dremio.py 1.4 KB

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  1. # Licensed to the Apache Software Foundation (ASF) under one
  2. # or more contributor license agreements. See the NOTICE file
  3. # distributed with this work for additional information
  4. # regarding copyright ownership. The ASF licenses this file
  5. # to you under the Apache License, Version 2.0 (the
  6. # "License"); you may not use this file except in compliance
  7. # with the License. You may obtain a copy of the License at
  8. #
  9. # http://www.apache.org/licenses/LICENSE-2.0
  10. #
  11. # Unless required by applicable law or agreed to in writing,
  12. # software distributed under the License is distributed on an
  13. # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  14. # KIND, either express or implied. See the License for the
  15. # specific language governing permissions and limitations
  16. # under the License.
  17. from superset.db_engine_specs.base import BaseEngineSpec
  18. class DremioBaseEngineSpec(BaseEngineSpec):
  19. engine = "dremio"
  20. _time_grain_functions = {
  21. None: "{col}",
  22. "PT1S": "DATE_TRUNC('second', {col})",
  23. "PT1M": "DATE_TRUNC('minute', {col})",
  24. "PT1H": "DATE_TRUNC('hour', {col})",
  25. "P1D": "DATE_TRUNC('day', {col})",
  26. "P1W": "DATE_TRUNC('week', {col})",
  27. "P1M": "DATE_TRUNC('month', {col})",
  28. "P0.25Y": "DATE_TRUNC('quarter', {col})",
  29. "P1Y": "DATE_TRUNC('year', {col})",
  30. }
  31. @classmethod
  32. def epoch_to_dttm(cls) -> str:
  33. return "TO_DATE({col})"