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PHP : Function Reference : Sybase Functions : sybase_affected_rows

sybase_affected_rows

Gets number of affected rows in last query (PHP 4, PHP 5)
int sybase_affected_rows ( [resource link_identifier] )

sybase_affected_rows() returns the number of rows affected by the last INSERT, UPDATE or DELETE query on the server associated with the specified link identifier.

This command is not effective for SELECT statements, only on statements which modify records. To retrieve the number of rows returned from a SELECT, use sybase_num_rows().

Parameters

link_identifier

If the link identifier isn't specified, the last opened link is assumed.

Return Values

Returns the number of affected rows, as an integer.

Examples

Example 2522. Delete-Query

<?php
/* connect to database */
sybase_connect('SYBASE', '', '') or
die(
"Could not connect");
sybase_select_db("db");

sybase_query("DELETE FROM sometable WHERE id < 10");
printf("Records deleted: %d\n", sybase_affected_rows());
?>

The above example will output:

Records deleted: 10


Code Examples / Notes » sybase_affected_rows

neugeypc

The sybase_affected_rows() function seems to work now with the Sybase DB Library.  Not sure when this improvement was made, but I'm currently running PHP 4.1.2 on Solaris.
Affected rows seems to return a -1 if the query syntax was incorrect on the last submitted query.
Affected rows returns 0 if no rows were affected or another error occured, such as a foreign key violation and also returns 0 if the query was successfully, but no records were affected by the query.
If the query was valid and did affect some rows, sybase_affected_rows() seems to be returning the correct number.


james

If you get a segfault with sybase-ct, add a en_US entry to your $SYBASE/locales/locales.dat file:
<PRE>
[linux]
locale = en_US, us_english, iso_1
...
</PRE>


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sybase_affected_rows
sybase_close
sybase_connect
sybase_data_seek
sybase_deadlock_retry_count
sybase_fetch_array
sybase_fetch_assoc
sybase_fetch_field
sybase_fetch_object
sybase_fetch_row
sybase_field_seek
sybase_free_result
sybase_get_last_message
sybase_min_client_severity
sybase_min_error_severity
sybase_min_message_severity
sybase_min_server_severity
sybase_num_fields
sybase_num_rows
sybase_pconnect
sybase_query
sybase_result
sybase_select_db
sybase_set_message_handler
sybase_unbuffered_query
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