MDEV-19996 Bison grammar: turn singe-character operators into <kwd>

sql/sql_cte.cc

@@ -767,7 +767,9 @@ bool With_clause::prepare_unreferenced_elements(THD *thd)
     true    on failure
 */
   
-bool With_element::set_unparsed_spec(THD *thd, char *spec_start, char *spec_end,
+bool With_element::set_unparsed_spec(THD *thd,
+                                     const char *spec_start,
+                                     const char *spec_end,
                                      my_ptrdiff_t spec_offset)
 {
   stmt_prepare_mode= thd->m_parser_state->m_lip.stmt_prepare_mode;

sql/sql_cte.h

@@ -197,7 +197,7 @@ class With_element : public Sql_alloc
 
   TABLE_LIST *find_first_sq_rec_ref_in_select(st_select_lex *sel);
 
-  bool set_unparsed_spec(THD *thd, char *spec_start, char *spec_end,
+  bool set_unparsed_spec(THD *thd, const char *spec_start, const char *spec_end,
                          my_ptrdiff_t spec_offset);
 
   st_select_lex_unit *clone_parsed_spec(THD *thd, TABLE_LIST *with_table);

sql/sql_lex.cc

@@ -1510,6 +1510,7 @@ int Lex_input_stream::lex_one_token(YYSTYPE *yylval, THD *thd)
     case MY_LEX_SKIP:                          // This should not happen
       if (c != ')')
         next_state= MY_LEX_START;         // Allow signed numbers
+      yylval->kwd.set_keyword(m_tok_start, 1);
       return((int) c);
 
     case MY_LEX_MINUS_OR_COMMENT:

sql/sql_yacc.yy

@@ -1792,7 +1792,7 @@ bool my_yyoverflow(short **a, YYSTYPE **b, size_t *yystacksize);
 
 %type <simple_string>
         remember_name remember_end
-        remember_tok_start remember_tok_end
+        remember_tok_start
         wild_and_where
 
 %type <const_simple_string>
@@ -2169,9 +2169,12 @@ END_OF_INPUT
 %type <frame_exclusion> opt_window_frame_exclusion;
 %type <window_frame_bound> window_frame_start window_frame_bound;
 
-%type <NONE>
+%type <kwd>
         '-' '+' '*' '/' '%' '(' ')'
-        ',' '!' '{' '}' '&' '|' AND_SYM OR_SYM BETWEEN_SYM CASE_SYM
+        ',' '!' '{' '}' '&' '|'
+
+%type <NONE>
+        AND_SYM OR_SYM BETWEEN_SYM CASE_SYM
         THEN_SYM WHEN_SYM DIV_SYM MOD_SYM OR2_SYM AND_AND_SYM DELETE_SYM
         MYSQL_CONCAT_SYM ORACLE_CONCAT_SYM
 
@@ -8814,6 +8817,7 @@ persistent_column_stat_spec:
           }
           table_column_list
           ')' 
+          { }
         ;
  
 persistent_index_stat_spec:
@@ -8827,6 +8831,7 @@ persistent_index_stat_spec:
           }
           table_index_list
           ')' 
+          { }
         ;
 
 table_column_list:
@@ -9593,12 +9598,6 @@ remember_tok_start:
           }
         ;
 
-remember_tok_end:
-          {
-            $$= (char*) YYLIP->get_tok_end();
-          }
-        ;
-
 remember_name:
           {
             $$= (char*) YYLIP->get_cpp_tok_start();
@@ -12472,6 +12471,7 @@ window_spec:
           opt_window_ref opt_window_partition_clause
           opt_window_order_clause opt_window_frame_clause
           ')'
+          { }
         ;
 
 opt_window_ref:
@@ -15262,16 +15262,16 @@ with_list_element:
               MYSQL_YYABORT;
             Lex->with_column_list.empty();
           }
-          AS '(' remember_tok_start query_expression remember_tok_end ')'
+          AS '(' query_expression ')'
  	  {
             LEX *lex= thd->lex;
             const char *query_start= lex->sphead ? lex->sphead->m_tmp_query
                                                  : thd->query();
-            char *spec_start= $6 + 1;
-            With_element *elem= new With_element($1, *$2, $7);
+            const char *spec_start= $5.pos() + 1;
+            With_element *elem= new With_element($1, *$2, $6);
 	    if (elem == NULL || Lex->curr_with_clause->add_with_element(elem))
 	      MYSQL_YYABORT;
-            if (elem->set_unparsed_spec(thd, spec_start, $8,
+            if (elem->set_unparsed_spec(thd, spec_start, $7.pos(),
                                         spec_start - query_start))
               MYSQL_YYABORT;
 	  }
@@ -17292,7 +17292,7 @@ opt_column_list:
             LEX *lex=Lex;
             lex->grant |= lex->which_columns;
           }
-        | '(' column_list ')'
+        | '(' column_list ')' { }
         ;
 
 column_list:
@@ -17601,7 +17601,7 @@ view_suid:
 view_list_opt:
           /* empty */
           {}
-        | '(' view_list ')'
+        | '(' view_list ')' { }
         ;
 
 view_list:

sql/sql_yacc_ora.yy

@@ -1274,7 +1274,7 @@ bool my_yyoverflow(short **a, YYSTYPE **b, size_t *yystacksize);
 
 %type <simple_string>
         remember_name remember_end remember_end_opt
-        remember_tok_start remember_tok_end
+        remember_tok_start
         wild_and_where
 
 %type <const_simple_string>
@@ -1672,9 +1672,12 @@ END_OF_INPUT
 %type <frame_exclusion> opt_window_frame_exclusion;
 %type <window_frame_bound> window_frame_start window_frame_bound;
 
-%type <NONE>
+%type <kwd>
         '-' '+' '*' '/' '%' '(' ')'
-        ',' '!' '{' '}' '&' '|' AND_SYM OR_SYM BETWEEN_SYM CASE_SYM
+        ',' '!' '{' '}' '&' '|'
+
+%type <NONE>
+        AND_SYM OR_SYM BETWEEN_SYM CASE_SYM
         THEN_SYM WHEN_SYM DIV_SYM MOD_SYM OR2_SYM AND_AND_SYM DELETE_SYM
         MYSQL_CONCAT_SYM ORACLE_CONCAT_SYM
 
@@ -8915,6 +8918,7 @@ persistent_column_stat_spec:
           }
           table_column_list
           ')' 
+          { }
         ;
  
 persistent_index_stat_spec:
@@ -8928,6 +8932,7 @@ persistent_index_stat_spec:
           }
           table_index_list
           ')' 
+          { }
         ;
 
 table_column_list:
@@ -9694,12 +9699,6 @@ remember_tok_start:
           }
         ;
 
-remember_tok_end:
-          {
-            $$= (char*) YYLIP->get_tok_end();
-          }
-        ;
-
 remember_name:
           {
             $$= (char*) YYLIP->get_cpp_tok_start();
@@ -12582,6 +12581,7 @@ window_spec:
           opt_window_ref opt_window_partition_clause
           opt_window_order_clause opt_window_frame_clause
           ')'
+          { }
         ;
 
 opt_window_ref:
@@ -15394,16 +15394,16 @@ with_list_element:
               MYSQL_YYABORT;
             Lex->with_column_list.empty();
           }
-          AS '(' remember_tok_start query_expression remember_tok_end ')'
+          AS '(' query_expression ')'
  	  {
             LEX *lex= thd->lex;
             const char *query_start= lex->sphead ? lex->sphead->m_tmp_query
                                                  : thd->query();
-            char *spec_start= $6 + 1;
-            With_element *elem= new With_element($1, *$2, $7);
+            const char *spec_start= $5.pos() + 1;
+            With_element *elem= new With_element($1, *$2, $6);
 	    if (elem == NULL || Lex->curr_with_clause->add_with_element(elem))
 	      MYSQL_YYABORT;
-            if (elem->set_unparsed_spec(thd, spec_start, $8,
+            if (elem->set_unparsed_spec(thd, spec_start, $7.pos(),
                                         spec_start - query_start))
               MYSQL_YYABORT;
 	  }
@@ -17511,7 +17511,7 @@ opt_column_list:
             LEX *lex=Lex;
             lex->grant |= lex->which_columns;
           }
-        | '(' column_list ')'
+        | '(' column_list ')' { }
         ;
 
 column_list:
@@ -17821,7 +17821,7 @@ view_suid:
 view_list_opt:
           /* empty */
           {}
-        | '(' view_list ')'
+        | '(' view_list ')' { }
         ;
 
 view_list: