Manual merge

sql/sql_yacc.yy

@@ -1152,8 +1152,8 @@ bool my_yyoverflow(short **a, YYSTYPE **b, ulong *yystacksize);
 %type <item>
         literal text_literal insert_ident order_ident
         simple_ident select_item2 expr opt_expr opt_else sum_expr in_sum_expr
-        variable variable_aux bool_factor bool_test bool_pri
-        predicate bit_expr bit_term bit_factor value_expr term factor
+        variable variable_aux bool_pri
+        predicate bit_expr
         table_wild simple_expr udf_expr
         expr_or_default set_expr_or_default interval_expr
         param_marker geometry_function
@@ -6558,8 +6558,7 @@ optional_braces:
 
 /* all possible expressions */
 expr:
-          bool_factor
-        | expr or expr %prec OR_SYM
+          expr or expr %prec OR_SYM
           {
             /*
               Design notes:
@@ -6654,36 +6653,35 @@ expr:
               $$ = new (YYTHD->mem_root) Item_cond_and($1, $3);
             }
           }
-        ;
-
-bool_factor:
-          NOT_SYM bool_factor { $$= negate_expression(YYTHD, $2); }
-        | bool_test
-        ;
-
-bool_test:
-          bool_pri IS TRUE_SYM
+        | NOT_SYM expr %prec NOT_SYM
+          { $$= negate_expression(YYTHD, $2); }
+        | bool_pri IS TRUE_SYM %prec IS
           { $$= new (YYTHD->mem_root) Item_func_istrue($1); }
-        | bool_pri IS not TRUE_SYM
+        | bool_pri IS not TRUE_SYM %prec IS
           { $$= new (YYTHD->mem_root) Item_func_isnottrue($1); }
-        | bool_pri IS FALSE_SYM
+        | bool_pri IS FALSE_SYM %prec IS
           { $$= new (YYTHD->mem_root) Item_func_isfalse($1); }
-        | bool_pri IS not FALSE_SYM
+        | bool_pri IS not FALSE_SYM %prec IS
           { $$= new (YYTHD->mem_root) Item_func_isnotfalse($1); }
-        | bool_pri IS UNKNOWN_SYM { $$= new Item_func_isnull($1); }
-        | bool_pri IS not UNKNOWN_SYM { $$= new Item_func_isnotnull($1); }
+        | bool_pri IS UNKNOWN_SYM %prec IS
+          { $$= new Item_func_isnull($1); }
+        | bool_pri IS not UNKNOWN_SYM %prec IS
+          { $$= new Item_func_isnotnull($1); }
         | bool_pri
         ;
 
 bool_pri:
-          bool_pri IS NULL_SYM { $$= new Item_func_isnull($1); }
-        | bool_pri IS not NULL_SYM { $$= new Item_func_isnotnull($1); }
-        | bool_pri EQUAL_SYM predicate { $$= new Item_func_equal($1,$3); }
+          bool_pri IS NULL_SYM %prec IS
+          { $$= new Item_func_isnull($1); }
+        | bool_pri IS not NULL_SYM %prec IS
+          { $$= new Item_func_isnotnull($1); }
+        | bool_pri EQUAL_SYM predicate %prec EQUAL_SYM
+          { $$= new Item_func_equal($1,$3); }
         | bool_pri comp_op predicate %prec EQ
           { $$= (*$2)(0)->create($1,$3); }
         | bool_pri comp_op all_or_any '(' subselect ')' %prec EQ
           { $$= all_any_subquery_creator($1, $2, $3, $5); }
-        | predicate
+        | predicate ;
         ;
 
 predicate:
@@ -6743,44 +6741,34 @@ predicate:
         ;
 
 bit_expr:
-          bit_expr '|' bit_term { $$= new Item_func_bit_or($1,$3); }
-        | bit_term
-        ;
-
-bit_term:
-          bit_term '&' bit_factor { $$= new Item_func_bit_and($1,$3); }
-        | bit_factor
-        ;
-
-bit_factor:
-          bit_factor SHIFT_LEFT value_expr
+          bit_expr '|' bit_expr %prec '|'
+          { $$= new Item_func_bit_or($1,$3); }
+        | bit_expr '&' bit_expr %prec '&'
+          { $$= new Item_func_bit_and($1,$3); }
+        | bit_expr SHIFT_LEFT bit_expr %prec SHIFT_LEFT
           { $$= new Item_func_shift_left($1,$3); }
-        | bit_factor SHIFT_RIGHT value_expr
+        | bit_expr SHIFT_RIGHT bit_expr %prec SHIFT_RIGHT
           { $$= new Item_func_shift_right($1,$3); }
-        | value_expr
-        ;
-
-value_expr:
-          value_expr '+' term { $$= new Item_func_plus($1,$3); }
-        | value_expr '-' term { $$= new Item_func_minus($1,$3); }
-        | value_expr '+' interval_expr interval
+        | bit_expr '+' bit_expr %prec '+'
+          { $$= new Item_func_plus($1,$3); }
+        | bit_expr '-' bit_expr %prec '-'
+          { $$= new Item_func_minus($1,$3); }
+        | bit_expr '+' interval_expr interval %prec '+'
           { $$= new Item_date_add_interval($1,$3,$4,0); }
-        | value_expr '-' interval_expr interval
+        | bit_expr '-' interval_expr interval %prec '-'
           { $$= new Item_date_add_interval($1,$3,$4,1); }
-        | term
-        ;
-
-term:
-          term '*' factor { $$= new Item_func_mul($1,$3); }
-        | term '/' factor { $$= new Item_func_div($1,$3); }
-        | term '%' factor { $$= new Item_func_mod($1,$3); }
-        | term DIV_SYM factor { $$= new Item_func_int_div($1,$3); }
-        | term MOD_SYM factor { $$= new Item_func_mod($1,$3); }
-        | factor
-        ;
-
-factor:
-          factor '^' simple_expr { $$= new Item_func_bit_xor($1,$3); }
+        | bit_expr '*' bit_expr %prec '*'
+          { $$= new Item_func_mul($1,$3); }
+        | bit_expr '/' bit_expr %prec '/'
+          { $$= new Item_func_div($1,$3); }
+        | bit_expr '%' bit_expr %prec '%'
+          { $$= new Item_func_mod($1,$3); }
+        | bit_expr DIV_SYM bit_expr %prec DIV_SYM
+          { $$= new Item_func_int_div($1,$3); }
+        | bit_expr MOD_SYM bit_expr %prec MOD_SYM
+          { $$= new Item_func_mod($1,$3); }
+        | bit_expr '^' bit_expr
+          { $$= new Item_func_bit_xor($1,$3); }
         | simple_expr
         ;