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Ensure that renaming an item removes the old item from its DB table. Tags, series, and publishers didn't do this before. Authors did, as did custom columns.

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This commit is contained in:
Charles Haley 2012-07-01 11:47:45 +02:00
parent 8099ab05db
commit 7b98ace36e
1 changed files with 22 additions and 1 deletions
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23
src/calibre/library/database2.py
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@ -1455,6 +1455,24 @@ class LibraryDatabase2(LibraryDatabase, SchemaUpgrade, CustomColumns):
if notify:
self.notify('metadata', [id])
def clean_standard_field(self, field, commit=False):
# Don't bother with validity checking. Let the exception fly out so
# we can see what happened
def doit(table, ltable_col):
st = ('DELETE FROM books_%s_link WHERE (SELECT COUNT(id) '
'FROM books WHERE id=book) < 1;')%table
self.conn.execute(st)
st = ('DELETE FROM %(table)s WHERE (SELECT COUNT(id) '
'FROM books_%(table)s_link WHERE '
'%(ltable_col)s=%(table)s.id) < 1;') % dict(
table=table, ltable_col=ltable_col)
self.conn.execute(st)
fm = self.field_metadata[field]
doit(fm['table'], fm['link_column'])
if commit:
self.conn.commit()
def clean(self):
'''
Remove orphaned entries.
@ -2557,6 +2575,7 @@ class LibraryDatabase2(LibraryDatabase, SchemaUpgrade, CustomColumns):
self.set_tags(book_id, new_names, append=True, notify=False,
commit=False)
self.dirtied(books, commit=False)
self.clean_standard_field('tags', commit=False)
self.conn.commit()
def delete_tag_using_id(self, id):
@ -2603,6 +2622,7 @@ class LibraryDatabase2(LibraryDatabase, SchemaUpgrade, CustomColumns):
SET series_index=?
WHERE id=?''',(index, book_id,))
self.dirty_books_referencing('series', new_id, commit=False)
self.clean_standard_field('series', commit=False)
self.conn.commit()
def delete_series_using_id(self, id):
@ -2638,6 +2658,7 @@ class LibraryDatabase2(LibraryDatabase, SchemaUpgrade, CustomColumns):
# Get rid of the no-longer used publisher
self.conn.execute('DELETE FROM publishers WHERE id=?', (old_id,))
self.dirty_books_referencing('publisher', new_id, commit=False)
self.clean_standard_field('publisher', commit=False)
self.conn.commit()
def delete_publisher_using_id(self, old_id):
@ -2736,7 +2757,6 @@ class LibraryDatabase2(LibraryDatabase, SchemaUpgrade, CustomColumns):
# metadata. Ignore it.
pass
# Now delete the old author from the DB
bks = self.conn.get('SELECT book FROM books_authors_link WHERE author=?', (old_id,))
self.conn.execute('DELETE FROM authors WHERE id=?', (old_id,))
self.dirtied(books, commit=False)
self.conn.commit()
@ -2752,6 +2772,7 @@ class LibraryDatabase2(LibraryDatabase, SchemaUpgrade, CustomColumns):
self.set_author_sort(book_id, ss)
# the caller will do a general refresh, so we don't need to
# do one here
# Now delete the old author from the DB
return new_id
# end convenience methods