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fix(bigquery): wire maximumBytesBilled into prebuilt config (googleapis#3385)
## Description `maximumBytesBilled` was added to the BigQuery source config in googleapis#2724 (v1.2.0), but was not wired into the prebuilt config (`internal/prebuiltconfigs/tools/bigquery.yaml`). Users running with `--prebuilt bigquery` had no way to set a per-query scan limit via environment variable. This change adds `BIGQUERY_MAXIMUM_BYTES_BILLED` to the prebuilt config, following the same pattern as other optional fields (`BIGQUERY_IMPERSONATE_SERVICE_ACCOUNT`, `BIGQUERY_SCOPES`, etc.). Fixes googleapis#3384 🦕 --------- Co-authored-by: Yuan Teoh <45984206+Yuan325@users.noreply.github.com>
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‎docs/en/integrations/bigquery/prebuilt-configs/bigquery.md‎

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@@ -18,6 +18,9 @@ description: "Details of the BigQuery prebuilt configuration."
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to impersonate when making BigQuery and Dataplex API calls. The
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authenticated principal must have `roles/iam.serviceAccountTokenCreator`
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on the target service account.
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* `BIGQUERY_MAXIMUM_BYTES_BILLED`: (Optional) Per-query bytes scanned cap
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(in bytes). Queries that exceed this limit fail before executing and
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cost nothing.
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* **Permissions:**
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* **BigQuery User** (`roles/bigquery.user`) to execute queries and view
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metadata.

‎internal/prebuiltconfigs/tools/bigquery.yaml‎

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@@ -21,6 +21,7 @@ useClientOAuth: ${BIGQUERY_USE_CLIENT_OAUTH:false}
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scopes: ${BIGQUERY_SCOPES:}
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maxQueryResultRows: ${BIGQUERY_MAX_QUERY_RESULT_ROWS:50}
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impersonateServiceAccount: ${BIGQUERY_IMPERSONATE_SERVICE_ACCOUNT:}
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maximumBytesBilled: ${BIGQUERY_MAXIMUM_BYTES_BILLED:0}
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---
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kind: tool
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name: analyze_contribution

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