| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | pgsql-committers(at)postgresql(dot)org |
| Subject: | pgsql: Improve generated column names for cases involving sub-SELECTs. |
| Date: | 2011-10-01 18:01:57 |
| Message-ID: | E1RA3sr-00056J-36@gemulon.postgresql.org |
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| Thread: | |
| Lists: | pgsql-committers |
Improve generated column names for cases involving sub-SELECTs.
We'll now use "exists" for EXISTS(SELECT ...), "array" for ARRAY(SELECT
...), or the sub-select's own result column name for a simple expression
sub-select. Previously, you usually got "?column?" in such cases.
Marti Raudsepp, reviewed by Kyotaro Horiugchi
Branch
------
master
Details
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http://git.postgresql.org/pg/commitdiff/5ec6b7f1b87f0fa006b8e08a11cd4e99bcb67358
Modified Files
--------------
doc/src/sgml/ref/select.sgml | 5 ++-
doc/src/sgml/syntax.sgml | 6 ++--
src/backend/parser/parse_target.c | 42 ++++++++++++++++++++++++++++++
src/test/regress/expected/aggregates.out | 6 ++--
src/test/regress/expected/subselect.out | 12 ++++----
src/test/regress/expected/with.out | 4 +-
6 files changed, 59 insertions(+), 16 deletions(-)
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