feat: run extra query on QueryObject and add compare operator for post_processing (#15279)

* rebase master and resolve conflicts

* pylint to makefile

* fix crash when pivot operator

* fix comments

* add precision argument

* query test

* wip

* fix ut

* rename

* set time_offsets to cache key

wip

* refactor get_df_payload

wip

* extra query cache

* cache ut

* normalize df

* fix timeoffset

* fix ut

* make cache key logging sense

* resolve conflicts

* backend follow up iteration 1

wip

* rolling window type

* rebase master

* py lint and minor follow ups

* pylintrc

tests/integration_tests/fixtures/dataframes.py

@@ -130,6 +130,15 @@ timeseries_df = DataFrame(
     data={"label": ["x", "y", "z", "q"], "y": [1.0, 2.0, 3.0, 4.0]},
 )
 
+timeseries_df2 = DataFrame(
+    index=to_datetime(["2019-01-01", "2019-01-02", "2019-01-05", "2019-01-07"]),
+    data={
+        "label": ["x", "y", "z", "q"],
+        "y": [2.0, 2.0, 2.0, 2.0],
+        "z": [2.0, 4.0, 10.0, 8.0],
+    },
+)
+
 lonlat_df = DataFrame(
     {
         "city": ["New York City", "Sydney"],