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Little changes.

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This commit is contained in:
Vadim B. Mikheev 1997-09-30 09:50:28 +00:00
parent 7a5d3fbd9b
commit a788027724
2 changed files with 15 additions and 9 deletions
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12
src/man/create_trigger.l
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@ -1,14 +1,17 @@
.\" This is -*-nroff-*-
.\" XXX standard disclaimer belongs here....
.\" $Header: /cvsroot/pgsql/src/man/Attic/create_trigger.l,v 1.1 1997/09/26 15:13:08 thomas Exp $
.\" $Header: /cvsroot/pgsql/src/man/Attic/create_trigger.l,v 1.2 1997/09/30 09:50:27 vadim Exp $
.TH "CREATE TRIGGER" SQL 09/25/97 PostgreSQL
.SH NAME
create trigger \(em create a new trigger
.SH SYNOPSIS
.nf
\fBcreate trigger\fR trigname \fB{before|after}\fP \fB{insert|update|delete}\fB
\fBcreate trigger\fR trigname \fB{before|after}\fP
\fB{Event1 [OR Event2 [OR Event3]]}\fB
\fBon\fR relname \fBfor each {row|statement}\fR
\fBexecute procedure\fR funcname \fB(\fR arguments \fB)\fR
where \fBEventX\fR is one of INSERT, DELETE, UPDATE
.fi
.SH DESCRIPTION
.BR "Create Trigger"
@ -18,6 +21,9 @@ associated with the relation
and will execute the specified
.IR funcname .
Only relation owner may create a trigger on this relation.
Currently, STATEMENT triggers are not implemented.
.PP
The trigger can be specified to fire either
.BR before
@ -30,7 +36,7 @@ If the trigger fires
.BR before
then the trigger may
skip the operation for the current tuple,
or change the current tuple (for insert/delete operations only).
or change tuple being inserted (for insert/update operations only).
If the trigger fires
.BR after
then all changes including the last insertion/updation/deletion

12
src/man/drop_trigger.l
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@ -1,23 +1,23 @@
.\" This is -*-nroff-*-
.\" XXX standard disclaimer belongs here....
.\" $Header: /cvsroot/pgsql/src/man/Attic/drop_trigger.l,v 1.1 1997/09/26 15:13:09 thomas Exp $
.\" $Header: /cvsroot/pgsql/src/man/Attic/drop_trigger.l,v 1.2 1997/09/30 09:50:28 vadim Exp $
.TH "DROP TRIGGER" SQL 09/26/97 PostgreSQL
.SH NAME
drop trigger \(em destroy existing classes
drop trigger \(em destroy existing trigger
.SH SYNOPSIS
.nf
\fBdrop trigger\fR trigname
\fBdrop trigger\fR trigname \fBon\fR relname
.fi
.SH DESCRIPTION
.BR "Drop Trigger"
removes triggers from the data base. Only its owner may destroy a
removes trigger for relation from the data base. Only relation owner may destroy a
trigger.
.SH EXAMPLE
.nf
--
--Destroy the empverify trigger
--Destroy the empverify trigger on relation emp
--
drop trigger empverify
drop trigger empverify on emp
.fi
.SH "SEE ALSO"
create trigger(l).