mirror of
https://github.com/ClickHouse/ClickHouse.git
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40 lines
536 B
Plaintext
40 lines
536 B
Plaintext
TOTAL rows 4
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OLD DEDUPLICATE
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0 0 0 1
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1 1 2 1
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1 1 3 1
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DEDUPLICATE BY *
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0 0 0 1
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1 1 2 1
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1 1 3 1
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DEDUPLICATE BY * EXCEPT mat
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0 0 0 1
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1 1 2 1
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1 1 3 1
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DEDUPLICATE BY pk,sk,val,mat,partition_key
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0 0 0 1
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1 1 2 1
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1 1 3 1
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Can not remove full duplicates
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OLD DEDUPLICATE
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4
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DEDUPLICATE BY pk,sk,val,mat
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4
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Remove partial duplicates
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DEDUPLICATE BY *
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3
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DEDUPLICATE BY * EXCEPT mat
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0 0 0 1
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1 1 2 1
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1 1 3 1
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DEDUPLICATE BY COLUMNS("*") EXCEPT mat
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0 0 0 1
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1 1 2 1
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1 1 3 1
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DEDUPLICATE BY pk,sk
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0 0 0 1
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1 1 2 1
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DEDUPLICATE BY COLUMNS(".*k")
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0 0 0 1
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1 1 2 1
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