pg_last_oid

pg_last_oid

Returns the last row's OID

 **pg_last_oid** PgSql\Result $result

is used to retrieve the
assigned to an inserted row.

pg_last_oid``OID

OID field became an optional field from PostgreSQL 7.2 and will not be present by default in PostgreSQL 8.1. When the OID field is not present in a table, the programmer must use to check for successful insertion. pg_result_status

To get the value of a field in an inserted row, it is necessary to use the PostgreSQL function, naming the sequence whose last value is required. If the name of the sequence is unknown, the PostgreSQL 8.0 function is necessary. SERIAL``CURRVAL``pg_get_serial_sequence

PostgreSQL 8.1 has a function that returns the value of the most recently used sequence in the session. This avoids the need for naming the sequence, table or column altogether. LASTVAL

Opmerking: > This function used to be called . pg_getlastoid

result

An or containing the OID assigned to the most recently inserted row in the specified , or false on error or no available OID. int``string``connection

Voorbeeld: example

<?php
  // Connect to the database
  pg_connect("dbname=mark host=localhost");

  // Create a sample table
  pg_query("CREATE TABLE test (a INTEGER) WITH OIDS");

  // Insert some data into it
  $res = pg_query("INSERT INTO test VALUES (1)");

  $oid = pg_last_oid($res);
?>

pg_query``pg_result_status