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Document NOT NULL for table creation.

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Clarify usage of date_part() for timespan data type.
This commit is contained in:
Thomas G. Lockhart 1997-10-01 17:05:16 +00:00
parent dec1889a73
commit 7cd15c47d8
2 changed files with 9 additions and 8 deletions
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9
src/man/create_table.l
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@ -1,13 +1,13 @@
.\" This is -*-nroff-*-
.\" XXX standard disclaimer belongs here....
.\" $Header: /cvsroot/pgsql/src/man/Attic/create_table.l,v 1.8 1997/09/27 03:58:29 momjian Exp $
.\" $Header: /cvsroot/pgsql/src/man/Attic/create_table.l,v 1.9 1997/10/01 17:05:13 thomas Exp $
.TH "CREATE TABLE" SQL 09/25/97 PostgreSQL
.SH NAME
create table \(em create a new class
.SH SYNOPSIS
.nf
\fBcreate table\fR classname \fB(\fPattname type [\fBdefault\fP value]
[\fB,\fP attname type [\fBdefault\fP value] ]\fB )\fP
\fBcreate table\fR classname \fB(\fPattname type [not null] [\fBdefault\fP value]
[\fB,\fP attname type [\fBnot null\fP] [\fBdefault\fP value] ]\fB )\fP
[\fBinherits\fR \fB(\fR classname [\fB,\fR classname] \fB)\fR]
[\fBconstraint\fR cname \fBcheck\fR \fB(\fR test \fB)\fR [, \fBcheck\fR \fB(\fR test \fB)\fR ] ]
[\fBarchive\fR \fB=\fR archive_mode]
@ -25,7 +25,8 @@ and the attributes are as specified in the list of
Each attribute is created with the type specified by
.IR type "."
Each type may be a simple type, a complex type (set) or an array type.
Each attribute may have a default value, specified by the
Each attribute may be specified to be non-null and
each may have a default value, specified by the
.IR default
clause which is the keyword "default" followed by a constant or expression.
.PP

8
src/man/pgbuiltin.3
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@ -1,6 +1,6 @@
.\" This is -*-nroff-*-
.\" XXX standard disclaimer belongs here....
.\" $Header: /cvsroot/pgsql/src/man/Attic/pgbuiltin.3,v 1.5 1997/09/27 04:37:33 thomas Exp $
.\" $Header: /cvsroot/pgsql/src/man/Attic/pgbuiltin.3,v 1.6 1997/10/01 17:05:16 thomas Exp $
.TH PGBUILTIN INTRO 04/01/97 PostgreSQL PostgreSQL
.SH "DESCRIPTION"
This section describes the data types, functions and operators
@ -592,9 +592,9 @@ functions, arguments can be
`year', `month', `day', `hour', `minute', and `second',
as well as the more specialized quantities
`decade', `century', `millenium', `millisecond', and `microsecond'.
date_part() also allows
`dow'
to return day of week and `epoch' to return seconds since 1970.
date_part() allows `dow'
to return day of week and `epoch' to return seconds since 1970 for datetime
and 'epoch' to return total elapsed seconds for timespan.
.nf
Functions: