pg_connection_status
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.
pg_convert
(PHP 4 >= 4.3.0, PHP 5)
pg_convert — Convert associative array values into suitable for SQL statement
Açıklama
array pg_convert
( resource $connection
, string $table_name
, array $assoc_array
[, int $options = 0
] )
pg_convert() checks and converts the values in assoc_array into suitable values for use in an 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.
Bilginize:
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.
Uyarı
Bu işlev DENEYSELDİR. Bu işlevin davranışı, ismi ve belgeleri PHP'nin sonraki sürümlerinde hiçbir duyuru yapılmaksızın değiştirilebilir. Bu riski göze alamayacaksanız bu işlevi kullanmayın.
Değiştirgeler
- 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.
Dönen Değerler
An array of converted values, or FALSE on error.
Örnekler
Örnek 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);
?>
add a note
User Contributed Notes
pg_convert
Andrew Falanga
24-Feb-2005 05:03
31-Mar-2004 01:02
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 12:28
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.