadict format.
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*
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* @access private
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*/
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class dbIndex {
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/**
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* @var string Index name
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*/
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var $indexName;
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/**
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* @var array Index options: Index-level options
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*/
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var $indexOpts;
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/**
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* @var string Name of the table this index is attached to
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*/
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var $tableName;
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/**
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* @var array Indexed fields: Table columns included in this index
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*/
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var $fields;
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/**
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* Constructor. Initialize the index and table names.
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*
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* @param string $name Index name
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* @param string $table Name of indexed table
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*/
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function dbIndex( $name, $table ) {
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$this->indexName = $name;
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$this->tableName = $table;
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}
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/**
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* Adds a field to the index
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*
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* This method adds the specified column to an index.
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*
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* @param string $name Field name
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* @return string Field list
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*/
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function addField( $name ) {
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$fieldlist = &$this->fields;
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$fieldlist ? $fieldlist .=" , $name" : $fieldlist = $name;
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// Return the field list
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return $fieldlist;
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}
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/**
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* Adds an option to the index
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*
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*This method takes a comma-separated list of index-level options
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* and appends them to the index object.
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*
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* @param string $opt Index option
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* @return string Option list
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*/
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function addIndexOpt( $opt ) {
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$optlist = &$this->indexOpts;
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$optlist ? $optlist .= ", $opt" : $optlist = $opt;
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// Return the options list
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return $optlist;
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}
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/**
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* Generates the SQL that will create the index in the database
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*
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* Returns SQL that will create the index represented by the object.
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*
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* @param object $dict ADOdb data dictionary object
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* @return array Array containing index creation SQL
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*/
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function create( $dict ) {
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if (isset($this->indexOpts) ) {
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// CreateIndexSQL requires an array of options.
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$indexOpts_arr = explode(",",$this->indexOpts);
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} else {
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$indexOpts_arr = NULL;
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}
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// Build table array
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$sqlArray = $dict->CreateIndexSQL( $this->indexName, $this->tableName, $this->fields, $indexOpts_arr );
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// Return the array containing the SQL to create the table
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return $sqlArray;
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}
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/**
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* Destructor
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*/
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function destroy() {
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unset( $this );
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}
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}
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/**
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* Creates the SQL to execute a list of provided SQL queries
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*
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* This class compiles a list of SQL queries specified in the external file.
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*
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* @access private
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*/
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class dbQuerySet {
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/**
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* @var array List of SQL queries
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*/
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var $querySet;
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/**
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* @var string String used to build of a query line by line
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*/
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var $query;
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/**
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* Constructor. Initializes the queries array
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*/
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function dbQuerySet() {
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$this->querySet = array();
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$this->query = '';
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}
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/**
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* Appends a line to a query that is being built line by line
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*
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* $param string $data Line of SQL data or NULL to initialize a new query
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*/
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function buildQuery( $data = NULL ) {
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isset( $data ) ? $this->query .= " " . trim( $data ) : $this->query = '';
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}
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/**
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* Adds a completed query to the query list
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*
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* @return string SQL of added query
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*/
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function addQuery() {
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// Push the query onto the query set array
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$finishedQuery = $this->query;
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array_push( $this->querySet, $finishedQuery );
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// Return the query set array
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return $finishedQuery;
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}
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/**
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* Creates and returns the current query set
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*
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* @return array Query set
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*/
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function create() {
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return $this->querySet;
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}
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/**
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* Destructor
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*/
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function destroy() {
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unset( $this );
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}
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}
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/**
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* Loads and parses an XML file, creating an array of "ready-to-run" SQL statements
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*
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* This class is used to load and parse the XML file, to create an array of SQL statements
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* that can be used to build a database, and to build the database using the SQL array.
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*
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* @package xmlschema
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*/
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class adoSchema {
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/**
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* @var array Array containing SQL queries to generate all objects
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*/
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var $sqlArray;
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/**
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* @var object XML Parser object
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* @access private
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*/
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var $xmlParser;
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/**
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* @var object ADOdb connection object
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* @access private
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*/
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var $dbconn;
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/**
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* @var string Database type (platform)
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* @access private
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*/
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var $dbType;
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/**
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* @var object ADOdb Data Dictionary
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* @access private
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*/
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var $dict;
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/**
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* @var object Temporary dbTable object
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* @access private
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*/
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var $table;
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/**
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* @var object Temporary dbIndex object
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* @access private
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*/
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var $index;
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/**
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* @var object Temporary dbQuerySet object
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* @access private
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*/
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var $querySet;
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/**
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* @var string Current XML element
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* @access private
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*/
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var $currentElement;
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/**
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* @var string If set (to 'ALTER' or 'REPLACE'), upgrade an existing database
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* @access private
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*/
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var $upgradeMethod;
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/**
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* @var mixed Existing tables before upgrade
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* @access private
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*/
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var $legacyTables;
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/**
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* @var string Optional object prefix
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* @access private
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*/
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var $objectPrefix;
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/**
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* @var long Original Magic Quotes Runtime value
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* @access private
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*/
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var $mgq;
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/**
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* @var long System debug
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* @access private
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*/
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var $debug;
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/**
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* Initializes the xmlschema object.
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*
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* adoSchema provides methods to parse and process the XML schema file, and is called automatically
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* when an xmlschema object is instantiated.
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*
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* The dbconn argument is a database connection object created by ADONewConnection.
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* Set upgradeSchema to TRUE to upgrade an existing database to the provided schema. By default,
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* adoSchema will attempt to upgrade tables by ALTERing them on the fly. Upgrading has only been tested
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* on the MySQL platform. It is know NOT to work on PostgreSQL. The forceReplace flag is not currently
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* implemented.
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*
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* @param object $dbconn ADOdb connection object
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* @param object $upgradeSchema Upgrade the database
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* @param object $forceReplace If upgrading, REPLACE tables (**NOT IMPLEMENTED**)
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*/
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function adoSchema( &$dbconn, $upgradeSchema = FALSE, $forceReplace = FALSE ) {
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// Initialize the environment
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$this->mgq = get_magic_quotes_runtime();
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set_magic_quotes_runtime(0);
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$this->dbconn = &$dbconn;
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$this->dbType = $dbconn->databaseType;
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$this->sqlArray = array();
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$this->debug = $this->dbconn->debug;
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|
|
// Create an ADOdb dictionary object
|
|
$this->dict = NewDataDictionary( $dbconn );
|
|
|
|
// If upgradeSchema is set, we will be upgrading an existing database to match
|
|
// the provided schema. If forceReplace is set, objects are marked for replacement
|
|
// rather than alteration.
|
|
if( $upgradeSchema == TRUE ) {
|
|
|
|
// Get the metadata from existing tables
|
|
$legacyTables = $this->dict->MetaTables();
|
|
if( is_array( $legacyTables ) and count( $legacyTables > 0 ) ) {
|
|
foreach( $this->dict->MetaTables() as $table ) {
|
|
$this->legacyTables[ strtoupper( $table ) ] = $table;
|
|
}
|
|
showDebug( $this->legacyTables, "LEGACY table" );
|
|
}
|
|
|
|
$forceReplace == TRUE ? $this->upgradeMethod = 'REPLACE' : $this->upgradeMethod = 'ALTER';
|
|
print "<P>Upgrading database schema using {$this->upgradeMethod}</P>";
|
|
} else {
|
|
print "<P>Creating new database schema</P>";
|
|
unset( $this->upgradeMethod );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Loads and XML document and parses it into a prepared schema
|
|
*
|
|
* This method accepts a path to an xmlschema-compliant XML file,
|
|
* loads it, parses it, and uses it to create the SQL to generate the objects
|
|
* described by the XML file.
|
|
*
|
|
* @param string $file XML file
|
|
* @return array Array of SQL queries, ready to execute
|
|
*/
|
|
function ParseSchema( $file ) {
|
|
|
|
// Create the parser
|
|
$this->xmlParser = &$xmlParser;
|
|
$xmlParser = xml_parser_create();
|
|
xml_set_object( $xmlParser, $this );
|
|
|
|
// Initialize the XML callback functions
|
|
xml_set_element_handler( $xmlParser, "_xmlcb_startElement", "_xmlcb_endElement" );
|
|
xml_set_character_data_handler( $xmlParser, "_xmlcb_cData" );
|
|
|
|
// Open the file
|
|
if( !( $fp = fopen( $file, "r" ) ) ) {
|
|
die( "Unable to open file" );
|
|
}
|
|
|
|
// Process the file
|
|
while( $data = fread( $fp, 4096 ) ) {
|
|
if( !xml_parse( $xmlParser, $data, feof( $fp ) ) ) {
|
|
die( sprintf( "XML error: %s at line %d",
|
|
xml_error_string( xml_get_error_code( $xmlParser ) ),
|
|
xml_get_current_line_number( $xmlParser ) ) );
|
|
}
|
|
}
|
|
|
|
// Return the array of queries
|
|
return $this->sqlArray;
|
|
}
|
|
|
|
/**
|
|
* Loads a schema into the database
|
|
*
|
|
* Accepts an array of SQL queries generated by the parser
|
|
* and executes them.
|
|
*
|
|
* @param array $sqlArray Array of SQL statements
|
|
* @param boolean $continueOnErr Don't fail out if an error is encountered
|
|
* @return integer 0 if failed, 1 if errors, 2 if successful
|
|
*/
|
|
function ExecuteSchema( $sqlArray, $continueOnErr = TRUE ) {
|
|
$err = $this->dict->ExecuteSQLArray( $sqlArray, $continueOnErr );
|
|
|
|
// Return the success code
|
|
return $err;
|
|
}
|
|
|
|
/**
|
|
* XML Callback to process start elements
|
|
*
|
|
* @access private
|
|
*/
|
|
function _xmlcb_startElement( $parser, $name, $attrs ) {
|
|
|
|
$dbType = $this->dbType;
|
|
if( isset( $this->table ) ) $table = &$this->table;
|
|
if( isset( $this->index ) ) $index = &$this->index;
|
|
if( isset( $this->querySet ) ) $querySet = &$this->querySet;
|
|
$this->currentElement = $name;
|
|
|
|
// Process the element. Ignore unimportant elements.
|
|
if( in_array( trim( $name ), array( "SCHEMA", "DESCR", "COL", "CONSTRAINT" ) ) ) {
|
|
return FALSE;
|
|
}
|
|
|
|
switch( $name ) {
|
|
|
|
case "CLUSTERED": // IndexOpt
|
|
case "BITMAP": // IndexOpt
|
|
case "UNIQUE": // IndexOpt
|
|
case "FULLTEXT": // IndexOpt
|
|
case "HASH": // IndexOpt
|
|
if( isset( $this->index ) ) $this->index->addIndexOpt( $name );
|
|
break;
|
|
|
|
case "TABLE": // Table element
|
|
if( !isset( $attrs['PLATFORM'] ) or $this->supportedPlatform( $attrs['PLATFORM'] ) ) {
|
|
isset( $this->objectPrefix ) ? $tableName = $this->objectPrefix . $attrs['NAME'] : $tableName = $attrs['NAME'];
|
|
$this->table = new dbTable( $tableName, $this->upgradeMethod );
|
|
} else {
|
|
unset( $this->table );
|
|
}
|
|
break;
|
|
|
|
case "FIELD": // Table field
|
|
if( isset( $this->table ) ) {
|
|
$fieldName = $attrs['NAME'];
|
|
$fieldType = $attrs['TYPE'];
|
|
isset( $attrs['SIZE'] ) ? $fieldSize = $attrs['SIZE'] : $fieldSize = NULL;
|
|
isset( $attrs['OPTS'] ) ? $fieldOpts = $attrs['OPTS'] : $fieldOpts = NULL;
|
|
$this->table->addField( $fieldName, $fieldType, $fieldSize, $fieldOpts );
|
|
}
|
|
break;
|
|
|
|
case "KEY": // Table field option
|
|
if( isset( $this->table ) ) {
|
|
$this->table->addFieldOpt( $this->table->currentField, 'KEY' );
|
|
}
|
|
break;
|
|
|
|
case "NOTNULL": // Table field option
|
|
if( isset( $this->table ) ) {
|
|
$this->table->addFieldOpt( $this->table->currentField, 'NOTNULL' );
|
|
}
|
|
break;
|
|
|
|
case "AUTOINCREMENT": // Table field option
|
|
if( isset( $this->table ) ) {
|
|
$this->table->addFieldOpt( $this->table->currentField, 'AUTOINCREMENT' );
|
|
}
|
|
break;
|
|
|
|
case "DEFAULT": // Table field option
|
|
if( isset( $this->table ) ) {
|
|
$this->table->addFieldOpt( $this->table->currentField, 'DEFAULT', $attrs['VALUE'] );
|
|
}
|
|
break;
|
|
|
|
case "INDEX": // Table index
|
|
if( !isset( $attrs['PLATFORM'] ) or $this->supportedPlatform( $attrs['PLATFORM'] ) ) {
|
|
isset( $this->objectPrefix ) ? $tableName = $this->objectPrefix . $attrs['TABLE'] : $tableName = $attrs['TABLE'];
|
|
$this->index = new dbIndex( $attrs['NAME'], $tableName );
|
|
} else {
|
|
if( isset( $this->index ) ) unset( $this->index );
|
|
}
|
|
break;
|
|
|
|
case "SQL": // Freeform SQL queryset
|
|
if( !isset( $attrs['PLATFORM'] ) or $this->supportedPlatform( $attrs['PLATFORM'] ) ) {
|
|
$this->querySet = new dbQuerySet( $attrs );
|
|
} else {
|
|
if( isset( $this->querySet ) ) unset( $this->querySet );
|
|
}
|
|
break;
|
|
|
|
case "QUERY": // Queryset SQL query
|
|
if( isset( $this->querySet ) ) {
|
|
// Ignore this query set if a platform is specified and it's different than the
|
|
// current connection platform.
|
|
if( !isset( $attrs['PLATFORM'] ) or $this->supportedPlatform( $attrs['PLATFORM'] ) ) {
|
|
$this->querySet->buildQuery();
|
|
} else {
|
|
if( isset( $this->querySet->query ) ) unset( $this->querySet->query );
|
|
}
|
|
}
|
|
break;
|
|
|
|
default:
|
|
if( $this->debug ) print "OPENING ELEMENT '$name'<BR/>\n";
|
|
}
|
|
}
|
|
|
|
/**
|
|
* XML Callback to process cDATA elements
|
|
*
|
|
* @access private
|
|
*/
|
|
function _xmlcb_cData( $parser, $data ) {
|
|
|
|
$element = &$this->currentElement;
|
|
|
|
if( trim( $data ) == "" ) return;
|
|
|
|
// Process the data depending on the element
|
|
switch( $element ) {
|
|
|
|
case "COL": // Index column
|
|
if( isset( $this->index ) ) $this->index->addField( $data );
|
|
break;
|
|
|
|
case "DESCR": // Description element
|
|
// Display the description information
|
|
if( isset( $this->table ) ) {
|
|
$name = "({$this->table->tableName}): ";
|
|
} elseif( isset( $this->index ) ) {
|
|
$name = "({$this->index->indexName}): ";
|
|
} else {
|
|
$name = "";
|
|
}
|
|
if( $this->debug ) print "<LI> $name $data\n";
|
|
break;
|
|
|
|
case "QUERY": // Query SQL data
|
|
if( isset( $this->querySet ) and isset( $this->querySet->query ) ) $this->querySet->buildQuery( $data );
|
|
break;
|
|
|
|
case "CONSTRAINT": // Table constraint
|
|
if( isset( $this->table ) ) $this->table->addTableOpt( $data );
|
|
break;
|
|
|
|
default:
|
|
if( $this->debug ) print "<UL><LI>CDATA ($element) $data</UL>\n";
|
|
}
|
|
}
|
|
|
|
/**
|
|
* XML Callback to process end elements
|
|
*
|
|
* @access private
|
|
*/
|
|
function _xmlcb_endElement( $parser, $name ) {
|
|
|
|
// Process the element. Ignore unimportant elements.
|
|
if( in_array( trim( $name ),
|
|
array( "SCHEMA", "DESCR", "KEY", "AUTOINCREMENT", "FIELD",
|
|
"DEFAULT", "NOTNULL", "CONSTRAINT", "COL" ) ) ) {
|
|
return FALSE;
|
|
}
|
|
|
|
switch( trim( $name ) ) {
|
|
|
|
case "TABLE": // Table element
|
|
if( isset( $this->table ) ) {
|
|
$tableSQL = $this->table->create( $this->dict );
|
|
|
|
// Handle case changes in MySQL
|
|
// Get the metadata from the database, convert old and new table names to the
|
|
// same case and compare. If they're the same, pop a RENAME onto the query stack.
|
|
$tableName = $this->table->tableName;
|
|
if( $this->dict->upperName == 'MYSQL' and $oldTableName = $this->legacyTables[ strtoupper( $tableName ) ] ) {
|
|
if( $oldTableName != $tableName ) {
|
|
print "RENAMING table $oldTableName to $tableName\n";
|
|
array_push( $this->sqlArray, "RENAME TABLE $oldTableName TO $tableName" );
|
|
}
|
|
}
|
|
foreach( $tableSQL as $query ) {
|
|
array_push( $this->sqlArray, $query );
|
|
}
|
|
$this->table->destroy();
|
|
}
|
|
break;
|
|
|
|
case "INDEX": // Index element
|
|
if( isset( $this->index ) ) {
|
|
$indexSQL = $this->index->create( $this->dict );
|
|
array_push( $this->sqlArray, $indexSQL[0] );
|
|
$this->index->destroy();
|
|
}
|
|
break;
|
|
|
|
case "QUERY": // Queryset element
|
|
if( isset( $this->querySet ) and isset( $this->querySet->query ) ) $this->querySet->addQuery();
|
|
break;
|
|
|
|
case "SQL": // Query SQL element
|
|
if( isset( $this->querySet ) ) {
|
|
$querySQL = $this->querySet->create();
|
|
$this->sqlArray = array_merge( $this->sqlArray, $querySQL );;
|
|
$this->querySet->destroy();
|
|
}
|
|
break;
|
|
|
|
default:
|
|
if( $this->debug ) print "<LI>CLOSING $name</UL>\n";
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Sets default table prefix
|
|
*
|
|
* Sets a standard prefix that will be prepended to all database tables during
|
|
* database creation. The prefix will automatically apply to tables referenced in indices as well.
|
|
* Calling setPrefix with no arguments clears the prefix.
|
|
*
|
|
* @param string $prefix Prefix
|
|
* @return boolean TRUE if successful, else FALSE
|
|
*/
|
|
function setPrefix( $prefix = '' ) {
|
|
if( !preg_match( '/[^\w]/', $prefix ) and strlen( $prefix < XMLS_PREFIX_MAXLEN ) ) {
|
|
$this->objectPrefix = $prefix;
|
|
return TRUE;
|
|
} else {
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Checks if element references a specific platform
|
|
*
|
|
* Returns TRUE is no platform is specified or if we are currently
|
|
* using the specified platform.
|
|
*
|
|
* @param string $platform Requested platform
|
|
* @return boolean TRUE if platform check succeeds
|
|
*
|
|
* @access private
|
|
*/
|
|
function supportedPlatform( $platform = NULL ) {
|
|
|
|
$dbType = $this->dbType;
|
|
$regex = "/^(\w*\|)*" . $dbType . "(\|\w*)*$/";
|
|
|
|
if( !isset( $platform ) or
|
|
preg_match( $regex, $platform ) ) {
|
|
return TRUE;
|
|
} else {
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Destroys the current object, freeing all bound resources
|
|
*
|
|
* It is recommended that you explicitly destroy all adoSchema objects when
|
|
* you are finished using them.
|
|
*/
|
|
function Destroy() {
|
|
xml_parser_free( $this->xmlParser );
|
|
set_magic_quotes_runtime( $this->mgq );
|
|
unset( $this );
|
|
}
|
|
}
|
|
?>
|