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pg_field_type
(PHP 4 >= 4.2.0, PHP 5)
pg_field_type — Returns the type name for the corresponding field number
Описание
string pg_field_type ( resource $result , int $field_number )
pg_field_type() returns a string containing the base type name of the given field_number in the given PostgreSQL result resource.
Замечание: If the field uses a PostgreSQL domain (rather than a basic type), it is the name of the domain's underlying type that is returned, rather than the name of the domain itself.
Замечание: This function used to be called pg_fieldtype().
Список параметров
- result
-
PostgreSQL query result resource, returned by pg_query(), pg_query_params() or pg_execute() (among others).
- field_number
-
Field number, starting from 0.
Возвращаемые значения
A string containing the base name of the field's type, or FALSE on error.
Примеры
Пример #1 Getting information about fields
<?php
$dbconn = pg_connect("dbname=publisher") or die("Could not connect");
// Assume 'title' is a varchar type
$res = pg_query($dbconn, "select title from authors where author = 'Orwell'");
echo "Title field type: ", pg_field_type($res, 0);
?>
Результат выполнения данного примера:
Title field type: varchar
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