diff --git a/gulliver/system/class.database_mssql.php b/gulliver/system/class.database_mssql.php index fa12d898e..1d6076d6e 100755 --- a/gulliver/system/class.database_mssql.php +++ b/gulliver/system/class.database_mssql.php @@ -1,592 +1,594 @@ -. - * - * For more information, contact Colosa Inc, 2566 Le Jeune Rd., - * Coral Gables, FL, 33134, USA, or email info@colosa.com. - * - */ - -/** - * @package gulliver.system -*/ - -G::LoadSystem('database_base'); - -class database extends database_base { - - public $iFetchType = MSSQL_ASSOC; - - public function __construct($sType = DB_ADAPTER, $sServer = DB_HOST, $sUser = DB_USER, $sPass = DB_PASS, $sDataBase = DB_NAME) { - $this->sType = $sType; - $this->sServer = $sServer; - $this->sUser = $sUser; - $this->sPass = $sPass; - $this->sDataBase = $sDataBase; - $this->oConnection = @mssql_connect($sServer, $sUser, $sPass) || null; - $this->sQuoteCharacter = ' '; - $this->nullString = 'NULL'; - $this->sQuoteCharacterBegin = '['; - $this->sQuoteCharacterEnd = ']'; - } - - - - public function generateCreateTableSQL($sTable, $aColumns) { - $sKeys = ''; - $sSQL = 'CREATE TABLE ' . $this->sQuoteCharacter . $sTable . $this->sQuoteCharacter . '('; - - foreach ($aColumns as $sColumnName => $aParameters) { - if ($sColumnName != 'INDEXES') { - - if ( $sColumnName != '' && isset($aParameters['Type']) && $aParameters['Type'] != '' ){ - $sSQL .= $this->sQuoteCharacter . $sColumnName . $this->sQuoteCharacter . ' ' . $aParameters['Type']; - - if ( isset($aParameters['Null']) && $aParameters['Null'] == 'YES') { - $sSQL .= ' NULL'; - } else { - $sSQL .= ' NOT NULL'; - } - if ( isset($aParameters['Key']) && $aParameters['Key'] == 'PRI') { - $sKeys .= $this->sQuoteCharacter . $sColumnName . $this->sQuoteCharacter . ','; - } - - if ( isset($aParameters['Default']) && $aParameters['Default'] != '' ) { - $sSQL .= " DEFAULT '" . $aParameters['Default'] . "'"; - } - - $sSQL .= ','; - } - } - } - $sSQL = substr($sSQL, 0, -1); - if ($sKeys != '') { - $sSQL .= ',PRIMARY KEY(' . substr($sKeys, 0, -1) . ')'; - } - $sSQL .= ')' . $this->sEndLine; - - return $sSQL; - } - - public function generateDropTableSQL($sTable) { - return 'DROP TABLE ' . $this->sQuoteCharacter . $sTable . $this->sQuoteCharacter . $this->sEndLine; - } - - public function generateDropColumnSQL($sTable, $sColumn) { - // SQL Server first should remove the restriction before the Elimination of the field - $oConstraint = $this->dropFieldConstraint($sTable, $sColumn); - $sSQL = 'ALTER TABLE ' . $this->sQuoteCharacter . $sTable . $this->sQuoteCharacter . - ' DROP COLUMN ' . $this->sQuoteCharacter . $sColumn . $this->sQuoteCharacter . $this->sEndLine; - return $sSQL; - } - - public function generateAddColumnSQL($sTable, $sColumn, $aParameters) { - if ( isset($aParameters['Type']) && isset($aParameters['Null']) ) { - $sDefault = ""; - $sType = $aParameters['Type']; - $sDataType = $aParameters['Type']; - if(! in_array($sDataType, array("TEXT", "DATE") )) { - $sType = substr($sType, 0, strpos($sType,'(')); - } - switch($sType) { - case 'VARCHAR' : - case 'TEXT' : $sDefault = " DEFAULT '' "; - break; - case 'DATE' : $sDataType = " CHAR(19) "; - $sDefault = " DEFAULT '0000-00-00' "; // The date data type to use char (19) - break; - case 'INT' : - case 'FLOAT' : $sDataType = $sType; - $sDefault = " DEFAULT 0 "; - break; - } - $sSQL = "ALTER TABLE " . $this->sQuoteCharacter . $sTable . $this->sQuoteCharacter . - " ADD " . $this->sQuoteCharacter . $sColumn . $this->sQuoteCharacter . - " " . $aParameters['Type']; - if ($aParameters['Null'] == 'YES') { - $sSQL .= " NULL"; - } - else { - $sSQL .= " NOT NULL " . $sDefault; - - } - } - /*if ($aParameters['Key'] == 'PRI') { +. + * + * For more information, contact Colosa Inc, 2566 Le Jeune Rd., + * Coral Gables, FL, 33134, USA, or email info@colosa.com. + * + */ + +/** + * + * @package gulliver.system + * + */ + +G::LoadSystem( 'database_base' ); + +class database extends database_base +{ + public $iFetchType = MSSQL_ASSOC; + + public function __construct ($sType = DB_ADAPTER, $sServer = DB_HOST, $sUser = DB_USER, $sPass = DB_PASS, $sDataBase = DB_NAME) + { + $this->sType = $sType; + $this->sServer = $sServer; + $this->sUser = $sUser; + $this->sPass = $sPass; + $this->sDataBase = $sDataBase; + $this->oConnection = @mssql_connect( $sServer, $sUser, $sPass ) || null; + $this->sQuoteCharacter = ' '; + $this->nullString = 'NULL'; + $this->sQuoteCharacterBegin = '['; + $this->sQuoteCharacterEnd = ']'; + } + + public function generateCreateTableSQL ($sTable, $aColumns) + { + $sKeys = ''; + $sSQL = 'CREATE TABLE ' . $this->sQuoteCharacter . $sTable . $this->sQuoteCharacter . '('; + + foreach ($aColumns as $sColumnName => $aParameters) { + if ($sColumnName != 'INDEXES') { + + if ($sColumnName != '' && isset( $aParameters['Type'] ) && $aParameters['Type'] != '') { + $sSQL .= $this->sQuoteCharacter . $sColumnName . $this->sQuoteCharacter . ' ' . $aParameters['Type']; + + if (isset( $aParameters['Null'] ) && $aParameters['Null'] == 'YES') { + $sSQL .= ' NULL'; + } else { + $sSQL .= ' NOT NULL'; + } + if (isset( $aParameters['Key'] ) && $aParameters['Key'] == 'PRI') { + $sKeys .= $this->sQuoteCharacter . $sColumnName . $this->sQuoteCharacter . ','; + } + + if (isset( $aParameters['Default'] ) && $aParameters['Default'] != '') { + $sSQL .= " DEFAULT '" . $aParameters['Default'] . "'"; + } + + $sSQL .= ','; + } + } + } + $sSQL = substr( $sSQL, 0, - 1 ); + if ($sKeys != '') { + $sSQL .= ',PRIMARY KEY(' . substr( $sKeys, 0, - 1 ) . ')'; + } + $sSQL .= ')' . $this->sEndLine; + + return $sSQL; + } + + public function generateDropTableSQL ($sTable) + { + return 'DROP TABLE ' . $this->sQuoteCharacter . $sTable . $this->sQuoteCharacter . $this->sEndLine; + } + + public function generateDropColumnSQL ($sTable, $sColumn) + { + // SQL Server first should remove the restriction before the Elimination of the field + $oConstraint = $this->dropFieldConstraint( $sTable, $sColumn ); + $sSQL = 'ALTER TABLE ' . $this->sQuoteCharacter . $sTable . $this->sQuoteCharacter . ' DROP COLUMN ' . $this->sQuoteCharacter . $sColumn . $this->sQuoteCharacter . $this->sEndLine; + return $sSQL; + } + + public function generateAddColumnSQL ($sTable, $sColumn, $aParameters) + { + if (isset( $aParameters['Type'] ) && isset( $aParameters['Null'] )) { + $sDefault = ""; + $sType = $aParameters['Type']; + $sDataType = $aParameters['Type']; + if (! in_array( $sDataType, array ("TEXT","DATE" + ) )) { + $sType = substr( $sType, 0, strpos( $sType, '(' ) ); + } + switch ($sType) { + case 'VARCHAR': + case 'TEXT': + $sDefault = " DEFAULT '' "; + break; + case 'DATE': + $sDataType = " CHAR(19) "; + $sDefault = " DEFAULT '0000-00-00' "; // The date data type to use char (19) + break; + case 'INT': + case 'FLOAT': + $sDataType = $sType; + $sDefault = " DEFAULT 0 "; + break; + } + $sSQL = "ALTER TABLE " . $this->sQuoteCharacter . $sTable . $this->sQuoteCharacter . " ADD " . $this->sQuoteCharacter . $sColumn . $this->sQuoteCharacter . " " . $aParameters['Type']; + if ($aParameters['Null'] == 'YES') { + $sSQL .= " NULL"; + } else { + $sSQL .= " NOT NULL " . $sDefault; + + } + } + /*if ($aParameters['Key'] == 'PRI') { $sKeys .= 'ALTER TABLE ' . $this->sQuoteCharacter . $sTable . $this->sQuoteCharacter . ' ADD PRIMARY KEY (' . $this->sQuoteCharacter . $sColumn . $this->sQuoteCharacter . ')' . $this->sEndLine; - }*/ - if (isset($aParameters['AI'])) { - if ($aParameters['AI'] == 1) { - $sSQL .= ' AUTO_INCREMENT'; - } - else { - if ($aParameters['Default'] != '') { - $sSQL .= " DEFAULT '" . $aParameters['Default'] . "'"; - } - } - } - else { - if (isset($aParameters['Default']) && $aParameters['Default'] != '') { - $sSQL .= " DEFAULT '" . $aParameters['Default'] . "'"; - } - } - $sSQL .= $this->sEndLine; - return $sSQL; - } - - public function generateChangeColumnSQL($sTable, $sColumn, $aParameters, $sColumnNewName = '') { - $sSQL = 'ALTER TABLE ' . $this->sQuoteCharacter . $sTable . $this->sQuoteCharacter . - ' CHANGE COLUMN ' . $this->sQuoteCharacter . ($sColumnNewName != '' ? $sColumnNewName : $sColumn) . $this->sQuoteCharacter . - ' ' . $this->sQuoteCharacter . $sColumn . $this->sQuoteCharacter; - if (isset($aParameters['Type'])) { - $sSQL .= ' ' . $aParameters['Type']; - } - if (isset($aParameters['Null'])) { - if ($aParameters['Null'] == 'YES') { - $sSQL .= ' NULL'; - } - else { - $sSQL .= ' NOT NULL'; - } - } - //if (isset($aParameters['AI'])) { - // if ($aParameters['AI'] == 1) { - // $sSQL .= ' AUTO_INCREMENT'; - // } - // else { - // if (isset($aParameters['Default'])) { - // if ($aParameters['Default'] != '') { - // $sSQL .= " DEFAULT '" . $aParameters['Default'] . "'"; - // } - // } - // } - //} - //else { - if (isset($aParameters['Default'])) { - if ( trim($aParameters['Default'] == '') && $aParameters['Type'] == 'datetime' ) { - //do nothing - } - else - $sSQL .= " DEFAULT '" . $aParameters['Default'] . "'"; - //} - } - if (!isset($aParameters['Default']) && isset($aParameters['Null']) && $aParameters['Null'] == 'YES') { - $sSQL .= " DEFAULT NULL "; - } - //} - $sSQL .= $this->sEndLine; - return $sSQL; - } - - public function generateGetPrimaryKeysSQL($sTable) { - try { - if ($sTable == '') { - throw new Exception('The table name cannot be empty!'); - } - return 'SHOW INDEX FROM ' . $this->sQuoteCharacter . $sTable . $this->sQuoteCharacter . ' WHERE Seq_in_index = 1' . $this->sEndLine; - } - catch (Exception $oException) { - throw $oException; - } - } - - /** - * Get primary key - * @parameter string $sTable - * @return string $sPrimaryKey - */ - public function getPrimaryKey($sTable) - { - try { - $sSQL = " SELECT c.COLUMN_NAME " . - " FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS pk , " . - " INFORMATION_SCHEMA.KEY_COLUMN_USAGE c " . - " WHERE pk.TABLE_NAME = '" . trim($sTable) . "' " . - " AND CONSTRAINT_TYPE = 'PRIMARY KEY' " . - " AND c.TABLE_NAME = pk.TABLE_NAME " . - " AND c.CONSTRAINT_NAME = pk.CONSTRAINT_NAME "; - $oPrimaryKey = $this->executeQuery($sSQL); - $aPrimaryKey = mssql_fetch_array($oPrimaryKey); - mssql_free_result($oPrimaryKey); - return $aPrimaryKey[0]; - } catch (Exception $oException) { - throw $oException; - } - } - - /** - * Get Field Constraint - * @parameter string $sTable - * @parameter string $sField - * @return string $sFieldConstraint - */ - public function getFieldConstraint($sTable, $sField) - { - try { - $sSQL = " select a.name " . - " from sysobjects a " . - " inner join syscolumns b on a.id = b.cdefault " . - " where a.xtype = 'D' " . - " and a.parent_obj = (select id from sysobjects where xtype = 'U' and name = '" . trim($sTable) . "') " . - " and b.name = '" . trim($sField) . "' "; - - $oFieldConstraint = $this->executeQuery($sSQL); - $aFieldConstraint = mssql_fetch_array($oFieldConstraint); - mssql_free_result($oFieldConstraint); - return $aFieldConstraint[0]; - } catch (Exception $oException) { - throw $oException; - } - } - - - /** - * drop Field Constraint - * @parameter string $sTable - * @parameter string $sField - * @return object $oFieldConstraint - */ - public function dropFieldConstraint($sTable, $sField) - { - try { - $sConstraint = $this->getFieldConstraint($sTable, $sField); - $sSQL = "ALTER TABLE " . $sTable . " DROP CONSTRAINT " . $sConstraint . $this->sEndLine ; - $oFieldConstraint = $this->executeQuery($sSQL); - return $oFieldConstraint; - } catch (Exception $oException) { - throw $oException; - } - } - - - public function generateDropPrimaryKeysSQL($sTable) { - try { - if ($sTable == '') { - throw new Exception('The table name cannot be empty!'); - } - $sPrimayKey = $this->getPrimaryKey($sTable); - - return ' ALTER TABLE ' . $sTable . ' DROP CONSTRAINT ' . $sPrimayKey . $this->sEndLine; - } - catch (Exception $oException) { - throw $oException; - } - } - - public function generateAddPrimaryKeysSQL($sTable, $aPrimaryKeys) { - try { - if ($sTable == '') { - throw new Exception('The table name cannot be empty!'); - } - $sSQL = 'ALTER TABLE ' . $this->sQuoteCharacter . $sTable . $this->sQuoteCharacter . - ' ADD PRIMARY KEY ('; - foreach ($aPrimaryKeys as $sKey) { - $sSQL .= $this->sQuoteCharacter . $sKey . $this->sQuoteCharacter . ','; - } - $sSQL = substr($sSQL, 0, -1) . ')' . $this->sEndLine; - return $sSQL; - } - catch (Exception $oException) { - throw $oException; - } - } - - public function generateDropKeySQL($sTable, $sIndexName) { - try { - if ($sTable == '') { - throw new Exception('The table name cannot be empty!'); - } - if ($sIndexName == '') { - throw new Exception('The column name cannot be empty!'); - } - return 'ALTER TABLE ' . $this->sQuoteCharacter . $sTable . $this->sQuoteCharacter . ' DROP INDEX ' . $this->sQuoteCharacter . $sIndexName . $this->sQuoteCharacter . $this->sEndLine; - } - catch (Exception $oException) { - throw $oException; - } - } - - public function generateAddKeysSQL($sTable, $indexName, $aKeys) { - try { - $indexType = 'INDEX'; - if ( $indexName == 'primaryKey' || $indexName == 'PRIMARY' ) { - $indexType = 'PRIMARY'; - $indexName = 'KEY'; - } - $sSQL = 'ALTER TABLE ' . $this->sQuoteCharacter . $sTable . $this->sQuoteCharacter . ' ADD ' . $indexType . ' ' . $indexName . ' ('; - foreach ($aKeys as $sKey) { - $sSQL .= $this->sQuoteCharacter . $sKey . $this->sQuoteCharacter . ', '; - } - $sSQL = substr($sSQL, 0, -2); - $sSQL .= ')' . $this->sEndLine; - return $sSQL; - } - catch (Exception $oException) { - throw $oException; - } - } - - public function generateShowTablesSQL() { - return 'SHOW TABLES' . $this->sEndLine; - } - - public function generateShowTablesLikeSQL($sTable) { - return "SHOW TABLES LIKE '" . $sTable . "'" . $this->sEndLine; - } - - public function generateDescTableSQL($sTable) { - try { - if ($sTable == '') { - throw new Exception('The table name cannot be empty!'); - } - return 'DESC ' . $this->sQuoteCharacter . $sTable . $this->sQuoteCharacter . $this->sEndLine; - } - catch (Exception $oException) { - throw $oException; - } - } - - public function generateTableIndexSQL($sTable) { - return 'SHOW INDEX FROM ' . $this->sQuoteCharacter . $sTable . $this->sQuoteCharacter . " " . $this->sEndLine; - //return 'SHOW INDEX FROM ' . $this->sQuoteCharacter . $sTable . $this->sQuoteCharacter . " WHERE Key_name <> 'PRIMARY'" . $this->sEndLine; - } - - public function isConnected() { - if ( !$this->oConnection ) - return false; - return $this->executeQuery( 'USE ' . $this->sDataBase ); - } - - public function logQuery($sQuery ) { - try { - $found = false; - if ( substr($sQuery,0, 6) == 'SELECT' ) $found = true; - if ( substr($sQuery,0, 4) == 'SHOW' ) $found = true; - if ( substr($sQuery,0, 4) == 'DESC' ) $found = true; - if ( substr($sQuery,0, 4) == 'USE ' ) $found = true; - if ( ! $found ) { - $logFile = PATH_DATA . 'log' . PATH_SEP . 'query.log'; - $fp = fopen ( $logFile, 'a+' ); - fwrite ( $fp, date("Y-m-d H:i:s") . " " . $this->sDataBase . " " . $sQuery . "\n" ); - fclose ( $fp ); - } - } - catch (Exception $oException) { - } - } - - public function executeQuery($sQuery) { - $this->logQuery( $sQuery); - - try { - if ($this->oConnection) { - @mssql_select_db($this->sDataBase); - - return @mssql_query($sQuery); - } - else { - throw new Exception('invalid connection to database ' . $this->sDataBase ); - } - } - catch (Exception $oException) { - $this->logQuery( $oException->getMessage() ); - throw $oException; - } - } - - public function countResults($oDataset) { - return @mssql_num_rows($oDataset); - } - - public function getRegistry($oDataset) { - return @mssql_fetch_array($oDataset, $this->iFetchType); - } - - public function close() { - @mssql_close($this->oConnection); - } - - public function generateInsertSQL($table, $data) { - $fields = array(); - $values = array(); - foreach ($data as $field) { - $fields[] = $field['field']; - if (!is_null($field['value'])) { - switch ($field['type']) { - case 'text': - case 'date': - $values[] = "'" . addslashes($field['value']) . "'"; - break; - case 'int': - default: - $values[] = addslashes($field['value']); - break; - } - } - else { - $values[] = $this->nullString; - } - } - $fields = array_map(array($this, 'putQuotes'), $fields); - $sql = sprintf("INSERT INTO %s (%s) VALUES (%s)", $this->putQuotes($table), implode(', ', $fields), implode(', ', $values)); - return $sql; - } - - public function generateUpdateSQL($table, $keys, $data) { - $fields = array(); - $where = array(); - foreach ($data as $field) { - if (!is_null($field['value'])) { - switch ($field['type']) { - case 'text': - case 'date': - $fields[] = $this->putQuotes($field['field']) . " = '" . addslashes($field['value']) . "'"; - break; - case 'int': - default: - $fields[] = $this->putQuotes($field['field']) . " = " . addslashes($field['value']); - break; - } - } - else { - $values[] = $this->nullString; - } - if (in_array($field['field'], $keys)) { - $where[] = $fields[count($fields) - 1]; - } - } - $sql = sprintf("UPDATE %s SET %s WHERE %s", $this->putQuotes($table), implode(', ', $fields), implode(', ', $where)); - return $sql; - } - - public function generateDeleteSQL($table, $keys, $data) { - $fields = array(); - $where = array(); - foreach ($data as $field) { - if (in_array($field['field'], $keys)) { - if (!is_null($field['value'])) { - switch ($field['type']) { - case 'text': - case 'date': - $where[] = $this->putQuotes($field['field']) . " = '" . addslashes($field['value']) . "'"; - break; - case 'int': - default: - $where[] = $this->putQuotes($field['field']) . " = " . addslashes($field['value']); - break; - } - } - else { - $values[] = $this->nullString; - } - } - } - $sql = sprintf("DELETE FROM %s WHERE %s", $this->putQuotes($table), implode(', ', $where)); - return $sql; - } - - public function generateSelectSQL($table, $keys, $data) { - $fields = array(); - $where = array(); - foreach ($data as $field) { - if (in_array($field['field'], $keys)) { - if (!is_null($field['value'])) { - switch ($field['type']) { - case 'text': - case 'date': - $where[] = $this->putQuotes($field['field']) . " = '" . mysql_real_escape_string($field['value']) . "'"; - break; - case 'int': - default: - $where[] = $this->putQuotes($field['field']) . " = " . mysql_real_escape_string($field['value']); - break; - } - } - else { - $values[] = $this->nullString; - } - } - } - $sql = sprintf("SELECT * FROM %s WHERE %s", $this->putQuotes($table), implode(', ', $where)); - return $sql; - } - - private function putQuotes($element) { - return $this->sQuoteCharacterBegin . $element . $this->sQuoteCharacterEnd; - } - - /*=================================================================================================*/ - /** - * concatString - * Generates a string equivalent to the chosen database. - * - * author Hector Cortez - * date 2010-08-04 - * - * @return string $sConcat - */ - function concatString() - { - $nums = func_num_args(); - $vars = func_get_args(); - $sConcat = ""; - for($i = 0;$i < $nums; $i++) { - if(isset($vars[$i])) { - $sConcat .= $vars[$i]; - if(($i+1) < $nums) - $sConcat .= " + "; - } - } - return $sConcat; - } - - /* + }*/ + if (isset( $aParameters['AI'] )) { + if ($aParameters['AI'] == 1) { + $sSQL .= ' AUTO_INCREMENT'; + } else { + if ($aParameters['Default'] != '') { + $sSQL .= " DEFAULT '" . $aParameters['Default'] . "'"; + } + } + } else { + if (isset( $aParameters['Default'] ) && $aParameters['Default'] != '') { + $sSQL .= " DEFAULT '" . $aParameters['Default'] . "'"; + } + } + $sSQL .= $this->sEndLine; + return $sSQL; + } + + public function generateChangeColumnSQL ($sTable, $sColumn, $aParameters, $sColumnNewName = '') + { + $sSQL = 'ALTER TABLE ' . $this->sQuoteCharacter . $sTable . $this->sQuoteCharacter . ' CHANGE COLUMN ' . $this->sQuoteCharacter . ($sColumnNewName != '' ? $sColumnNewName : $sColumn) . $this->sQuoteCharacter . ' ' . $this->sQuoteCharacter . $sColumn . $this->sQuoteCharacter; + if (isset( $aParameters['Type'] )) { + $sSQL .= ' ' . $aParameters['Type']; + } + if (isset( $aParameters['Null'] )) { + if ($aParameters['Null'] == 'YES') { + $sSQL .= ' NULL'; + } else { + $sSQL .= ' NOT NULL'; + } + } + //if (isset($aParameters['AI'])) { + // if ($aParameters['AI'] == 1) { + // $sSQL .= ' AUTO_INCREMENT'; + // } + // else { + // if (isset($aParameters['Default'])) { + // if ($aParameters['Default'] != '') { + // $sSQL .= " DEFAULT '" . $aParameters['Default'] . "'"; + // } + // } + // } + //} + //else { + if (isset( $aParameters['Default'] )) { + if (trim( $aParameters['Default'] == '' ) && $aParameters['Type'] == 'datetime') { + //do nothing + } else + $sSQL .= " DEFAULT '" . $aParameters['Default'] . "'"; + //} + } + if (! isset( $aParameters['Default'] ) && isset( $aParameters['Null'] ) && $aParameters['Null'] == 'YES') { + $sSQL .= " DEFAULT NULL "; + } + //} + $sSQL .= $this->sEndLine; + return $sSQL; + } + + public function generateGetPrimaryKeysSQL ($sTable) + { + try { + if ($sTable == '') { + throw new Exception( 'The table name cannot be empty!' ); + } + return 'SHOW INDEX FROM ' . $this->sQuoteCharacter . $sTable . $this->sQuoteCharacter . ' WHERE Seq_in_index = 1' . $this->sEndLine; + } catch (Exception $oException) { + throw $oException; + } + } + + /** + * Get primary key + * + * @param eter string $sTable + * @return string $sPrimaryKey + */ + public function getPrimaryKey ($sTable) + { + try { + $sSQL = " SELECT c.COLUMN_NAME " . " FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS pk , " . " INFORMATION_SCHEMA.KEY_COLUMN_USAGE c " . " WHERE pk.TABLE_NAME = '" . trim( $sTable ) . "' " . " AND CONSTRAINT_TYPE = 'PRIMARY KEY' " . " AND c.TABLE_NAME = pk.TABLE_NAME " . " AND c.CONSTRAINT_NAME = pk.CONSTRAINT_NAME "; + $oPrimaryKey = $this->executeQuery( $sSQL ); + $aPrimaryKey = mssql_fetch_array( $oPrimaryKey ); + mssql_free_result( $oPrimaryKey ); + return $aPrimaryKey[0]; + } catch (Exception $oException) { + throw $oException; + } + } + + /** + * Get Field Constraint + * + * @param eter string $sTable + * @param eter string $sField + * @return string $sFieldConstraint + */ + public function getFieldConstraint ($sTable, $sField) + { + try { + $sSQL = " select a.name " . " from sysobjects a " . " inner join syscolumns b on a.id = b.cdefault " . " where a.xtype = 'D' " . " and a.parent_obj = (select id from sysobjects where xtype = 'U' and name = '" . trim( $sTable ) . "') " . " and b.name = '" . trim( $sField ) . "' "; + + $oFieldConstraint = $this->executeQuery( $sSQL ); + $aFieldConstraint = mssql_fetch_array( $oFieldConstraint ); + mssql_free_result( $oFieldConstraint ); + return $aFieldConstraint[0]; + } catch (Exception $oException) { + throw $oException; + } + } + + /** + * drop Field Constraint + * + * @param eter string $sTable + * @param eter string $sField + * @return object $oFieldConstraint + */ + public function dropFieldConstraint ($sTable, $sField) + { + try { + $sConstraint = $this->getFieldConstraint( $sTable, $sField ); + $sSQL = "ALTER TABLE " . $sTable . " DROP CONSTRAINT " . $sConstraint . $this->sEndLine; + $oFieldConstraint = $this->executeQuery( $sSQL ); + return $oFieldConstraint; + } catch (Exception $oException) { + throw $oException; + } + } + + public function generateDropPrimaryKeysSQL ($sTable) + { + try { + if ($sTable == '') { + throw new Exception( 'The table name cannot be empty!' ); + } + $sPrimayKey = $this->getPrimaryKey( $sTable ); + + return ' ALTER TABLE ' . $sTable . ' DROP CONSTRAINT ' . $sPrimayKey . $this->sEndLine; + } catch (Exception $oException) { + throw $oException; + } + } + + public function generateAddPrimaryKeysSQL ($sTable, $aPrimaryKeys) + { + try { + if ($sTable == '') { + throw new Exception( 'The table name cannot be empty!' ); + } + $sSQL = 'ALTER TABLE ' . $this->sQuoteCharacter . $sTable . $this->sQuoteCharacter . ' ADD PRIMARY KEY ('; + foreach ($aPrimaryKeys as $sKey) { + $sSQL .= $this->sQuoteCharacter . $sKey . $this->sQuoteCharacter . ','; + } + $sSQL = substr( $sSQL, 0, - 1 ) . ')' . $this->sEndLine; + return $sSQL; + } catch (Exception $oException) { + throw $oException; + } + } + + public function generateDropKeySQL ($sTable, $sIndexName) + { + try { + if ($sTable == '') { + throw new Exception( 'The table name cannot be empty!' ); + } + if ($sIndexName == '') { + throw new Exception( 'The column name cannot be empty!' ); + } + return 'ALTER TABLE ' . $this->sQuoteCharacter . $sTable . $this->sQuoteCharacter . ' DROP INDEX ' . $this->sQuoteCharacter . $sIndexName . $this->sQuoteCharacter . $this->sEndLine; + } catch (Exception $oException) { + throw $oException; + } + } + + public function generateAddKeysSQL ($sTable, $indexName, $aKeys) + { + try { + $indexType = 'INDEX'; + if ($indexName == 'primaryKey' || $indexName == 'PRIMARY') { + $indexType = 'PRIMARY'; + $indexName = 'KEY'; + } + $sSQL = 'ALTER TABLE ' . $this->sQuoteCharacter . $sTable . $this->sQuoteCharacter . ' ADD ' . $indexType . ' ' . $indexName . ' ('; + foreach ($aKeys as $sKey) { + $sSQL .= $this->sQuoteCharacter . $sKey . $this->sQuoteCharacter . ', '; + } + $sSQL = substr( $sSQL, 0, - 2 ); + $sSQL .= ')' . $this->sEndLine; + return $sSQL; + } catch (Exception $oException) { + throw $oException; + } + } + + public function generateShowTablesSQL () + { + return 'SHOW TABLES' . $this->sEndLine; + } + + public function generateShowTablesLikeSQL ($sTable) + { + return "SHOW TABLES LIKE '" . $sTable . "'" . $this->sEndLine; + } + + public function generateDescTableSQL ($sTable) + { + try { + if ($sTable == '') { + throw new Exception( 'The table name cannot be empty!' ); + } + return 'DESC ' . $this->sQuoteCharacter . $sTable . $this->sQuoteCharacter . $this->sEndLine; + } catch (Exception $oException) { + throw $oException; + } + } + + public function generateTableIndexSQL ($sTable) + { + return 'SHOW INDEX FROM ' . $this->sQuoteCharacter . $sTable . $this->sQuoteCharacter . " " . $this->sEndLine; + //return 'SHOW INDEX FROM ' . $this->sQuoteCharacter . $sTable . $this->sQuoteCharacter . " WHERE Key_name <> 'PRIMARY'" . $this->sEndLine; + } + + public function isConnected () + { + if (! $this->oConnection) + return false; + return $this->executeQuery( 'USE ' . $this->sDataBase ); + } + + public function logQuery ($sQuery) + { + try { + $found = false; + if (substr( $sQuery, 0, 6 ) == 'SELECT') + $found = true; + if (substr( $sQuery, 0, 4 ) == 'SHOW') + $found = true; + if (substr( $sQuery, 0, 4 ) == 'DESC') + $found = true; + if (substr( $sQuery, 0, 4 ) == 'USE ') + $found = true; + if (! $found) { + $logFile = PATH_DATA . 'log' . PATH_SEP . 'query.log'; + $fp = fopen( $logFile, 'a+' ); + fwrite( $fp, date( "Y-m-d H:i:s" ) . " " . $this->sDataBase . " " . $sQuery . "\n" ); + fclose( $fp ); + } + } catch (Exception $oException) { + } + } + + public function executeQuery ($sQuery) + { + $this->logQuery( $sQuery ); + + try { + if ($this->oConnection) { + @mssql_select_db( $this->sDataBase ); + + return @mssql_query( $sQuery ); + } else { + throw new Exception( 'invalid connection to database ' . $this->sDataBase ); + } + } catch (Exception $oException) { + $this->logQuery( $oException->getMessage() ); + throw $oException; + } + } + + public function countResults ($oDataset) + { + return @mssql_num_rows( $oDataset ); + } + + public function getRegistry ($oDataset) + { + return @mssql_fetch_array( $oDataset, $this->iFetchType ); + } + + public function close () + { + @mssql_close( $this->oConnection ); + } + + public function generateInsertSQL ($table, $data) + { + $fields = array (); + $values = array (); + foreach ($data as $field) { + $fields[] = $field['field']; + if (! is_null( $field['value'] )) { + switch ($field['type']) { + case 'text': + case 'date': + $values[] = "'" . addslashes( $field['value'] ) . "'"; + break; + case 'int': + default: + $values[] = addslashes( $field['value'] ); + break; + } + } else { + $values[] = $this->nullString; + } + } + $fields = array_map( array ($this,'putQuotes' + ), $fields ); + $sql = sprintf( "INSERT INTO %s (%s) VALUES (%s)", $this->putQuotes( $table ), implode( ', ', $fields ), implode( ', ', $values ) ); + return $sql; + } + + public function generateUpdateSQL ($table, $keys, $data) + { + $fields = array (); + $where = array (); + foreach ($data as $field) { + if (! is_null( $field['value'] )) { + switch ($field['type']) { + case 'text': + case 'date': + $fields[] = $this->putQuotes( $field['field'] ) . " = '" . addslashes( $field['value'] ) . "'"; + break; + case 'int': + default: + $fields[] = $this->putQuotes( $field['field'] ) . " = " . addslashes( $field['value'] ); + break; + } + } else { + $values[] = $this->nullString; + } + if (in_array( $field['field'], $keys )) { + $where[] = $fields[count( $fields ) - 1]; + } + } + $sql = sprintf( "UPDATE %s SET %s WHERE %s", $this->putQuotes( $table ), implode( ', ', $fields ), implode( ', ', $where ) ); + return $sql; + } + + public function generateDeleteSQL ($table, $keys, $data) + { + $fields = array (); + $where = array (); + foreach ($data as $field) { + if (in_array( $field['field'], $keys )) { + if (! is_null( $field['value'] )) { + switch ($field['type']) { + case 'text': + case 'date': + $where[] = $this->putQuotes( $field['field'] ) . " = '" . addslashes( $field['value'] ) . "'"; + break; + case 'int': + default: + $where[] = $this->putQuotes( $field['field'] ) . " = " . addslashes( $field['value'] ); + break; + } + } else { + $values[] = $this->nullString; + } + } + } + $sql = sprintf( "DELETE FROM %s WHERE %s", $this->putQuotes( $table ), implode( ', ', $where ) ); + return $sql; + } + + public function generateSelectSQL ($table, $keys, $data) + { + $fields = array (); + $where = array (); + foreach ($data as $field) { + if (in_array( $field['field'], $keys )) { + if (! is_null( $field['value'] )) { + switch ($field['type']) { + case 'text': + case 'date': + $where[] = $this->putQuotes( $field['field'] ) . " = '" . mysql_real_escape_string( $field['value'] ) . "'"; + break; + case 'int': + default: + $where[] = $this->putQuotes( $field['field'] ) . " = " . mysql_real_escape_string( $field['value'] ); + break; + } + } else { + $values[] = $this->nullString; + } + } + } + $sql = sprintf( "SELECT * FROM %s WHERE %s", $this->putQuotes( $table ), implode( ', ', $where ) ); + return $sql; + } + + private function putQuotes ($element) + { + return $this->sQuoteCharacterBegin . $element . $this->sQuoteCharacterEnd; + } + + /*=================================================================================================*/ + /** + * concatString + * Generates a string equivalent to the chosen database. + * + * author Hector Cortez + * date 2010-08-04 + * + * @return string $sConcat + */ + function concatString() + { + $nums = func_num_args(); + $vars = func_get_args(); + $sConcat = ""; + for ($i = 0; $i < $nums; $i ++) { + if (isset( $vars[$i] )) { + $sConcat .= $vars[$i]; + if (($i + 1) < $nums) + $sConcat .= " + "; + } + } + return $sConcat; + } + + /* * query functions for class class.case.php * - */ - /** - * concatString - * Generates a string equivalent to the case when - * - * @author Hector Cortez - * date 2010-08-04 - * - * @return string $sCompare - */ - function getCaseWhen($compareValue, $trueResult, $falseResult) - { - $sCompare = " CASE WHEN " . $compareValue . " THEN " . $trueResult . " ELSE " . $falseResult . " END "; - return $sCompare; - } - - /** - * Generates a string equivalent to create table ObjectPermission - * - * class.case.php - * function verifyTable() - * - * @return string $sql - */ - function createTableObjectPermission() - { - $sql = "IF NOT EXISTS (SELECT * FROM sysobjects WHERE name='OBJECT_PERMISSION' AND xtype='U') + */ + /** + * concatString + * Generates a string equivalent to the case when + * + * @author Hector Cortez + * date 2010-08-04 + * + * @return string $sCompare + */ + function getCaseWhen($compareValue, $trueResult, $falseResult) + { + $sCompare = " CASE WHEN " . $compareValue . " THEN " . $trueResult . " ELSE " . $falseResult . " END "; + return $sCompare; + } + + /** + * Generates a string equivalent to create table ObjectPermission + * + * class.case.php + * function verifyTable() + * + * @return string $sql + */ + function createTableObjectPermission() + { + $sql = "IF NOT EXISTS (SELECT * FROM sysobjects WHERE name='OBJECT_PERMISSION' AND xtype='U') CREATE TABLE OBJECT_PERMISSION ( OP_UID varchar(32) NOT NULL, PRO_UID varchar(32) NOT NULL, @@ -598,30 +600,29 @@ class database extends database_base { OP_OBJ_TYPE varchar(15) NOT NULL default 'ANY', OP_OBJ_UID varchar(32) NOT NULL, OP_ACTION varchar(10) NOT NULL default 'VIEW', - CONSTRAINT PK_PRO_UID PRIMARY KEY CLUSTERED (PRO_UID, TAS_UID,USR_UID, OP_TASK_SOURCE, OP_OBJ_UID) )"; - return $sql; - } - - /* + CONSTRAINT PK_PRO_UID PRIMARY KEY CLUSTERED (PRO_UID, TAS_UID,USR_UID, OP_TASK_SOURCE, OP_OBJ_UID) )"; + return $sql; + } + + /* * query functions for class class.report.php * - */ - /** - * Generates a string query - * - * class.report.php - * function generatedReport4() - * - * @return string $sql - */ - function getSelectReport4() - { - - $sqlConcat = " U.USR_LASTNAME + ' ' + USR_FIRSTNAME AS [USER] "; - $sqlGroupBy = " U.USR_LASTNAME + ' ' + USR_FIRSTNAME "; - - $sql = "SELECT " . $sqlConcat . ", " . - " COUNT(*) AS CANTCASES, + */ + /** + * Generates a string query + * + * class.report.php + * function generatedReport4() + * + * @return string $sql + */ + function getSelectReport4() + { + + $sqlConcat = " U.USR_LASTNAME + ' ' + USR_FIRSTNAME AS [USER] "; + $sqlGroupBy = " U.USR_LASTNAME + ' ' + USR_FIRSTNAME "; + + $sql = "SELECT " . $sqlConcat . ", " . " COUNT(*) AS CANTCASES, MIN(AD.DEL_DURATION) AS MIN, MAX(AD.DEL_DURATION) AS MAX, SUM(AD.DEL_DURATION) AS TOTALDUR, @@ -630,27 +631,26 @@ class database extends database_base { LEFT JOIN APP_DELEGATION AS AD ON(A.APP_UID = AD.APP_UID AND AD.DEL_INDEX=1) LEFT JOIN USERS AS U ON(U.USR_UID = A.APP_INIT_USER) WHERE A.APP_UID<>'' - GROUP BY " . $sqlGroupBy; - - return $sql; - - } - - /** - * Generates a string query - * - * class.report.php - * function generatedReport4_filter() - * - * @return string $sql - */ - function getSelectReport4Filter($var) - { - $sqlConcat = " U.USR_LASTNAME + ' ' + USR_FIRSTNAME AS [USER] "; - $sqlGroupBy = " U.USR_LASTNAME + ' ' + USR_FIRSTNAME "; - - $sql = " SELECT " . $sqlConcat . ", " . - " COUNT(*) AS CANTCASES, + GROUP BY " . $sqlGroupBy; + + return $sql; + + } + + /** + * Generates a string query + * + * class.report.php + * function generatedReport4_filter() + * + * @return string $sql + */ + function getSelectReport4Filter($var) + { + $sqlConcat = " U.USR_LASTNAME + ' ' + USR_FIRSTNAME AS [USER] "; + $sqlGroupBy = " U.USR_LASTNAME + ' ' + USR_FIRSTNAME "; + + $sql = " SELECT " . $sqlConcat . ", " . " COUNT(*) AS CANTCASES, MIN(AD.DEL_DURATION) AS MIN, MAX(AD.DEL_DURATION) AS MAX, SUM(AD.DEL_DURATION) AS TOTALDUR, @@ -658,29 +658,28 @@ class database extends database_base { FROM APPLICATION AS A LEFT JOIN APP_DELEGATION AS AD ON(A.APP_UID = AD.APP_UID AND AD.DEL_INDEX=1) LEFT JOIN USERS AS U ON(U.USR_UID = A.APP_INIT_USER) - ".$var." - GROUP BY " . $sqlGroupBy; - - return $sql; - - } - - /** - * Generates a string query - * - * class.report.php - * function generatedReport5() - * - * @return string $sql - */ - function getSelectReport5() - { - - $sqlConcat = " U.USR_LASTNAME + ' ' + USR_FIRSTNAME AS [USER] "; - $sqlGroupBy = " U.USR_LASTNAME + ' ' + USR_FIRSTNAME "; - - $sql = " SELECT " . $sqlConcat . ", " . - " COUNT(*) AS CANTCASES, + " . $var . " + GROUP BY " . $sqlGroupBy; + + return $sql; + + } + + /** + * Generates a string query + * + * class.report.php + * function generatedReport5() + * + * @return string $sql + */ + function getSelectReport5() + { + + $sqlConcat = " U.USR_LASTNAME + ' ' + USR_FIRSTNAME AS [USER] "; + $sqlGroupBy = " U.USR_LASTNAME + ' ' + USR_FIRSTNAME "; + + $sql = " SELECT " . $sqlConcat . ", " . " COUNT(*) AS CANTCASES, MIN(AD.DEL_DURATION) AS MIN, MAX(AD.DEL_DURATION) AS MAX, SUM(AD.DEL_DURATION) AS TOTALDUR, @@ -689,28 +688,27 @@ class database extends database_base { LEFT JOIN PROCESS AS P ON (P.PRO_UID = AD.PRO_UID) LEFT JOIN USERS AS U ON(U.USR_UID = AD.USR_UID) WHERE AD.APP_UID<>'' AND AD.DEL_FINISH_DATE IS NULL - GROUP BY " . $sqlGroupBy; - - return $sql; - - } - - /** - * Generates a string query - * - * class.report.php - * function generatedReport5_filter() - * - * @return string $sql - */ - function getSelectReport5Filter($var) - { - - $sqlConcat = " U.USR_LASTNAME + ' ' + USR_FIRSTNAME AS [USER] "; - $sqlGroupBy = " U.USR_LASTNAME + ' ' + USR_FIRSTNAME "; - - $sql = "SELECT " . $sqlConcat . ", " . - " COUNT(*) AS CANTCASES, + GROUP BY " . $sqlGroupBy; + + return $sql; + + } + + /** + * Generates a string query + * + * class.report.php + * function generatedReport5_filter() + * + * @return string $sql + */ + function getSelectReport5Filter($var) + { + + $sqlConcat = " U.USR_LASTNAME + ' ' + USR_FIRSTNAME AS [USER] "; + $sqlGroupBy = " U.USR_LASTNAME + ' ' + USR_FIRSTNAME "; + + $sql = "SELECT " . $sqlConcat . ", " . " COUNT(*) AS CANTCASES, MIN(AD.DEL_DURATION) AS MIN, MAX(AD.DEL_DURATION) AS MAX, SUM(AD.DEL_DURATION) AS TOTALDUR, @@ -718,50 +716,47 @@ class database extends database_base { FROM APP_DELEGATION AS AD LEFT JOIN PROCESS AS P ON (P.PRO_UID = AD.PRO_UID) LEFT JOIN USERS AS U ON(U.USR_UID = AD.USR_UID) - ".$var." - GROUP BY " . $sqlGroupBy; - - return $sql; - } - - /* - * query functions for class class.net.php - * - */ - function getServerVersion($driver, $dbIP, $dbPort, $dbUser, $dbPasswd, $dbSourcename) - { - - if(strlen(trim($dbIP))<=0) - $dbIP = DB_HOST; - if($link = @mssql_connect($dbIP, $dbUser, $dbPasswd)){ - @mssql_select_db( DB_NAME, $link ); - $oResult = @mssql_query("select substring(@@version, 21, 6) + ' (' + CAST(SERVERPROPERTY ('productlevel') as varchar(10)) + ') ' + CAST(SERVERPROPERTY('productversion') AS VARCHAR(15)) + ' ' + CAST(SERVERPROPERTY ('edition') AS VARCHAR(25)) as version; ", $link); - $aResult = @mssql_fetch_array($oResult); - @mssql_free_result($oResult); - $v = $aResult[0]; - } else { - throw new Exception(@mssql_error($link)); - } - return (isset($v))?$v:'none'; - - } - - + " . $var . " + GROUP BY " . $sqlGroupBy; + + return $sql; + } + /* * query functions for class class.net.php * - */ - function getDropTable($sTableName) - { - $sql = "IF NOT EXISTS (SELECT * FROM sysobjects WHERE name='" . $sTableName . "' AND xtype='U') " . - "DROP TABLE ['" . $sTableName . "']"; - return $sql; - } - - - function getTableDescription($sTableName) - { - $sql = " select column_name as Field, + */ + function getServerVersion($driver, $dbIP, $dbPort, $dbUser, $dbPasswd, $dbSourcename) + { + + if (strlen( trim( $dbIP ) ) <= 0) + $dbIP = DB_HOST; + if ($link = @mssql_connect( $dbIP, $dbUser, $dbPasswd )) { + @mssql_select_db( DB_NAME, $link ); + $oResult = @mssql_query( "select substring(@@version, 21, 6) + ' (' + CAST(SERVERPROPERTY ('productlevel') as varchar(10)) + ') ' + CAST(SERVERPROPERTY('productversion') AS VARCHAR(15)) + ' ' + CAST(SERVERPROPERTY ('edition') AS VARCHAR(25)) as version; ", $link ); + $aResult = @mssql_fetch_array( $oResult ); + @mssql_free_result( $oResult ); + $v = $aResult[0]; + } else { + throw new Exception( @mssql_error( $link ) ); + } + return (isset( $v )) ? $v : 'none'; + + } + + /* + * query functions for class class.net.php + * + */ + function getDropTable($sTableName) + { + $sql = "IF NOT EXISTS (SELECT * FROM sysobjects WHERE name='" . $sTableName . "' AND xtype='U') " . "DROP TABLE ['" . $sTableName . "']"; + return $sql; + } + + function getTableDescription($sTableName) + { + $sql = " select column_name as Field, data_type + ' ' + (case data_type when 'char' @@ -777,56 +772,56 @@ class database extends database_base { when 'No' then 'NO' else 'YES' END) AS AsNull, COLUMN_DEFAULT as [Default] FROM information_schema.columns - WHERE table_name = '" . trim($sTableName) . "'" . - " Order by Ordinal_Position asc "; - return $sql; - } - - function getFieldNull() - { - $fieldName = "AsNull"; - return $fieldName; - } - - function getValidate($validate) - { - $oValidate = true; - return $oValidate; - } - - /** - * Determines whether a table exists - * It is part of class.reportTables.php - */ - function reportTableExist() - { - $bExists = true; - $oConnection = mssql_connect(DB_HOST, DB_USER, DB_PASS); - mssql_select_db(DB_NAME); - $oDataset = mssql_query('SELECT COUNT(*) FROM REPORT_TABLE') || ($bExists = false); - - return $bExists; - } - - /** - * It is part of class.pagedTable.php - */ - function getLimitRenderTable($nCurrentPage, $nRowsPerPage) - { - $sql = ""; - return $sql; - } - - /** - * Determining the existence of a table - */ - function tableExists ($table, $db) { - $sql = "SELECT * FROM sysobjects WHERE name='" . $table . "' AND type='u'"; - $bExists = true; - $oConnection = mssql_connect(DB_HOST, DB_USER, DB_PASS); - mssql_select_db(DB_NAME); - $oDataset = mssql_query($sql) || ($bExists = false); - return $bExists; - } - -} \ No newline at end of file + WHERE table_name = '" . trim( $sTableName ) . "'" . " Order by Ordinal_Position asc "; + return $sql; + } + + function getFieldNull() + { + $fieldName = "AsNull"; + return $fieldName; + } + + function getValidate($validate) + { + $oValidate = true; + return $oValidate; + } + + /** + * Determines whether a table exists + * It is part of class.reportTables.php + */ + function reportTableExist() + { + $bExists = true; + $oConnection = mssql_connect( DB_HOST, DB_USER, DB_PASS ); + mssql_select_db( DB_NAME ); + $oDataset = mssql_query( 'SELECT COUNT(*) FROM REPORT_TABLE' ) || ($bExists = false); + + return $bExists; + } + + /** + * It is part of class.pagedTable.php + */ + function getLimitRenderTable($nCurrentPage, $nRowsPerPage) + { + $sql = ""; + return $sql; + } + + /** + * Determining the existence of a table + */ + function tableExists($table, $db) + { + $sql = "SELECT * FROM sysobjects WHERE name='" . $table . "' AND type='u'"; + $bExists = true; + $oConnection = mssql_connect( DB_HOST, DB_USER, DB_PASS ); + mssql_select_db( DB_NAME ); + $oDataset = mssql_query( $sql ) || ($bExists = false); + return $bExists; + } +} +