fix(clickhouse): do not double-escape JSON-encoded fields#4232
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jacobmarble merged 3 commits intomainfrom Apr 13, 2026
Merged
fix(clickhouse): do not double-escape JSON-encoded fields#4232jacobmarble merged 3 commits intomainfrom
jacobmarble merged 3 commits intomainfrom
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mdibaiee
approved these changes
Apr 13, 2026
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Description:
The Clickhouse materializer double-escapes object/array/multiple type columns because
Load()depends on Clickhouse functionstoJSONString(map(...))to reconstruct, which does NOT JSON-decode those stringsInstead, we need to build the top-level JSON string manually by concatenating a bunch of
{,},:,,, column names, variables, etc.Workflow steps:
This fixes in the
Load()method of the Clickhouse materializer.Documentation links affected:
(list any documentation links that you created, or existing ones that you've identified as needing updates, along with a brief description)
Notes for reviewers:
(anything that might help someone review this PR)