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Merge branch 'coredumperror-mysql_migration'

pull/878/head
Matt Westcott 2014-12-16 16:18:19 +00:00
rodzic 0d6212b61e d0efd742ff
commit 8e3c9e9721
1 zmienionych plików z 16 dodań i 5 usunięć
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21
wagtail/wagtailimages/south_migrations/0004_auto__chg_field_rendition_focal_point_key.py
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@ -13,11 +13,22 @@ class Migration(SchemaMigration):
def forwards(self, orm):
# remove duplicate renditions
db.execute("""
DELETE FROM wagtailimages_rendition WHERE image_id || '-' || filter_id IN (
SELECT image_id || '-' || filter_id FROM wagtailimages_rendition WHERE focal_point_key IS NULL GROUP BY image_id, filter_id HAVING COUNT(*) > 1
) AND focal_point_key IS NULL
""")
if db._get_connection().vendor == 'mysql':
db.execute("""
DELETE FROM wagtailimages_rendition WHERE CONCAT(image_id, '-', filter_id) IN (
SELECT CONCAT(image_id, '-', filter_id) FROM (SELECT * FROM wagtailimages_rendition) as x
WHERE focal_point_key IS NULL
GROUP BY image_id, filter_id HAVING COUNT(*) > 1
) AND focal_point_key IS NULL
""")
else:
db.execute("""
DELETE FROM wagtailimages_rendition WHERE image_id || '-' || filter_id IN (
SELECT image_id || '-' || filter_id FROM wagtailimages_rendition
WHERE focal_point_key IS NULL
GROUP BY image_id, filter_id HAVING COUNT(*) > 1
) AND focal_point_key IS NULL
""")
# Changing field 'Rendition.focal_point_key'
db.alter_column('wagtailimages_rendition', 'focal_point_key', self.gf('django.db.models.fields.CharField')(max_length=255, default=''))