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Andrew Gierth 64eed263ac postgres_fdw: don't push ORDER BY with no vars (bug #15352) ... Commit aa09cd242 changed a condition in find_em_expr_for_rel from being a bms_equal comparison of relids to bms_is_subset, in order to support order by clauses on foreign joins. But this also allows through the degenerate case of expressions with no Vars at all (and hence empty relids), including integer constants which will be parsed unexpectedly on the remote (viz. "ERROR: ORDER BY position 0 is not in select list" as in the bug report). Repair by adding an additional !bms_is_empty test. Backpatch through to 9.6 where the aforementioned change was made. Per bug #15352 from Maksym Boguk; analysis and patch by me. Discussion: https://postgr.es/m/153518420278.1478.14875560810251994661@wrigleys.postgresql.org		8 years ago
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expected	Fix hashjoin costing mistake introduced with inner_unique optimization.	8 years ago
sql	Fix test case for 'outer pathkeys do not match mergeclauses' fix.	8 years ago
.gitignore	…
Makefile	Prevent accidental linking of system-supplied copies of libpq.so etc.	8 years ago
connection.c	Re-establish postgres_fdw connections after server or user mapping changes.	9 years ago
deparse.c	Fix postgres_fdw to cope with duplicate GROUP BY entries.	8 years ago
option.c	Phase 3 of pgindent updates.	9 years ago
postgres_fdw--1.0.sql	…
postgres_fdw.c	postgres_fdw: don't push ORDER BY with no vars (bug #15352)	8 years ago
postgres_fdw.control	…
postgres_fdw.h	postgres_fdw: Move function prototype to correct section.	9 years ago
shippable.c	Update copyright via script for 2017	9 years ago