Hi,

I'm using ZF 1.7.3 and first time tried to union with ZF. In phpDoc section
it says;
/* The first parameter $select can be a string, an existing Zend_Db_Select
object or an array of either of these types. */

And what it does on the first a few lines of function is;
if (!is_array($select)) {
  $select = array();
}

Even i pass the zend_db_select object in an array, it produces sql query in
a logic like;
SELECT t1.fields*
*SELECT t2.fields* *
FROM t2
WHERE t2.conditions
FROM t1
WHERE t2.conditions

I'm using mysqli connection type with version 5.1.11

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