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Now, not null fields are respected by the UTF-8 migration process. Also,

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for those NULLable fields, if the default was '', convert it to null (i.e.
disable de default).
This commit is contained in:
stronk7 2006-09-02 10:04:22 +00:00
parent 35a518c5de
commit 803b4eeffe
1 changed files with 24 additions and 2 deletions
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26
admin/utfdbmigrate.php
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@ -14,7 +14,7 @@
$customlang = array();
$enc = array('af' => 'iso-8859-1', 'ar' => 'windows-1256', 'be' => 'windows-1251', 'bg' => 'windows-1251', 'bs' => 'windows-1250', 'ca' => 'iso-8859-1', 'cs' => 'iso-8859-2', 'da' => 'iso-8859-1', 'de' => 'iso-8859-1', 'de_du' => 'iso-8859-1', 'de_utf8' => 'utf-8', 'el' => 'windows-1253', 'en' => 'iso-8859-1', 'en_ja' => 'euc-jp', 'en_us' => 'iso-8859-1', 'en_utf8' => 'utf-8', 'es' => 'iso-8859-1', 'es_ar' => 'iso-8859-1', 'es_es' => 'iso-8859-1', 'es_mx' => 'iso-8859-1', 'et' => 'iso-8859-1', 'eu' => 'iso-8859-1', 'fa' => 'windows-1256', 'fa_utf8' => 'utf-8', 'fi' => 'iso-8859-1', 'fil' => 'iso-8859-15', 'fr' => 'iso-8859-1', 'fr_ca' => 'iso-8859-15', 'ga' => 'iso-8859-1', 'gl' => 'iso-8859-1', 'he' => 'ISO-8859-8-I', 'he_utf8' => 'utf-8', 'hi' => 'iso-8859-1', 'hr' => 'windows-1250', 'hr_utf8' => 'utf-8', 'hu' => 'iso-8859-2', 'id' => 'iso-8859-1', 'is' => 'iso-8859-1', 'it' => 'iso-8859-1', 'ja' => 'EUC-JP', 'ja_utf8' => 'UTF-8', 'ka_utf8' => 'UTF-8', 'km_utf8' => 'UTF-8', 'kn_utf8' => 'utf-8', 'ko' => 'EUC-KR', 'ko_utf8' => 'UTF-8', 'lt' => 'windows-1257', 'lv' => 'ISO-8859-4', 'mi_nt' => 'iso-8859-1', 'mi_tn_utf8' => 'utf-8', 'ms' => 'iso-8859-1', 'nl' => 'iso-8859-1', 'nn' => 'iso-8859-1', 'no' => 'iso-8859-1', 'no_gr' => 'iso-8859-1', 'pl' => 'iso-8859-2', 'pt' => 'iso-8859-1', 'pt_br' => 'iso-8859-1', 'ro' => 'iso-8859-2', 'ru' => 'windows-1251', 'sk' => 'iso-8859-2', 'sl' => 'iso-8859-2', 'sl_utf8' => 'utf-8', 'so' => 'iso-8859-1', 'sq' => 'iso-8859-1', 'sr_utf8' => 'utf-8', 'sv' => 'iso-8859-1', 'th' => 'TIS-620', 'th_utf8' => 'UTF-8', 'tl' => 'iso-8859-15', 'tl_utf8' => 'UTF-8', 'tr' => 'iso-8859-9', 'uk' => 'windows-1251', 'vi_utf8' => 'UTF-8', 'zh_cn' => 'GB18030', 'zh_cn_utf8' => 'UTF-8', 'zh_tw' => 'Big5', 'zh_tw_utf8' => 'UTF-8');
/**************************************
* Custom lang pack handling *
**************************************/
@ -463,6 +463,28 @@ function db_migrate2utf8(){ //Eloy: Perhaps some type of limit parameter here
}
}
/* Previously to change the field to LONGBLOB, we are going to
use Meta info to fetch the NULL/NOT NULL status of the field.
Then, when converting back the field to its final UTF8 status
we'll apply such status (and default)
This has been added on 1.7 because we are in the process of
converting some fields to NULL and the assumption of all the
CHAR/TEXT fields being always NOT NULL isn't valid anymore!
Note that this code will leave remaining NOT NULL fiels
unmodified at all, folowing the old approach
*/
$cols = $db->MetaColumns($prefix.$dbtablename);
$cols = array_change_key_case($cols, CASE_LOWER); ///lowercase col names
$notnull = 'NOT NULL'; ///Old default
$col = $cols[strtolower($fieldname)];
/// If the column was null before UTF-8 migration, save it
if (!$col->not_null) {
$notnull = 'NULL';
/// And, if the column had an empty string as default, make it NULL now
if ($default == "''") {
$default = 'NULL';
}
/* Change to longblob, serves 2 purposes:
1. column loses encoding, so when we finally change it to unicode,
mysql does not do a double convertion
@ -654,7 +676,7 @@ function db_migrate2utf8(){ //Eloy: Perhaps some type of limit parameter here
if ($length > 0) {
$SQL.='('.$length.') ';
}
$SQL.=' CHARACTER SET utf8 NOT NULL DEFAULT '.$default.';';
$SQL.=' CHARACTER SET utf8 ' . $notnull . ' DEFAULT '. $default . ';';
if ($debug) {
$db->debug=999;
}