Final touches on getting decent database support

app/models.py

@@ -41,6 +41,8 @@ class Database(Model, AuditMixin):
     database_name = Column(String(256), unique=True)
     sqlalchemy_uri = Column(String(1024))
 
+    baselink = "datasourcemodelview"
+
     def __repr__(self):
         return self.database_name
 
@@ -59,11 +61,16 @@ class Table(Model, Queryable, AuditMixin):
     __tablename__ = 'tables'
     id = Column(Integer, primary_key=True)
     table_name = Column(String(256), unique=True)
+    main_datetime_column_id = Column(Integer, ForeignKey('table_columns.id'))
+    main_datetime_column = relationship(
+        'TableColumn', foreign_keys=[main_datetime_column_id])
     default_endpoint = Column(Text)
     database_id = Column(Integer, ForeignKey('dbs.id'))
     database = relationship(
         'Database', backref='tables', foreign_keys=[database_id])
 
+    baselink = "tableview"
+
     @property
     def name(self):
         return self.table_name
@@ -151,7 +158,7 @@ class Table(Model, Queryable, AuditMixin):
         "SELECT\n"
         "    {select_exprs}\n"
         "FROM {self.table_name}\n"
-        "{limiting_join}\n"
+        "{limiting_join}"
         "WHERE\n"
         "    {where_clause}\n"
         "GROUP BY\n"
@@ -221,6 +228,8 @@ class TableColumn(Model, AuditMixin):
     filterable = Column(Boolean, default=False)
     description = Column(Text, default='')
 
+    def __repr__(self):
+        return self.column_name
 
 class Cluster(Model, AuditMixin):
     __tablename__ = 'clusters'
@@ -350,6 +359,7 @@ class Datasource(Model, AuditMixin, Queryable):
         timeseries_limit=15, row_limit=None):
         qry_start_dttm = datetime.now()
 
+        query_str = ""
         aggregations = {
             m.metric_name: m.json_obj
             for m in self.metrics if m.metric_name in metrics
@@ -409,6 +419,7 @@ class Datasource(Model, AuditMixin, Queryable):
                 }],
             }
             client.groupby(**pre_qry)
+            query_str += json.dumps(client.query_dict, indent=2) + "\n"
             df = client.export_pandas()
             if not df is None and not df.empty:
                 dims = qry['dimensions']
@@ -435,9 +446,12 @@ class Datasource(Model, AuditMixin, Queryable):
                 qry['limit_spec'] = None
 
         client.groupby(**qry)
+        query_str += json.dumps(client.query_dict, indent=2)
         df = client.export_pandas()
         return QueryResult(
-            df=df, query="", duration=datetime.now() - qry_start_dttm)
+            df=df,
+            query=query_str,
+            duration=datetime.now() - qry_start_dttm)
 
 
 #class Metric(Model, AuditMixin):

app/templates/panoramix/datasource.html

@@ -20,6 +20,7 @@ form input.form-control {
   max-width: 350px;
   //width: 350px; 
 }
+
 </style>
 {% endblock %}
 {% block content_fluid %}
@@ -30,7 +31,7 @@ form input.form-control {
       {% if datasource.description %}
         <i class="fa fa-info-circle" data-toggle="tooltip" data-placement="bottom" title="{{ datasource.description }}"></i>
       {% endif %}
-      <a href="/datasourcemodelview/edit/{{ datasource.id }}">
+      <a href="/{{ datasource.baselink }}/edit/{{ datasource.id }}">
         <i class="fa fa-edit"></i>
       </a>
     </h3>
@@ -39,11 +40,20 @@ form input.form-control {
     <form id="query" method="GET" style="display: none;">
       <div>{{ form.viz_type.label }}: {{ form.viz_type(class_="form-control select2") }}</div>
       <div>{{ form.metrics.label }}: {{ form.metrics(class_="form-control select2") }}</div>
-      <div>{{ form.granularity.label }}: {{ form.granularity(class_="form-control select2_free_granularity") }}</div>
+      <div>{{ form.granularity.label }}
+         <i class="fa fa-info-circle" data-toggle="tooltip" data-placement="right"
+           title="Supports natural language time as in '10 seconds', '1 day' or '1 week'" 
+           id="blah"></i>
+        {{ form.granularity(class_="form-control select2_free_granularity") }}</div>
       <div class="row">
         <div class="form-group">
-          <div class="col-xs-6">{{ form.since.label }}: {{ form.since(class_="form-control select2_free_since") }}</div>
-          <div class="col-xs-6">{{ form.until.label }}: {{ form.until(class_="form-control select2_free_until") }}</div>
+          <div class="col-xs-6">{{ form.since.label }}
+           <i class="fa fa-info-circle" data-toggle="tooltip" data-placement="right"
+             title="Supports natural language time as in '1 day ago', '28 days' or '3 years'" 
+             id="blah"></i>
+            {{ form.since(class_="form-control select2_free_since") }}</div>
+          <div class="col-xs-6">{{ form.until.label }}
+            {{ form.until(class_="form-control select2_free_until") }}</div>
         </div>
       </div>
       <div>{{ form.groupby.label }}: {{ form.groupby(class_="form-control select2") }}</div>
@@ -70,16 +80,14 @@ form input.form-control {
       <button type="button" class="btn btn-primary" id="druidify">Druidify!</button>
       <button type="button" class="btn btn-default" id="bookmark">Bookmark</button>
       <hr style="margin-bottom: 0px;">
-      <img src="{{ url_for("static", filename="panoramix.png") }}" width=250>
+      <img src="{{ url_for("static", filename="tux_panoramix.png") }}" width=250>
     </form><br>
   </div>
 
   <div class="col-md-9">
     <h3>{{ viz.verbose_name }}
     <span class="label label-success">{{ "{0:0.2f}".format(results.duration.total_seconds()) }} s</span>
-    <span class="label label-info" data-html="true" 
-      title="<code><pre>{{ results.query }}</pre></code>" 
-      data-toggle="tooltip" data-placement="bottom" >query</span>
+    <span class="label label-info btn" data-toggle="modal" data-target="#query_modal">query</span>
     </h3>
     <hr/>
     {% block viz %}
@@ -98,6 +106,22 @@ form input.form-control {
     {% endif %}
   </div>
 </div>
+<div class="modal fade" id="query_modal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel">
+  <div class="modal-dialog" role="document">
+    <div class="modal-content">
+      <div class="modal-header">
+        <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
+        <h4 class="modal-title" id="myModalLabel">Query</h4>
+      </div>
+      <div class="modal-body">
+        <pre>{{ results.query }}</pre>
+      </div>
+      <div class="modal-footer">
+        <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
+      </div>
+    </div>
+  </div>
+</div>
 {% endblock %}
 
 {% block tail_js %}

app/views.py

@@ -124,7 +124,7 @@ class TableView(ModelView, DeleteMixin):
     datamodel = SQLAInterface(models.Table)
     list_columns = ['table_link', 'database']
     add_columns = ['table_name', 'database', 'default_endpoint']
-    edit_columns = add_columns
+    edit_columns = ['table_name', 'database', 'main_datetime_column', 'default_endpoint']
     related_views = [TableColumnInlineView, SqlMetricInlineView]
 
     def post_insert(self, table):