algorithm.
This patch takes care of:
* Consistent behaviour during create, update operation on any node.
- It should return the node data during creating a new object, or
updating the existing one.
* Now that - we have consistent behaviour during these operations, we
can consistently move, update the tree item based the node data from
the server.
* Implemented the methods for each node to get the information about
that particular node only.
* Using the above changes to implement the 'refresh' operation on tree
node properly.
I must thank Surinder, and Harshal for helping me implement the 'node'
method, and also changed the behaviour of create & update methods to
return the node data for most of the nodes.
Fixes#1244
Made backend changes for:
* Taking care of the connection status in the psycopg2 driver. And, when
the connection is lost, it throws a exception with 503 http status
message, and connection lost information in it.
* Allowing the flask application to propagate the exceptions even in the
release mode.
* Utilising the existing password (while reconnection, if not
disconnected explicitly).
* Introduced a new ajax response message 'service_unavailable' (http
status code: 503), which suggests temporary service unavailable.
Client (front-end) changes:
* To handle the connection lost of a database server for different
operations by generating proper events, and handle them properly.
Removed the connection status check code from different nodes, so that
- it generates the proper exception, when accessing the non-alive
connection.
Fixes#1387
1. Altered variable control to make its UI consistent with privileges and Security labels.
2. Changed datamodel.js to handle duplicate rows at datamodel level and not UI/Control level. (See variable control for example)
* Hide the security tab for the objects under the catalog schema.
Patched by Surinder Kumar, vastly improved by me.
* Make the securtiy label across all the nodes, using the same backbone
model across the nodes, and make changes in the backend code for the
same.
generated for the privilege control. Also, made changes in the
PrivilegeRoleModel, to allow to select a grantee only once for the
current user (as grantor), and omit them from other cell objects.
Valid/Invalid event was not properly triggered, whenever the child
attribute is a collection/model within a model (nested mode/collection
within model). This patch tried to take care of all such scenarios in
general.
This will also allow us to operate on individual privileges & also we
needed this functionality for column nodes.
For example,
*Earlier:* priv was string
GRANT {{ priv }} ON {{ type }} TO {{ conn|qtIdent(role) }};
*Now:* priv will be List, which we need to handle in jinja templates.
GRANT *{{ priv|join(', ') }}* ON {{ type }} TO {{ conn|qtIdent(role) }};
show) for both control and cell, while generating the columns and field
Schema. And, it was resulting into wrong behaviour because of that.
Also - includes the server changes, which was using 'show' parameter
earlier for showing version, when server was connected.
