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Update SQL features/conformance information to SQL:2016
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@ -14,10 +14,10 @@
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<para>
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The formal name of the SQL standard is ISO/IEC 9075 <quote>Database
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Language SQL</quote>. A revised version of the standard is released
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from time to time; the most recent update appearing in 2011.
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The 2011 version is referred to as ISO/IEC 9075:2011, or simply as SQL:2011.
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The versions prior to that were SQL:2008, SQL:2006, SQL:2003, SQL:1999,
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and SQL-92. Each version
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from time to time; the most recent update appearing in 2016.
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The 2016 version is referred to as ISO/IEC 9075:2016, or simply as SQL:2016.
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The versions prior to that were SQL:2011, SQL:2008, SQL:2006, SQL:2003,
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SQL:1999, and SQL-92. Each version
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replaces the previous one, so claims of conformance to earlier
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versions have no official merit.
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<productname>PostgreSQL</productname> development aims for
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@ -79,18 +79,18 @@
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</para>
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<para>
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PostgreSQL supports most of the major features of SQL:2011. Out of
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PostgreSQL supports most of the major features of SQL:2016. Out of
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179 mandatory features required for full Core conformance,
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PostgreSQL conforms to at least 160. In addition, there is a long
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list of supported optional features. It might be worth noting that at
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the time of writing, no current version of any database management
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system claims full conformance to Core SQL:2011.
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system claims full conformance to Core SQL:2016.
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</para>
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<para>
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In the following two sections, we provide a list of those features
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that <productname>PostgreSQL</productname> supports, followed by a
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list of the features defined in <acronym>SQL:2011</acronym> which
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list of the features defined in <acronym>SQL:2016</acronym> which
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are not yet supported in <productname>PostgreSQL</productname>.
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Both of these lists are approximate: There might be minor details that
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are nonconforming for a feature that is listed as supported, and
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@ -133,7 +133,7 @@
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<title>Unsupported Features</title>
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<para>
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The following features defined in <acronym>SQL:2011</acronym> are not
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The following features defined in <acronym>SQL:2016</acronym> are not
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implemented in this release of
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<productname>PostgreSQL</productname>. In a few cases, equivalent
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functionality is available.
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@ -1723,7 +1723,7 @@ INSERT INTO sql_parts VALUES ('9', 'Management of External Data (SQL/MED)', 'NO'
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INSERT INTO sql_parts VALUES ('10', 'Object Language Bindings (SQL/OLB)', 'NO', NULL, '');
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INSERT INTO sql_parts VALUES ('11', 'Information and Definition Schema (SQL/Schemata)', 'NO', NULL, '');
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INSERT INTO sql_parts VALUES ('13', 'Routines and Types Using the Java Programming Language (SQL/JRT)', 'NO', NULL, '');
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INSERT INTO sql_parts VALUES ('14', 'XML-Related Specifications (SQL/XML)', 'YES', NULL, '');
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INSERT INTO sql_parts VALUES ('14', 'XML-Related Specifications (SQL/XML)', 'NO', NULL, '');
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/*
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@ -29,6 +29,16 @@ B125 Routine language MUMPS NO
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B126 Routine language Pascal NO
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B127 Routine language PL/I NO
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B128 Routine language SQL NO
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B200 Polymorphic table functions NO
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B201 More than one PTF generic table parameter NO
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B202 PTF Copartitioning NO
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B203 More than one copartition specification NO
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B204 PRUNE WHEN EMPTY NO
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B205 Pass-through columns NO
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B206 PTF descriptor parameters NO
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B207 Cross products of partitionings NO
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B208 PTF component procedure interface NO
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B209 PTF extended names NO
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B211 Module language Ada: VARCHAR and NUMERIC support NO
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B221 Routine language Ada: VARCHAR and NUMERIC support NO
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E011 Numeric data types YES
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@ -254,6 +264,7 @@ F401 Extended joined table 02 FULL OUTER JOIN YES
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F401 Extended joined table 04 CROSS JOIN YES
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F402 Named column joins for LOBs, arrays, and multisets YES
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F403 Partitioned joined tables NO
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F404 Range variable for common column names NO
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F411 Time zone specification YES differences regarding literal interpretation
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F421 National character YES
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F431 Read-only scrollable cursors YES
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@ -291,6 +302,7 @@ F651 Catalog name qualifiers YES
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F661 Simple tables YES
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F671 Subqueries in CHECK NO intentionally omitted
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F672 Retrospective check constraints YES
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F673 Reads SQL-data routine invocations in CHECK constraints NO
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F690 Collation support YES but no character set support
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F692 Extended collation support YES
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F693 SQL-session and client module collations NO
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@ -338,6 +350,9 @@ F864 Top-level <result offset clause> in views YES
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F865 <offset row count> in <result offset clause> YES
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F866 FETCH FIRST clause: PERCENT option NO
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F867 FETCH FIRST clause: WITH TIES option NO
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R010 Row pattern recognition: FROM clause NO
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R020 Row pattern recognition: WINDOW clause NO
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R030 Row pattern recognition: full aggregate support NO
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S011 Distinct data types NO
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S011 Distinct data types 01 USER_DEFINED_TYPES view NO
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S023 Basic structured types NO
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@ -404,10 +419,10 @@ T042 Extended LOB data type support NO
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T043 Multiplier T NO
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T044 Multiplier P NO
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T051 Row types NO
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T052 MAX and MIN for row types NO
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T053 Explicit aliases for all-fields reference NO
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T061 UCS support NO
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T071 BIGINT data type YES
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T076 DECFLOAT data type NO
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T101 Enhanced nullability determination NO
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T111 Updatable joins, unions, and columns NO
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T121 WITH (excluding RECURSIVE) in query expression YES
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@ -482,6 +497,9 @@ T502 Period predicates NO
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T511 Transaction counts NO
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T521 Named arguments in CALL statement YES
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T522 Default values for IN parameters of SQL-invoked procedures NO supported except DEFAULT key word in invocation
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T523 Default values for INOUT parameters of SQL-invoked procedures YES
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T524 Named arguments in routine invocations other than a CALL statement YES
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T525 Default values for parameters of SQL-invoked functions YES
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T551 Optional key words for default syntax YES
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T561 Holdable locators NO
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T571 Array-returning external SQL-invoked functions NO
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@ -500,6 +518,10 @@ T618 NTH_VALUE function NO function exists, but some options missing
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T619 Nested window functions NO
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T620 WINDOW clause: GROUPS option YES
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T621 Enhanced numeric functions YES
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T622 Trigonometric functions YES
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T623 General logarithm functions YES
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T624 Common logarithm functions YES
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T625 LISTAGG NO
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T631 IN predicate with one list element YES
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T641 Multiple column assignment NO only some syntax variants supported
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T651 SQL-schema statements in SQL routines YES
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@ -507,6 +529,29 @@ T652 SQL-dynamic statements in SQL routines NO
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T653 SQL-schema statements in external routines NO
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T654 SQL-dynamic statements in external routines NO
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T655 Cyclically dependent routines YES
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T811 Basic SQL/JSON constructor functions NO
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T812 SQL/JSON: JSON_OBJECTAGG NO
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T813 SQL/JSON: JSON_ARRAYAGG with ORDER BY NO
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T814 Colon in JSON_OBJECT or JSON_OBJECTAGG NO
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T821 Basic SQL/JSON query operators NO
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T822 SQL/JSON: IS JSON WITH UNIQUE KEYS predicate NO
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T823 SQL/JSON: PASSING clause NO
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T824 JSON_TABLE: specific PLAN clause NO
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T825 SQL/JSON: ON EMPTY and ON ERROR clauses NO
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T826 General value expression in ON ERROR or ON EMPTY clauses NO
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T827 JSON_TABLE: sibling NESTED COLUMNS clauses NO
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T828 JSON_QUERY NO
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T829 JSON_QUERY: array wrapper options NO
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T830 Enforcing unique keys in SQL/JSON constructor functions NO
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T831 SQL/JSON path language: strict mode NO
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T832 SQL/JSON path language: item method NO
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T833 SQL/JSON path language: multiple subscripts NO
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T834 SQL/JSON path language: wildcard member accessor NO
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T835 SQL/JSON path language: filter expressions NO
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T836 SQL/JSON path language: starts with predicate NO
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T837 SQL/JSON path language: regex_like predicate NO
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T838 JSON_TABLE: PLAN DEFAULT clause NO
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T839 Formatted cast of datetimes to/from character strings NO
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M001 Datalinks NO
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M002 Datalinks via SQL/CLI NO
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M003 Datalinks via Embedded SQL NO
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@ -53,6 +53,6 @@
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*/
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/* yyyymmddN */
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#define CATALOG_VERSION_NO 201904281
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#define CATALOG_VERSION_NO 201905141
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#endif
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