v.1.1.54390New Feature

Queries in multipart/form-data format for external data processing

Official CH changelog text
Queries can be sent in multipart/form-data format (in the query field), which is useful if external data is also sent for query processing (Olga Hvostikova).
ClickHouse now supports sending queries using the multipart/form-data format, allowing queries and external data to be sent together in the query field.

Why it matters

This feature addresses the need to submit queries along with external data in a single HTTP request, simplifying data ingestion and processing workflows where external data must be paired with the query execution.

How to use it

Users can send HTTP requests with the content type set to multipart/form-data and include their SQL query in a field named query. Additional parts of the multipart request can contain external data to be used in the query.

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