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pg_result_error_field
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pg_result_error_field

(PHP 5)

pg_result_error_field -- Returns an individual field of an error report.

Description

mixed pg_result_error_field ( resource result, int fieldcode )

pg_result_error_field() returns one of the detailed error message fields associated with result resource. It is only available against a PostgreSQL 7.4 or above server. The error field is specified by the fieldcode.

Because pg_query() and pg_query_params() return FALSE if the query fails, you must use pg_send_query() and pg_get_result() to get the result handle.

If you need to get additional error information from failed pg_query() queries, use pg_set_error_verbosity() and pg_last_error() and then parse the result.

Parameters

result

A PostgreSQL query result resource from a previously executed statement.

fieldcode

Possible fieldcode values are: PGSQL_DIAG_SEVERITY, PGSQL_DIAG_SQLSTATE, PGSQL_DIAG_MESSAGE_PRIMARY, PGSQL_DIAG_MESSAGE_DETAIL, PGSQL_DIAG_MESSAGE_HINT, PGSQL_DIAG_STATEMENT_POSITION, PGSQL_DIAG_INTERNAL_POSITION (PostgreSQL 8.0+ only), PGSQL_DIAG_INTERNAL_QUERY (PostgreSQL 8.0+ only), PGSQL_DIAG_CONTEXT, PGSQL_DIAG_SOURCE_FILE, PGSQL_DIAG_SOURCE_LINE or PGSQL_DIAG_SOURCE_FUNCTION.

Return Values

A string containing the contents of the error field, NULL if the field does not exist or FALSE on failure.

Examples

Example 1. pg_result_error_field() example

<?php
  $dbconn = pg_connect("dbname=publisher") or die("Could not connect");

  if (!pg_connection_busy($dbconn)) {
      pg_send_query($dbconn, "select * from doesnotexist;");
  }
  
  $res1 = pg_get_result($dbconn);
  echo pg_result_error_field($res1, PGSQL_DIAG_SQLSTATE);
?>

See Also

pg_result_error()

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pg_queryUppg_result_error

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