Update docs on numeric storage requirements.

Since 9.1, the minimum overhead is three bytes, not five.

Fujii Masao
This commit is contained in:
Robert Haas 2012-03-22 15:40:27 -04:00
parent f318ee848c
commit 10b2e7404f

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@ -549,7 +549,7 @@ NUMERIC
type is more akin to <type>varchar(<replaceable>n</>)</type> type is more akin to <type>varchar(<replaceable>n</>)</type>
than to <type>char(<replaceable>n</>)</type>.) The actual storage than to <type>char(<replaceable>n</>)</type>.) The actual storage
requirement is two bytes for each group of four decimal digits, requirement is two bytes for each group of four decimal digits,
plus five to eight bytes overhead. plus three to eight bytes overhead.
</para> </para>
<indexterm> <indexterm>