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7ab32140

Commit 7ab32140 authored 11 years ago by Tom Lane

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Fix crash in assign_collations_walker for EXISTS with empty SELECT list.

We (I think I, actually) forgot about this corner case while coding
collation resolution.  Per bug #8648 from Arjen Nienhuis.

parent 02bb4bbc

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src/backend/parser/parse_collate.c 8 additions, 2 deletions

src/backend/parser/parse_collate.c
src/test/regress/expected/subselect.out 10 additions, 0 deletions

src/test/regress/expected/subselect.out
src/test/regress/sql/subselect.sql 6 additions, 0 deletions

src/test/regress/sql/subselect.sql

with 24 additions and 2 deletions

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