diff options
Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/sgml/bki.sgml | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/doc/src/sgml/bki.sgml b/doc/src/sgml/bki.sgml index 4e7568f5ce9..272a10a98c5 100644 --- a/doc/src/sgml/bki.sgml +++ b/doc/src/sgml/bki.sgml @@ -119,7 +119,8 @@ require all columns that should be non-nullable to be marked so in <structname>pg_attribute</structname>. The bootstrap code will automatically mark catalog columns as <literal>NOT NULL</literal> - if they are fixed-width and are not preceded by any nullable column. + if they are fixed-width and are not preceded by any nullable or + variable-width column. Where this rule is inadequate, you can force correct marking by using <literal>BKI_FORCE_NOT_NULL</literal> and <literal>BKI_FORCE_NULL</literal> annotations as needed. |