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streaming in QueryResult lost column infos when the target table is empty #222

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framlog opened this issue Jul 31, 2024 · 0 comments
Open

streaming in QueryResult lost column infos when the target table is empty #222

framlog opened this issue Jul 31, 2024 · 0 comments

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@framlog
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framlog commented Jul 31, 2024

Clickhouse returns only the a single block with num_rows == 0 when do SELECT over an empty table.

In such case, QueryResult::stream_blocks skips the first block, which's the only block containing infos.

The test passes because that fetch_all doesn't skip the first block.
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@framlog