Update keyword lists per suggestions by Peter. There are now four
mutually exclusive keyword lists spanning all known keywords --- including AS. Moved COALESCE and a few other ColLabels into the can-be-ColId list.
This commit is contained in:
Tom Lane
parent
7e422ac0e7
commit
2a4660f5aa
@ -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 2.274 2001/11/12 21:04:45 tgl Exp $
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* $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.275 2001/11/16 04:08:33 tgl Exp $
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*
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* HISTORY
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* AUTHOR DATE MAJOR EVENT
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@ -268,7 +268,8 @@ static void doNegateFloat(Value *v);
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%type <ival> Iconst
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%type <str> Sconst, comment_text
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%type <str> UserId, opt_boolean, var_value, ColId_or_Sconst
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%type <str> ColId, TypeFuncId, ColLabel
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%type <str> ColId, ColLabel, type_name, func_name_keyword
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%type <str> col_name_keyword, unreserved_keyword, reserved_keyword
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%type <node> zone_value
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%type <node> TableConstraint
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@ -296,8 +297,8 @@ static void doNegateFloat(Value *v);
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* This gets annoying when trying to also retain Postgres' nice
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* type-extensible features, but we don't really have a choice.
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* - thomas 1997-10-11
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* NOTE: Whenever possible, try to add new keywords to the ColId list,
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* or failing that, at least to the ColLabel list.
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* NOTE: don't forget to add new keywords to the appropriate one of
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* the reserved-or-not-so-reserved keyword lists, below.
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*/
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/* Keywords (in SQL92 reserved words) */
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@ -2631,13 +2632,13 @@ func_return: func_type
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/*
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* We would like to make the second production here be ColId '.' ColId etc,
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* but that causes reduce/reduce conflicts. TypeFuncId is next best choice.
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* but that causes reduce/reduce conflicts. type_name is next best choice.
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*/
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func_type: Typename
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{
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$$ = $1;
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}
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| TypeFuncId '.' ColId '%' TYPE_P
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| type_name '.' ColId '%' TYPE_P
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{
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$$ = makeNode(TypeName);
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$$->name = $1;
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@ -4073,7 +4074,7 @@ ConstTypename: GenericType
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| ConstDatetime
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;
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GenericType: TypeFuncId
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GenericType: type_name
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{
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$$ = makeNode(TypeName);
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$$->name = xlateSqlType($1);
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@ -5659,21 +5660,60 @@ Sconst: SCONST { $$ = $1; };
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UserId: ColId { $$ = $1; };
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/*
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* Keyword classification lists. Generally, every keyword present in
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* the Postgres grammar should be in one of these lists. (Presently,
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* "AS" is the sole exception: it is our only completely-reserved word.)
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* Name classification hierarchy.
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*
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* Put a new keyword into the earliest list (of TypeFuncId, ColId, ColLabel)
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* that it can go into without creating shift or reduce conflicts. The
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* earlier lists define "less reserved" categories of keywords. Notice that
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* each list includes by reference the ones before it.
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* IDENT is the lexeme returned by the lexer for identifiers that match
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* no known keyword. In most cases, we can accept certain keywords as
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* names, not only IDENTs. We prefer to accept as many such keywords
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* as possible to minimize the impact of "reserved words" on programmers.
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* So, we divide names into several possible classes. The classification
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* is chosen in part to make keywords acceptable as names wherever possible.
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*/
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/* Type/func identifier --- names that can be type and function names
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* (as well as ColIds --- ie, these are completely unreserved keywords).
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/* Column identifier --- names that can be column, table, etc names.
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*/
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TypeFuncId: IDENT { $$ = $1; }
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| ABORT_TRANS { $$ = "abort"; }
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ColId: IDENT { $$ = $1; }
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| unreserved_keyword { $$ = $1; }
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| col_name_keyword { $$ = $1; }
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;
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/* Type identifier --- names that can be type names.
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*/
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type_name: IDENT { $$ = $1; }
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| unreserved_keyword { $$ = $1; }
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;
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/* Function identifier --- names that can be function names.
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*/
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func_name: IDENT { $$ = xlateSqlFunc($1); }
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| unreserved_keyword { $$ = xlateSqlFunc($1); }
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| func_name_keyword { $$ = xlateSqlFunc($1); }
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;
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/* Column label --- allowed labels in "AS" clauses.
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* This presently includes *all* Postgres keywords.
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*/
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ColLabel: IDENT { $$ = $1; }
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| unreserved_keyword { $$ = $1; }
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| col_name_keyword { $$ = $1; }
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| func_name_keyword { $$ = $1; }
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| reserved_keyword { $$ = $1; }
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;
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/*
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* Keyword classification lists. Generally, every keyword present in
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* the Postgres grammar should appear in exactly one of these lists.
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*
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* Put a new keyword into the first list that it can go into without causing
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* shift or reduce conflicts. The earlier lists define "less reserved"
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* categories of keywords.
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*/
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/* "Unreserved" keywords --- available for use as any kind of name.
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*/
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unreserved_keyword:
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ABORT_TRANS { $$ = "abort"; }
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| ABSOLUTE { $$ = "absolute"; }
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| ACCESS { $$ = "access"; }
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| ACTION { $$ = "action"; }
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@ -5829,58 +5869,94 @@ TypeFuncId: IDENT { $$ = $1; }
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| ZONE { $$ = "zone"; }
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;
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/* Column identifier --- names that can be column, table, etc names.
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/* Column identifier --- keywords that can be column, table, etc names.
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*
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* This contains the TypeFuncId list plus those keywords that conflict
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* only with typename productions, not with other uses. Note that
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* most of these keywords will in fact be recognized as type names too;
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* they just have to have special productions for the purpose.
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* Many of these keywords will in fact be recognized as type or function
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* names too; but they have special productions for the purpose, and so
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* can't be treated as "generic" type or function names.
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*
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* Most of these cannot be in TypeFuncId (ie, are not also usable as function
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* names) because they can be followed by '(' in typename productions, which
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* looks too much like a function call for a LALR(1) parser.
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* The type names appearing here are not usable as function names
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* because they can be followed by '(' in typename productions, which
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* looks too much like a function call for an LR(1) parser.
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*/
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ColId: TypeFuncId { $$ = $1; }
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| BIT { $$ = "bit"; }
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col_name_keyword:
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BIT { $$ = "bit"; }
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| CHAR { $$ = "char"; }
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| CHARACTER { $$ = "character"; }
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| COALESCE { $$ = "coalesce"; }
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| DEC { $$ = "dec"; }
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| DECIMAL { $$ = "decimal"; }
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| EXISTS { $$ = "exists"; }
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| EXTRACT { $$ = "extract"; }
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| FLOAT { $$ = "float"; }
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| INTERVAL { $$ = "interval"; }
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| NCHAR { $$ = "nchar"; }
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| NONE { $$ = "none"; }
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| NULLIF { $$ = "nullif"; }
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| NUMERIC { $$ = "numeric"; }
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| POSITION { $$ = "position"; }
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| SETOF { $$ = "setof"; }
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| SUBSTRING { $$ = "substring"; }
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| TIME { $$ = "time"; }
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| TIMESTAMP { $$ = "timestamp"; }
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| TRIM { $$ = "trim"; }
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| VARCHAR { $$ = "varchar"; }
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;
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/* Column label --- allowed labels in "AS" clauses.
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/* Function identifier --- keywords that can be function names.
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*
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* Most of these are keywords that are used as operators in expressions;
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* in general such keywords can't be column names because they would be
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* ambiguous with variables, but they are unambiguous as function identifiers.
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*
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* Do not include POSITION, SUBSTRING, etc here since they have explicit
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* productions in a_expr to support the goofy SQL9x argument syntax.
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* - thomas 2000-11-28
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*/
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func_name_keyword:
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BETWEEN { $$ = "between"; }
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| BINARY { $$ = "binary"; }
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| CROSS { $$ = "cross"; }
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| FREEZE { $$ = "freeze"; }
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| FULL { $$ = "full"; }
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| ILIKE { $$ = "ilike"; }
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| IN { $$ = "in"; }
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| INNER_P { $$ = "inner"; }
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| IS { $$ = "is"; }
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| ISNULL { $$ = "isnull"; }
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| JOIN { $$ = "join"; }
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| LEFT { $$ = "left"; }
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| LIKE { $$ = "like"; }
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| NATURAL { $$ = "natural"; }
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| NOTNULL { $$ = "notnull"; }
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| OUTER_P { $$ = "outer"; }
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| OVERLAPS { $$ = "overlaps"; }
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| PUBLIC { $$ = "public"; }
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| RIGHT { $$ = "right"; }
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| VERBOSE { $$ = "verbose"; }
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;
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/* Reserved keyword --- these keywords are usable only as a ColLabel.
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*
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* Keywords appear here if they could not be distinguished from variable,
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* type, or function names in some contexts.
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* When adding a ColLabel, consider whether it can be added to func_name.
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* type, or function names in some contexts. Don't put things here unless
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* forced to.
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*/
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ColLabel: ColId { $$ = $1; }
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| ALL { $$ = "all"; }
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reserved_keyword:
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ALL { $$ = "all"; }
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| ANALYSE { $$ = "analyse"; } /* British */
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| ANALYZE { $$ = "analyze"; }
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| AND { $$ = "and"; }
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| ANY { $$ = "any"; }
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| AS { $$ = "as"; }
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| ASC { $$ = "asc"; }
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| BETWEEN { $$ = "between"; }
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| BINARY { $$ = "binary"; }
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| BOTH { $$ = "both"; }
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| CASE { $$ = "case"; }
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| CAST { $$ = "cast"; }
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| CHECK { $$ = "check"; }
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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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| CROSS { $$ = "cross"; }
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| CURRENT_DATE { $$ = "current_date"; }
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| CURRENT_TIME { $$ = "current_time"; }
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| CURRENT_TIMESTAMP { $$ = "current_timestamp"; }
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@ -5893,34 +5969,19 @@ ColLabel: ColId { $$ = $1; }
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| ELSE { $$ = "else"; }
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| END_TRANS { $$ = "end"; }
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| EXCEPT { $$ = "except"; }
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| EXISTS { $$ = "exists"; }
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| EXTRACT { $$ = "extract"; }
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| FALSE_P { $$ = "false"; }
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| FOR { $$ = "for"; }
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| FOREIGN { $$ = "foreign"; }
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| FREEZE { $$ = "freeze"; }
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| FROM { $$ = "from"; }
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| FULL { $$ = "full"; }
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| GROUP { $$ = "group"; }
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| HAVING { $$ = "having"; }
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| ILIKE { $$ = "ilike"; }
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| IN { $$ = "in"; }
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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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| IS { $$ = "is"; }
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| ISNULL { $$ = "isnull"; }
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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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| LIMIT { $$ = "limit"; }
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| NATURAL { $$ = "natural"; }
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| NEW { $$ = "new"; }
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| NOT { $$ = "not"; }
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| NOTNULL { $$ = "notnull"; }
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| NULLIF { $$ = "nullif"; }
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| NULL_P { $$ = "null"; }
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| OFF { $$ = "off"; }
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| OFFSET { $$ = "offset"; }
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@ -5929,65 +5990,24 @@ ColLabel: ColId { $$ = $1; }
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| ONLY { $$ = "only"; }
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| OR { $$ = "or"; }
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| ORDER { $$ = "order"; }
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| OUTER_P { $$ = "outer"; }
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| OVERLAPS { $$ = "overlaps"; }
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| POSITION { $$ = "position"; }
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| PRIMARY { $$ = "primary"; }
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| PUBLIC { $$ = "public"; }
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| REFERENCES { $$ = "references"; }
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| RIGHT { $$ = "right"; }
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| SELECT { $$ = "select"; }
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| SESSION_USER { $$ = "session_user"; }
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| SOME { $$ = "some"; }
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| SUBSTRING { $$ = "substring"; }
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| TABLE { $$ = "table"; }
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| THEN { $$ = "then"; }
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| TO { $$ = "to"; }
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| TRAILING { $$ = "trailing"; }
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| TRIM { $$ = "trim"; }
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| TRUE_P { $$ = "true"; }
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| UNION { $$ = "union"; }
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| UNIQUE { $$ = "unique"; }
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| USER { $$ = "user"; }
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| USING { $$ = "using"; }
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| VERBOSE { $$ = "verbose"; }
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| WHEN { $$ = "when"; }
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| WHERE { $$ = "where"; }
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;
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/* Function identifier --- names that can be function names.
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*
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* This contains the TypeFuncId list plus some ColLabel keywords
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* that are used as operators in expressions; in general such keywords
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* can't be ColId because they would be ambiguous with variable names,
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* but they are unambiguous as function identifiers.
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*
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* Do not include POSITION, SUBSTRING, etc here since they have explicit
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* productions in a_expr to support the goofy SQL9x argument syntax.
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* - thomas 2000-11-28
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*/
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func_name: TypeFuncId { $$ = xlateSqlFunc($1); }
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| BETWEEN { $$ = xlateSqlFunc("between"); }
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| BINARY { $$ = xlateSqlFunc("binary"); }
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| CROSS { $$ = xlateSqlFunc("cross"); }
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| FREEZE { $$ = xlateSqlFunc("freeze"); }
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| FULL { $$ = xlateSqlFunc("full"); }
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| ILIKE { $$ = xlateSqlFunc("ilike"); }
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| IN { $$ = xlateSqlFunc("in"); }
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| INNER_P { $$ = xlateSqlFunc("inner"); }
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| IS { $$ = xlateSqlFunc("is"); }
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| ISNULL { $$ = xlateSqlFunc("isnull"); }
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| JOIN { $$ = xlateSqlFunc("join"); }
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| LEFT { $$ = xlateSqlFunc("left"); }
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| LIKE { $$ = xlateSqlFunc("like"); }
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| NATURAL { $$ = xlateSqlFunc("natural"); }
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| NOTNULL { $$ = xlateSqlFunc("notnull"); }
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| OUTER_P { $$ = xlateSqlFunc("outer"); }
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| OVERLAPS { $$ = xlateSqlFunc("overlaps"); }
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| PUBLIC { $$ = xlateSqlFunc("public"); }
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| RIGHT { $$ = xlateSqlFunc("right"); }
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| VERBOSE { $$ = xlateSqlFunc("verbose"); }
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;
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SpecialRuleRelation: OLD
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{
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@ -279,7 +279,7 @@ make_name(void)
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%type <str> key_match ColLabel SpecialRuleRelation ColId columnDef
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%type <str> ColConstraint ColConstraintElem drop_type Bitconst
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%type <str> OptTableElementList OptTableElement TableConstraint
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%type <str> ConstraintElem key_actions ColQualList TypeFuncId DropSchemaStmt
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%type <str> ConstraintElem key_actions ColQualList type_name DropSchemaStmt
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%type <str> target_list target_el update_target_list alias_clause
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%type <str> update_target_el opt_id relation_name database_name
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%type <str> access_method attr_name class index_name name func_name
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@ -357,7 +357,9 @@ make_name(void)
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%type <str> struct_type s_struct declaration declarations variable_declarations
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%type <str> s_union union_type ECPGSetAutocommit on_off
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%type <str> ECPGAllocateDescr ECPGDeallocateDescr symbol opt_symbol
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%type <str> ECPGGetDescriptorHeader ECPGTypeFuncId ECPGColId ECPGColLabel
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%type <str> ECPGGetDescriptorHeader ECPGColLabel
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%type <str> reserved_keyword unreserved_keyword
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%type <str> col_name_keyword func_name_keyword
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%type <str> ECPGTypeName variablelist cvariable
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%type <descriptor> ECPGGetDescriptor
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@ -1964,7 +1966,7 @@ func_type: Typename
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{
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$$ = $1;
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}
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| TypeFuncId '.' ColId '%' TYPE_P
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| type_name '.' ColId '%' TYPE_P
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{
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$$ = cat_str(4, $1, make_str("."), $3, make_str("% type"));
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}
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@ -2978,8 +2980,7 @@ ConstTypename: Generic { $$ = $1; }
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| Character { $$ = $1; }
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;
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Generic: TypeFuncId { $$ = $1; }
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| ECPGTypeName { $$ = $1; }
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Generic: type_name { $$ = $1; }
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;
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/* SQL92 numeric data types
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@ -4874,48 +4875,48 @@ action : SQL_CONTINUE
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/* some other stuff for ecpg */
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/* additional ColId entries */
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ECPGKeywords: SQL_BREAK { $$ = make_str("break"); }
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| SQL_CALL { $$ = make_str("call"); }
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| SQL_CARDINALITY { $$ = make_str("cardinality"); }
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/* additional unreserved keywords */
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ECPGKeywords: SQL_BREAK { $$ = make_str("break"); }
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| SQL_CALL { $$ = make_str("call"); }
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| SQL_CARDINALITY { $$ = make_str("cardinality"); }
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| SQL_CONNECT { $$ = make_str("connect"); }
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| SQL_CONTINUE { $$ = make_str("continue"); }
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| SQL_COUNT { $$ = make_str("count"); }
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| SQL_DATA { $$ = make_str("data"); }
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| SQL_COUNT { $$ = make_str("count"); }
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| SQL_DATA { $$ = make_str("data"); }
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| SQL_DATETIME_INTERVAL_CODE { $$ = make_str("datetime_interval_code"); }
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| SQL_DATETIME_INTERVAL_PRECISION { $$ = make_str("datetime_interval_precision"); }
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| SQL_DEALLOCATE { $$ = make_str("deallocate"); }
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| SQL_DISCONNECT { $$ = make_str("disconnect"); }
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| SQL_FOUND { $$ = make_str("found"); }
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| SQL_GO { $$ = make_str("go"); }
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| SQL_GOTO { $$ = make_str("goto"); }
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| SQL_FOUND { $$ = make_str("found"); }
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| SQL_GO { $$ = make_str("go"); }
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| SQL_GOTO { $$ = make_str("goto"); }
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| SQL_IDENTIFIED { $$ = make_str("identified"); }
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| SQL_INDICATOR { $$ = make_str("indicator"); }
|
||||
| SQL_KEY_MEMBER { $$ = make_str("key_member"); }
|
||||
| SQL_LENGTH { $$ = make_str("length"); }
|
||||
| SQL_NAME { $$ = make_str("name"); }
|
||||
| SQL_NAME { $$ = make_str("name"); }
|
||||
| SQL_NULLABLE { $$ = make_str("nullable"); }
|
||||
| SQL_OCTET_LENGTH { $$ = make_str("octet_length"); }
|
||||
| SQL_OPEN { $$ = make_str("open"); }
|
||||
| SQL_OPEN { $$ = make_str("open"); }
|
||||
| SQL_PREPARE { $$ = make_str("prepare"); }
|
||||
| SQL_RELEASE { $$ = make_str("release"); }
|
||||
| SQL_RETURNED_LENGTH { $$ = make_str("returned_length"); }
|
||||
| SQL_RETURNED_OCTET_LENGTH { $$ = make_str("returned_octet_length"); }
|
||||
| SQL_SCALE { $$ = make_str("scale"); }
|
||||
| SQL_SCALE { $$ = make_str("scale"); }
|
||||
| SQL_SECTION { $$ = make_str("section"); }
|
||||
| SQL_SQLERROR { $$ = make_str("sqlerror"); }
|
||||
| SQL_SQLPRINT { $$ = make_str("sqlprint"); }
|
||||
| SQL_SQLWARNING { $$ = make_str("sqlwarning"); }
|
||||
| SQL_STOP { $$ = make_str("stop"); }
|
||||
| SQL_VAR { $$ = make_str("var"); }
|
||||
| SQL_STOP { $$ = make_str("stop"); }
|
||||
| SQL_VAR { $$ = make_str("var"); }
|
||||
| SQL_WHENEVER { $$ = make_str("whenever"); }
|
||||
/* | ECPGTypeName { $$ = $1 }*/
|
||||
;
|
||||
|
||||
ECPGTypeName: SQL_BOOL { $$ = make_str("bool"); }
|
||||
| SQL_INT { $$ = make_str("int"); }
|
||||
| SQL_LONG { $$ = make_str("long"); }
|
||||
| SQL_SHORT { $$ = make_str("short"); }
|
||||
/* additional keywords that can be SQL type names (but not ECPGColLabels) */
|
||||
ECPGTypeName: SQL_BOOL { $$ = make_str("bool"); }
|
||||
| SQL_INT { $$ = make_str("int"); }
|
||||
| SQL_LONG { $$ = make_str("long"); }
|
||||
| SQL_SHORT { $$ = make_str("short"); }
|
||||
| SQL_STRUCT { $$ = make_str("struct"); }
|
||||
| SQL_SIGNED { $$ = make_str("signed"); }
|
||||
| SQL_UNSIGNED { $$ = make_str("unsigned"); }
|
||||
@ -4928,25 +4929,72 @@ opt_symbol: symbol { $$ = $1; }
|
||||
symbol: ColLabel { $$ = $1; };
|
||||
|
||||
/*
|
||||
* Keyword classification lists. Generally, every keyword present in
|
||||
* the Postgres grammar should be in one of these lists. (Presently,
|
||||
* "AS" is the sole exception: it is our only completely-reserved word.)
|
||||
* Name classification hierarchy.
|
||||
*
|
||||
* Put a new keyword into the earliest list (of TypeFuncId, ColId, ColLabel)
|
||||
* that it can go into without creating shift or reduce conflicts. The
|
||||
* earlier lists define "less reserved" categories of keywords. Notice that
|
||||
* each list includes by reference the ones before it.
|
||||
* IDENT is the lexeme returned by the lexer for identifiers that match
|
||||
* no known keyword. In most cases, we can accept certain keywords as
|
||||
* names, not only IDENTs. We prefer to accept as many such keywords
|
||||
* as possible to minimize the impact of "reserved words" on programmers.
|
||||
* So, we divide names into several possible classes. The classification
|
||||
* is chosen in part to make keywords acceptable as names wherever possible.
|
||||
*/
|
||||
|
||||
/* Type/func identifier --- names that can be type and function names
|
||||
* (as well as ColIds --- ie, these are completely unreserved keywords).
|
||||
/* Column identifier --- names that can be column, table, etc names.
|
||||
*/
|
||||
TypeFuncId: ECPGTypeFuncId { $$ = $1; }
|
||||
ColId: ident { $$ = $1; }
|
||||
| unreserved_keyword { $$ = $1; }
|
||||
| col_name_keyword { $$ = $1; }
|
||||
| ECPGKeywords { $$ = $1; }
|
||||
| CHAR { $$ = make_str("char"); }
|
||||
;
|
||||
|
||||
/* Type identifier --- names that can be type names.
|
||||
*/
|
||||
type_name: ident { $$ = $1; }
|
||||
| unreserved_keyword { $$ = $1; }
|
||||
| ECPGKeywords { $$ = $1; }
|
||||
| ECPGTypeName { $$ = $1; }
|
||||
;
|
||||
|
||||
/* Function identifier --- names that can be function names.
|
||||
*/
|
||||
func_name: ident { $$ = $1; }
|
||||
| unreserved_keyword { $$ = $1; }
|
||||
| func_name_keyword { $$ = $1; }
|
||||
| ECPGKeywords { $$ = $1; }
|
||||
;
|
||||
|
||||
ECPGTypeFuncId: ident { $$ = $1; }
|
||||
| ABORT_TRANS { $$ = make_str("abort"); }
|
||||
/* Column label --- allowed labels in "AS" clauses.
|
||||
* This presently includes *all* Postgres keywords.
|
||||
*/
|
||||
ColLabel: ECPGColLabel { $$ = $1; }
|
||||
| ECPGTypeName { $$ = $1; }
|
||||
| CHAR { $$ = make_str("char"); }
|
||||
| UNION { $$ = make_str("union"); }
|
||||
;
|
||||
|
||||
ECPGColLabel: ident { $$ = $1; }
|
||||
| unreserved_keyword { $$ = $1; }
|
||||
| col_name_keyword { $$ = $1; }
|
||||
| func_name_keyword { $$ = $1; }
|
||||
| reserved_keyword { $$ = $1; }
|
||||
| ECPGKeywords { $$ = $1; }
|
||||
;
|
||||
|
||||
|
||||
/*
|
||||
* Keyword classification lists. Generally, every keyword present in
|
||||
* the Postgres grammar should appear in exactly one of these lists.
|
||||
*
|
||||
* Put a new keyword into the first list that it can go into without causing
|
||||
* shift or reduce conflicts. The earlier lists define "less reserved"
|
||||
* categories of keywords.
|
||||
*/
|
||||
|
||||
/* "Unreserved" keywords --- available for use as any kind of name.
|
||||
*/
|
||||
unreserved_keyword:
|
||||
ABORT_TRANS { $$ = make_str("abort"); }
|
||||
| ABSOLUTE { $$ = make_str("absolute"); }
|
||||
| ACCESS { $$ = make_str("access"); }
|
||||
| ACTION { $$ = make_str("action"); }
|
||||
@ -5102,69 +5150,96 @@ ECPGTypeFuncId: ident { $$ = $1; }
|
||||
| ZONE { $$ = make_str("zone"); }
|
||||
;
|
||||
|
||||
/* Column identifier --- names that can be column, table, etc names.
|
||||
/* Column identifier --- keywords that can be column, table, etc names.
|
||||
*
|
||||
* This contains the TypeFuncId list plus those keywords that conflict
|
||||
* only with typename productions, not with other uses. Note that
|
||||
* most of these keywords will in fact be recognized as type names too;
|
||||
* they just have to have special productions for the purpose.
|
||||
* Many of these keywords will in fact be recognized as type or function
|
||||
* names too; but they have special productions for the purpose, and so
|
||||
* can't be treated as "generic" type or function names.
|
||||
*
|
||||
* Most of these cannot be in TypeFuncId (ie, are not also usable as function
|
||||
* names) because they can be followed by '(' in typename productions, which
|
||||
* looks too much like a function call for a LALR(1) parser.
|
||||
* The type names appearing here are not usable as function names
|
||||
* because they can be followed by '(' in typename productions, which
|
||||
* looks too much like a function call for an LR(1) parser.
|
||||
*/
|
||||
ColId: ECPGColId { $$ = $1; }
|
||||
| CHAR { $$ = make_str("char"); }
|
||||
;
|
||||
|
||||
ECPGColId: TypeFuncId { $$ = $1; }
|
||||
| BIT { $$ = make_str("bit"); }
|
||||
col_name_keyword:
|
||||
BIT { $$ = make_str("bit"); }
|
||||
/* CHAR must be excluded from ECPGColLabel because of conflict with UNSIGNED
|
||||
| CHAR { $$ = make_str("char"); }
|
||||
*/
|
||||
| CHARACTER { $$ = make_str("character"); }
|
||||
| COALESCE { $$ = make_str("coalesce"); }
|
||||
| DEC { $$ = make_str("dec"); }
|
||||
| DECIMAL { $$ = make_str("decimal"); }
|
||||
| EXISTS { $$ = make_str("exists"); }
|
||||
| EXTRACT { $$ = make_str("extract"); }
|
||||
| FLOAT { $$ = make_str("float"); }
|
||||
| INTERVAL { $$ = make_str("interval"); }
|
||||
| NCHAR { $$ = make_str("nchar"); }
|
||||
| NONE { $$ = make_str("none"); }
|
||||
| NULLIF { $$ = make_str("nullif"); }
|
||||
| NUMERIC { $$ = make_str("numeric"); }
|
||||
| POSITION { $$ = make_str("position"); }
|
||||
| SETOF { $$ = make_str("setof"); }
|
||||
| SUBSTRING { $$ = make_str("substring"); }
|
||||
| TIME { $$ = make_str("time"); }
|
||||
| TIMESTAMP { $$ = make_str("timestamp"); }
|
||||
| TRIM { $$ = make_str("trim"); }
|
||||
| VARCHAR { $$ = make_str("varchar"); }
|
||||
;
|
||||
|
||||
/* Column label --- allowed labels in "AS" clauses.
|
||||
/* Function identifier --- keywords that can be function names.
|
||||
*
|
||||
* Keywords appear here if they could not be distinguished from variable,
|
||||
* type, or function names in some contexts.
|
||||
* When adding a ColLabel, consider whether it can be added to func_name.
|
||||
* Most of these are keywords that are used as operators in expressions;
|
||||
* in general such keywords can't be column names because they would be
|
||||
* ambiguous with variables, but they are unambiguous as function identifiers.
|
||||
*
|
||||
* Do not include POSITION, SUBSTRING, etc here since they have explicit
|
||||
* productions in a_expr to support the goofy SQL9x argument syntax.
|
||||
* - thomas 2000-11-28
|
||||
*/
|
||||
ColLabel: ECPGColLabel { $$ = $1; }
|
||||
| CHAR { $$ = make_str("char"); }
|
||||
| UNION { $$ = make_str("union"); }
|
||||
func_name_keyword:
|
||||
BETWEEN { $$ = make_str("between"); }
|
||||
| BINARY { $$ = make_str("binary"); }
|
||||
| CROSS { $$ = make_str("cross"); }
|
||||
| FREEZE { $$ = make_str("freeze"); }
|
||||
| FULL { $$ = make_str("full"); }
|
||||
| ILIKE { $$ = make_str("ilike"); }
|
||||
| IN { $$ = make_str("in"); }
|
||||
| INNER_P { $$ = make_str("inner"); }
|
||||
| IS { $$ = make_str("is"); }
|
||||
| ISNULL { $$ = make_str("isnull"); }
|
||||
| JOIN { $$ = make_str("join"); }
|
||||
| LEFT { $$ = make_str("left"); }
|
||||
| LIKE { $$ = make_str("like"); }
|
||||
| NATURAL { $$ = make_str("natural"); }
|
||||
| NOTNULL { $$ = make_str("notnull"); }
|
||||
| OUTER_P { $$ = make_str("outer"); }
|
||||
| OVERLAPS { $$ = make_str("overlaps"); }
|
||||
| PUBLIC { $$ = make_str("public"); }
|
||||
| RIGHT { $$ = make_str("right"); }
|
||||
| VERBOSE { $$ = make_str("verbose"); }
|
||||
;
|
||||
|
||||
ECPGColLabel: ECPGColId { $$ = $1; }
|
||||
| ALL { $$ = make_str("all"); }
|
||||
/* Reserved keyword --- these keywords are usable only as a ColLabel.
|
||||
*
|
||||
* Keywords appear here if they could not be distinguished from variable,
|
||||
* type, or function names in some contexts. Don't put things here unless
|
||||
* forced to.
|
||||
*/
|
||||
reserved_keyword:
|
||||
ALL { $$ = make_str("all"); }
|
||||
| ANALYSE { $$ = make_str("analyse"); } /* British */
|
||||
| ANALYZE { $$ = make_str("analyze"); }
|
||||
| AND { $$ = make_str("and"); }
|
||||
| ANY { $$ = make_str("any"); }
|
||||
| AS { $$ = make_str("as"); }
|
||||
| ASC { $$ = make_str("asc"); }
|
||||
| BETWEEN { $$ = make_str("between"); }
|
||||
| BINARY { $$ = make_str("binary"); }
|
||||
| BOTH { $$ = make_str("both"); }
|
||||
| CASE { $$ = make_str("case"); }
|
||||
| CAST { $$ = make_str("cast"); }
|
||||
| CHECK { $$ = make_str("check"); }
|
||||
| COALESCE { $$ = make_str("coalesce"); }
|
||||
| COLLATE { $$ = make_str("collate"); }
|
||||
| COLUMN { $$ = make_str("column"); }
|
||||
| CONSTRAINT { $$ = make_str("constraint"); }
|
||||
| CROSS { $$ = make_str("cross"); }
|
||||
| CURRENT_DATE { $$ = make_str("current_date"); }
|
||||
| CURRENT_TIME { $$ = make_str("current_time"); }
|
||||
| CURRENT_TIMESTAMP { $$ = make_str("current_timestamp"); }
|
||||
@ -5177,34 +5252,19 @@ ECPGColLabel: ECPGColId { $$ = $1; }
|
||||
| ELSE { $$ = make_str("else"); }
|
||||
| END_TRANS { $$ = make_str("end"); }
|
||||
| EXCEPT { $$ = make_str("except"); }
|
||||
| EXISTS { $$ = make_str("exists"); }
|
||||
| EXTRACT { $$ = make_str("extract"); }
|
||||
| FALSE_P { $$ = make_str("false"); }
|
||||
| FOR { $$ = make_str("for"); }
|
||||
| FOREIGN { $$ = make_str("foreign"); }
|
||||
| FREEZE { $$ = make_str("freeze"); }
|
||||
| FROM { $$ = make_str("from"); }
|
||||
| FULL { $$ = make_str("full"); }
|
||||
| GROUP { $$ = make_str("group"); }
|
||||
| HAVING { $$ = make_str("having"); }
|
||||
| ILIKE { $$ = make_str("ilike"); }
|
||||
| IN { $$ = make_str("in"); }
|
||||
| INITIALLY { $$ = make_str("initially"); }
|
||||
| INNER_P { $$ = make_str("inner"); }
|
||||
| INTERSECT { $$ = make_str("intersect"); }
|
||||
| INTO { $$ = make_str("into"); }
|
||||
| IS { $$ = make_str("is"); }
|
||||
| ISNULL { $$ = make_str("isnull"); }
|
||||
| JOIN { $$ = make_str("join"); }
|
||||
| LEADING { $$ = make_str("leading"); }
|
||||
| LEFT { $$ = make_str("left"); }
|
||||
| LIKE { $$ = make_str("like"); }
|
||||
| LIMIT { $$ = make_str("limit"); }
|
||||
| NATURAL { $$ = make_str("natural"); }
|
||||
| NEW { $$ = make_str("new"); }
|
||||
| NOT { $$ = make_str("not"); }
|
||||
| NOTNULL { $$ = make_str("notnull"); }
|
||||
| NULLIF { $$ = make_str("nullif"); }
|
||||
| NULL_P { $$ = make_str("null"); }
|
||||
| OFF { $$ = make_str("off"); }
|
||||
| OFFSET { $$ = make_str("offset"); }
|
||||
@ -5213,22 +5273,15 @@ ECPGColLabel: ECPGColId { $$ = $1; }
|
||||
| ONLY { $$ = make_str("only"); }
|
||||
| OR { $$ = make_str("or"); }
|
||||
| ORDER { $$ = make_str("order"); }
|
||||
| OUTER_P { $$ = make_str("outer"); }
|
||||
| OVERLAPS { $$ = make_str("overlaps"); }
|
||||
| POSITION { $$ = make_str("position"); }
|
||||
| PRIMARY { $$ = make_str("primary"); }
|
||||
| PUBLIC { $$ = make_str("public"); }
|
||||
| REFERENCES { $$ = make_str("references"); }
|
||||
| RIGHT { $$ = make_str("right"); }
|
||||
| SELECT { $$ = make_str("select"); }
|
||||
| SESSION_USER { $$ = make_str("session_user"); }
|
||||
| SOME { $$ = make_str("some"); }
|
||||
| SUBSTRING { $$ = make_str("substring"); }
|
||||
| TABLE { $$ = make_str("table"); }
|
||||
| THEN { $$ = make_str("then"); }
|
||||
| TO { $$ = make_str("to"); }
|
||||
| TRAILING { $$ = make_str("trailing"); }
|
||||
| TRIM { $$ = make_str("trim"); }
|
||||
| TRUE_P { $$ = make_str("true"); }
|
||||
/* UNION must be excluded from ECPGColLabel because of conflict with s_union
|
||||
| UNION { $$ = make_str("union"); }
|
||||
@ -5236,44 +5289,10 @@ ECPGColLabel: ECPGColId { $$ = $1; }
|
||||
| UNIQUE { $$ = make_str("unique"); }
|
||||
| USER { $$ = make_str("user"); }
|
||||
| USING { $$ = make_str("using"); }
|
||||
| VERBOSE { $$ = make_str("verbose"); }
|
||||
| WHEN { $$ = make_str("when"); }
|
||||
| WHERE { $$ = make_str("where"); }
|
||||
;
|
||||
|
||||
/* Function identifier --- names that can be function names.
|
||||
*
|
||||
* This contains the TypeFuncId list plus some ColLabel keywords
|
||||
* that are used as operators in expressions; in general such keywords
|
||||
* can't be ColId because they would be ambiguous with variable names,
|
||||
* but they are unambiguous as function identifiers.
|
||||
*
|
||||
* Do not include POSITION, SUBSTRING, etc here since they have explicit
|
||||
* productions in a_expr to support the goofy SQL9x argument syntax.
|
||||
* - thomas 2000-11-28
|
||||
*/
|
||||
func_name: TypeFuncId { $$ = $1; }
|
||||
| BETWEEN { $$ = make_str("between"); }
|
||||
| BINARY { $$ = make_str("binary"); }
|
||||
| CROSS { $$ = make_str("cross"); }
|
||||
| FREEZE { $$ = make_str("freeze"); }
|
||||
| FULL { $$ = make_str("full"); }
|
||||
| ILIKE { $$ = make_str("ilike"); }
|
||||
| IN { $$ = make_str("in"); }
|
||||
| INNER_P { $$ = make_str("inner"); }
|
||||
| IS { $$ = make_str("is"); }
|
||||
| ISNULL { $$ = make_str("isnull"); }
|
||||
| JOIN { $$ = make_str("join"); }
|
||||
| LEFT { $$ = make_str("left"); }
|
||||
| LIKE { $$ = make_str("like"); }
|
||||
| NATURAL { $$ = make_str("natural"); }
|
||||
| NOTNULL { $$ = make_str("notnull"); }
|
||||
| OUTER_P { $$ = make_str("outer"); }
|
||||
| OVERLAPS { $$ = make_str("overlaps"); }
|
||||
| PUBLIC { $$ = make_str("public"); }
|
||||
| RIGHT { $$ = make_str("right"); }
|
||||
| VERBOSE { $$ = make_str("verbose"); }
|
||||
;
|
||||
|
||||
into_list : coutputvariable | into_list ',' coutputvariable;
|
||||
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user