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MariaDB: Don't display NULL as default value

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This commit is contained in:
Jakub Vrana
2025-03-12 08:51:25 +01:00
parent 4505544953
commit 51ac1312a1
2 changed files with 17 additions and 16 deletions
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30
adminer/drivers/mysql.inc.php
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@@ -602,20 +602,20 @@ if (!defined('Adminer\DRIVER')) {
preg_match('~^(VIRTUAL|PERSISTENT|STORED)~', $extra, $generated);
preg_match('~^([^( ]+)(?:\((.+)\))?( unsigned)?( zerofill)?$~', $type, $match_type);
$default = $row["COLUMN_DEFAULT"];
$is_text = preg_match('~text~', $match_type[1]);
if (!$maria && $is_text) {
// default value a'b of text column is stored as _utf8mb4\'a\\\'b\' in MySQL
$default = preg_replace("~^(_\w+)?('.*')$~", '\2', stripslashes($default));
}
if ($maria || $is_text) {
$default = preg_replace_callback("~^'(.*)'$~", function ($match) {
return stripslashes(str_replace("''", "'", $match[1]));
}, $default);
}
if (!$maria && preg_match('~binary~', $match_type[1]) && preg_match('~^0x(\w*)$~', $default, $match)) {
$default = preg_replace_callback('~..~', function ($match) {
return chr(hexdec($match[0]));
}, $match[1]);
if ($default != "") {
$is_text = preg_match('~text~', $match_type[1]);
if (!$maria && $is_text) {
// default value a'b of text column is stored as _utf8mb4\'a\\\'b\' in MySQL
$default = preg_replace("~^(_\w+)?('.*')$~", '\2', stripslashes($default));
}
if ($maria || $is_text) {
$default = ($default == "NULL" ? null : preg_replace_callback("~^'(.*)'$~", function ($match) {
return stripslashes(str_replace("''", "'", $match[1]));
}, $default));
}
if (!$maria && preg_match('~binary~', $match_type[1]) && preg_match('~^0x(\w*)$~', $default, $match)) {
$default = pack("H*", $match[1]);
}
}
$return[$field] = array(
"field" => $field,
@@ -625,7 +625,7 @@ if (!defined('Adminer\DRIVER')) {
"unsigned" => ltrim($match_type[3] . $match_type[4]),
"default" => ($generated
? ($maria ? $generation : stripslashes($generation))
: ($default != "" || preg_match("~char|set~", $match_type[1]) ? $default : null)
: $default
),
"null" => ($row["IS_NULLABLE"] == "YES"),
"auto_increment" => ($extra == "auto_increment"),

3
changes.txt
View File

@@ -1,5 +1,6 @@
Adminer dev:
MySQL: Display default values of binary columns
MariaDB: Don't display NULL as default value (regression from 5.0.0)
PostgreSQL PDO: Escape bytea values (bug #218)
Adminer 5.0.4 (released 2025-03-11):
@@ -85,7 +86,7 @@ SQLite: Show all supported pragmas in Variables
MS SQL: Allow altering table in non-default schema (bug #405)
MS SQL: Fix default values (bug #732, bug #733)
MS SQL: Fix length of nvarchar columns
Editor: PDO: Select value of foreign key in edit (bug #847)
Editor PDO: Select value of foreign key in edit (bug #847)
Mobile devices: Use device width
Adminer 4.16.0 (released 2025-02-20):