Optimize SearchPathCache by saving the last entry.
Repeated lookups are common, so it's worth it to check the last entry
before doing another hash lookup.
Discussion: https://postgr.es/m/04c8592dbd694e4114a3ed87139a7a04e4363030.camel%40j-davis.com
Branch
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master
Details
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https://git.postgresql.org/pg/commitdiff/a86c61c9eefaba7dcf375cd60c875c871ed60945
Modified Files
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src/backend/catalog/namespace.c | 88 ++++++++++++++++++++++++++---------------
1 file changed, 57 insertions(+), 31 deletions(-)