Tickets :: Comment on [#9151] Kronolith, Nag, Mnemo, Turba don't work with Oracle DB

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Comment	> I did some debugging: > > the error is thrown in the connect() function of > pear/php/MDB2/Driver/oci8.php > The function starts at line 429. > > The problem is the following part: > > // if ($this->database_name) { > // if ($this->database_name != $this->connected_database_name) { > // $query = 'ALTER SESSION SET CURRENT_SCHEMA = "' > .strtoupper($this->database_name) .'"'; > // $result =& $this->_doQuery($query); > // if (PEAR::isError($result)) { > // $err = $this->raiseError($result, null, null, > // 'Could not select the database: > '.$this->database_name, __FUNCTION__); > // return $err; > // } > $this->connected_database_name = $this->database_name; > // } > // } > > > As you can see, I uncommented all, except for on line. > I do have no errors any more in the log and have all features available. > But, this is only my workaround and cannot be the final fix. > > What is done here, as far as I figured out: > It checks, if this->database_name is set, and if so if it is > different then $this->connected_database_name, which is always true, > because $this->connected_database_name is set to an empty string a > few lines above. > > With these conditions fulfilled, it assumes, that we have to switch > to a different schema inside the oracle database and issues a "ALTER > SESSION SET CURRENT_SCHEMA" which has to fail, because > this->database_name is set to the connect-string. > > It can succeed, only when I connect to schema HORDE inside a database > named horde using a tnsnames.ora. That is not unlikely to happen in a > testing environment... > > I think, a few days ago, I saw inside the code, that at some place > this->database_name was set to an empty string aftre a successfull > connect- which at that time didn't made sense to me - but I can't > find it any more. > > Again, my php-knowledge ends here and I have to pass the ball back to you... >
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