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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 f66fcc5cd6
commit 5b2dcead39
1 changed files with 16 additions and 14 deletions
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30
doc/src/sgml/information_schema.sgml
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@ -4846,9 +4846,11 @@ ORDER BY c.ordinal_position;
<title><literal>routine_column_usage</literal></title>
<para>
The view <literal>routine_column_usage</literal> is meant to identify all
columns that are used by a function or procedure. This information is
currently not tracked by <productname>PostgreSQL</productname>.
The view <literal>routine_column_usage</literal> identifies all columns
that are used by a function or procedure, either in the SQL body or in
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>
<table>
@ -5085,12 +5087,12 @@ ORDER BY c.ordinal_position;
<title><literal>routine_routine_usage</literal></title>
<para>
The view <literal>routine_routine_usage</literal> is meant to identify all
functions or procedures that are used by another (or the same) function or
procedure, either in the body or in parameter default expressions.
Currently, only functions used in parameter default expressions are
tracked. An entry is included here only if the used function is owned by a
currently enabled role. (There is no such restriction on the using
The view <literal>routine_routine_usage</literal> identifies all functions
or procedures that are used by another (or the same) function or procedure,
either in the SQL body or in parameter default expressions. (This only
works for unquoted SQL bodies, not quoted bodies or functions in other
languages.) An entry is included here only if the used function is owned
by a currently enabled role. (There is no such restriction on the using
function.)
</para>
@ -5184,11 +5186,11 @@ ORDER BY c.ordinal_position;
<title><literal>routine_sequence_usage</literal></title>
<para>
The view <literal>routine_sequence_usage</literal> is meant to identify all
sequences that are used by a function or procedure, either in the body or
in parameter default expressions. Currently, only sequences used in
parameter default expressions are tracked. A sequence is only included if
that sequence is owned by a currently enabled role.
The view <literal>routine_sequence_usage</literal> identifies all sequences
that are used by a function or procedure, either in the SQL body or in
parameter default expressions. (This only works for unquoted SQL bodies,
not quoted bodies or functions in other languages.) A sequence is only
included if that sequence is owned by a currently enabled role.
</para>
<table>