fix: read_gbq_table respects primary keys even when filters are set
#689
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Closes internal issues 338039517 (primary key inconsistency), 338037499 (LIMIT for max_results), 340540991 (avoid running query immediately if time travel is supported), 337925142 (push down column filters to when we create the time travel subquery). feat: `read_gbq_query` supports `filters` perf: use a `LIMIT` clause when `max_results` is set perf: don't run query immediately from `read_gbq_table` if `filters` is set
…able-primary_keys
tswast
commented
May 16, 2024
bigframes/session/__init__.py
Outdated
| index_cols=index_cols, | ||
| columns=columns, | ||
| filters=filters, | ||
| time_travel_timestamp=time_travel_timestamp, | ||
| ) | ||
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| for key in columns: |
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@TrevorBergeron Which "validation for unknown column names'" are we missing? I still see this here.
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Would you like me to move it to before we create the ibis expression? It's possible ibis will fail with a dry run error when we try to access the columns in it now.
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I see tests/system/small/test_session.py::test_read_gbq_w_columns[unknown_col] failure now. Likely this is the issue. I'll move this validation to after we tech the table metadata.
…y_keys' into b338039517-read_gbq_table-primary_keys
TrevorBergeron
approved these changes
May 16, 2024
…y_keys' into b338039517-read_gbq_table-primary_keys
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Closes internal issues 338039517 (primary key inconsistency), 338037499 (LIMIT for max_results), 340540991 (avoid running query immediately if time travel is supported), 337925142 (push down column filters to when we create the time travel subquery).
feat:
read_gbq_querysupportsfiltersperf: use a
LIMITclause whenmax_resultsis setperf: don't run query immediately from
read_gbq_tableiffiltersis set🦕