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Information schema views about functions

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Peter Eisentraut 2003-06-05 16:08:47 +00:00
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doc/src/sgml/information_schema.sgml
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@ -1,4 +1,4 @@
<!-- $Header: /cvsroot/pgsql/doc/src/sgml/information_schema.sgml,v 1.2 2003/05/25 09:36:09 petere Exp $ -->
<!-- $Header: /cvsroot/pgsql/doc/src/sgml/information_schema.sgml,v 1.3 2003/06/05 16:08:47 petere Exp $ -->
<chapter id="information-schema">
<title>The Information Schema</title>
@ -956,8 +956,246 @@
<row>
<entry><literal>dtd_identifier</literal></entry>
<entry><type>sql_identifier</type></entry>
<entry>
A unique identifier of the data type of the domain (The
specific format of the identifier is not defined and not
guaranteed to remain the same in future versions.)
</entry>
</row>
</tbody>
</tgroup>
</table>
</sect1>
<sect1 id="infoschema-parameters">
<title><literal>parameters</literal></title>
<para>
The view <literal>parameters</literal> contains information about
the parameters (arguments) all functions in the current database.
Only those functions are shown that the current user has access to
(by way of being the owner or having some privilege).
</para>
<table>
<title><literal>parameters</literal> Columns</title>
<tgroup cols="3">
<thead>
<row>
<entry>Name</entry>
<entry>Data Type</entry>
<entry>Description</entry>
</row>
</thead>
<tbody>
<row>
<entry><literal>specific_catalog</literal></entry>
<entry><type>sql_identifier</type></entry>
<entry>Name of the database containing the function (always the current database)</entry>
</row>
<row>
<entry><literal>specific_schema</literal></entry>
<entry><type>sql_identifier</type></entry>
<entry>Name of the schema containing the function</entry>
</row>
<row>
<entry><literal>specific_name</literal></entry>
<entry><type>sql_identifier</type></entry>
<entry>
The <quote>specific name</quote> of the function. See <xref
linkend="infoschema-routines"> for more information.
</entry>
</row>
<row>
<entry><literal>ordinal_position</literal></entry>
<entry><type>cardinal_number</type></entry>
<entry>
Ordinal position of the parameter in the argument list of the
function (count starts at 1)
</entry>
</row>
<row>
<entry><literal>parameter_mode</literal></entry>
<entry><type>character_data</type></entry>
<entry>
Always <literal>IN</literal>, meaning input parameter (In the
future there might be other parameter modes.)
</entry>
</row>
<row>
<entry><literal>is_result</literal></entry>
<entry><type>character_data</type></entry>
<entry>Applies to a feature not available in PostgreSQL</entry>
</row>
<row>
<entry><literal>as_locator</literal></entry>
<entry><type>character_data</type></entry>
<entry>Applies to a feature not available in PostgreSQL</entry>
</row>
<row>
<entry><literal>parameter_name</literal></entry>
<entry><type>sql_identifier</type></entry>
<entry>Always null, since PostgreSQL does not support named parameters</entry>
</row>
<row>
<entry><literal>data_type</literal></entry>
<entry><type>character_data</type></entry>
<entry>Data type of the parameter</entry>
</row>
<row>
<entry><literal>character_maximum_length</literal></entry>
<entry><type>cardinal_number</type></entry>
<entry>Always null, since this information is not applied to parameter data types in PostgreSQL</entry>
</row>
<row>
<entry><literal>character_octet_length</literal></entry>
<entry><type>cardinal_number</type></entry>
<entry>Always null, since this information is not applied to parameter data types in PostgreSQL</entry>
</row>
<row>
<entry><literal>character_set_catalog</literal></entry>
<entry><type>sql_identifier</type></entry>
<entry>Applies to a feature not available in PostgreSQL</entry>
</row>
<row>
<entry><literal>character_set_schema</literal></entry>
<entry><type>sql_identifier</type></entry>
<entry>Applies to a feature not available in PostgreSQL</entry>
</row>
<row>
<entry><literal>character_set_name</literal></entry>
<entry><type>sql_identifier</type></entry>
<entry>Applies to a feature not available in PostgreSQL</entry>
</row>
<row>
<entry><literal>collation_catalog</literal></entry>
<entry><type>sql_identifier</type></entry>
<entry>Applies to a feature not available in PostgreSQL</entry>
</row>
<row>
<entry><literal>collation_schema</literal></entry>
<entry><type>sql_identifier</type></entry>
<entry>Applies to a feature not available in PostgreSQL</entry>
</row>
<row>
<entry><literal>collation_name</literal></entry>
<entry><type>sql_identifier</type></entry>
<entry>Applies to a feature not available in PostgreSQL</entry>
</row>
<row>
<entry><literal>numeric_precision</literal></entry>
<entry><type>cardinal_number</type></entry>
<entry>Always null, since this information is not applied to parameter data types in PostgreSQL</entry>
</row>
<row>
<entry><literal>numeric_precision_radix</literal></entry>
<entry><type>cardinal_number</type></entry>
<entry>Always null, since this information is not applied to parameter data types in PostgreSQL</entry>
</row>
<row>
<entry><literal>numeric_scale</literal></entry>
<entry><type>cardinal_number</type></entry>
<entry>Always null, since this information is not applied to parameter data types in PostgreSQL</entry>
</row>
<row>
<entry><literal>datetime_precision</literal></entry>
<entry><type>cardinal_number</type></entry>
<entry>Always null, since this information is not applied to parameter data types in PostgreSQL</entry>
</row>
<row>
<entry><literal>interval_type</literal></entry>
<entry><type>character_data</type></entry>
<entry>Always null, since this information is not applied to parameter data types in PostgreSQL</entry>
</row>
<row>
<entry><literal>interval_precision</literal></entry>
<entry><type>character_data</type></entry>
<entry>Always null, since this information is not applied to parameter data types in PostgreSQL</entry>
</row>
<row>
<entry><literal>udt_catalog</literal></entry>
<entry><type>sql_identifier</type></entry>
<entry>
Name of the database that the data type of the parameter is
defined in (always the current database)
</entry>
</row>
<row>
<entry><literal>udt_schema</literal></entry>
<entry><type>sql_identifier</type></entry>
<entry>
Name of the schema that the data type of the parameter is
defined in
</entry>
</row>
<row>
<entry><literal>udt_name</literal></entry>
<entry><type>sql_identifier</type></entry>
<entry>
Name of the data type of the parameter
</entry>
</row>
<row>
<entry><literal>scope_catalog</literal></entry>
<entry><type>sql_identifier</type></entry>
<entry>Applies to a feature not available in PostgreSQL</entry>
</row>
<row>
<entry><literal>scope_schema</literal></entry>
<entry><type>sql_identifier</type></entry>
<entry>Applies to a feature not available in PostgreSQL</entry>
</row>
<row>
<entry><literal>scope_name</literal></entry>
<entry><type>sql_identifier</type></entry>
<entry>Applies to a feature not available in PostgreSQL</entry>
</row>
<row>
<entry><literal>maximum_cardinality</literal></entry>
<entry><type>cardinal_number</type></entry>
<entry>Applies to a feature not available in PostgreSQL</entry>
</row>
<row>
<entry><literal>dtd_identifier</literal></entry>
<entry><type>sql_identifier</type></entry>
<entry>
A unique identifier of the data type of the parameter (The
specific format of the identifier is not defined and not
guaranteed to remain the same in future versions.)
</entry>
</row>
</tbody>
</tgroup>
</table>
@ -1067,6 +1305,508 @@
</table>
</sect1>
<sect1 id="infoschema-routine-privileges">
<title><literal>routine_privileges</literal></title>
<para>
The view <literal>routine_privileges</literal> identifies all
privileges granted on functions to the current user or by the
current user. There is one row for each combination of function,
grantor, and grantee.
</para>
<table>
<title><literal>routine_privileges</literal> Columns</title>
<tgroup cols="3">
<thead>
<row>
<entry>Name</entry>
<entry>Data Type</entry>
<entry>Description</entry>
</row>
</thead>
<tbody>
<row>
<entry><literal>grantor</literal></entry>
<entry><type>sql_identifier</type></entry>
<entry>Name of the user that granted the privileges</entry>
</row>
<row>
<entry><literal>grantee</literal</entry>
<entry><type>sql_identifier</type></entry>
<entry>Name of the user that the privilege was granted to</entry>
</row>
<row>
<entry><literal>specific_catalog</literal></entry>
<entry><type>sql_identifier</type></entry>
<entry>Name of the database containing the function (always the current database)</entry>
</row>
<row>
<entry><literal>specific_schema</literal></entry>
<entry><type>sql_identifier</type></entry>
<entry>Name of the schema containing the function</entry>
</row>
<row>
<entry><literal>specific_name</literal></entry>
<entry><type>sql_identifier</type></entry>
<entry>
The <quote>specific name</quote> of the function. See <xref
linkend="infoschema-routines"> for more information.
</entry>
</row>
<row>
<entry><literal>routine_catalog</literal></entry>
<entry><type>sql_identifier</type></entry>
<entry>Name of the database containing the function (always the current database)</entry>
</row>
<row>
<entry><literal>routine_schema</literal></entry>
<entry><type>sql_identifier</type></entry>
<entry>Name of the schema containing the function</entry>
</row>
<row>
<entry><literal>routine_name</literal></entry>
<entry><type>sql_identifier</type></entry>
<entry>Name of the function (may be duplicated in case of overloading)</entry>
</row>
<row>
<entry><literal>privilege_type</literal</entry>
<entry><type>character_data</type></entry>
<entry>Always <literal>EXECUTE</literal> (the only privilege type for functions)</entry>
</row>
<row>
<entry><literal>is_grantable</literal></entry>
<entry><type>character_data</type></entry>
<entry><literal>YES</literal> if the privilege is grantable, <literal>NO</literal> if not</entry>
</row>
</tbody>
</tgroup>
</table>
</sect1>
<sect1 id="infoschema-routines">
<title><literal>routines</literal></title>
<para>
The view <literal>routines</literal> contains all functions in the
current database. Only those functions are shown that the current
user has access to (by way of being the owner or having some
privilege).
</para>
<table>
<title><literal>routines</literal> Columns</title>
<tgroup cols="3">
<thead>
<row>
<entry>Name</entry>
<entry>Data Type</entry>
<entry>Description</entry>
</row>
</thead>
<tbody>
<row>
<entry><literal>specific_catalog</literal></entry>
<entry><type>sql_identifier</type></entry>
<entry>Name of the database containing the function (always the current database)</entry>
</row>
<row>
<entry><literal>specific_schema</literal></entry>
<entry><type>sql_identifier</type></entry>
<entry>Name of the schema containing the function</entry>
</row>
<row>
<entry><literal>specific_name</literal></entry>
<entry><type>sql_identifier</type></entry>
<entry>
The <quote>specific name</quote> of the function. This is a
name that uniquely identifies the function in the schema, even
if the real name of the function is overloaded. The format of
the specific name is not defined, it should only be used to
compare it to other instances of specific routine names.
</entry>
</row>
<row>
<entry><literal>routine_catalog</literal></entry>
<entry><type>sql_identifier</type></entry>
<entry>Name of the database containing the function (always the current database)</entry>
</row>
<row>
<entry><literal>routine_schema</literal></entry>
<entry><type>sql_identifier</type></entry>
<entry>Name of the schema containing the function</entry>
</row>
<row>
<entry><literal>routine_name</literal></entry>
<entry><type>sql_identifier</type></entry>
<entry>Name of the function (may be duplicated in case of overloading)</entry>
</row>
<row>
<entry><literal>routine_type</literal></entry>
<entry><type>character_data</type></entry>
<entry>
Always <literal>FUNCTION</literal> (In the future there might
be other types of routines.)
</entry>
</row>
<row>
<entry><literal>module_catalog</literal></entry>
<entry><type>sql_identifier</type></entry>
<entry>Applies to a feature not available in PostgreSQL</entry>
</row>
<row>
<entry><literal>module_schema</literal></entry>
<entry><type>sql_identifier</type></entry>
<entry>Applies to a feature not available in PostgreSQL</entry>
</row>
<row>
<entry><literal>module_name</literal></entry>
<entry><type>sql_identifier</type></entry>
<entry>Applies to a feature not available in PostgreSQL</entry>
</row>
<row>
<entry><literal>udt_catalog</literal></entry>
<entry><type>sql_identifier</type></entry>
<entry>Applies to a feature not available in PostgreSQL</entry>
</row>
<row>
<entry><literal>udt_schema</literal></entry>
<entry><type>sql_identifier</type></entry>
<entry>Applies to a feature not available in PostgreSQL</entry>
</row>
<row>
<entry><literal>udt_name</literal></entry>
<entry><type>sql_identifier</type></entry>
<entry>Applies to a feature not available in PostgreSQL</entry>
</row>
<row>
<entry><literal>data_type</literal></entry>
<entry><type>character_data</type></entry>
<entry>Return data type of the function</entry>
</row>
<row>
<entry><literal>character_maximum_length</literal></entry>
<entry><type>cardinal_number</type></entry>
<entry>Always null, since this information is not applied to return data types in PostgreSQL</entry>
</row>
<row>
<entry><literal>character_octet_length</literal></entry>
<entry><type>cardinal_number</type></entry>
<entry>Always null, since this information is not applied to return data types in PostgreSQL</entry>
</row>
<row>
<entry><literal>character_set_catalog</literal></entry>
<entry><type>sql_identifier</type></entry>
<entry>Applies to a feature not available in PostgreSQL</entry>
</row>
<row>
<entry><literal>character_set_schema</literal></entry>
<entry><type>sql_identifier</type></entry>
<entry>Applies to a feature not available in PostgreSQL</entry>
</row>
<row>
<entry><literal>character_set_name</literal></entry>
<entry><type>sql_identifier</type></entry>
<entry>Applies to a feature not available in PostgreSQL</entry>
</row>
<row>
<entry><literal>collation_catalog</literal></entry>
<entry><type>sql_identifier</type></entry>
<entry>Applies to a feature not available in PostgreSQL</entry>
</row>
<row>
<entry><literal>collation_schema</literal></entry>
<entry><type>sql_identifier</type></entry>
<entry>Applies to a feature not available in PostgreSQL</entry>
</row>
<row>
<entry><literal>collation_name</literal></entry>
<entry><type>sql_identifier</type></entry>
<entry>Applies to a feature not available in PostgreSQL</entry>
</row>
<row>
<entry><literal>numeric_precision</literal></entry>
<entry><type>cardinal_number</type></entry>
<entry>Always null, since this information is not applied to return data types in PostgreSQL</entry>
</row>
<row>
<entry><literal>numeric_precision_radix</literal></entry>
<entry><type>cardinal_number</type></entry>
<entry>Always null, since this information is not applied to return data types in PostgreSQL</entry>
</row>
<row>
<entry><literal>numeric_scale</literal></entry>
<entry><type>cardinal_number</type></entry>
<entry>Always null, since this information is not applied to return data types in PostgreSQL</entry>
</row>
<row>
<entry><literal>datetime_precision</literal></entry>
<entry><type>cardinal_number</type></entry>
<entry>Always null, since this information is not applied to return data types in PostgreSQL</entry>
</row>
<row>
<entry><literal>interval_type</literal></entry>
<entry><type>character_data</type></entry>
<entry>Always null, since this information is not applied to return data types in PostgreSQL</entry>
</row>
<row>
<entry><literal>interval_precision</literal></entry>
<entry><type>character_data</type></entry>
<entry>Always null, since this information is not applied to return data types in PostgreSQL</entry>
</row>
<row>
<entry><literal>type_udt_catalog</literal></entry>
<entry><type>sql_identifier</type></entry>
<entry>
Name of the database that the return data type of the function
is defined in (always the current database)
</entry>
</row>
<row>
<entry><literal>type_udt_schema</literal></entry>
<entry><type>sql_identifier</type></entry>
<entry>
Name of the schema that the return data type of the function is
defined in
</entry>
</row>
<row>
<entry><literal>type_udt_name</literal></entry>
<entry><type>sql_identifier</type></entry>
<entry>
Name of the return data type of the function
</entry>
</row>
<row>
<entry><literal>scope_catalog</literal></entry>
<entry><type>sql_identifier</type></entry>
<entry>Applies to a feature not available in PostgreSQL</entry>
</row>
<row>
<entry><literal>scope_schema</literal></entry>
<entry><type>sql_identifier</type></entry>
<entry>Applies to a feature not available in PostgreSQL</entry>
</row>
<row>
<entry><literal>scope_name</literal></entry>
<entry><type>sql_identifier</type></entry>
<entry>Applies to a feature not available in PostgreSQL</entry>
</row>
<row>
<entry><literal>maximum_cardinality</literal></entry>
<entry><type>cardinal_number</type></entry>
<entry>Applies to a feature not available in PostgreSQL</entry>
</row>
<row>
<entry><literal>dtd_identifier</literal></entry>
<entry><type>sql_identifier</type></entry>
<entry>
A unique identifier of the return data type of the function
(The specific format of the identifier is not defined and not
guaranteed to remain the same in future versions.)
</entry>
</row>
<row>
<entry><literal>routine_body</literal></entry>
<entry><type>character_data</type></entry>
<entry>
If the function is an SQL function, then
<literal>SQL</literal>, else <literal>EXTERNAL</literal>.
</entry>
</row>
<row>
<entry><literal>routine_definition</literal></entry>
<entry><type>character_data</type></entry>
<entry>
The source text of the function (null if the current user is
not the owner of the function). (According to the SQL
standard, this column is only applicable if
<literal>routine_body</literal> is <literal>SQL</literal>, but
in PostgreSQL it will contain whatever source text was
specified when the function was created.)
</entry>
</row>
<row>
<entry><literal>external_name</literal></entry>
<entry><type>character_data</type></entry>
<entry>
If this function is a C function, then the external name (link
symbol) of the function; else null. (This works out to be the
same value that is shown in
<literal>routine_definition</literal>.)
</entry>
</row>
<row>
<entry><literal>external_language</literal></entry>
<entry><type>character_data</type></entry>
<entry>The language the function is written in</entry>
</row>
<row>
<entry><literal>parameter_style</literal></entry>
<entry><type>character_data</type></entry>
<entry>
Always <literal>GENERAL</literal> (The SQL standard defines
other parameter styles, which are not available in PostgreSQL.)
</entry>
</row>
<row>
<entry><literal>is_deterministic</literal></entry>
<entry><type>character_data</type></entry>
<entry>
If the function is declared immutable (called deterministic in
the SQL standard), then <literal>YES</literal>, else
<literal>NO</literal>. (You cannot query the other volatility
levels available in PostgreSQL through the information schema.)
</entry>
</row>
<row>
<entry><literal>sql_data_access</literal></entry>
<entry><type>character_data</type></entry>
<entry>
Always <literal>MODIFIES</literal>, meaning that the function
possibly modifies SQL data. This information is not useful for
PostgreSQL.
</entry>
</row>
<row>
<entry><literal>is_null_call</literal></entry>
<entry><type>character_data</type></entry>
<entry>
If the function automatically returns null if any of its
arguments are null, then <literal>YES</literal>, else
<literal>NO</literal>.
</entry>
</row>
<row>
<entry><literal>sql_path</literal></entry>
<entry><type>character_data</type></entry>
<entry>Applies to a feature not available in PostgreSQL</entry>
</row>
<row>
<entry><literal>schema_level_routine</literal></entry>
<entry><type>character_data</type></entry>
<entry>
Always <literal>YES</literal> (The opposite would be a method
of a user-defined type, which is a feature not available in
PostgreSQL.)
</entry>
</row>
<row>
<entry><literal>max_dynamic_result_sets</literal></entry>
<entry><type>cardinal_number</type></entry>
<entry>Applies to a feature not available in PostgreSQL</entry>
</row>
<row>
<entry><literal>is_user_defined_cast</literal></entry>
<entry><type>character_data</type></entry>
<entry>Applies to a feature not available in PostgreSQL</entry>
</row>
<row>
<entry><literal>is_implicitly_invocable</literal></entry>
<entry><type>character_data</type></entry>
<entry>Applies to a feature not available in PostgreSQL</entry>
</row>
<row>
<entry><literal>security_type</literal></entry>
<entry><type>character_data</type></entry>
<entry>
If the function runs with the privileges of the current user,
then <literal>INVOKER</literal>, if the function runs with the
privileges of the user who defined it, then
<literal>DEFINER</literal>.
</entry>
</row>
<row>
<entry><literal>to_sql_specific_catalog</literal></entry>
<entry><type>sql_identifier</type></entry>
<entry>Applies to a feature not available in PostgreSQL</entry>
</row>
<row>
<entry><literal>to_sql_specific_schema</literal></entry>
<entry><type>sql_identifier</type></entry>
<entry>Applies to a feature not available in PostgreSQL</entry>
</row>
<row>
<entry><literal>to_sql_specific_name</literal></entry>
<entry><type>sql_identifier</type></entry>
<entry>Applies to a feature not available in PostgreSQL</entry>
</row>
<row>
<entry><literal>as_locator</literal></entry>
<entry><type>character_data</type></entry>
<entry>Applies to a feature not available in PostgreSQL</entry>
</row>
</tbody>
</tgroup>
</table>
</sect1>
<sect1 id="infoschema-schemata">
<title><literal>schemata</literal></title>

178
src/backend/catalog/information_schema.sql
View File

@ -4,7 +4,7 @@
*
* Copyright 2002, PostgreSQL Global Development Group
*
* $Id: information_schema.sql,v 1.6 2003/05/25 09:36:09 petere Exp $
* $Id: information_schema.sql,v 1.7 2003/06/05 16:08:47 petere Exp $
*/
@ -272,7 +272,7 @@ CREATE VIEW columns AS
CAST(null AS sql_identifier) AS scope_name,
CAST(null AS cardinal_number) AS maximum_cardinality,
CAST(CAST(t.oid AS varchar) AS sql_identifier) AS dtd_identifier,
CAST(t.oid AS sql_identifier) AS dtd_identifier,
CAST('NO' AS character_data) AS is_self_referencing
FROM (pg_attribute LEFT JOIN pg_attrdef ON attrelid = adrelid AND attnum = adnum) AS a,
@ -474,7 +474,7 @@ CREATE VIEW domains AS
CAST(null AS sql_identifier) AS scope_name,
CAST(null AS cardinal_number) AS maximum_cardinality,
CAST(CAST(t.oid AS varchar) AS sql_identifier) AS dtd_identifier
CAST(t.oid AS sql_identifier) AS dtd_identifier
FROM pg_type t, pg_namespace nt,
pg_type bt, pg_namespace nbt
@ -487,6 +487,65 @@ CREATE VIEW domains AS
GRANT SELECT ON domains TO PUBLIC;
/*
* 20.33
* PARAMETERS view
*/
CREATE VIEW parameters AS
SELECT CAST(current_database() AS sql_identifier) AS specific_catalog,
CAST(n.nspname AS sql_identifier) AS specific_schema,
CAST(p.proname || '_' || CAST(p.oid AS text) AS sql_identifier) AS specific_name,
CAST(n + 1 AS cardinal_number) AS ordinal_position,
CAST('IN' AS character_data) AS parameter_mode,
CAST('NO' AS character_data) AS is_result,
CAST('NO' AS character_data) AS as_locator,
CAST(null AS sql_identifier) AS parameter_name,
CAST(
CASE WHEN nt.nspname = 'pg_catalog'
THEN format_type(t.oid, null)
ELSE 'USER-DEFINED' END AS character_data)
AS data_type,
CAST(null AS cardinal_number) AS character_maximum_length,
CAST(null AS cardinal_number) AS character_octet_length,
CAST(null AS sql_identifier) AS character_set_catalog,
CAST(null AS sql_identifier) AS character_set_schema,
CAST(null AS sql_identifier) AS character_set_name,
CAST(null AS sql_identifier) AS collation_catalog,
CAST(null AS sql_identifier) AS collation_schema,
CAST(null AS sql_identifier) AS collation_name,
CAST(null AS cardinal_number) AS numeric_precision,
CAST(null AS cardinal_number) AS numeric_precision_radix,
CAST(null AS cardinal_number) AS numeric_scale,
CAST(null AS cardinal_number) AS datetime_precision,
CAST(null AS character_data) AS interval_type,
CAST(null AS character_data) AS interval_precision,
CAST(current_database() AS sql_identifier) AS udt_catalog,
CAST(nt.nspname AS sql_identifier) AS udt_schema,
CAST(t.typname AS sql_identifier) AS udt_name,
CAST(null AS sql_identifier) AS scope_catalog,
CAST(null AS sql_identifier) AS scope_schema,
CAST(null AS sql_identifier) AS scope_name,
CAST(null AS cardinal_number) AS maximum_cardinality,
CAST(t.oid AS sql_identifier) AS dtd_identifier
FROM pg_namespace n, pg_proc p, pg_type t, pg_namespace nt, pg_user u,
(select 0 union select 1 union select 2 union select 3 union select 4 union
select 5 union select 6 union select 7 union select 8 union select 9 union
select 10 union select 11 union select 12 union select 13 union select 14 union
select 15 union select 16 union select 17 union select 18 union select 19 union
select 20 union select 21 union select 22 union select 23 union select 24 union
select 25 union select 26 union select 27 union select 28 union select 29 union
select 30 union select 31) AS pos(n)
WHERE n.oid = p.pronamespace AND p.pronargs > pos.n
AND p.proargtypes[n] = t.oid AND t.typnamespace = nt.oid
AND p.proowner = u.usesysid
AND (u.usename = current_user OR has_function_privilege(p.oid, 'EXECUTE'));
GRANT SELECT ON parameters TO PUBLIC;
/*
* 20.35
* REFERENTIAL_CONSTRAINTS view
@ -539,6 +598,119 @@ CREATE VIEW referential_constraints AS
GRANT SELECT ON referential_constraints TO PUBLIC;
/*
* 20.43
* ROUTINE_PRIVILEGES view
*/
CREATE VIEW routine_privileges AS
SELECT CAST(u_owner.usename AS sql_identifier) AS grantor,
CAST(u_grantee.usename AS sql_identifier) AS grantee,
CAST(current_database() AS sql_identifier) AS specific_catalog,
CAST(n.nspname AS sql_identifier) AS specific_schema,
CAST(p.proname || '_' || CAST(p.oid AS text) AS sql_identifier) AS specific_name,
CAST(current_database() AS sql_identifier) AS routine_catalog,
CAST(n.nspname AS sql_identifier) AS routine_schema,
CAST(p.proname AS sql_identifier) AS routine_name,
CAST('EXECUTE' AS character_data) AS privilege_type,
CAST('NO' AS character_data) AS is_grantable
FROM pg_user u_owner,
pg_user u_grantee,
pg_namespace n,
pg_proc p
WHERE u_owner.usesysid = p.proowner
AND p.pronamespace = n.oid
AND has_function_privilege(u_grantee.usename, p.oid, 'EXECUTE')
AND (u_owner.usename = current_user OR u_grantee.usename = current_user);
GRANT SELECT ON routine_privileges TO PUBLIC;
/*
* 20.45
* ROUTINES view
*/
CREATE VIEW routines AS
SELECT CAST(current_database() AS sql_identifier) AS specific_catalog,
CAST(n.nspname AS sql_identifier) AS specific_schema,
CAST(p.proname || '_' || CAST(p.oid AS text) AS sql_identifier) AS specific_name,
CAST(current_database() AS sql_identifier) AS routine_catalog,
CAST(n.nspname AS sql_identifier) AS routine_schema,
CAST(p.proname AS sql_identifier) AS routine_name,
CAST('FUNCTION' AS character_data) AS routine_type,
CAST(null AS sql_identifier) AS module_catalog,
CAST(null AS sql_identifier) AS module_schema,
CAST(null AS sql_identifier) AS module_name,
CAST(null AS sql_identifier) AS udt_catalog,
CAST(null AS sql_identifier) AS udt_schema,
CAST(null AS sql_identifier) AS udt_name,
CAST(
CASE WHEN nt.nspname = 'pg_catalog'
THEN format_type(t.oid, null)
ELSE 'USER-DEFINED' END AS character_data)
AS data_type,
CAST(null AS cardinal_number) AS character_maximum_length,
CAST(null AS cardinal_number) AS character_octet_length,
CAST(null AS sql_identifier) AS character_set_catalog,
CAST(null AS sql_identifier) AS character_set_schema,
CAST(null AS sql_identifier) AS character_set_name,
CAST(null AS sql_identifier) AS collation_catalog,
CAST(null AS sql_identifier) AS collation_schema,
CAST(null AS sql_identifier) AS collation_name,
CAST(null AS cardinal_number) AS numeric_precision,
CAST(null AS cardinal_number) AS numeric_precision_radix,
CAST(null AS cardinal_number) AS numeric_scale,
CAST(null AS cardinal_number) AS datetime_precision,
CAST(null AS character_data) AS interval_type,
CAST(null AS character_data) AS interval_precision,
CAST(current_database() AS sql_identifier) AS type_udt_catalog,
CAST(nt.nspname AS sql_identifier) AS type_udt_schema,
CAST(t.typname AS sql_identifier) AS type_udt_name,
CAST(null AS sql_identifier) AS scope_catalog,
CAST(null AS sql_identifier) AS scope_schema,
CAST(null AS sql_identifier) AS scope_name,
CAST(null AS cardinal_number) AS maximum_cardinality,
CAST(t.oid AS sql_identifier) AS dtd_identifier,
CAST(CASE WHEN l.lanname = 'sql' THEN 'SQL' ELSE 'EXTERNAL' END AS character_data)
AS routine_body,
CAST(
CASE WHEN u.usename = current_user THEN p.prosrc ELSE null END
AS character_data) AS routine_definition,
CAST(
CASE WHEN l.lanname = 'c' THEN p.prosrc ELSE null END
AS character_data) AS external_name,
CAST(upper(l.lanname) AS character_data) AS external_language,
CAST('GENERAL' AS character_data) AS parameter_style,
CAST(CASE WHEN p.provolatile = 'i' THEN 'YES' ELSE 'NO' END AS character_data) AS is_deterministic,
CAST('MODIFIES' AS character_data) AS sql_data_access,
CAST(CASE WHEN p.proisstrict THEN 'YES' ELSE 'NO' END AS character_data) AS is_null_call,
CAST(null AS character_data) AS sql_path,
CAST('YES' AS character_data) AS schema_level_routine,
CAST(0 AS cardinal_number) AS max_dynamic_result_sets,
CAST(null AS character_data) AS is_user_defined_cast,
CAST(null AS character_data) AS is_implicitly_invocable,
CAST(CASE WHEN p.prosecdef THEN 'DEFINER' ELSE 'INVOKER' END AS character_data) AS security_type,
CAST(null AS sql_identifier) AS to_sql_specific_catalog,
CAST(null AS sql_identifier) AS to_sql_specific_schema,
CAST(null AS sql_identifier) AS to_sql_specific_name,
CAST('NO' AS character_data) AS as_locator
FROM pg_namespace n, pg_proc p, pg_language l, pg_user u,
pg_type t, pg_namespace nt
WHERE n.oid = p.pronamespace AND p.prolang = l.oid AND p.proowner = u.usesysid
AND p.prorettype = t.oid AND t.typnamespace = nt.oid
AND (u.usename = current_user OR has_function_privilege(p.oid, 'EXECUTE'));
GRANT SELECT ON routines TO PUBLIC;
/*
* 20.46
* SCHEMATA view

4
src/backend/catalog/sql_features.txt
View File

@ -335,8 +335,8 @@ T321 Basic SQL-invoked routines 02 User-defined stored procedures with no overlo
T321 Basic SQL-invoked routines 03 Function invocation YES
T321 Basic SQL-invoked routines 04 CALL statement NO
T321 Basic SQL-invoked routines 05 RETURN statement NO
T321 Basic SQL-invoked routines 06 ROUTINES view NO
T321 Basic SQL-invoked routines 07 PARAMETERS view NO
T321 Basic SQL-invoked routines 06 ROUTINES view YES
T321 Basic SQL-invoked routines 07 PARAMETERS view YES
T322 Overloading of SQL-invoked functions and procedures YES
T323 Explicit security for external routines YES
T331 Basic roles NO