doc: Update SQL keywords list to SQL:2023

Per previous convention (see
ace397e), drop SQL:2011 and only keep
the latest two standards and SQL-92.

Discussion: https://www.postgresql.org/message-id/flat/63f285d9-4ec8-0c9e-4bf5-e76334ddc0af@enterprisedb.com

Author: petere

doc/src/sgml/generate-keywords-table.pl

@@ -7,7 +7,7 @@
 use strict;
 use warnings;
 
-my @sql_versions = reverse sort ('1992', '2011', '2016');
+my @sql_versions = reverse sort ('1992', '2016', '2023');
 
 my $srcdir = $ARGV[0];
 

doc/src/sgml/keywords/sql2011-02-nonreserved.txt renamed to doc/src/sgml/keywords/sql2023-02-nonreserved.txt

@@ -19,6 +19,7 @@ CASCADE
 CATALOG
 CATALOG_NAME
 CHAIN
+CHAINING
 CHARACTER_SET_CATALOG
 CHARACTER_SET_NAME
 CHARACTER_SET_SCHEMA
@@ -30,10 +31,12 @@ COLLATION
 COLLATION_CATALOG
 COLLATION_NAME
 COLLATION_SCHEMA
+COLUMNS
 COLUMN_NAME
 COMMAND_FUNCTION
 COMMAND_FUNCTION_CODE
 COMMITTED
+CONDITIONAL
 CONDITION_NUMBER
 CONNECTION
 CONNECTION_NAME
@@ -43,6 +46,7 @@ CONSTRAINT_SCHEMA
 CONSTRAINTS
 CONSTRUCTOR
 CONTINUE
+COPARTITION
 CURSOR_NAME
 DATA
 DATETIME_INTERVAL_CODE
@@ -62,16 +66,21 @@ DISPATCH
 DOMAIN
 DYNAMIC_FUNCTION
 DYNAMIC_FUNCTION_CODE
+ENCODING
 ENFORCED
+ERROR
 EXCLUDE
 EXCLUDING
 EXPRESSION
 FINAL
+FINISH
 FIRST
 FLAG
 FOLLOWING
+FORMAT
 FORTRAN
 FOUND
+FULFILL
 G
 GENERAL
 GENERATED
@@ -93,7 +102,9 @@ INSTEAD
 INVOKER
 ISOLATION
 K
+KEEP
 KEY
+KEYS
 KEY_MEMBER
 KEY_TYPE
 LAST
@@ -104,6 +115,7 @@ M
 MAP
 MATCHED
 MAXVALUE
+MEASURES
 MESSAGE_LENGTH
 MESSAGE_OCTET_LENGTH
 MESSAGE_TEXT
@@ -112,24 +124,28 @@ MORE
 MUMPS
 NAME
 NAMES
+NESTED
 NESTING
 NEXT
 NFC
 NFD
 NFKC
 NFKD
 NORMALIZED
+NULL_ORDERING
 NULLABLE
 NULLS
 NUMBER
 OBJECT
+OCCURRENCE
 OCTETS
 OPTION
 OPTIONS
 ORDERING
 ORDINALITY
 OTHERS
 OUTPUT
+OVERFLOW
 OVERRIDING
 P
 PAD
@@ -141,14 +157,24 @@ PARAMETER_SPECIFIC_NAME
 PARAMETER_SPECIFIC_SCHEMA
 PARTIAL
 PASCAL
+PASS
+PASSING
+PAST
 PATH
+PERMUTE
+PIPE
 PLACING
+PLAN
 PLI
 PRECEDING
 PRESERVE
+PREV
 PRIOR
+PRIVATE
 PRIVILEGES
+PRUNE
 PUBLIC
+QUOTES
 READ
 RELATIVE
 REPEATABLE
@@ -159,12 +185,14 @@ RETURNED_CARDINALITY
 RETURNED_LENGTH
 RETURNED_OCTET_LENGTH
 RETURNED_SQLSTATE
+RETURNING
 ROLE
 ROUTINE
 ROUTINE_CATALOG
 ROUTINE_NAME
 ROUTINE_SCHEMA
 ROW_COUNT
+SCALAR
 SCALE
 SCHEMA
 SCHEMA_NAME
@@ -174,24 +202,28 @@ SCOPE_SCHEMA
 SECTION
 SECURITY
 SELF
+SEMANTICS
 SEQUENCE
 SERIALIZABLE
 SERVER_NAME
 SESSION
 SETS
 SIMPLE
 SIZE
+SORT_DIRECTION
 SOURCE
 SPACE
 SPECIFIC_NAME
 STATE
 STATEMENT
+STRING
 STRUCTURE
 STYLE
 SUBCLASS_ORIGIN
 T
 TABLE_NAME
 TEMPORARY
+THROUGH
 TIES
 TOP_LEVEL_COUNT
 TRANSACTION
@@ -206,14 +238,20 @@ TRIGGER_SCHEMA
 TYPE
 UNBOUNDED
 UNCOMMITTED
+UNCONDITIONAL
 UNDER
+UNMATCHED
 UNNAMED
 USAGE
 USER_DEFINED_TYPE_CATALOG
 USER_DEFINED_TYPE_CODE
 USER_DEFINED_TYPE_NAME
 USER_DEFINED_TYPE_SCHEMA
+UTF16
+UTF32
+UTF8
 VIEW
 WORK
+WRAPPER
 WRITE
 ZONE