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Erwin Brandstetter's user avatar
Erwin Brandstetter
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earned this badge 11 times.
Are results from UNION ALL clauses always appended in order?
Awarded Feb 17 at 14:25
Why does the cast from double precision to numeric round to 15 significant digits?
Awarded Dec 30, 2022 at 6:51
When to mark functions as PARALLEL RESTRICTED vs PARALLEL SAFE?
Awarded Mar 30, 2022 at 15:01
How can the concatenatation of a text and a NULL value return a non-null result?
Awarded Jul 6, 2021 at 20:25
Can declaring function volatility IMMUTABLE harm performance?
Awarded Jun 2, 2020 at 23:15
ERROR: improper qualified name (too many dotted names) when trying ALTER FUNCTION
Awarded Sep 9, 2019 at 8:50
Why *not* ERROR: index row size xxxx exceeds maximum 2712 for index "foo"?
Awarded Jul 3, 2019 at 15:20
Surprising results for data types with type modifier
Awarded Mar 11, 2019 at 9:30
Naming conflict between function parameter and result of JOIN with USING clause
Awarded Feb 17, 2017 at 17:02
"Recheck Cond:" line in query plans with a bitmap index scan
Awarded Apr 11, 2016 at 17:55
USING construct in JOIN clause can introduce optimization barriers in certain cases?
Awarded Jun 13, 2013 at 15:30

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