Allow full type names in CREATE FUNCTION arguments and return type.
Move CREATE FUNCTION/WITH clause to end of statement to get around shift/reduce conflicts with type names containing "WITH". Add lots of tokens as allowed ColId's and/or ColLabel's, so this should be a complete set for the v7.0 release.
This commit is contained in:
Thomas G. Lockhart
parent
2c8223f14b
commit
2dabd2cd1f
@ -11,7 +11,7 @@
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*
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*
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* IDENTIFICATION
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* $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.163 2000/03/24 23:34:19 tgl Exp $
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* $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.164 2000/03/27 17:12:06 thomas Exp $
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*
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* HISTORY
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* AUTHOR DATE MAJOR EVENT
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@ -180,8 +180,7 @@ static void doNegateFloat(Value *v);
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def_list, opt_indirection, group_clause, TriggerFuncArgs,
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opt_select_limit
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%type <node> func_return
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%type <boolean> set_opt
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%type <typnam> func_arg, func_return
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%type <boolean> TriggerForOpt, TriggerForType, OptTemp
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@ -250,7 +249,7 @@ static void doNegateFloat(Value *v);
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%type <typnam> Typename, opt_type, SimpleTypename,
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Generic, Numeric, Character, Datetime, Bit
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%type <str> generic, numeric, character, datetime, bit
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%type <str> generic, character, datetime, bit
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%type <str> extract_arg
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%type <str> opt_charset, opt_collate
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%type <str> opt_float
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@ -261,7 +260,6 @@ static void doNegateFloat(Value *v);
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%type <str> Sconst, comment_text
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%type <str> UserId, var_value, zone_value
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%type <str> ColId, ColLabel
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%type <str> TypeId
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%type <node> TableConstraint
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%type <list> ColQualList
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@ -311,7 +309,7 @@ static void doNegateFloat(Value *v);
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PARTIAL, POSITION, PRECISION, PRIMARY, PRIOR, PRIVILEGES, PROCEDURE, PUBLIC,
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READ, REFERENCES, RELATIVE, REVOKE, RIGHT, ROLLBACK,
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SCROLL, SECOND_P, SELECT, SESSION_USER, SET, SUBSTRING,
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TABLE, TEMP, TEMPORARY, THEN, TIME, TIMESTAMP, TIMEZONE_HOUR,
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TABLE, TEMPORARY, THEN, TIME, TIMESTAMP, TIMEZONE_HOUR,
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TIMEZONE_MINUTE, TO, TRAILING, TRANSACTION, TRIM, TRUE_P,
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UNION, UNIQUE, UPDATE, USER, USING,
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VALUES, VARCHAR, VARYING, VIEW,
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@ -346,7 +344,7 @@ static void doNegateFloat(Value *v);
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OFFSET, OIDS, OPERATOR, PASSWORD, PROCEDURAL,
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REINDEX, RENAME, RESET, RETURNS, ROW, RULE,
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SEQUENCE, SERIAL, SETOF, SHARE, SHOW, START, STATEMENT, STDIN, STDOUT, SYSID,
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TRUNCATE, TRUSTED,
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TEMP, TRUNCATE, TRUSTED,
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UNLISTEN, UNTIL, VACUUM, VALID, VERBOSE, VERSION
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/* Special keywords, not in the query language - see the "lex" file */
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@ -1491,8 +1489,8 @@ CreatePLangStmt: CREATE PLangTrusted PROCEDURAL LANGUAGE Sconst
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}
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;
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PLangTrusted: TRUSTED { $$ = TRUE; }
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| { $$ = FALSE; }
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PLangTrusted: TRUSTED { $$ = TRUE; }
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| /*EMPTY*/ { $$ = FALSE; }
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DropPLangStmt: DROP PROCEDURAL LANGUAGE Sconst
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{
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@ -2282,28 +2280,29 @@ RecipeStmt: EXECUTE RECIPE recipe_name
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*
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* QUERY:
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* define function <fname>
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* (language = <lang>, returntype = <typename>
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* [, arch_pct = <percentage | pre-defined>]
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* [(<type-1> { , <type-n>})]
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* returns <type-r>
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* as <filename or code in language as appropriate>
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* language <lang> [with
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* [ arch_pct = <percentage | pre-defined>]
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* [, disk_pct = <percentage | pre-defined>]
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* [, byte_pct = <percentage | pre-defined>]
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* [, perbyte_cpu = <int | pre-defined>]
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* [, percall_cpu = <int | pre-defined>]
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* [, iscachable])
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* [arg is (<type-1> { , <type-n>})]
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* as <filename or code in language as appropriate>
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* [, iscachable] ]
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*
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*****************************************************************************/
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ProcedureStmt: CREATE FUNCTION func_name func_args
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RETURNS func_return opt_with AS func_as LANGUAGE Sconst
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RETURNS func_return AS func_as LANGUAGE Sconst opt_with
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{
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ProcedureStmt *n = makeNode(ProcedureStmt);
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n->funcname = $3;
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n->defArgs = $4;
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n->returnType = $6;
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n->withClause = $7;
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n->as = $9;
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n->language = $11;
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n->returnType = (Node *)$6;
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n->withClause = $11;
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n->as = $8;
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n->language = $10;
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$$ = (Node *)n;
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};
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@ -2315,32 +2314,50 @@ func_args: '(' func_args_list ')' { $$ = $2; }
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| '(' ')' { $$ = NIL; }
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;
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func_args_list: TypeId
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{ $$ = lcons(makeString($1),NIL); }
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| func_args_list ',' TypeId
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{ $$ = lappend($1,makeString($3)); }
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func_args_list: func_arg
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{ $$ = lcons(makeString($1->name),NIL); }
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| func_args_list ',' func_arg
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{ $$ = lappend($1,makeString($3->name)); }
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;
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func_as: Sconst
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/* Would be nice to use the full Typename production for these fields,
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* but that one sometimes dives into the catalogs looking for valid types.
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* Arguments like "opaque" are valid when defining functions,
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* so that won't work here. The only thing we give up is array notation,
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* which isn't meaningful in this context anyway.
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* - thomas 2000-03-25
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*/
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func_arg: SimpleTypename
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{
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/* We can catch over-specified arguments here if we want to,
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* but for now better to silently swallow typmod, etc.
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* - thomas 2000-03-22
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*/
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$$ = $1;
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}
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;
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func_as: Sconst
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{ $$ = lcons(makeString($1),NIL); }
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| Sconst ',' Sconst
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{ $$ = lappend(lcons(makeString($1),NIL), makeString($3)); }
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;
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func_return: set_opt TypeId
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func_return: SimpleTypename
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{
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TypeName *n = makeNode(TypeName);
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n->name = $2;
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n->setof = $1;
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n->arrayBounds = NULL;
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n->typmod = -1;
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$$ = (Node *)n;
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/* We can catch over-specified arguments here if we want to,
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* but for now better to silently swallow typmod, etc.
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* - thomas 2000-03-22
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*/
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$$ = $1;
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}
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| SETOF SimpleTypename
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{
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$$ = $2;
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$$->setof = TRUE;
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}
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;
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set_opt: SETOF { $$ = TRUE; }
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| /*EMPTY*/ { $$ = FALSE; }
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;
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/*****************************************************************************
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*
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@ -3743,7 +3760,7 @@ Typename: SimpleTypename opt_array_bounds
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/* Is this the name of a complex type? If so, implement
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* it as a set.
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*/
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if (!strcmp(saved_relname, $$->name))
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if (strcmp(saved_relname, $$->name) == 0)
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/* This attr is the same type as the relation
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* being defined. The classic example: create
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* emp(name=text,mgr=emp)
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@ -3820,18 +3837,6 @@ Numeric: FLOAT opt_float
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}
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;
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numeric: FLOAT
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{ $$ = xlateSqlType("float8"); }
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| DOUBLE PRECISION
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{ $$ = xlateSqlType("float8"); }
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| DECIMAL
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{ $$ = xlateSqlType("decimal"); }
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| DEC
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{ $$ = xlateSqlType("decimal"); }
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| NUMERIC
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{ $$ = xlateSqlType("numeric"); }
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;
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opt_float: '(' Iconst ')'
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{
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if ($2 < 1)
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@ -5224,21 +5229,6 @@ Iconst: ICONST { $$ = $1; };
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Sconst: SCONST { $$ = $1; };
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UserId: IDENT { $$ = $1; };
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/* Column and type identifier
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* Does not include explicit datetime types
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* since these must be decoupled in Typename syntax.
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* Use ColId for most identifiers. - thomas 1997-10-21
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*/
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TypeId: ColId
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{ $$ = xlateSqlType($1); }
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| numeric
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{ $$ = xlateSqlType($1); }
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| bit
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{ $$ = xlateSqlType($1); }
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| character
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{ $$ = xlateSqlType($1); }
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;
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/* Column identifier
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* Include date/time keywords as SQL92 extension.
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* Include TYPE as a SQL92 unreserved keyword. - thomas 1997-10-05
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@ -5252,35 +5242,54 @@ ColId: IDENT { $$ = $1; }
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| ABSOLUTE { $$ = "absolute"; }
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| ACCESS { $$ = "access"; }
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| ACTION { $$ = "action"; }
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| ADD { $$ = "add"; }
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| AFTER { $$ = "after"; }
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| AGGREGATE { $$ = "aggregate"; }
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| ALTER { $$ = "alter"; }
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| BACKWARD { $$ = "backward"; }
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| BEFORE { $$ = "before"; }
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| BEGIN_TRANS { $$ = "begin"; }
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| BETWEEN { $$ = "between"; }
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| BY { $$ = "by"; }
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| CACHE { $$ = "cache"; }
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| CASCADE { $$ = "cascade"; }
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| CLOSE { $$ = "close"; }
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| COMMENT { $$ = "comment"; }
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| COMMIT { $$ = "commit"; }
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| COMMITTED { $$ = "committed"; }
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| CONSTRAINTS { $$ = "constraints"; }
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| CREATE { $$ = "create"; }
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| CREATEDB { $$ = "createdb"; }
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| CREATEUSER { $$ = "createuser"; }
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| CURSOR { $$ = "cursor"; }
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| CYCLE { $$ = "cycle"; }
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| DATABASE { $$ = "database"; }
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| DECLARE { $$ = "declare"; }
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| DEFERRED { $$ = "deferred"; }
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| DELETE { $$ = "delete"; }
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| DELIMITERS { $$ = "delimiters"; }
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| DOUBLE { $$ = "double"; }
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| DROP { $$ = "drop"; }
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| EACH { $$ = "each"; }
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| ENCODING { $$ = "encoding"; }
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| EXCLUSIVE { $$ = "exclusive"; }
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| EXECUTE { $$ = "execute"; }
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| FETCH { $$ = "fetch"; }
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| FORCE { $$ = "force"; }
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| FORWARD { $$ = "forward"; }
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| FUNCTION { $$ = "function"; }
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| GRANT { $$ = "grant"; }
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| HANDLER { $$ = "handler"; }
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| IMMEDIATE { $$ = "immediate"; }
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| IN { $$ = "in"; }
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| INCREMENT { $$ = "increment"; }
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| INDEX { $$ = "index"; }
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| INHERITS { $$ = "inherits"; }
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| INSENSITIVE { $$ = "insensitive"; }
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| INSERT { $$ = "insert"; }
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| INSTEAD { $$ = "instead"; }
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| INTERVAL { $$ = "interval"; }
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| IS { $$ = "is"; }
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| ISNULL { $$ = "isnull"; }
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| ISOLATION { $$ = "isolation"; }
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| KEY { $$ = "key"; }
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@ -5292,10 +5301,14 @@ ColId: IDENT { $$ = $1; }
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| MAXVALUE { $$ = "maxvalue"; }
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| MINVALUE { $$ = "minvalue"; }
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| MODE { $$ = "mode"; }
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| NAMES { $$ = "names"; }
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| NATIONAL { $$ = "national"; }
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| NEXT { $$ = "next"; }
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| NO { $$ = "no"; }
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| NOCREATEDB { $$ = "nocreatedb"; }
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| NOCREATEUSER { $$ = "nocreateuser"; }
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| NOTHING { $$ = "nothing"; }
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| NOTIFY { $$ = "notify"; }
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| NOTNULL { $$ = "notnull"; }
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| OF { $$ = "of"; }
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| OIDS { $$ = "oids"; }
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@ -5303,22 +5316,27 @@ ColId: IDENT { $$ = $1; }
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| OPERATOR { $$ = "operator"; }
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| OPTION { $$ = "option"; }
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| OVERLAPS { $$ = "overlaps"; }
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| PARTIAL { $$ = "partial"; }
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| PASSWORD { $$ = "password"; }
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| PENDANT { $$ = "pendant"; }
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| PRIOR { $$ = "prior"; }
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| PRIVILEGES { $$ = "privileges"; }
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| PROCEDURAL { $$ = "procedural"; }
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| READ { $$ = "read"; }
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| REINDEX { $$ = "reindex"; }
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| RELATIVE { $$ = "relative"; }
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| RENAME { $$ = "rename"; }
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| RESTRICT { $$ = "restrict"; }
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| RETURNS { $$ = "returns"; }
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| REVOKE { $$ = "revoke"; }
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| ROLLBACK { $$ = "rollback"; }
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| ROW { $$ = "row"; }
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| RULE { $$ = "rule"; }
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| SCROLL { $$ = "scroll"; }
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| SEQUENCE { $$ = "sequence"; }
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| SERIAL { $$ = "serial"; }
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| SERIALIZABLE { $$ = "serializable"; }
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| SET { $$ = "set"; }
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| SHARE { $$ = "share"; }
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| START { $$ = "start"; }
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| STATEMENT { $$ = "statement"; }
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@ -5335,8 +5353,16 @@ ColId: IDENT { $$ = $1; }
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| TRUNCATE { $$ = "truncate"; }
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| TRUSTED { $$ = "trusted"; }
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| TYPE_P { $$ = "type"; }
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| UNLISTEN { $$ = "unlisten"; }
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| UNTIL { $$ = "until"; }
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| UPDATE { $$ = "update"; }
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| VALID { $$ = "valid"; }
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| VALUES { $$ = "values"; }
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| VARYING { $$ = "varying"; }
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| VERSION { $$ = "version"; }
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| VIEW { $$ = "view"; }
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| WITH { $$ = "with"; }
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| WORK { $$ = "work"; }
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| ZONE { $$ = "zone"; }
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;
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@ -5352,55 +5378,107 @@ ColId: IDENT { $$ = $1; }
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*/
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ColLabel: ColId { $$ = $1; }
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| ABORT_TRANS { $$ = "abort"; }
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| ALL { $$ = "all"; }
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| ANALYZE { $$ = "analyze"; }
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| ANY { $$ = "any"; }
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| ASC { $$ = "asc"; }
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| BINARY { $$ = "binary"; }
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| BIT { $$ = "bit"; }
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| BOTH { $$ = "both"; }
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| CASE { $$ = "case"; }
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| CAST { $$ = "cast"; }
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| CHAR { $$ = "char"; }
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| CHARACTER { $$ = "character"; }
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| CHECK { $$ = "check"; }
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| CLUSTER { $$ = "cluster"; }
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| COALESCE { $$ = "coalesce"; }
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| COLLATE { $$ = "collate"; }
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| COLUMN { $$ = "column"; }
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| CONSTRAINT { $$ = "constraint"; }
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| COPY { $$ = "copy"; }
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| CROSS { $$ = "cross"; }
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| CURRENT { $$ = "current"; }
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| CURRENT_DATE { $$ = "current_date"; }
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| CURRENT_TIME { $$ = "current_time"; }
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| CURRENT_TIMESTAMP { $$ = "current_timestamp"; }
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| CURRENT_USER { $$ = "current_user"; }
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| DEC { $$ = "dec"; }
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| DECIMAL { $$ = "decimal"; }
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| DEFAULT { $$ = "default"; }
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| DEFERRABLE { $$ = "deferrable"; }
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| DESC { $$ = "desc"; }
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| DISTINCT { $$ = "distinct"; }
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| DO { $$ = "do"; }
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| ELSE { $$ = "else"; }
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| END_TRANS { $$ = "end"; }
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| EXCEPT { $$ = "except"; }
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| EXISTS { $$ = "exists"; }
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| EXPLAIN { $$ = "explain"; }
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| EXTEND { $$ = "extend"; }
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| EXTRACT { $$ = "extract"; }
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| FALSE_P { $$ = "false"; }
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| FLOAT { $$ = "float"; }
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| FOR { $$ = "for"; }
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| FOREIGN { $$ = "foreign"; }
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| FROM { $$ = "from"; }
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| FULL { $$ = "full"; }
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| GLOBAL { $$ = "global"; }
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| GROUP { $$ = "group"; }
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| HAVING { $$ = "having"; }
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| INITIALLY { $$ = "initially"; }
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| INNER_P { $$ = "inner"; }
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| INTERSECT { $$ = "intersect"; }
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| INTO { $$ = "into"; }
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| JOIN { $$ = "join"; }
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| LEADING { $$ = "leading"; }
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| LEFT { $$ = "left"; }
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| LIKE { $$ = "like"; }
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| LISTEN { $$ = "listen"; }
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| LOAD { $$ = "load"; }
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| LOCAL { $$ = "local"; }
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| LOCK_P { $$ = "lock"; }
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| MOVE { $$ = "move"; }
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| NATURAL { $$ = "natural"; }
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| NCHAR { $$ = "nchar"; }
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| NEW { $$ = "new"; }
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| NONE { $$ = "none"; }
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| NOT { $$ = "not"; }
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| NULLIF { $$ = "nullif"; }
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| NULL_P { $$ = "null_p"; }
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| NUMERIC { $$ = "numeric"; }
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| OFFSET { $$ = "offset"; }
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| ON { $$ = "on"; }
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| OR { $$ = "or"; }
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| ORDER { $$ = "order"; }
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| OUTER_P { $$ = "outer"; }
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| POSITION { $$ = "position"; }
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| PRECISION { $$ = "precision"; }
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| PRIMARY { $$ = "primary"; }
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| PROCEDURE { $$ = "procedure"; }
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| PUBLIC { $$ = "public"; }
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| REFERENCES { $$ = "references"; }
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| RESET { $$ = "reset"; }
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| RIGHT { $$ = "right"; }
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| SELECT { $$ = "select"; }
|
||||
| SESSION_USER { $$ = "session_user"; }
|
||||
| SETOF { $$ = "setof"; }
|
||||
| SHOW { $$ = "show"; }
|
||||
| SUBSTRING { $$ = "substring"; }
|
||||
| TABLE { $$ = "table"; }
|
||||
| THEN { $$ = "then"; }
|
||||
| TO { $$ = "to"; }
|
||||
| TRANSACTION { $$ = "transaction"; }
|
||||
| TRIM { $$ = "trim"; }
|
||||
| TRUE_P { $$ = "true"; }
|
||||
| UNION { $$ = "union"; }
|
||||
| UNIQUE { $$ = "unique"; }
|
||||
| USER { $$ = "user"; }
|
||||
| USING { $$ = "using"; }
|
||||
| VACUUM { $$ = "vacuum"; }
|
||||
| VARCHAR { $$ = "varchar"; }
|
||||
| VERBOSE { $$ = "verbose"; }
|
||||
| WHEN { $$ = "when"; }
|
||||
| WHERE { $$ = "where"; }
|
||||
;
|
||||
|
||||
SpecialRuleRelation: CURRENT
|
||||
@ -5539,16 +5617,16 @@ mapTargetColumns(List *src, List *dst)
|
||||
*
|
||||
* Converting "datetime" to "timestamp" and "timespan" to "interval"
|
||||
* is a temporary expedient for pre-7.0 to 7.0 compatibility;
|
||||
* these should go away someday.
|
||||
* these should go away for v7.1.
|
||||
*/
|
||||
static char *
|
||||
xlateSqlFunc(char *name)
|
||||
{
|
||||
if (!strcmp(name,"character_length"))
|
||||
if (strcmp(name,"character_length") == 0)
|
||||
return "char_length";
|
||||
else if (!strcmp(name,"datetime"))
|
||||
else if (strcmp(name,"datetime") == 0)
|
||||
return "timestamp";
|
||||
else if (!strcmp(name,"timespan"))
|
||||
else if (strcmp(name,"timespan") == 0)
|
||||
return "interval";
|
||||
else
|
||||
return name;
|
||||
@ -5560,25 +5638,28 @@ xlateSqlFunc(char *name)
|
||||
* NB: do NOT put "char" -> "bpchar" here, because that renders it impossible
|
||||
* to refer to our single-byte char type, even with quotes. (Without quotes,
|
||||
* CHAR is a keyword, and the code above produces "bpchar" for it.)
|
||||
*
|
||||
* Convert "datetime" and "timespan" to allow a transition to SQL92 type names.
|
||||
* Remove this translation for v7.1 - thomas 2000-03-25
|
||||
*/
|
||||
static char *
|
||||
xlateSqlType(char *name)
|
||||
{
|
||||
if (!strcmp(name,"int")
|
||||
|| !strcmp(name,"integer"))
|
||||
if ((strcmp(name,"int") == 0)
|
||||
|| (strcmp(name,"integer") == 0))
|
||||
return "int4";
|
||||
else if (!strcmp(name, "smallint"))
|
||||
else if (strcmp(name, "smallint") == 0)
|
||||
return "int2";
|
||||
else if (!strcmp(name, "real")
|
||||
|| !strcmp(name, "float"))
|
||||
else if ((strcmp(name, "real") == 0)
|
||||
|| (strcmp(name, "float") == 0))
|
||||
return "float8";
|
||||
else if (!strcmp(name, "decimal"))
|
||||
else if (strcmp(name, "decimal") == 0)
|
||||
return "numeric";
|
||||
else if (!strcmp(name, "datetime"))
|
||||
else if (strcmp(name, "datetime") == 0)
|
||||
return "timestamp";
|
||||
else if (!strcmp(name, "timespan"))
|
||||
else if (strcmp(name, "timespan") == 0)
|
||||
return "interval";
|
||||
else if (!strcmp(name, "boolean"))
|
||||
else if (strcmp(name, "boolean") == 0)
|
||||
return "bool";
|
||||
else
|
||||
return name;
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user