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Mike Nitsenko d983046f90 Extend Cube Semantic Loader functionality (#8186) ... **PR Description:** This pull request introduces several enhancements and new features to the `CubeSemanticLoader`. The changes include the following: 1. Added imports for the `json` and `time` modules. 2. Added new constructor parameters: `load_dimension_values`, `dimension_values_limit`, `dimension_values_max_retries`, and `dimension_values_retry_delay`. 3. Updated the class documentation with descriptions for the new constructor parameters. 4. Added a new private method `_get_dimension_values()` to retrieve dimension values from Cube's REST API. 5. Modified the `load()` method to load dimension values for string dimensions if `load_dimension_values` is set to `True`. 6. Updated the API endpoint in the `load()` method from the base URL to the metadata endpoint. 7. Refactored the code to retrieve metadata from the response JSON. 8. Added the `column_member_type` field to the metadata dictionary to indicate if a column is a measure or a dimension. 9. Added the `column_values` field to the metadata dictionary to store the dimension values retrieved from Cube's API. 10. Modified the `page_content` construction to include the column title and description instead of the table name, column name, data type, title, and description. These changes improve the functionality and flexibility of the `CubeSemanticLoader` class by allowing the loading of dimension values and providing more detailed metadata for each document. --------- Co-authored-by: Bagatur <baskaryan@gmail.com>		1 year ago
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experimental	bump lc241 exp3 (#8193)	1 year ago
langchain	Extend Cube Semantic Loader functionality (#8186)	1 year ago