</para>
<para>
- Issuing <command>ABORT</> outside of a transaction block has no effect.
+ Issuing <command>ABORT</> outside of a transaction block
+ emits a warning and otherwise has no effect.
</para>
</refsect1>
<para>
Issuing <command>ROLLBACK</> outside of a transaction
- block has no effect.
+ block emits a warning and otherwise has no effect.
</para>
</refsect1>
<para>
Specifies that the command takes effect for only the current
transaction. After <command>COMMIT</> or <command>ROLLBACK</>,
- the session-level setting takes effect again. This has no effect
- outside of a transaction block.
+ the session-level setting takes effect again. Issuing this
+ outside of a transaction block emits a warning and otherwise has
+ no effect.
</para>
</listitem>
</varlistentry>
<para>
This command only alters the behavior of constraints within the
- current transaction. This has no effect outside of a transaction block.
+ current transaction. Issuing this outside of a transaction block
+ emits a warning and otherwise has no effect.
</para>
</refsect1>
<para>
If <command>SET TRANSACTION</command> is executed without a prior
<command>START TRANSACTION</command> or <command>BEGIN</command>,
- it will have no effect.
+ it emits a warning and otherwise has no effect.
</para>
<para>