diff options
Diffstat (limited to 'doc/src/sgml/trigger.sgml')
| -rw-r--r-- | doc/src/sgml/trigger.sgml | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/doc/src/sgml/trigger.sgml b/doc/src/sgml/trigger.sgml index 84ca327c4f..f8e039c489 100644 --- a/doc/src/sgml/trigger.sgml +++ b/doc/src/sgml/trigger.sgml @@ -1,4 +1,4 @@ -<!-- $PostgreSQL: pgsql/doc/src/sgml/trigger.sgml,v 1.47 2006/09/16 00:30:16 momjian Exp $ --> +<!-- $PostgreSQL: pgsql/doc/src/sgml/trigger.sgml,v 1.48 2007/01/31 20:56:19 momjian Exp $ --> <chapter id="triggers"> <title>Triggers</title> @@ -122,7 +122,7 @@ <para> The return value is ignored for row-level triggers fired after an - operation, and so they may as well return <symbol>NULL</>. + operation, and so they can return <symbol>NULL</>. </para> <para> @@ -152,7 +152,7 @@ <para> If a trigger function executes SQL commands then these - commands may fire triggers again. This is known as cascading + commands might fire triggers again. This is known as cascading triggers. There is no direct limitation on the number of cascade levels. It is possible for cascades to cause a recursive invocation of the same trigger; for example, an <command>INSERT</command> @@ -233,7 +233,7 @@ changes for rows previously processed in the same outer command. This requires caution, since the ordering of these change events is not in general predictable; a SQL command that - affects multiple rows may visit the rows in any order. + affects multiple rows can visit the rows in any order. </para> </listitem> @@ -332,7 +332,7 @@ typedef struct TriggerData <term><structfield>tg_event</></term> <listitem> <para> - Describes the event for which the function is called. You may use the + Describes the event for which the function is called. You can use the following macros to examine <literal>tg_event</literal>: <variablelist> @@ -524,7 +524,7 @@ typedef struct Trigger <para> Here is a very simple example of a trigger function written in C. - (Examples of triggers written in procedural languages may be found + (Examples of triggers written in procedural languages can be found in the documentation of the procedural languages.) </para> |