08-08-2007
Robotronic's way works.. many thanks...
Basically we have an export from an application where description fields can contain any characters. Currently on the third column this is defined as enabled, if the value is 3 we keep the record, if anything else we disregard it. As in my initial example if i just did a test on the third field in awk (using -F, as the delimeter) then in row 2 the third field would be "comma", in 3 it would be "can". So would get excluded when they should be included.
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LEARN ABOUT PHP
pg_fetch_result
PG_FETCH_RESULT(3) PG_FETCH_RESULT(3)
pg_fetch_result - Returns values from a result resource
SYNOPSIS
string pg_fetch_result (resource $result, int $row, mixed $field)
DESCRIPTION
string pg_fetch_result (resource $result, mixed $field)
pg_fetch_result(3) returns the value of a particular row and field (column) in a PostgreSQL result resource.
Note
This function used to be called pg_result(3).
PARAMETERS
o $result
- PostgreSQL query result resource, returned by pg_query(3), pg_query_params(3) or pg_execute(3) (among others).
o $row
- Row number in result to fetch. Rows are numbered from 0 upwards. If omitted, next row is fetched.
o $field
- A string representing the name of the field (column) to fetch, otherwise an int representing the field number to fetch. Fields
are numbered from 0 upwards.
RETURN VALUES
Boolean is returned as "t" or "f". All other types, including arrays are returned as strings formatted in the same default PostgreSQL man-
ner that you would see in the psql program. Database NULL values are returned as NULL.
FALSE is returned if $row exceeds the number of rows in the set, or on any other error.
EXAMPLES
Example #1
pg_fetch_result(3) example
<?php
$db = pg_connect("dbname=users user=me") || die();
$res = pg_query($db, "SELECT 1 UNION ALL SELECT 2");
$val = pg_fetch_result($res, 1, 0);
echo "First field in the second row is: ", $val, "
";
?>
The above example will output:
First field in the second row is: 2
SEE ALSO
pg_query(3), pg_fetch_array(3).
PHP Documentation Group PG_FETCH_RESULT(3)