Implement SeaDatabricksClient (Complete Execution Spec) (#590)

* [squash from exec-sea] bring over execution phase changes

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* remove excess test

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* add docstring

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* remvoe exec func in sea backend

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* remove excess files

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* remove excess models

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* remove excess sea backend tests

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* cleanup

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* re-introduce get_schema_desc

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* remove SeaResultSet

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* clean imports and attributes

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* pass CommandId to ExecResp

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* remove changes in types

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* add back essential types (ExecResponse, from_sea_state)

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* fix fetch types

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* excess imports

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* reduce diff by maintaining logs

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* fix int test types

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* [squashed from exec-sea] init execution func

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* remove irrelevant changes

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* remove ResultSetFilter functionality

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* remove more irrelevant changes

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* remove more irrelevant changes

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* even more irrelevant changes

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* remove sea response as init option

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* exec test example scripts

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* formatting (black)

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* [squashed from sea-exec] merge sea stuffs

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* remove excess changes

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* remove excess removed docstring

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* remove excess changes in backend

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* remove excess imports

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* remove accidentally removed _get_schema_desc

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* remove unnecessary init with sea_response tests

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* rmeove unnecessary changes

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* formatting (black)

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* improved models and filters from cloudfetch-sea branch

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* filters stuff (align with JDBC)

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* backend from cloudfetch-sea

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* remove filtering, metadata ops

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* raise NotImplementedErrror for metadata ops

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* change to valid table name

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* remove un-necessary changes

covered by #588

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* simplify test module

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* logging -> debug level

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* change table name in log

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* remove un-necessary changes

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* remove un-necessary backend cahnges

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* remove un-needed GetChunksResponse

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* remove un-needed GetChunksResponse

only relevant in Fetch phase

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* reduce code duplication in response parsing

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* reduce code duplication

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* more clear docstrings

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* introduce strongly typed ChunkInfo

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* remove is_volume_operation from response

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* add is_volume_op and more ResultData fields

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* add test scripts

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* Revert "Merge branch 'exec-models-sea' into exec-phase-sea"

This reverts commit be1997e, reversing
changes made to 37813ba.

* change logging level

Signed-off-by: varun-edachali-dbx <varun.edachali@databricks.com>

* remove un-necessary changes

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* remove excess changes

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* remove excess changes

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* remove _get_schema_bytes (for now)

Signed-off-by: varun-edachali-dbx <varun.edachali@databricks.com>

* redundant comments

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* remove fetch phase methods

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* reduce code repetititon + introduce gaps after multi line pydocs

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* remove unused imports

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* move description extraction to helper func

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* formatting (black)

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* add more unit tests

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* streamline unit tests

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* test getting the list of allowed configurations

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* reduce diff

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* reduce diff

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* house constants in enums for readability and immutability

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* add note on hybrid disposition

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* remove redundant note on arrow_schema_bytes

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* remove invalid import

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* add strong typing for manifest in _extract_description

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* remove un-necessary column skipping

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* remove parsing in backend

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* fix: convert sea statement id to CommandId type

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* make polling interval a separate constant

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* align state checking with Thrift implementation

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* update unit tests according to changes

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* add unit tests for added methods

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* add spec to description extraction docstring, add strong typing to params

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* add strong typing for backend parameters arg

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---------

Signed-off-by: varun-edachali-dbx <varun.edachali@databricks.com>

Author: varun-edachali-dbx

src/databricks/sql/backend/databricks_client.py

@@ -82,7 +82,7 @@ def execute_command(
         lz4_compression: bool,
         cursor: "Cursor",
         use_cloud_fetch: bool,
-        parameters: List[ttypes.TSparkParameter],
+        parameters: List,
         async_op: bool,
         enforce_embedded_schema_correctness: bool,
     ) -> Union["ResultSet", None]: