…ore part (#417)

* Implemented ColumnQueue to test the fetchall without pyarrow

Removed token

removed token

* order of fields in row corrected

* Changed the folder structure and tested the basic setup to work

* Refractored the code to make connector to work

* Basic Setup of connector, core and sqlalchemy is working

* Basic integration of core, connect and sqlalchemy is working

* Setup working dynamic change from ColumnQueue to ArrowQueue

* Refractored the test code and moved to respective folders

* Added the unit test for column_queue

Fixed __version__

Fix

* venv_main added to git ignore

* Added code for merging columnar table

* Merging code for columnar

* Fixed the retry_close sesssion test issue with logging

* Fixed the databricks_sqlalchemy tests and introduced pytest.ini for the sqla_testing

* Added pyarrow_test mark on pytest

* Fixed databricks.sqlalchemy to databricks_sqlalchemy imports

* Added poetry.lock

* Added dist folder

* Changed the pyproject.toml

* Minor Fix

* Added the pyarrow skip tag on unit tests and tested their working

* Fixed the Decimal and timestamp conversion issue in non arrow pipeline

* Removed not required files and reformatted

* Fixed test_retry error

* Changed the folder structure to src / databricks

* Removed the columnar non arrow flow to another PR

* Moved the README to the root

* removed columnQueue instance

* Revmoved databricks_sqlalchemy dependency in core

* Changed the pysql_supports_arrow predicate, introduced changes in the pyproject.toml

* Ran the black formatter with the original version

* Extra .py removed from all the __init__.py files names

* Undo formatting check

* Check

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* BIG UPDATE

* Refeactor code

* Refractor

* Fixed versioning

* Minor refractoring

* Minor refractoring

…ave pyarrow as optional

Print warning message if pyarrow is not installed

Signed-off-by: Jacky Hu <[email protected]>

Remove sqlalchemy and update README.md

Signed-off-by: Jacky Hu <[email protected]>