chamilo-lms2/tests/migrate/migration.mssql.class.php

<?php

/**
 *
 */
class MigrationMSSQL extends Migration {

    public function __construct($dbhost, $dbport = '1433', $dbuser, $dbpass, $dbname, $boost=false) {
        parent::__construct($dbhost, $dbport, $dbuser, $dbpass, $dbname, $boost);
        ini_set('display_errors', 1);
        ini_set('mssql.datetimeconvert', 0);
        $this->odbtype = 'mssql';
    }

    public function connect() {
        $this->c = mssql_connect($this->odbhost, $this->odbuser, $this->odbpass, TRUE);
        if ($this->c === false) {
            $this->errors_stack[] = 'Could not connect. MSSQL error: ' . mssql_get_last_message();
            return false;
        }
        mssql_select_db($this->odbname, $this->c);
        return true;
    }

    public function select_all($table, $fields, $options = array()) {
        $fields_sql = '';
        foreach ($fields as $field) {
            $fields_sql .= $field . ', ';
        }
        if (!empty($fields_sql)) {
            $fields_sql = substr($fields_sql, 0, -2);
        }
        //In order to process X item of each table add TOP X
        
        $top = null;
//        $top = " TOP 100000 ";
        if (in_array($table, array('Empleado', 'Alumno'))) {
            //$top = " TOP 2000 ";
        }

        if ($table == 'ProgramaAcademico') {
            //$top = ' TOP 1000 ';
        }
        if ($table == 'Matricula') {
            //$top = " TOP 1000 ";
        }
      
        //$top = null;
        //$top = " TOP 10 " ;
        $extra = null;
        if (isset($options) && !empty($options['inner_join'])) {
            $extra = ' '.$options['alias_orig_table'].' INNER JOIN '.$options['inner_join'].' '.$options['alias_join_table'].' ON '.$options['on'];
        }
        $order = isset($options['order']) ? $options['order'] : null;
        
        $sql = "SELECT $top $fields_sql FROM $table $extra $order";        
        $sql = isset($options['query']) ? sprintf($options['query'], "$top $fields_sql") : $sql;
        
        //Remove        
        $this->rows_iterator = mssql_query($sql, $this->c);
        
        if ($this->rows_iterator  === false) {
            error_log("--- Error with query $sql MSSQL error: ".mssql_get_last_message()."-- \n");
        }
    }

    public function fetch_row() {        
        return mssql_fetch_row($this->rows_iterator);
    }
    
    public function fetch_array() {        
        return mssql_fetch_array($this->rows_iterator, MSSQL_ASSOC);
    }
    public function num_rows() {
        return mssql_num_rows($this->rows_iterator);
    }
}