D.2. Unsupported Features
The following features defined in SQL:2023 are not implemented in this release of PostgreSQL . In a few cases, equivalent functionality is available.
Identifier | Core? | Description | Comment |
---|---|---|---|
B011 | Embedded Ada | ||
B013 | Embedded COBOL | ||
B014 | Embedded Fortran | ||
B015 | Embedded MUMPS | ||
B016 | Embedded Pascal | ||
B017 | Embedded PL/I | ||
B030 | Enhanced dynamic SQL | ||
B031 | Basic dynamic SQL | ||
B032 | Extended dynamic SQL | ||
B033 | Untyped SQL-invoked function arguments | ||
B034 | Dynamic specification of cursor attributes | ||
B035 | Non-extended descriptor names | ||
B036 | Describe input statement | ||
B041 | Extensions to embedded SQL exception declarations | ||
B051 | Enhanced execution rights | ||
B111 | Module language Ada | ||
B112 | Module language C | ||
B113 | Module language COBOL | ||
B114 | Module language Fortran | ||
B115 | Module language MUMPS | ||
B116 | Module language Pascal | ||
B117 | Module language PL/I | ||
B121 | Routine language Ada | ||
B122 | Routine language C | ||
B123 | Routine language COBOL | ||
B124 | Routine language Fortran | ||
B125 | Routine language MUMPS | ||
B126 | Routine language Pascal | ||
B127 | Routine language PL/I | ||
B200 | Polymorphic table functions | ||
B201 | More than one PTF generic table parameter | ||
B202 | PTF copartitioning | ||
B203 | More than one copartition specification | ||
B204 | PRUNE WHEN EMPTY | ||
B205 | Pass-through columns | ||
B206 | PTF descriptor parameters | ||
B207 | Cross products of partitionings | ||
B208 | PTF component procedure interface | ||
B209 | PTF extended names | ||
B211 | Module language Ada: VARCHAR and NUMERIC support | ||
B221 | Routine language Ada: VARCHAR and NUMERIC support | ||
F054 | TIMESTAMP in DATE type precedence list | ||
F120 | Get diagnostics statement | ||
F121 | Basic diagnostics management | ||
F122 | Enhanced diagnostics management | ||
F123 | All diagnostics | ||
F124 | SET TRANSACTION statement: DIAGNOSTICS SIZE clause | ||
F263 | Comma-separated predicates in simple CASE expression | ||
F291 | UNIQUE predicate | ||
F301 | CORRESPONDING in query expressions | ||
F403 | Partitioned join tables | ||
F451 | Character set definition | ||
F461 | Named character sets | ||
F492 | Optional table constraint enforcement | ||
F521 | Assertions | ||
F671 | Subqueries in CHECK constraints | intentionally omitted | |
F673 | Reads SQL-data routine invocations in CHECK constraints | ||
F693 | SQL-session and client module collations | ||
F695 | Translation support | ||
F696 | Additional translation documentation | ||
F721 | Deferrable constraints | foreign and unique keys only | |
F741 | Referential MATCH types | no partial match yet | |
F812 | Basic flagging | ||
F813 | Extended flagging | ||
F821 | Local table references | ||
F831 | Full cursor update | ||
F832 | Updatable scrollable cursors | ||
F833 | Updatable ordered cursors | ||
F841 | LIKE_REGEX predicate | consider regexp_like() | |
F842 | OCCURRENCES_REGEX function | consider regexp_matches() | |
F843 | POSITION_REGEX function | consider regexp_instr() | |
F844 | SUBSTRING_REGEX function | consider regexp_substr() | |
F845 | TRANSLATE_REGEX function | consider regexp_replace() | |
F846 | Octet support in regular expression operators | ||
F847 | Non-constant regular expressions | ||
F866 | FETCH FIRST clause: PERCENT option | ||
R010 | Row pattern recognition: FROM clause | ||
R020 | Row pattern recognition: WINDOW clause | ||
R030 | Row pattern recognition: full aggregate support | ||
S011 | Core | Distinct data types | |
S011-01 | Core | USER_DEFINED_TYPES view | |
S023 | Basic structured types | ||
S024 | Enhanced structured types | ||
S025 | Final structured types | ||
S026 | Self-referencing structured types | ||
S027 | Create method by specific method name | ||
S028 | Permutable UDT options list | ||
S041 | Basic reference types | ||
S043 | Enhanced reference types | ||
S051 | Create table of type | partially supported | |
S081 | Subtables | ||
S091 | Basic array support | partially supported | |
S093 | Arrays of distinct types | ||
S094 | Arrays of reference types | ||
S097 | Array element assignment | ||
S151 | Type predicate | see pg_typeof() | |
S161 | Subtype treatment | ||
S162 | Subtype treatment for references | ||
S202 | SQL-invoked routines on multisets | ||
S231 | Structured type locators | ||
S232 | Array locators | ||
S233 | Multiset locators | ||
S241 | Transform functions | ||
S242 | Alter transform statement | ||
S251 | User-defined orderings | ||
S261 | Specific type method | ||
S271 | Basic multiset support | ||
S272 | Multisets of user-defined types | ||
S274 | Multisets of reference types | ||
S275 | Advanced multiset support | ||
S281 | Nested collection types | ||
S291 | Unique constraint on entire row | ||
S401 | Distinct types based on array types | ||
S402 | Distinct types based on multiset types | ||
S403 | ARRAY_MAX_CARDINALITY | ||
T011 | Timestamp in Information Schema | ||
T021 | BINARY and VARBINARY data types | ||
T022 | Advanced support for BINARY and VARBINARY data types | ||
T023 | Compound binary literals | ||
T024 | Spaces in binary literals | ||
T039 | CLOB locator: non-holdable | ||
T040 | Concatenation of CLOBs | ||
T041 | Basic LOB data type support | ||
T042 | Extended LOB data type support | ||
T043 | Multiplier T | ||
T044 | Multiplier P | ||
T045 | BLOB data type | ||
T046 | CLOB data type | ||
T047 | POSITION, OCTET_LENGTH, TRIM, and SUBSTRING for BLOBs | ||
T048 | Concatenation of BLOBs | ||
T049 | BLOB locator: non-holdable | ||
T050 | POSITION, CHAR_LENGTH, OCTET_LENGTH, LOWER, TRIM, UPPER, and SUBSTRING for CLOBs | ||
T051 | Row types | ||
T053 | Explicit aliases for all-fields reference | ||
T062 | Character length units | ||
T076 | DECFLOAT data type | ||
T101 | Enhanced nullability determination | ||
T111 | Updatable joins, unions, and columns | ||
T175 | Generated columns | mostly supported | |
T176 | Sequence generator support | supported except for NEXT VALUE FOR | |
T180 | System-versioned tables | ||
T181 | Application-time period tables | ||
T200 | Trigger DDL | similar but not fully compatible | |
T211 | Basic trigger capability | ||
T218 | Multiple triggers for the same event executed in the order created | intentionally omitted | |
T231 | Sensitive cursors | ||
T251 | SET TRANSACTION statement: LOCAL option | ||
T262 | Multiple server transactions | ||
T272 | Enhanced savepoint management | ||
T301 | Functional dependencies | partially supported | |
T321 | Core | Basic SQL-invoked routines | partially supported |
T322 | Declared data type attributes | ||
T324 | Explicit security for SQL routines | ||
T326 | Table functions | ||
T471 | Result sets return value | ||
T472 | DESCRIBE CURSOR | ||
T495 | Combined data change and retrieval | different syntax | |
T502 | Period predicates | ||
T511 | Transaction counts | ||
T522 | Default values for IN parameters of SQL-invoked procedures | supported except DEFAULT key word in invocation | |
T561 | Holdable locators | ||
T571 | Array-returning external SQL-invoked functions | ||
T572 | Multiset-returning external SQL-invoked functions | ||
T601 | Local cursor references | ||
T616 | Null treatment option for LEAD and LAG functions | ||
T618 | NTH_VALUE function | function exists, but some options missing | |
T619 | Nested window functions | ||
T625 | LISTAGG | ||
T641 | Multiple column assignment | only some syntax variants supported | |
T652 | SQL-dynamic statements in SQL routines | ||
T654 | SQL-dynamic statements in external routines | ||
T801 | JSON data type | ||
T802 | Enhanced JSON data type | ||
T821 | Basic SQL/JSON query operators | ||
T823 | SQL/JSON: PASSING clause | ||
T824 | JSON_TABLE: specific PLAN clause | ||
T825 | SQL/JSON: ON EMPTY and ON ERROR clauses | ||
T826 | General value expression in ON ERROR or ON EMPTY clauses | ||
T827 | JSON_TABLE: sibling NESTED COLUMNS clauses | ||
T828 | JSON_QUERY | ||
T829 | JSON_QUERY: array wrapper options | ||
T838 | JSON_TABLE: PLAN DEFAULT clause | ||
T839 | Formatted cast of datetimes to/from character strings | ||
T860 | SQL/JSON simplified accessor: column reference only | ||
T861 | SQL/JSON simplified accessor: case-sensitive JSON member accessor | ||
T862 | SQL/JSON simplified accessor: wildcard member accessor | ||
T863 | SQL/JSON simplified accessor: single-quoted string literal as member accessor | ||
T864 | SQL/JSON simplified accessor | ||
T865 | SQL/JSON item method: bigint() | ||
T866 | SQL/JSON item method: boolean() | ||
T867 | SQL/JSON item method: date() | ||
T868 | SQL/JSON item method: decimal() | ||
T869 | SQL/JSON item method: decimal() with precision and scale | ||
T870 | SQL/JSON item method: integer() | ||
T871 | SQL/JSON item method: number() | ||
T872 | SQL/JSON item method: string() | ||
T873 | SQL/JSON item method: time() | ||
T874 | SQL/JSON item method: time_tz() | ||
T875 | SQL/JSON item method: time precision | ||
T876 | SQL/JSON item method: timestamp() | ||
T877 | SQL/JSON item method: timestamp_tz() | ||
T878 | SQL/JSON item method: timestamp precision | ||
T881 | JSON in ordering operations | with jsonb, partially supported | |
T882 | JSON in multiset element grouping operations | ||
M001 | Datalinks | ||
M002 | Datalinks via SQL/CLI | ||
M003 | Datalinks via Embedded SQL | ||
M004 | Foreign data support | partially supported | |
M005 | Foreign schema support | ||
M006 | GetSQLString routine | ||
M007 | TransmitRequest | ||
M009 | GetOpts and GetStatistics routines | ||
M010 | Foreign-data wrapper support | different API | |
M011 | Datalinks via Ada | ||
M012 | Datalinks via C | ||
M013 | Datalinks via COBOL | ||
M014 | Datalinks via Fortran | ||
M015 | Datalinks via M | ||
M016 | Datalinks via Pascal | ||
M017 | Datalinks via PL/I | ||
M018 | Foreign-data wrapper interface routines in Ada | ||
M019 | Foreign-data wrapper interface routines in C | different API | |
M020 | Foreign-data wrapper interface routines in COBOL | ||
M021 | Foreign-data wrapper interface routines in Fortran | ||
M022 | Foreign-data wrapper interface routines in MUMPS | ||
M023 | Foreign-data wrapper interface routines in Pascal | ||
M024 | Foreign-data wrapper interface routines in PL/I | ||
M030 | SQL-server foreign data support | ||
M031 | Foreign-data wrapper general routines | ||
X012 | Multisets of XML type | ||
X013 | Distinct types of XML type | ||
X015 | Fields of XML type | ||
X025 | XMLCast | ||
X030 | XMLDocument | ||
X038 | XMLText | ||
X065 | XMLParse: binary string input and CONTENT option | ||
X066 | XMLParse: binary string input and DOCUMENT option | ||
X068 | XMLSerialize: BOM | ||
X073 | XMLSerialize: binary string serialization and CONTENT option | ||
X074 | XMLSerialize: binary string serialization and DOCUMENT option | ||
X075 | XMLSerialize: binary string serialization | ||
X076 | XMLSerialize: VERSION | ||
X077 | XMLSerialize: explicit ENCODING option | ||
X078 | XMLSerialize: explicit XML declaration | ||
X080 | Namespaces in XML publishing | ||
X081 | Query-level XML namespace declarations | ||
X082 | XML namespace declarations in DML | ||
X083 | XML namespace declarations in DDL | ||
X084 | XML namespace declarations in compound statements | ||
X085 | Predefined namespace prefixes | ||
X086 | XML namespace declarations in XMLTable | ||
X091 | XML content predicate | ||
X096 | XMLExists | XPath 1.0 only | |
X100 | Host language support for XML: CONTENT option | ||
X101 | Host language support for XML: DOCUMENT option | ||
X110 | Host language support for XML: VARCHAR mapping | ||
X111 | Host language support for XML: CLOB mapping | ||
X112 | Host language support for XML: BLOB mapping | ||
X113 | Host language support for XML: STRIP WHITESPACE option | ||
X114 | Host language support for XML: PRESERVE WHITESPACE option | ||
X131 | Query-level XMLBINARY clause | ||
X132 | XMLBINARY clause in DML | ||
X133 | XMLBINARY clause in DDL | ||
X134 | XMLBINARY clause in compound statements | ||
X135 | XMLBINARY clause in subqueries | ||
X141 | IS VALID predicate: data-driven case | ||
X142 | IS VALID predicate: ACCORDING TO clause | ||
X143 | IS VALID predicate: ELEMENT clause | ||
X144 | IS VALID predicate: schema location | ||
X145 | IS VALID predicate outside check constraints | ||
X151 | IS VALID predicate: with DOCUMENT option | ||
X152 | IS VALID predicate: with CONTENT option | ||
X153 | IS VALID predicate: with SEQUENCE option | ||
X155 | IS VALID predicate: NAMESPACE without ELEMENT clause | ||
X157 | IS VALID predicate: NO NAMESPACE with ELEMENT clause | ||
X160 | Basic Information Schema for registered XML schemas | ||
X161 | Advanced Information Schema for registered XML schemas | ||
X170 | XML null handling options | ||
X171 | NIL ON NO CONTENT option | ||
X181 | XML(DOCUMENT(UNTYPED)) type | ||
X182 | XML(DOCUMENT(ANY)) type | ||
X190 | XML(SEQUENCE) type | ||
X191 | XML(DOCUMENT(XMLSCHEMA)) type | ||
X192 | XML(CONTENT(XMLSCHEMA)) type | ||
X200 | XMLQuery | ||
X201 | XMLQuery: RETURNING CONTENT | ||
X202 | XMLQuery: RETURNING SEQUENCE | ||
X203 | XMLQuery: passing a context item | ||
X204 | XMLQuery: initializing an XQuery variable | ||
X205 | XMLQuery: EMPTY ON EMPTY option | ||
X206 | XMLQuery: NULL ON EMPTY option | ||
X211 | XML 1.1 support | ||
X222 | XML passing mechanism BY REF | parser accepts BY REF but ignores it; passing is always BY VALUE | |
X231 | XML(CONTENT(UNTYPED)) type | ||
X232 | XML(CONTENT(ANY)) type | ||
X241 | RETURNING CONTENT in XML publishing | ||
X242 | RETURNING SEQUENCE in XML publishing | ||
X251 | Persistent XML values of XML(DOCUMENT(UNTYPED)) type | ||
X252 | Persistent XML values of XML(DOCUMENT(ANY)) type | ||
X253 | Persistent XML values of XML(CONTENT(UNTYPED)) type | ||
X254 | Persistent XML values of XML(CONTENT(ANY)) type | ||
X255 | Persistent XML values of XML(SEQUENCE) type | ||
X256 | Persistent XML values of XML(DOCUMENT(XMLSCHEMA)) type | ||
X257 | Persistent XML values of XML(CONTENT(XMLSCHEMA)) type | ||
X260 | XML type: ELEMENT clause | ||
X261 | XML type: NAMESPACE without ELEMENT clause | ||
X263 | XML type: NO NAMESPACE with ELEMENT clause | ||
X264 | XML type: schema location | ||
X271 | XMLValidate: data-driven case | ||
X272 | XMLValidate: ACCORDING TO clause | ||
X273 | XMLValidate: ELEMENT clause | ||
X274 | XMLValidate: schema location | ||
X281 | XMLValidate with DOCUMENT option | ||
X282 | XMLValidate with CONTENT option | ||
X283 | XMLValidate with SEQUENCE option | ||
X284 | XMLValidate: NAMESPACE without ELEMENT clause | ||
X286 | XMLValidate: NO NAMESPACE with ELEMENT clause | ||
X300 | XMLTable | XPath 1.0 only | |
X305 | XMLTable: initializing an XQuery variable |