From a994642877b4f57849fa596e9a064aa51c80607d Mon Sep 17 00:00:00 2001 From: Jiri Semmler Date: Thu, 25 Jun 2026 10:07:08 +0200 Subject: [PATCH 1/2] docs(transformations): document BigQuery default-load-type feature rollout MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Explain that the BigQuery input-mapping default is controlled by the "BigQuery Input Mapping – Default Load Type View" feature: while enabled (current state in most projects) input tables default to VIEW; disabling it in Settings → Features makes CLONE the default. Note the gradual rollout completing by July 30, 2026, after which CLONE becomes the default for all BigQuery projects. Co-Authored-By: Claude Opus 4.8 (1M context) --- .../docs/transformations/mappings/index.md | 16 ++++++++++++---- 1 file changed, 12 insertions(+), 4 deletions(-) diff --git a/src/content/docs/transformations/mappings/index.md b/src/content/docs/transformations/mappings/index.md index af806bafc..a2a330f5f 100644 --- a/src/content/docs/transformations/mappings/index.md +++ b/src/content/docs/transformations/mappings/index.md @@ -143,10 +143,18 @@ In the input mapping, tables that will be loaded as a read-only view are marked ![Read-only view indicator in the input mapping](/transformations/mappings/read-only-view-indicator.png) -:::note[New default on BigQuery] -BigQuery input mapping now defaults to `CLONE` (matching Snowflake) for faster, more consistent loading; previously it -often loaded input tables as views. Tables that can't be cloned --- linked, external, and alias tables --- are loaded as -a read-only `VIEW`. You can always override the strategy per table with the **Load type** option above. +:::note[Default load type on BigQuery] +On BigQuery, the default input-mapping load type is controlled by the **BigQuery Input Mapping – Default Load Type View** +feature. While this feature is enabled --- the current state in most projects --- input tables default to `VIEW`, just as +before. That's perfectly fine, and nothing changes for you. + +To make `CLONE` the default in your project right now, **disable** the **BigQuery Input Mapping – Default Load Type View** +feature in your project's **Settings → Features**. New input loads will then default to `CLONE` (matching Snowflake) for +faster, more consistent loading, with the automatic `VIEW`/`COPY` fallbacks described above. You can always override the +strategy per table with the **Load type** option above. + +Keboola is gradually disabling this feature across all BigQuery projects, with the rollout completing by **July 30, 2026**. +After that, `CLONE` becomes the default load type on BigQuery for everyone. ::: This might present a dilemma when loading huge tables. A logical approach when trying to speed up loading a large table would From d6e3e8cff390b552ddd379e0a8f70c08950a3036 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ji=C5=99=C3=AD=20Semmler?= <13363655+jirkasemmler@users.noreply.github.com> Date: Thu, 25 Jun 2026 12:24:04 +0200 Subject: [PATCH 2/2] date Updated the rollout completion date for a feature in BigQuery projects. --- src/content/docs/transformations/mappings/index.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/content/docs/transformations/mappings/index.md b/src/content/docs/transformations/mappings/index.md index a2a330f5f..fc0b431c7 100644 --- a/src/content/docs/transformations/mappings/index.md +++ b/src/content/docs/transformations/mappings/index.md @@ -153,7 +153,7 @@ feature in your project's **Settings → Features**. New input loads will then d faster, more consistent loading, with the automatic `VIEW`/`COPY` fallbacks described above. You can always override the strategy per table with the **Load type** option above. -Keboola is gradually disabling this feature across all BigQuery projects, with the rollout completing by **July 30, 2026**. +Keboola is gradually disabling this feature across all BigQuery projects, with the rollout completing by **July 15, 2026**. After that, `CLONE` becomes the default load type on BigQuery for everyone. :::