postgres.git / summary / log / commit / refs
commit 62c49fca1330954a678d1d74e2a7883eb950fcff
Author: Bruce Momjian <bruce@momjian.us>
Date: Wed Aug 31 23:43:06 2022 +0000
First released in: 16.0, 10.23, 11.18, 12.13, 13.9, 14.6, 15.0
doc: document the maximum char/varchar length value
Reported-by: Japin Li
Discussion: https://postgr.es/m/MEYP282MB1669B13E98AE531617CB1386B6979@MEYP282MB1669.AUSP282.PROD.OUTLOOK.COM
Backpatch-through: 10
doc/src/sgml/datatype.sgml | 2 ++
1 file changed, 2 insertions(+)
diff --git a/doc/src/sgml/datatype.sgml b/doc/src/sgml/datatype.sgml
index 4cc9e592708..0258b192e0e 100644
--- a/doc/src/sgml/datatype.sgml
+++ b/doc/src/sgml/datatype.sgml
@@ -1217,6 +1217,8 @@ SELECT '52093.89'::money::numeric::float8;
<type>char(<replaceable>n</replaceable>)</type> are aliases for <type>character
varying(<replaceable>n</replaceable>)</type> and
<type>character(<replaceable>n</replaceable>)</type>, respectively.
+ If specified, the length must be greater than zero and cannot exceed
+ 10485760.
<type>character</type> without length specifier is equivalent to
<type>character(1)</type>. If <type>character varying</type> is used
without length specifier, the type accepts strings of any size. The
[parent: 9bdad1b5153e]