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Repair array subscript overrun identified by Yichen Xie. Reduce the

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value of MAX_TIME_PRECISION in floating-point-timestamp-storage case
from 13 to 10, which is as much as time_out is actually willing to print.
(The alternative of increasing the number of digits we are willing to
print looks risky; we might find ourselves printing roundoff garbage.)
This commit is contained in:
Tom Lane
2003-01-29 01:08:42 +00:00
parent b8add56ed0
commit 23b8a0ce61
4 changed files with 56 additions and 74 deletions
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13
doc/src/sgml/datatype.sgml
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@ -1,5 +1,5 @@
<!--
$Header: /cvsroot/pgsql/doc/src/sgml/datatype.sgml,v 1.111 2003/01/15 18:01:04 momjian Exp $
$Header: /cvsroot/pgsql/doc/src/sgml/datatype.sgml,v 1.112 2003/01/29 01:08:42 tgl Exp $
-->
<chapter id="datatype">
@ -1297,8 +1297,7 @@ SELECT b, char_length(b) FROM test2;
fractional digits retained in the seconds field. By default, there
is no explicit bound on precision. The allowed range of
<replaceable>p</replaceable> is from 0 to 6 for the
<type>timestamp</type> and <type>interval</type> types, 0 to 13
for the <type>time</type> types.
<type>timestamp</type> and <type>interval</type> types.
</para>
<note>
@ -1314,6 +1313,12 @@ SELECT b, char_length(b) FROM test2;
</para>
</note>
<para>
For the <type>time</type> types, the allowed range of
<replaceable>p</replaceable> is from 0 to 6 when eight-byte integer
storage is used, or from 0 to 10 when floating-point storage is used.
</para>
<para>
Time zones, and time-zone conventions, are influenced by
political decisions, not just earth geometry. Time zones around the
@ -1485,7 +1490,7 @@ SELECT b, char_length(b) FROM test2;
<para>
The <type>time</type> type can be specified as <type>time</type> or
as <type>time without time zone</type>. The optional precision
<replaceable>p</replaceable> should be between 0 and 13, and
<replaceable>p</replaceable> should be between 0 and 6, and
defaults to the precision of the input time literal.
</para>