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doc: Update info on information schema usage tables

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Commit f40c6969d0 added the information schema usage tables but added
documentation that they did not fully work yet.  Commit e717a9a18b
then added SQL-standard function bodies, which made the information
schema views fully functional, but it neglected to update the
documentation.  This is now done here.

Reported-by: Erki Eessaar <erki.eessaar@taltech.ee>
Reviewed-by: Erki Eessaar <erki.eessaar@taltech.ee>
Discussion: https://www.postgresql.org/message-id/flat/AM9PR01MB8268EC7B696F9FE346CA5B93FEB8A%40AM9PR01MB8268.eurprd01.prod.exchangelabs.com
This commit is contained in:
Peter Eisentraut
2023-12-01 08:40:45 +01:00
parent 5dd30bb54b
commit 74a1bb168d
1 changed files with 16 additions and 14 deletions
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30
doc/src/sgml/information_schema.sgml
View File

@@ -4846,9 +4846,11 @@ ORDER BY c.ordinal_position;
<title><literal>routine_column_usage</literal></title> <title><literal>routine_column_usage</literal></title>
<para> <para>
The view <literal>routine_column_usage</literal> is meant to identify all The view <literal>routine_column_usage</literal> identifies all columns
columns that are used by a function or procedure. This information is that are used by a function or procedure, either in the SQL body or in
currently not tracked by <productname>PostgreSQL</productname>. parameter default expressions. (This only works for unquoted SQL bodies,
not quoted bodies or functions in other languages.) A column is only
included if its table is owned by a currently enabled role.
</para> </para>
<table> <table>
@@ -5085,12 +5087,12 @@ ORDER BY c.ordinal_position;
<title><literal>routine_routine_usage</literal></title> <title><literal>routine_routine_usage</literal></title>
<para> <para>
The view <literal>routine_routine_usage</literal> is meant to identify all The view <literal>routine_routine_usage</literal> identifies all functions
functions or procedures that are used by another (or the same) function or or procedures that are used by another (or the same) function or procedure,
procedure, either in the body or in parameter default expressions. either in the SQL body or in parameter default expressions. (This only
Currently, only functions used in parameter default expressions are works for unquoted SQL bodies, not quoted bodies or functions in other
tracked. An entry is included here only if the used function is owned by a languages.) An entry is included here only if the used function is owned
currently enabled role. (There is no such restriction on the using by a currently enabled role. (There is no such restriction on the using
function.) function.)
</para> </para>
@@ -5184,11 +5186,11 @@ ORDER BY c.ordinal_position;
<title><literal>routine_sequence_usage</literal></title> <title><literal>routine_sequence_usage</literal></title>
<para> <para>
The view <literal>routine_sequence_usage</literal> is meant to identify all The view <literal>routine_sequence_usage</literal> identifies all sequences
sequences that are used by a function or procedure, either in the body or that are used by a function or procedure, either in the SQL body or in
in parameter default expressions. Currently, only sequences used in parameter default expressions. (This only works for unquoted SQL bodies,
parameter default expressions are tracked. A sequence is only included if not quoted bodies or functions in other languages.) A sequence is only
that sequence is owned by a currently enabled role. included if that sequence is owned by a currently enabled role.
</para> </para>
<table> <table>