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Performance twearking when reading bee sql

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This commit is contained in:
Rebecca Breu 2023-11-28 20:06:09 +01:00
parent c66ec67fe1
commit e4bb84ab82
1 changed files with 9 additions and 2 deletions
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11
beeref/fileio/sql.py
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@ -173,7 +173,7 @@ class SQLiteIO:
def write_meta(self):
self.ex('PRAGMA application_id=%s' % APPLICATION_ID)
self.ex('PRAGMA user_version=%s' % USER_VERSION)
self.ex('PRAGMA foreign_keys=1')
self.ex('PRAGMA foreign_keys=ON')
def create_schema_on_new(self):
if self.create_new:
@ -186,7 +186,14 @@ class SQLiteIO:
rows = self.fetchall(
'SELECT items.id, type, x, y, z, scale, rotation, flip, '
'items.data, sqlar.data '
'FROM items LEFT OUTER JOIN sqlar on sqlar.item_id = items.id')
'FROM sqlar JOIN items on sqlar.item_id = items.id')
# Avoid OUTER JOIN for performance reasons; fetch text items
# separately instead
rows.extend(self.fetchall(
'SELECT items.id, type, x, y, z, scale, rotation, flip, '
' items.data, null as data '
'FROM items '
'WHERE items.type = "text"'))
if self.worker:
self.worker.begin_processing.emit(len(rows))