diff options
Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/sgml/config.sgml | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml index fe1735722a6..d383de25128 100644 --- a/doc/src/sgml/config.sgml +++ b/doc/src/sgml/config.sgml @@ -51,14 +51,21 @@ In general, enclose the value in single quotes, doubling any single quotes within the value. Quotes can usually be omitted if the value is a simple number or identifier, however. + (Values that match a SQL keyword require quoting in some contexts.) </para> </listitem> <listitem> <para> <emphasis>Numeric (integer and floating point):</emphasis> - A decimal point is permitted only for floating-point parameters. - Do not use thousands separators. Quotes are not required. + Numeric parameters can be specified in the customary integer and + floating-point formats; fractional values are rounded to the nearest + integer if the parameter is of integer type. Integer parameters + additionally accept hexadecimal input (beginning + with <literal>0x</literal>) and octal input (beginning + with <literal>0</literal>), but these formats cannot have a fraction. + Do not use thousands separators. + Quotes are not required, except for hexadecimal input. </para> </listitem> @@ -99,6 +106,13 @@ </para> </listitem> </itemizedlist> + + If a fractional value is specified with a unit, it will be rounded + to a multiple of the next smaller unit if there is one. + For example, <literal>30.1 GB</literal> will be converted + to <literal>30822 MB</literal> not <literal>32319628902 B</literal>. + If the parameter is of integer type, a final rounding to integer + occurs after any units conversion. </para> </listitem> |