diff options
| -rw-r--r-- | doc/src/sgml/release-12.sgml | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/doc/src/sgml/release-12.sgml b/doc/src/sgml/release-12.sgml index 8529c6a261e..51de9cac16c 100644 --- a/doc/src/sgml/release-12.sgml +++ b/doc/src/sgml/release-12.sgml @@ -207,18 +207,16 @@ Author: Andrew Gierth <rhodiumtoad@postgresql.org> --> <para> - Avoid performing unnecessary rounding of <link - linkend="datatype-float"><type>REAL</type></link> and <type>DOUBLE - PRECISION</type> values (Andrew Gierth) + Improve performance by changing the default number of trailing digits + output for <link linkend="datatype-float"><type>REAL</type></link> + and <type>DOUBLE PRECISION</type> values (Andrew Gierth) </para> <para> - This dramatically speeds up processing of floating-point - values but causes additional trailing digits to - potentially be displayed. Users wishing to have output - that is rounded to match the previous behavior can set <link - linkend="guc-extra-float-digits"><literal>extra_float_digits=0</literal></link>, - which is no longer the default. + Previously, float values were output rounded to 6 or 15 decimals + by default. Now, only the number of digits required to preserve + the exact binary value is output. The previous behavior can be + restored by setting <xref linkend="guc-extra-float-digits"/> to zero. </para> </listitem> |