Erwin Brandstetter

Vienna, Austria

Database expert.

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USING construct in JOIN clause can introduce optimization barriers in certain cases?

postgresql performance optimization join select asked Apr 12, 2012 at 8:06

dba.stackexchange.com

30 votes

"Recheck Cond:" line in query plans with a bitmap index scan

postgresql index postgresql-9.4 query-plan asked Jul 8, 2015 at 0:25

dba.stackexchange.com

22 votes

Syntax highlighting:  does not seem to work for block quote

bug code-formatting syntax-highlighting markdown-rendering asked Sep 7, 2015 at 15:45

meta.stackexchange.com

19 votes

Naming conflict between function parameter and result of JOIN with USING clause

postgresql join plpgsql parameter naming-convention asked Jul 2, 2015 at 23:54

dba.stackexchange.com

18 votes

PostgreSQL functions returning void

postgresql stored-procedures null plpgsql void asked Nov 30, 2011 at 1:15

stackoverflow.com

15 votes

Constraint defined DEFERRABLE INITIALLY IMMEDIATE is still DEFERRED?

sql postgresql constraints postgresql-9.1 asked Apr 5, 2012 at 16:19

stackoverflow.com

15 votes

Why is code excluded from phrase search?

bug search exact-phrase asked May 17, 2017 at 19:27

meta.stackexchange.com

14 votes

Description page for the "Edit questions and answers" privilege needs an edit

bug status-completed stackoverflow privileges asked Oct 10, 2011 at 6:19

meta.stackexchange.com

14 votes

Why not ERROR: index row size xxxx exceeds maximum 2712 for index "foo"?

postgresql index size limits asked Sep 8, 2018 at 15:56

dba.stackexchange.com

13 votes

Can declaring function volatility IMMUTABLE harm performance?

postgresql performance postgresql-performance functions asked Jul 13, 2018 at 23:43

dba.stackexchange.com

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