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Synced preproc.y with gram.y and added missing include file to pgc.l.
This commit is contained in:
Michael Meskes
parent
0fada37f5d
commit
88ce6a2ba0
@ -1035,8 +1035,9 @@ Fri Dec 22 13:33:31 CET 2000
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- Fixed bug in a connect statement using varchars.
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- Synced gram.y and preproc.y.
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Tue Jan 9 20:24:56 CET 2001
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Mon Jan 22 17:56:02 CET 2001
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- Synced gram.y.
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- Synced gram.y and preproc.y.
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- Added #include "postgres.h" to pgc.l.
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- Set ecpg version to 2.8.0.
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- Set library version to 3.2.0.
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@ -12,17 +12,16 @@
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*
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*
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* IDENTIFICATION
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* $Header: /cvsroot/pgsql/src/interfaces/ecpg/preproc/pgc.l,v 1.71 2001/01/14 05:08:17 tgl Exp $
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* $Header: /cvsroot/pgsql/src/interfaces/ecpg/preproc/pgc.l,v 1.72 2001/01/22 17:05:50 meskes Exp $
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*
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*-------------------------------------------------------------------------
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*/
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#include "postgres.h"
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#include <ctype.h>
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#include <sys/types.h>
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#include <limits.h>
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#include <errno.h>
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#include "postgres.h"
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#include "miscadmin.h"
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#include "nodes/parsenodes.h"
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#include "nodes/pg_list.h"
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@ -294,7 +294,7 @@ make_name(void)
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%type <str> opt_indirection expr_list extract_list extract_arg
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%type <str> position_list substr_list substr_from alter_column_action
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%type <str> trim_list in_expr substr_for attr attrs drop_behavior
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%type <str> Typename SimpleTypename GenericType Numeric opt_float opt_numeric
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%type <str> Typename SimpleTypename Generic Numeric generic opt_float opt_numeric
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%type <str> opt_decimal Character character opt_varying opt_charset
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%type <str> opt_collate datetime opt_timezone opt_interval table_ref
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%type <str> row_expr row_descriptor row_list ConstDatetime opt_chain
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@ -313,7 +313,7 @@ make_name(void)
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%type <str> index_list func_index index_elem opt_class access_method_clause
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%type <str> index_opt_unique IndexStmt func_return ConstInterval
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%type <str> func_args_list func_args opt_with ProcedureStmt def_arg
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%type <str> def_elem def_list definition DefineStmt
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%type <str> def_elem def_list definition DefineStmt select_with_parens
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%type <str> opt_instead event event_object RuleActionList opt_using
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%type <str> RuleActionStmtOrEmpty RuleActionMulti func_as reindex_type
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%type <str> RuleStmt opt_column opt_name oper_argtypes sysid_clause
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@ -2066,16 +2066,7 @@ RuleActionMulti: RuleActionMulti ';' RuleActionStmtOrEmpty
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{ $$ = cat2_str($1, make_str(";")); }
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;
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/*
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* Allowing RuleActionStmt to be a SelectStmt creates an ambiguity:
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* is the RuleActionList "((SELECT foo))" a standalone RuleActionStmt,
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* or a one-entry RuleActionMulti list? We don't really care, but yacc
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* wants to know. We use operator precedence to resolve the ambiguity:
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* giving this rule a higher precedence than ')' will force a reduce
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* rather than shift decision, causing the one-entry-list interpretation
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* to be chosen.
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*/
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RuleActionStmt: SelectStmt %prec TYPECAST
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RuleActionStmt: SelectStmt
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| InsertStmt
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| UpdateStmt
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| DeleteStmt
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@ -2491,11 +2482,17 @@ opt_cursor: BINARY { $$ = make_str("binary"); }
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*
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*****************************************************************************/
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SelectStmt: select_no_parens %prec TYPECAST
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SelectStmt: select_no_parens %prec UMINUS
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{ $$ = $1; }
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| select_with_parens %prec UMINUS
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{ $$ = $1; }
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;
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select_with_parens: '(' select_no_parens ')'
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{
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$$ = $1;
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$$ = cat_str(3, make_str("("), $2, make_str(")"));
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}
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| '(' SelectStmt ')'
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| '(' select_with_parens ')'
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{
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$$ = cat_str(3, make_str("("), $2, make_str(")"));
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}
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@ -2524,9 +2521,9 @@ select_clause: simple_select
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$$ = $1;
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}
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| '(' SelectStmt ')'
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| select_with_parens
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{
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$$ = cat_str(3, make_str("("), $2, make_str(")"));
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$$ = $1;
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}
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;
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@ -2745,10 +2742,6 @@ from_list: from_list ',' table_ref { $$ = cat_str(3, $1, make_str(","), $3); }
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* between table_ref := '(' joined_table ')' alias_clause
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* and joined_table := '(' joined_table ')'. So, we must have the
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* redundant-looking productions here instead.
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*
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* Note that the SQL spec does not permit a subselect (<derived_table>)
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* without an alias clause, so we don't either. This avoids the problem
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* of needing to invent a refname for an unlabeled subselect.
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*/
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table_ref: relation_expr
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{
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@ -2758,9 +2751,13 @@ table_ref: relation_expr
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{
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$$= cat2_str($1, $2);
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}
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| '(' SelectStmt ')' alias_clause
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| select_with_parens
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{
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$$=cat_str(4, make_str("("), $2, make_str(")"), $4);
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mmerror(ET_ERROR, "sub-SELECT in FROM must have an alias");
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}
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| select_with_parens alias_clause
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{
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$$=cat2_str($1, $2);
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}
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| joined_table
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{
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@ -2856,12 +2853,12 @@ relation_expr: relation_name
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/* normal relations */
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$$ = $1;
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}
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| relation_name '*' %prec '='
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| relation_name '*'
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{
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/* inheritance query */
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$$ = cat2_str($1, make_str("*"));
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}
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| ONLY relation_name %prec '='
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| ONLY relation_name
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{
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/* inheritance query */
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$$ = cat2_str(make_str("ONLY "), $2);
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@ -2928,7 +2925,7 @@ SimpleTypename: ConstTypename { $$ = $1; }
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| ConstInterval { $$ = $1; }
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;
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ConstTypename: GenericType { $$ = $1; }
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ConstTypename: Generic { $$ = $1; }
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| ConstDatetime { $$ = $1; }
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| Numeric { $$ = $1; }
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| Geometric { $$ = $1; }
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@ -2936,7 +2933,14 @@ ConstTypename: GenericType { $$ = $1; }
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| Character { $$ = $1; }
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;
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GenericType: ident { $$ = $1; }
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Generic: generic
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{
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$$ = $1;
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}
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;
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generic: ident { $$ = $1; }
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| TYPE_P { $$ = make_str("type"); }
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| ECPGKeywords { $$ = $1; }
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| ECPGTypeName { $$ = $1; }
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;
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@ -3170,21 +3174,21 @@ opt_interval: datetime { $$ = $1; }
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* Define row_descriptor to allow yacc to break the reduce/reduce conflict
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* with singleton expressions.
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*/
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row_expr: '(' row_descriptor ')' IN '(' SelectStmt ')'
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row_expr: '(' row_descriptor ')' IN select_with_parens
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{
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$$ = cat_str(5, make_str("("), $2, make_str(") in ("), $6, make_str(")"));
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$$ = cat_str(4, make_str("("), $2, make_str(") in "), $5);
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}
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| '(' row_descriptor ')' NOT IN '(' SelectStmt ')'
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| '(' row_descriptor ')' NOT IN select_with_parens
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{
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$$ = cat_str(5, make_str("("), $2, make_str(") not in ("), $7, make_str(")"));
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$$ = cat_str(4, make_str("("), $2, make_str(") not in "), $6);
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}
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| '(' row_descriptor ')' all_Op sub_type '(' SelectStmt ')'
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| '(' row_descriptor ')' all_Op sub_type select_with_parens
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{
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$$ = cat_str(8, make_str("("), $2, make_str(")"), $4, $5, make_str("("), $7, make_str(")"));
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$$ = cat_str(6, make_str("("), $2, make_str(")"), $4, $5, $6);
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}
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| '(' row_descriptor ')' all_Op '(' SelectStmt ')'
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| '(' row_descriptor ')' all_Op select_with_parens
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{
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$$ = cat_str(7, make_str("("), $2, make_str(")"), $4, make_str("("), $6, make_str(")"));
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$$ = cat_str(5, make_str("("), $2, make_str(")"), $4, $5);
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}
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| '(' row_descriptor ')' all_Op '(' row_descriptor ')'
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{
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@ -3349,17 +3353,17 @@ a_expr: c_expr
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{
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$$ = cat_str(5, $1, make_str("not between"), $4, make_str("and"), $6);
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}
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| a_expr IN '(' in_expr ')'
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| a_expr IN in_expr
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{
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$$ = cat_str(4, $1, make_str(" in ("), $4, make_str(")"));
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$$ = cat_str(3, $1, make_str(" in"), $3);
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}
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| a_expr NOT IN '(' in_expr ')'
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| a_expr NOT IN in_expr
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{
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$$ = cat_str(4, $1, make_str(" not in ("), $5, make_str(")"));
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$$ = cat_str(3, $1, make_str(" not in "), $4);
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}
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| a_expr all_Op sub_type '(' SelectStmt ')'
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| a_expr all_Op sub_type select_with_parens
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{
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$$ = cat_str(6, $1, $2, $3, make_str("("), $5, make_str(")"));
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$$ = cat_str(4, $1, $2, $3, $4);
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}
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| row_expr
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{ $$ = $1; }
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@ -3494,10 +3498,10 @@ c_expr: attr
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{ $$ = cat_str(3, make_str("trim(trailing"), $4, make_str(")")); }
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| TRIM '(' trim_list ')'
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{ $$ = cat_str(3, make_str("trim("), $3, make_str(")")); }
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| '(' select_no_parens ')'
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{ $$ = cat_str(3, make_str("("), $2, make_str(")")); }
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| EXISTS '(' SelectStmt ')'
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{ $$ = cat_str(3, make_str("exists("), $3, make_str(")")); }
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| select_with_parens %prec UMINUS
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{ $$ = $1; }
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| EXISTS select_with_parens
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{ $$ = cat2_str(make_str("exists"), $2); }
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;
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/*
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* This used to use ecpg_expr, but since there is no shift/reduce conflict
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@ -3583,12 +3587,12 @@ trim_list: a_expr FROM expr_list
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{ $$ = $1; }
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;
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in_expr: SelectStmt
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in_expr: select_with_parens
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{
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$$ = $1;
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}
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| in_expr_nodes
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{ $$ = $1; }
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| '(' in_expr_nodes ')'
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{ $$ = cat_str(3, make_str("("), $2, make_str(")")); }
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;
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in_expr_nodes: a_expr
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@ -5069,7 +5073,6 @@ TokenId: ABSOLUTE { $$ = make_str("absolute"); }
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| TRIGGER { $$ = make_str("trigger"); }
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| TRUNCATE { $$ = make_str("truncate"); }
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| TRUSTED { $$ = make_str("trusted"); }
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| TYPE_P { $$ = make_str("type"); }
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| UNLISTEN { $$ = make_str("unlisten"); }
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| UNTIL { $$ = make_str("until"); }
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| UPDATE { $$ = make_str("update"); }
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@ -5103,7 +5106,6 @@ ECPGColLabel: ECPGColId { $$ = $1; }
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| ALL { $$ = make_str("all"); }
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| ANALYSE { $$ = make_str("analyse"); }
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| ANALYZE { $$ = make_str("analyze"); }
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| AND { $$ = make_str("and"); }
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| ANY { $$ = make_str("any"); }
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| ASC { $$ = make_str("asc"); }
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| BETWEEN { $$ = make_str("between"); }
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@ -5198,7 +5200,6 @@ ECPGColLabel: ECPGColId { $$ = $1; }
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| TABLE { $$ = make_str("table"); }
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| THEN { $$ = make_str("then"); }
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| TO { $$ = make_str("to"); }
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| TRAILING { $$ = make_str("trailing"); }
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| TRANSACTION { $$ = make_str("transaction"); }
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| TRIM { $$ = make_str("trim"); }
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| TRUE_P { $$ = make_str("true"); }
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