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upgrade to new tag schema

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git-svn-id: file:///home/shish/svn/shimmie2/trunk@321 7f39781d-f577-437e-ae19-be835c7a54ca
This commit is contained in:
shish 2007-07-19 11:46:06 +00:00
parent d406f9b4a4
commit 47a7eaec09
1 changed files with 10 additions and 2 deletions
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12
install.php
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@ -391,8 +391,16 @@ function move_data($old_dsn, $new_dsn, $old_data) {
if($tags) {
print("<br>Moving tags..");
$new_db->Execute("DELETE FROM tags");
$new_db->Execute("INSERT INTO tags(image_id, tag) VALUES (?, ?)", $tags);
$new_db->Execute("CREATE TABLE old_tags(image_id int, tag varchar(64))");
$new_db->Execute("DELETE FROM old_tags");
$new_db->Execute("INSERT INTO old_tags(image_id, tag) VALUES (?, ?)", $tags);
$database->Execute("DELETE FROM tags");
$database->Execute("INSERT INTO tags(tag) SELECT DISTINCT tag FROM old_tags");
$database->Execute("DELETE FROM image_tags");
$database->Execute("INSERT INTO image_tags(image_id, tag_id) SELECT old_tags.image_id, tags.id FROM old_tags JOIN tags ON old_tags.tag = tags.tag");
$database->Execute("UPDATE tags SET count=(SELECT COUNT(image_id) FROM image_tags WHERE tag_id=tags.id GROUP BY tag_id)");
$new_db->Execute("DROP TABLE tags_tmp");
}
print("<br>Moving files...");