.views_names() and .views methods, refs #54

This commit is contained in:
Simon Willison 2019-08-17 16:37:05 +03:00
commit 0f1f37db4d
3 changed files with 54 additions and 1 deletions

View file

@ -128,10 +128,22 @@ class Database:
sql = "select name from sqlite_master where {}".format(" AND ".join(where))
return [r[0] for r in self.conn.execute(sql).fetchall()]
def view_names(self):
return [
r[0]
for r in self.conn.execute(
"select name from sqlite_master where type = 'view'"
).fetchall()
]
@property
def tables(self):
return [self[name] for name in self.table_names()]
@property
def views(self):
return [self[name] for name in self.view_names()]
def execute_returning_dicts(self, sql, params=None):
cursor = self.conn.execute(sql, params or tuple())
keys = [d[0] for d in cursor.description]
@ -404,7 +416,13 @@ class Table:
):
self.db = db
self.name = name
self.is_view = False
self.exists = self.name in self.db.table_names()
if not self.exists:
# It might be a view
self.is_view = self.name in self.db.view_names()
if self.is_view:
self.exists = True
self._defaults = dict(
pk=pk,
foreign_keys=foreign_keys,
@ -420,7 +438,8 @@ class Table:
)
def __repr__(self):
return "<Table {}{}>".format(
return "<{} {}{}>".format(
"View" if self.is_view else "Table",
self.name,
" (does not exist yet)"
if not self.exists