pg_convert

(PHP 4 >= 4.3.0, PHP 5)

pg_convert --  Convert associative array values into suitable for SQL statement

Описание

array pg_convert ( resource connection, string table_name, array assoc_array [, int options] )

pg_convert() checks and converts the values in assoc_array into suitable values for use in a SQL statement. Precondition for pg_convert() is the existence of a table table_name which has at least as many columns as assoc_array has elements. The fieldnames in table_name must match the indices in assoc_array and the corresponding datatypes must be compatible. Returns an array with the converted values on success, FALSE otherwise.

Замечание: If there are boolean fields in table_name don't use the constant TRUE in assoc_array. It will be converted to the string 'TRUE' which is no valid entry for boolean fields in PostgreSQL. Use one of t, true, 1, y, yes instead.

Внимание

Эта функция является ЭКСПЕРИМЕНТАЛЬНОЙ. Поведение этой функции, ее имя и относящаяся к ней документация могут измениться в последующих версиях PHP без уведомления. Используйте эту функцию на свой страх и риск.

Список параметров

connection

PostgreSQL database connection resource.

table_name

Name of the table against which to convert types.

assoc_array

Data to be converted.

options

Any number of PGSQL_CONV_IGNORE_DEFAULT, PGSQL_CONV_FORCE_NULL or PGSQL_CONV_IGNORE_NOT_NULL, combined.

Возвращаемые значения

An array of converted values, or FALSE on error.

Примеры

Пример 1. pg_convert() example

<?php
  $dbconn = pg_connect('dbname=foo');
 
  $tmp = array(
     'author' => 'Joe Thackery',
     'year' => 2005,
     'title' => 'My Life, by Joe Thackery'
  );
 
  $vals = pg_convert($dbconn, 'authors', $tmp);
?>

Смотрите также

pg_meta_data()



pg_convert
Andrew Falanga
24-Feb-2005 12:03
Why does this function, pg_convert(), reject the string 'TRUE' as a valid value for the boolean types?  I'm using PHP 4.3.9 and my web page originally set the value for submission to update, to 'TRUE'.  pg_convert() threw it back to me saying that it's not a valid value for boolean types.  However, the postgresql website says otherwise.  See http://www.postgresql.org/docs/7.4/static/datatype-boolean.html for the context of my question/comment.
31-Mar-2004 08:02
The only options that I see are:

PGSQL_CONV_IGNORE_DEFAULT  - Do not use DEAFULT value by removing field from returned array
PGSQL_CONV_FORCE_NULL - Convert to NULL if string is null string
PGSQL_CONV_IGNORE_NOT_NULL  - Ignore NOT NULL constraints

These are constants, so don't quote them or anything.
dharana at dharana dot net
12-May-2003 06:28
I've found "options" possible values:

PG_CONV_CHECK - check only
PG_CONV_STRICT - raise warning for non fatal error
PG_CONV_QUOTE - add quote around values for vchar, text datetime.
PG_CONV_SLASH - add slashes if it needed.
PG_CONV_NULLCHK - check values are defined for NOT NULL fields.
PG_CONV_NO_DEFAULT - ignore default value even if value is empty string.

<pg_connection_statuspg_copy_from>
 Last updated: Tue, 15 Nov 2005