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JSONStringsEachRowWithProgress

Description​

Differs from JSONEachRow/JSONStringsEachRow in that ClickHouse will also yield progress information as JSON values.

Example usage​

{"row":{"num":42,"str":"hello","arr":[0,1]}}
{"row":{"num":43,"str":"hello","arr":[0,1,2]}}
{"row":{"num":44,"str":"hello","arr":[0,1,2,3]}}
{"progress":{"read_rows":"3","read_bytes":"24","written_rows":"0","written_bytes":"0","total_rows_to_read":"3"}}

Format settings​