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[ticket/12643] Properly handle changing columns on tables with constraints

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PHPBB3-12643
This commit is contained in:
Patrick Webster
2014-06-15 14:52:05 -05:00
parent e6a8df7f7e
commit 754e36e378
2 changed files with 30 additions and 1 deletions
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13
phpBB/phpbb/db/tools.php
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@@ -2561,7 +2561,18 @@ class tools
foreach ($old_table_cols as $key => $declaration)
{
$entities = preg_split('#\s+#', trim($declaration));
$declaration = trim($declaration);
// Check for the beginning of the constraint section and stop
if (preg_match('/[^\(]*\s*PRIMARY KEY\s+\(/', $declaration) ||
preg_match('/[^\(]*\s*UNIQUE\s+\(/', $declaration) ||
preg_match('/[^\(]*\s*FOREIGN KEY\s+\(/', $declaration) ||
preg_match('/[^\(]*\s*CHECK\s+\(/', $declaration))
{
break;
}
$entities = preg_split('#\s+#', $declaration);
$column_list[] = $entities[0];
if ($entities[0] == $column_name)
{