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feat: Add max_columns control for anywidget mode#2374

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tswast merged 12 commits intomainfrom
shuowei-anywidget-set-max-cols
Jan 12, 2026
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feat: Add max_columns control for anywidget mode#2374
tswast merged 12 commits intomainfrom
shuowei-anywidget-set-max-cols

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@shuoweil shuoweil commented Jan 10, 2026 •
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This PR introduces a max_columns configuration for anywidget mode, giving users control over how many columns are rendered in the interactive table. This is particularly useful for improving readability and performance when working with wide DataFrames.

Key Changes:

  • Configurable Column Limit: Users can now set bigframes.options.display.max_columns to limit the number of displayed columns.
  • Interactive Control: The TableWidget now includes a "Max columns" dropdown in the footer, allowing users to dynamically adjust this setting (options: 3, 5, 10, 15, 20, All).
  • Smart Truncation: When columns exceed the limit, the table displays the first N/2 and last N/2 columns, separated by an ellipsis (...) column.
  • Default Value: The default max_columns is set to 7 to provide a balanced view on standard screens without requiring horizontal scrolling.

Example Usage:

   1 import bigframes.pandas as bpd
   2 
   3 # Set global option
   4 bpd.options.display.max_columns = 10
   5 
   6 # Or use context manager
   7 with bpd.option_context("display.max_columns", 5):
   8     display(df)

verified at:

Fixes #<452681068> 🦕

@shuoweil shuoweil self-assigned this Jan 10, 2026
@shuoweil shuoweil requested review from a team as code owners January 10, 2026 01:23
@product-auto-label product-auto-label bot added the size: l Pull request size is large. label Jan 10, 2026
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@product-auto-label product-auto-label bot added the api: bigquery Issues related to the googleapis/python-bigquery-dataframes API. label Jan 10, 2026
@shuoweil shuoweil requested a review from tswast January 10, 2026 01:27
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tswast approved these changes Jan 12, 2026
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Thanks!

@tswast tswast merged commit 34b5975 into main Jan 12, 2026
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@tswast tswast deleted the shuowei-anywidget-set-max-cols branch January 12, 2026 21:47
@jialuoo jialuoo mentioned this pull request Jan 22, 2026
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chelsea-lin added a commit that referenced this pull request Jan 22, 2026
@chelsea-lin
chore: librarian release pull request: 20260122T231714Z (#2402)
6fef9be 
PR created by the Librarian CLI to initialize a release. Merging this PR
will auto trigger a release.

Librarian Version: v0.7.0
Language Image:
us-central1-docker.pkg.dev/cloud-sdk-librarian-prod/images-prod/python-librarian-generator@sha256:e7cc6823efb073a8a26e7cefdd869f12ec228abfbd2a44aa9a7eacc284023677
<details><summary>bigframes: 2.33.0</summary>

##
[2.33.0](v2.32.0...v2.33.0)
(2026-01-22)

### Features

* add bigquery.ml.transform function (#2394)
([1f9ee37](1f9ee373))

* Add dark mode to anywidget mode (#2365)
([2763b41](2763b41d))

* Add max_columns control for anywidget mode (#2374)
([34b5975](34b5975f))

* Configure Biome for Consistent Code Style (#2364)
([81e27b3](81e27b3d))

* Add BigQuery ObjectRef functions to `bigframes.bigquery.obj` (#2380)
([9c3bbc3](9c3bbc36))

* Stabilize interactive table height to prevent notebook layout shifts
(#2378)
([a634e97](a634e976))

### Bug Fixes

* implement retry logic for cloud function endpoint fetching (#2369)
([0f593c2](0f593c27))

* Throw if write api commit op has stream_errors (#2385)
([7abfef0](7abfef05))

### Performance Improvements

* Avoid requery for some result downsample methods (#2219)
([95763ff](95763ff2))

</details>
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@TrevorBergeron TrevorBergeron Awaiting requested review from TrevorBergeron TrevorBergeron is a code owner automatically assigned from googleapis/api-bigquery-dataframe

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