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Add checks for interval overflow/underflow

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New checks include input, month/day/time internal adjustments, addition,
subtraction, multiplication, and negation.  Also adjust docs to
correctly specify interval size in bytes.

Report from Rok Kralj
This commit is contained in:
Bruce Momjian
2014-01-30 09:41:43 -05:00
parent 571addd729
commit 146604ec43
4 changed files with 97 additions and 7 deletions
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2
doc/src/sgml/datatype.sgml
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@@ -1587,7 +1587,7 @@ SELECT E'\\xDEADBEEF';
</row>
<row>
<entry><type>interval [ <replaceable>fields</replaceable> ] [ (<replaceable>p</replaceable>) ]</type></entry>
<entry>12 bytes</entry>
<entry>16 bytes</entry>
<entry>time interval</entry>
<entry>-178000000 years</entry>
<entry>178000000 years</entry>