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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 88a4cb30a4
commit e83f827f5a

View File

@ -568,7 +568,7 @@ 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>