hi muthu,
if you read the comments of fucntion Insert_ID() in file
adodb.in.php
it writes
/**
* @param $table string name of the table, not needed by all
databases (eg. mysql), default ''
* @param $column string name of the column, not needed by all
databases (eg. mysql), default ''
* @return the last inserted ID. Not all databases support this.
*/
gj.
On 2010-09-29 11:02.PD, Ap.Muthu wrote:
> The current ADOdb library is v5.11 on Care2x SVN trunk.
> It was v5.10 till about 2 to 3 weeks ago.
>
> When a record is inserted into a table, we use ADOdb's method
> $db->Insert_ID() to get us the last inserted ID where $db is the ADOdb
> connection object.
> The definition of the said method is in classes/adodb/adodb.inc.php files and
> is used within ADOdb in two files:-
> adodb-csvlib.inc.php - Line 44: $sql .= ','.$conn->Insert_ID();
> adodb-perf.inc.php (for logging) - Line 107: $conn->lastInsID =
> @$conn->Insert_ID();
>
> The specific MySQL driver we are using here is
> /calsses/adodb/drivers/adodb-mysq.inc.php
> The said driver has a class "mysql" that extends the base cass "ADOConnection"
> It has the class variable: var $hasInsertID = true;
> It also has a class method: _insertid()
> This method returns the last insert id and may possibly be for private use.
>
> The default class variables values in the base class ADOConnection are:
> var $lastInsID = false;
> var $hasInsertID = false; /// supports autoincrement ID?
> The latter is however overridden by a re-assignment in the mysql class.
>
> The class method ADOConnection::Insert_ID() is:
>
> function Insert_ID($table='',$column='')
> {
> if ($this->_logsql&& $this->lastInsID) return $this->lastInsID;
> if ($this->hasInsertID) return $this->_insertid($table,$column);
> if ($this->debug) {
> ADOConnection::outp( '<p>Insert_ID error</p>');
> adodb_backtrace();
> }
> return false;
> }
>
> > From the above it is clear that for the _insertid() to work, it should have
> > the table name and column name provided otherwise we have to check out what
> > defaults it will take.
>
>
> Regards,
> Ap.Muthu
>
>
>
>
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