BigQuery: Determine the schema in load_table_from_dataframe based on dtypes.#9049
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load_table_from_dataframe based on dtypes.load_table_from_dataframe based on dtypes.
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This PR updates `load_table_from_dataframe` to automatically determine the BigQuery schema based on the DataFrame's dtypes. If any field's type cannot be determined, fallback to the logic in the pandas `to_parquet` method.
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Looks good, let's just shorten the fixture in the system test.
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…oogleapis#9049) * Determine the schema in `load_table_from_dataframe` based on dtypes. This PR updates `load_table_from_dataframe` to automatically determine the BigQuery schema based on the DataFrame's dtypes. If any field's type cannot be determined, fallback to the logic in the pandas `to_parquet` method. * Fix test coverage. * Reduce duplication by using OrderedDict * Add columns option to DataFrame constructor to ensure correct column order.
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Sep 18, 2019
…oogleapis#9049) * Determine the schema in `load_table_from_dataframe` based on dtypes. This PR updates `load_table_from_dataframe` to automatically determine the BigQuery schema based on the DataFrame's dtypes. If any field's type cannot be determined, fallback to the logic in the pandas `to_parquet` method. * Fix test coverage. * Reduce duplication by using OrderedDict * Add columns option to DataFrame constructor to ensure correct column order.
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This PR updates
load_table_from_dataframeto automatically determinethe BigQuery schema based on the DataFrame's dtypes. If any field's type
cannot be determined, fallback to the logic in the pandas
to_parquetmethod.
Closes #9044