The method addColumnSql() creates the SQL statement necessary to add one or more columns to an existing table, given by $tableName, with the attributes specified in the string $columnData. The column(s) must not already exist in the specified table. To add multiple columns, separate each column specification with a ','.

The information specified in the $columnData string must conform to the Column Attributes standard.

In order to actually create the column, the returned array must be passed to the executeSqlArray() method.

/*
 * Connecting to IBM DB2 database
*/
 
/*
 * Create dictionary object
*/
$dict = NewDataDictionary($db);
/*
 * Add 2 new columns to table
*/
$columns = 'ACTNOTES X, ACTMAXSALE N 12.2';
$sqlarray = $dict->addColumnSql('ACT',$columns);
 
print_r($sqlarray);
 
/*
 * Prints
Array
(
 [0] => ALTER TABLE ACT ADD ACTNOTES VARCHAR(3600)
 [1] => ALTER TABLE ACT ADD ACTMAXSALE DECIMAL(12,2)
)
*/
 
/*
 * Now execute the statements to actually create the columns
 */
$ok = $dict->executeSqlArray($sqlarray);