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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2017-09-19 15:09:34 -0400 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2017-09-19 15:09:38 -0400 |
| commit | ed22fb8b0091deea23747310fa7609079a96cf82 (patch) | |
| tree | f05ec800378c5b2f116eb1e47558a9809ec77bc3 /src/backend/access/gist/gistsplit.c | |
| parent | 890faaf1957759c6e17fbcbfd16f7cabc4a59d07 (diff) | |
| download | postgresql-ed22fb8b0091deea23747310fa7609079a96cf82.tar.gz postgresql-ed22fb8b0091deea23747310fa7609079a96cf82.zip | |
Cache datatype-output-function lookup info across calls of concat().
Testing indicates this can save a third to a half of the runtime
of the function.
Pavel Stehule, reviewed by Alexander Kuzmenkov
Discussion: https://postgr.es/m/CAFj8pRAT62pRgjoHbgTfJUc2uLmeQ4saUj+yVJAEZUiMwNCmdg@mail.gmail.com
Diffstat (limited to 'src/backend/access/gist/gistsplit.c')
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