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| author | John Naylor <john.naylor@postgresql.org> | 2025-01-15 13:28:26 +0700 |
|---|---|---|
| committer | John Naylor <john.naylor@postgresql.org> | 2025-01-17 16:29:25 +0700 |
| commit | e24d77080b365265f3c854f64e71518622883678 (patch) | |
| tree | 87872eb12aa444393037b26776b0821393e0d399 /src/backend/parser/parse_oper.c | |
| parent | 0869ea43e9c2257819e5c8719e28fe3b5c527911 (diff) | |
| download | postgresql-e24d77080b365265f3c854f64e71518622883678.tar.gz postgresql-e24d77080b365265f3c854f64e71518622883678.zip | |
Speed up hex_encode with bytewise lookup
Previously, hex_encode looked up each nibble of the input
separately. We now use a larger lookup table containing the two-byte
encoding of every possible input byte, resulting in a 1/3 reduction
in encoding time.
Reviewed by Tom Lane, Michael Paquier, Nathan Bossart, David Rowley
Discussion: https://postgr.es/m/CANWCAZZvXuJMgqMN4u068Yqa19CEjS31tQKZp_qFFFbgYfaXqQ%40mail.gmail.com
Diffstat (limited to 'src/backend/parser/parse_oper.c')
0 files changed, 0 insertions, 0 deletions