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Deparsing logic in postgres_fdw for locking, FROM clause (alias) and Var (column qualification) does not need to know the exact number of members involved, which can be calculated with bms_num_members(), but just if there is more than one relation involved, which is what bms_membership() does. The latter is more performant than the former so this shaves a couple of cycles. Author: Daniel Gustafsson Reviewed-by: Ashutosh Bapat, Nathan Bossart Discussion: https://postgr.es/m/C73594E0-2B67-4E10-BB35-CDE0E41CC384@yesql.se |
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| .. | ||
| expected | ||
| sql | ||
| .gitignore | ||
| connection.c | ||
| deparse.c | ||
| Makefile | ||
| option.c | ||
| postgres_fdw--1.0.sql | ||
| postgres_fdw.c | ||
| postgres_fdw.control | ||
| postgres_fdw.h | ||
| shippable.c | ||