diff options
| -rw-r--r-- | doc/src/sgml/datatype.sgml | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/doc/src/sgml/datatype.sgml b/doc/src/sgml/datatype.sgml index 763a114e7f7..14efb14553e 100644 --- a/doc/src/sgml/datatype.sgml +++ b/doc/src/sgml/datatype.sgml @@ -1,4 +1,4 @@ -<!-- $PostgreSQL: pgsql/doc/src/sgml/datatype.sgml,v 1.239 2009/06/17 21:58:49 tgl Exp $ --> +<!-- $PostgreSQL: pgsql/doc/src/sgml/datatype.sgml,v 1.239.2.1 2009/07/08 17:22:01 tgl Exp $ --> <chapter id="datatype"> <title id="datatype-title">Data Types</title> @@ -1524,11 +1524,11 @@ SELECT b, char_length(b) FROM test2; DAY TO MINUTE DAY TO SECOND HOUR TO MINUTE + HOUR TO SECOND MINUTE TO SECOND </programlisting> - Input falling outside the specified set of fields is silently discarded. Note that if both <replaceable>fields</replaceable> and - <replaceable>precision</replaceable> are specified, the + <replaceable>p</replaceable> are specified, the <replaceable>fields</replaceable> must include <literal>SECOND</>, since the precision applies only to the seconds. </para> @@ -2468,11 +2468,15 @@ P <optional> <replaceable>years</>-<replaceable>months</>-<replaceable>days</> < <para> When writing an interval constant with a <replaceable>fields</> - specification, or when assigning to an interval column that was defined - with a <replaceable>fields</> specification, the interpretation of + specification, or when assigning a string to an interval column that was + defined with a <replaceable>fields</> specification, the interpretation of unmarked quantities depends on the <replaceable>fields</>. For example <literal>INTERVAL '1' YEAR</> is read as 1 year, whereas - <literal>INTERVAL '1'</> means 1 second. + <literal>INTERVAL '1'</> means 1 second. Also, field values + <quote>to the right</> of the least significant field allowed by the + <replaceable>fields</> specification are silently discarded. For + example, writing <literal>INTERVAL '1 day 2:03:04' HOUR TO MINUTE</> + results in dropping the seconds field, but not the day field. </para> <para> |