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Doc: fix confusion about LEAKPROOF in syntax summaries. 

The syntax summaries for CREATE FUNCTION and allied commands
made it look like LEAKPROOF is an alternative to
IMMUTABLE/STABLE/VOLATILE, when of course it is an orthogonal
option.  Improve that.

Per gripe from aazamrafeeque0.  Thanks to David Johnston for
suggestions.

Discussion: https://postgr.es/m/162444349581.694.5818572718530259025@wrigleys.postgresql.org
This commit is contained in:
Tom Lane 2021-06-23 14:27:13 -04:00
parent 13f3655683
commit 9aa06956ea
3 changed files with 8 additions and 5 deletions
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3
doc/src/sgml/ref/alter_function.sgml
View File

@ -35,7 +35,8 @@ ALTER FUNCTION <replaceable>name</replaceable> [ ( [ [ <replaceable class="param
<phrase>where <replaceable class="parameter">action</replaceable> is one of:</phrase>
CALLED ON NULL INPUT | RETURNS NULL ON NULL INPUT | STRICT
IMMUTABLE | STABLE | VOLATILE | [ NOT ] LEAKPROOF
IMMUTABLE | STABLE | VOLATILE
[ NOT ] LEAKPROOF
[ EXTERNAL ] SECURITY INVOKER | [ EXTERNAL ] SECURITY DEFINER
PARALLEL { UNSAFE | RESTRICTED | SAFE }
COST <replaceable class="parameter">execution_cost</replaceable>

3
doc/src/sgml/ref/alter_routine.sgml
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@ -34,7 +34,8 @@ ALTER ROUTINE <replaceable>name</replaceable> [ ( [ [ <replaceable class="parame
<phrase>where <replaceable class="parameter">action</replaceable> is one of:</phrase>
IMMUTABLE | STABLE | VOLATILE | [ NOT ] LEAKPROOF
IMMUTABLE | STABLE | VOLATILE
[ NOT ] LEAKPROOF
[ EXTERNAL ] SECURITY INVOKER | [ EXTERNAL ] SECURITY DEFINER
PARALLEL { UNSAFE | RESTRICTED | SAFE }
COST <replaceable class="parameter">execution_cost</replaceable>

7
doc/src/sgml/ref/create_function.sgml
View File

@ -28,9 +28,10 @@ CREATE [ OR REPLACE ] FUNCTION
{ LANGUAGE <replaceable class="parameter">lang_name</replaceable>
| TRANSFORM { FOR TYPE <replaceable class="parameter">type_name</replaceable> } [, ... ]
| WINDOW
| IMMUTABLE | STABLE | VOLATILE | [ NOT ] LEAKPROOF
| CALLED ON NULL INPUT | RETURNS NULL ON NULL INPUT | STRICT
| [ EXTERNAL ] SECURITY INVOKER | [ EXTERNAL ] SECURITY DEFINER
| { IMMUTABLE | STABLE | VOLATILE }
| [ NOT ] LEAKPROOF
| { CALLED ON NULL INPUT | RETURNS NULL ON NULL INPUT | STRICT }
| { [ EXTERNAL ] SECURITY INVOKER | [ EXTERNAL ] SECURITY DEFINER }
| PARALLEL { UNSAFE | RESTRICTED | SAFE }
| COST <replaceable class="parameter">execution_cost</replaceable>
| ROWS <replaceable class="parameter">result_rows</replaceable>