mark dirty row after submit error

Traceback (most recent call last):
File "./pgblackboard/init.py", line 39, in application
yield from app(environ, start_response)
File "./pgblackboard/dbapp.py", line 61, in call
status, app_iter = handler.handle(cursor)
File "./pgblackboard/editing.py", line 58, in handle
return '200 OK', [json.dumps(returning_row)]
File "/usr/lib/python3.4/json/init.py", line 230, in dumps
return _default_encoder.encode(obj)
File "/usr/lib/python3.4/json/encoder.py", line 192, in encode
chunks = self.iterencode(o, _one_shot=True)
File "/usr/lib/python3.4/json/encoder.py", line 250, in iterencode
return _iterencode(o, 0)
File "/usr/lib/python3.4/json/encoder.py", line 173, in default
raise TypeError(repr(o) + " is not JSON serializable")
TypeError: datetime.date(2014, 9, 4) is not JSON serializable

When execute slow script and switch to another treenode or myquery execute errors can be set on current document.

scrollbars are not styled when long query is set to editor initially

schema inspection
show tables, functions, types, sequences

• select draft or treenode
• do ctrl+z/undo

content of code editor is undoed to content of prevously selected item

multiuser connection pooler

DROP/CREATE/ALTER table/view/materialized view/foreign table/function
alter table sometable ADD/DROP/ALTER/RENAME column

Tree node toggler shakes when switching from expanded to collapsed state in firefox 43.0a2 (2015-10-29)

ask login and password when request / root and use established connection to get list of databases

column add, drop, rename,
alter column col set not null/null according to current nullability

http://www.postgresql.org/docs/9.0/static/sql-explain.html
http://www.graphviz.org/Documentation.php

now it renders as memory