FEAT-#4244: Implement dataframe exchange protocol for OmniSci

.github/workflows/ci.yml

@@ -115,6 +115,7 @@ jobs:
             modin/experimental/core/execution/native/implementations/omnisci_on_native/expr.py \
             modin/experimental/core/execution/native/implementations/omnisci_on_native/omnisci_worker.py \
       - run: python scripts/doc_checker.py modin/experimental/core/storage_formats/omnisci
+      - run: python scripts/doc_checker.py modin/experimental/core/execution/native/implementations/omnisci_on_native/exchange/dataframe_protocol
 
   lint-flake8:
     name: lint (flake8)
@@ -339,6 +340,8 @@ jobs:
       - run: MODIN_BENCHMARK_MODE=True pytest modin/pandas/test/internals/test_benchmark_mode.py
       - run: pytest modin/experimental/core/execution/native/implementations/omnisci_on_native/test/test_dataframe.py
       - run: pytest modin/pandas/test/test_io.py::TestCsv --verbose
+      - run: pytest modin/test/exchange/dataframe_protocol/test_general.py
+      - run: pytest modin/test/exchange/dataframe_protocol/omnisci
       - uses: codecov/codecov-action@v2
 
   test-asv-benchmarks:

.github/workflows/push.yml

@@ -110,6 +110,8 @@ jobs:
       - run: pytest modin/test/storage_formats/omnisci/test_internals.py
       - run: pytest modin/experimental/core/execution/native/implementations/omnisci_on_native/test/test_dataframe.py
       - run: pytest modin/pandas/test/test_io.py::TestCsv
+      - run: pytest modin/test/exchange/dataframe_protocol/test_general.py
+      - run: pytest modin/test/exchange/dataframe_protocol/omnisci
       - uses: codecov/codecov-action@v2
 
   test-all:

modin/core/dataframe/base/exchange/dataframe_protocol/utils.py

@@ -124,6 +124,7 @@ class ArrowCTypes:
     #   - microseconds -> 'u'
     #   - nanoseconds -> 'n'
     TIMESTAMP = "ts{resolution}:{tz}"
+    TIME = "tt{resolution}"
 
 
 def pandas_dtype_to_arrow_c(dtype) -> str: