diff options
Diffstat (limited to 'doc/src/sgml/xfunc.sgml')
| -rw-r--r-- | doc/src/sgml/xfunc.sgml | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/doc/src/sgml/xfunc.sgml b/doc/src/sgml/xfunc.sgml index 231e4bcec74..4a2dac06e09 100644 --- a/doc/src/sgml/xfunc.sgml +++ b/doc/src/sgml/xfunc.sgml @@ -1,5 +1,5 @@ <!-- -$PostgreSQL: pgsql/doc/src/sgml/xfunc.sgml,v 1.89 2004/11/15 06:32:14 neilc Exp $ +$PostgreSQL: pgsql/doc/src/sgml/xfunc.sgml,v 1.90 2004/12/13 18:05:09 petere Exp $ --> <sect1 id="xfunc"> @@ -1930,7 +1930,7 @@ CREATE FUNCTION c_overpaid(emp, integer) RETURNS boolean There are two ways you can build a composite data value (henceforth a <quote>tuple</>): you can build it from an array of Datum values, or from an array of C strings that can be passed to the input - conversion functions of the tuple's column datatypes. In either + conversion functions of the tuple's column data types. In either case, you first need to obtain or construct a <structname>TupleDesc</> descriptor for the tuple structure. When working with Datums, you pass the <structname>TupleDesc</> to <function>BlessTupleDesc</>, @@ -2494,10 +2494,10 @@ CREATE FUNCTION test(int, int) RETURNS int for all calls within a single surrounding query. This category allows the optimizer to optimize away multiple calls of the function within a single query. In particular, it is safe to use an expression - containing such a function in an indexscan condition. (Since an - indexscan will evaluate the comparison value only once, not once at + containing such a function in an index scan condition. (Since an + index scan will evaluate the comparison value only once, not once at each row, it is not valid to use a <literal>VOLATILE</> function in - an indexscan condition.) + an index scan condition.) </para> </listitem> <listitem> |