Ejemplo n.º 1
0
 /**
  * Converts a XML description of a SQL index into a full SQL type
  *
  *	<index name="PRIMARY" type="primary">
  *		<column name="id"	/>
  *	</index>
  *	<index name="rate_chars">
  *		<column name="rate" />
  *		<column name="_mychars" nametype="namesuffix" size="8" ordering="DESC" />
  *	</index>
  *	<index name="myrate" type="unique" using="btree">
  *		<column name="rate" />
  *	</index>
  *
  * Returns: $fulltype: 'decimal(16,8) unsigned NULL DEFAULT NULL'
  *
  * @param  SimpleXMLElement    $index
  * @param  string              $colNamePrefix    Prefix to add to all column names
  * @return string|boolean                        Full SQL creation type or NULL in case of no index/error
  */
 protected function fullIndexType(SimpleXMLElement $index, $colNamePrefix)
 {
     $sqlIndexText = null;
     if ($index->getName() == 'index') {
         // first collect all columns of this index:
         $indexColumns = array();
         foreach ($index->children() as $column) {
             if ($column->getName() == 'column') {
                 $colNamePrefixed = $this->prefixedName($column, $colNamePrefix);
                 $indexColText = $this->_db->NameQuote($colNamePrefixed);
                 if ($column->attributes('size')) {
                     $indexColText .= ' (' . (int) $column->attributes('size') . ')';
                 }
                 if ($column->attributes('ordering')) {
                     $indexColText .= ' ' . $this->_db->getEscaped($column->attributes('ordering'));
                 }
                 $indexColumns[] = $indexColText;
             }
         }
         if (count($indexColumns) > 0) {
             // then build the index creation SQL:
             if ($index->attributes('type')) {
                 // PRIMARY, UNIQUE, FULLTEXT, SPATIAL:
                 $sqlIndexText .= $this->_db->getEscaped(strtoupper($index->attributes('type'))) . ' ';
             }
             $sqlIndexText .= 'KEY ';
             if ($index->attributes('type') !== 'primary') {
                 $sqlIndexText .= $this->_db->NameQuote($this->prefixedName($index, $colNamePrefix)) . ' ';
             }
             if ($index->attributes('using')) {
                 // BTREE, HASH, RTREE:
                 $sqlIndexText .= 'USING ' . $this->_db->getEscaped($index->attributes('using')) . ' ';
             }
             $sqlIndexText .= '(' . implode(', ', $indexColumns) . ')';
         }
     }
     return $sqlIndexText;
 }
Ejemplo n.º 2
0
 /**
  * Treats recursively a <data> or <field> node and its children
  *
  * @access private
  * @param  SimpleXmlElement  $data
  * @return array|null|string
  */
 protected function _composeSQLformula($data)
 {
     $this->_levelPush();
     $dType = $data->attributes('type');
     $formula = null;
     // should not be used here
     $moreFormulas = null;
     if (!$this->_reverse) {
         if ($dType == 'sql:field') {
             $formula = $this->process_sql_field($data);
         } elseif ($dType == 'sql:count') {
             $formula = $this->process_sql_count($data);
         }
     }
     $subFormula = array();
     if (!$this->_reverse || $data->attributes('table') != $this->_table) {
         //TBD LATER: shouldn't this be:  || ( $data->attributes( 'table' ) && ( $data->attributes( 'table' ) != $this->_table ) ) ) {
         if ($this->_reverse && $data->attributes('table') != $this->_table) {
             $this->joinsNeededForCount = true;
         }
         /** @var $child SimpleXmlElement */
         foreach ($data->children() as $child) {
             switch ($child->getName()) {
                 case 'data':
                     // recurse to process bottom-up
                     if ($child->attributes('type') == 'sql:subquery') {
                         $childrenFormulas = $this->process_subquery($child, true);
                     } else {
                         $childrenFormulas = $this->_composeSQLformula($child);
                     }
                     if (is_array($childrenFormulas)) {
                         $childrenFormulas = implode(', ', $childrenFormulas);
                     }
                     $subFormula[] = $childrenFormulas;
                     if (!$this->_reverse && $child->attributes('select') == 'true') {
                         $moreFormulas .= ', ' . $childrenFormulas;
                     }
                     break;
                 case 'where':
                     $this->_levelPush();
                     $this->process_where($child);
                     $this->_levelPop();
                     break;
                 default:
                     break;
             }
         }
     }
     switch ($dType) {
         case 'sql:count':
             // count of related records in other table:
             //			if ( $this->_reverse ) {
             //				$formula	=	$this->process_sql_count( $data );
             //			}
             break;
         case 'sql:field':
             // field value taken from related record in other table:
             if ($this->_reverse) {
                 $formula = $this->process_reverse_sql_field($data, $subFormula);
             }
             break;
         case 'sql:multiplerows':
             // multiple field values taken from related record in other table:
             //			if ( $this->_reverse ) {
             //				$formula	=	$this->process_multiplerows( $data );
             //			}
             break;
         case 'sql:operator':
             // any SQL operator between fields ( +, -, *, /, ...)
             $cnt_name = $this->_db->getEscaped($data->attributes('name'));
             $operator = $data->attributes('operator');
             $formula = '( ' . implode(' ' . $operator . ' ', $subFormula) . ' )' . ($cnt_name ? ' AS `' . $cnt_name . '`' : '');
             break;
         case 'sql:function':
             // any SQL function of fields ( SUM( f1, f2 ), AVG(...) )
             $cnt_name = $this->_db->getEscaped($data->attributes('name'));
             $operator = $data->attributes('operator');
             $formula = $operator . '( ' . implode(', ', $subFormula) . ' ) ' . ($cnt_name ? 'AS `' . $cnt_name . '`' : '');
             if ($operator == 'GROUP_CONCAT') {
                 // Normally GROUP_CONCAT is only 1 kB, increase it to maximum value:
                 $this->increaseGroupConcatMaxLen();
             }
             break;
         case 'sql:formula':
             // any SQL formula of fields ( GROUP_CONCAT( f1 f2 f3 ), SUM(...) )
             $cnt_name = $this->_db->getEscaped($data->attributes('name'));
             $operator = $data->attributes('operator');
             $formula = $operator . '( ' . implode(' ', $subFormula) . ' ) ' . ($cnt_name ? 'AS `' . $cnt_name . '`' : '');
             if ($operator == 'GROUP_CONCAT') {
                 // Normally GROUP_CONCAT is only 1 kB, increase it to maximum value:
                 $this->increaseGroupConcatMaxLen();
             }
             break;
         case null:
             // top-level probably, no type...
             $formula = $subFormula;
             // if not at top level, it will get imploded at level above.
             break;
         case 'param':
             // a plugin parameter of type string
         // a plugin parameter of type string
         case 'param:string':
             // a plugin parameter of type string
         // a plugin parameter of type string
         case 'param:int':
             // a plugin parameter of type int
         // a plugin parameter of type int
         case 'param:float':
             // a plugin parameter of type float
         // a plugin parameter of type float
         case 'param:datetime':
             // a plugin parameter of type datetime
             $formula = $this->process_param($data);
             break;
         default:
             // 'const:string', 'const:int', 'const:float' and much more:
             $name = $data->attributes('name');
             if ($data->attributes('translate') == 'yes') {
                 $name = CBTxt::T($name);
             }
             $formula = $this->sqlCleanQuote($name, $dType);
             if ($formula === false) {
                 trigger_error('SQLXML::_composeSQLformula: data type ' . $dType . ' is not implemented !', E_USER_NOTICE);
             }
             break;
     }
     $this->_levelPop();
     if (is_array($formula)) {
         if ($moreFormulas) {
             $formula[] = $moreFormulas;
         }
     } else {
         $formula .= $moreFormulas;
     }
     return $formula;
 }