postgres.git / summary / log / commit / refs

commit    278edd9ed36c7722cbae27e0e96a08964da69eb5
Author:   Bruce Momjian <bruce@momjian.us>
Date:     Tue Mar 24 23:57:52 2015 +0000
First released in: 9.5.0

    doc:  update NUMERIC to state that only some ops are exact
    
    Report by Tom Lane


 doc/src/sgml/datatype.sgml | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/doc/src/sgml/datatype.sgml b/doc/src/sgml/datatype.sgml
index edf636b4417..da1f25fe285 100644
--- a/doc/src/sgml/datatype.sgml
+++ b/doc/src/sgml/datatype.sgml
@@ -498,11 +498,13 @@
 
     <para>
      The type <type>numeric</type> can store numbers with a
-     very large number of digits and perform calculations exactly. It is
-     especially recommended for storing monetary amounts and other
-     quantities where exactness is required. However, arithmetic on
-     <type>numeric</type> values is very slow compared to the integer
-     types, or to the floating-point types described in the next section.
+     very large number of digits. It is especially recommended for
+     storing monetary amounts and other quantities where exactness is
+     required.  Calculations with <type>numeric</type> values yield exact
+     results where possible, e.g.  addition, subtraction, multiplication.
+     However, calculations on <type>numeric</type> values are very slow
+     compared to the integer types, or to the floating-point types
+     described in the next section.
     </para>
 
     <para>


[parent: 1d8198bb44e7]