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| author | John Naylor <john.naylor@postgresql.org> | 2022-08-20 21:14:01 -0700 |
|---|---|---|
| committer | John Naylor <john.naylor@postgresql.org> | 2022-08-26 14:03:39 +0700 |
| commit | e813e0e16852c080259cd0813e1a82ecb2625aea (patch) | |
| tree | a3c20ae4fbf3eeac56ff1b66e656a25e142ed547 /src/backend/commands/copyfromparse.c | |
| parent | bcc8b14ef630b2ad9aae7813981fb248fbff9ed8 (diff) | |
| download | postgresql-e813e0e16852c080259cd0813e1a82ecb2625aea.tar.gz postgresql-e813e0e16852c080259cd0813e1a82ecb2625aea.zip | |
Add optimized functions for linear search within byte arrays
In similar vein to b6ef167564, add pg_lfind8() and pg_lfind8_le()
to search for bytes equal or less-than-or-equal to a given byte,
respectively. To abstract away platform details, add helper functions
and typedefs to simd.h.
John Naylor and Nathan Bossart, per suggestion from Andres Freund
Discussion: https://www.postgresql.org/message-id/CAFBsxsGzaaGLF%3DNuq61iRXTyspbO9rOjhSqFN%3DV6ozzmta5mXg%40mail.gmail.com
Diffstat (limited to 'src/backend/commands/copyfromparse.c')
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