pg_result_error_field
Returns an individual field of an error report
Description
stringfalsenull pg_result_error_field(PgSql\Result $result, int $field_code)
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
-
An PgSql\Result instance, returned by pg_query,
pg_query_params or pg_execute(among others).
-
field_code
-
Possible field_code 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);
?>