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| author | Andres Freund <andres@anarazel.de> | 2015-02-21 22:25:49 +0100 |
|---|---|---|
| committer | Andres Freund <andres@anarazel.de> | 2015-02-21 22:31:54 +0100 |
| commit | eb68379c38202180bc8e33fb9987284e314b7fc8 (patch) | |
| tree | 0e6dcc59b1fabfe9c63b0d0377607acee7dad025 /doc/src | |
| parent | 0627eff3602c0ce0e8358d48ddb3ffa73963e4d0 (diff) | |
Allow forcing nullness of columns during bootstrap.
Bootstrap determines whether a column is null based on simple builtin
rules. Those work surprisingly well, but nonetheless a few existing
columns aren't set correctly. Additionally there is at least one patch
sent to hackers where forcing the nullness of a column would be helpful.
The boostrap format has gained FORCE [NOT] NULL for this, which will be
emitted by genbki.pl when BKI_FORCE_(NOT_)?NULL is specified for a
column in a catalog header.
This patch doesn't change the marking of any existing columns.
Discussion: 20150215170014.GE15326@awork2.anarazel.de
Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/sgml/bki.sgml | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/doc/src/sgml/bki.sgml b/doc/src/sgml/bki.sgml index aaf500ad082..af6d8d1d2a9 100644 --- a/doc/src/sgml/bki.sgml +++ b/doc/src/sgml/bki.sgml @@ -75,9 +75,12 @@ <optional><literal>without_oids</></optional> <optional><literal>rowtype_oid</> <replaceable>oid</></optional> (<replaceable class="parameter">name1</replaceable> = - <replaceable class="parameter">type1</replaceable> <optional>, - <replaceable class="parameter">name2</replaceable> = <replaceable - class="parameter">type2</replaceable>, ...</optional>) + <replaceable class="parameter">type1</replaceable> + <optional>FORCE NOT NULL | FORCE NULL </optional> <optional>, + <replaceable class="parameter">name2</replaceable> = + <replaceable class="parameter">type2</replaceable> + <optional>FORCE NOT NULL | FORCE NULL </optional>, + ...</optional>) </term> <listitem> |