feat(bigquery): support JSON array operations by corleyma · Pull Request #12053 · ibis-project/ibis

corleyma · 2026-07-23T20:16:08Z

Description of changes

Compile string-to-JSON casts with PARSE_JSON and string-to-JSON try casts with SAFE.PARSE_JSON.
Compile JSON array unwrapping with JSON_QUERY_ARRAY, enabling JSON arrays to participate in Ibis array operations such as unnest.
Add compiler snapshots and BigQuery system coverage for valid, malformed, empty, null, non-array, and relational JSON-array cases.

just ci-check "--extra bigquery" ibis/backends/bigquery/tests/unit (260 passed, 4 xfailed)
uv run --group dev pre-commit run --files <changed files>

github-actions Bot added tests Issues or PRs related to tests bigquery The BigQuery backend sql Backends that generate SQL labels Jul 23, 2026

corleyma marked this pull request as ready for review July 23, 2026 20:24

corleyma force-pushed the corleyma/bigquery-json-array-operations branch from ee253d5 to be8fbcc Compare August 7, 2026 03:43

corleyma added 3 commits August 15, 2026 11:05

fix(bigquery): compile string to json casts

7de589f

feat(bigquery): compile json array unwrapping

fcf36a4

test(bigquery): cover json array relations

cc5b4ab

corleyma force-pushed the corleyma/bigquery-json-array-operations branch from 1d38580 to cc5b4ab Compare August 15, 2026 18:06