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Merge pull request #3468 from wallabag/fix-migration-3139

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Fix migration from #3139
This commit is contained in:
Nicolas Lœuillet 2017-12-11 19:38:46 +01:00 committed by GitHub
commit 98869090f6
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1 changed files with 21 additions and 8 deletions
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29
app/DoctrineMigrations/Version20170719231144.php
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@ -31,7 +31,7 @@ class Version20170719231144 extends AbstractMigration implements ContainerAwareI
// Find tags which need to be merged
$dupTags = $this->connection->query('
SELECT LOWER(label)
SELECT LOWER(label) AS lower_label
FROM ' . $this->getTable('tag') . '
GROUP BY LOWER(label)
HAVING COUNT(*) > 1'
@ -39,16 +39,18 @@ class Version20170719231144 extends AbstractMigration implements ContainerAwareI
$dupTags->execute();
foreach ($dupTags->fetchAll() as $duplicates) {
$label = $duplicates['LOWER(label)'];
$label = $duplicates['lower_label'];
// Retrieve all duplicate tags for a given tag
$tags = $this->connection->query('
$tags = $this->connection->executeQuery('
SELECT id
FROM ' . $this->getTable('tag') . "
WHERE LOWER(label) = '" . $label . "'
ORDER BY id ASC"
FROM ' . $this->getTable('tag') . '
WHERE LOWER(label) = :label
ORDER BY id ASC',
[
'label' => $label,
]
);
$tags->execute();
$first = true;
$newId = null;
@ -70,7 +72,18 @@ class Version20170719231144 extends AbstractMigration implements ContainerAwareI
$this->addSql('
UPDATE ' . $this->getTable('entry_tag') . '
SET tag_id = ' . $newId . '
WHERE tag_id IN (' . implode(',', $ids) . ')'
WHERE tag_id IN (' . implode(',', $ids) . ')
AND entry_id NOT IN (
SELECT entry_id
FROM ' . $this->getTable('entry_tag') . '
WHERE tag_id = ' . $newId . '
)'
);
// Delete links to unused tags
$this->addSql('
DELETE FROM ' . $this->getTable('entry_tag') . '
WHERE tag_id IN (' . implode(',', $ids) . ')'
);
// Delete unused tags