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doc: adjust order of NUMERIC arguments to match syntax

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Specifically, mention precision before scale

Reported-by: claytonjsalem@gmail.com

Discussion: https://postgr.es/m/152967566691.1268.1062965601465200209@wrigleys.postgresql.org

Backpatch-through: 9.3
This commit is contained in:
Bruce Momjian
2018-06-24 18:07:00 -04:00
parent c1975c1af7
commit 6350dcc1f4
1 changed files with 7 additions and 8 deletions
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15
doc/src/sgml/datatype.sgml
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@ -515,14 +515,13 @@
<para>
We use the following terms below: The
<firstterm>scale</firstterm> of a <type>numeric</type> is the
count of decimal digits in the fractional part, to the right of
the decimal point. The <firstterm>precision</firstterm> of a
<type>numeric</type> is the total count of significant digits in
the whole number, that is, the number of digits to both sides of
the decimal point. So the number 23.5141 has a precision of 6
and a scale of 4. Integers can be considered to have a scale of
zero.
<firstterm>precision</firstterm> of a <type>numeric</type>
is the total count of significant digits in the whole number,
that is, the number of digits to both sides of the decimal point.
The <firstterm>scale</firstterm> of a <type>numeric</type> is the
count of decimal digits in the fractional part, to the right of the
decimal point. So the number 23.5141 has a precision of 6 and a
scale of 4. Integers can be considered to have a scale of zero.
</para>
<para>