- 论坛徽章:
- 0
|
忘了提来源了
是mysql 5.1.28rc中sql目录下sql_yacc.y中的语法
bit_expr:
bit_expr '|' bit_expr %prec '|'
{
$$= new (YYTHD->mem_root) Item_func_bit_or($1,$3);
if ($$ == NULL)
MYSQL_YYABORT;
}
| bit_expr '&' bit_expr %prec '&'
{
$$= new (YYTHD->mem_root) Item_func_bit_and($1,$3);
if ($$ == NULL)
MYSQL_YYABORT;
}
| bit_expr SHIFT_LEFT bit_expr %prec SHIFT_LEFT
{
$$= new (YYTHD->mem_root) Item_func_shift_left($1,$3);
if ($$ == NULL)
MYSQL_YYABORT;
}
| bit_expr SHIFT_RIGHT bit_expr %prec SHIFT_RIGHT
{
$$= new (YYTHD->mem_root) Item_func_shift_right($1,$3);
if ($$ == NULL)
MYSQL_YYABORT;
}
| bit_expr '+' bit_expr %prec '+'
{
$$= new (YYTHD->mem_root) Item_func_plus($1,$3);
if ($$ == NULL)
MYSQL_YYABORT;
}
| bit_expr '-' bit_expr %prec '-'
{
$$= new (YYTHD->mem_root) Item_func_minus($1,$3);
if ($$ == NULL)
MYSQL_YYABORT;
}
| bit_expr '+' INTERVAL_SYM expr interval %prec '+'
{
$$= new (YYTHD->mem_root) Item_date_add_interval($1,$4,$5,0);
if ($$ == NULL)
MYSQL_YYABORT;
}
| bit_expr '-' INTERVAL_SYM expr interval %prec '-'
{
$$= new (YYTHD->mem_root) Item_date_add_interval($1,$4,$5,1);
if ($$ == NULL)
MYSQL_YYABORT;
}
| bit_expr '*' bit_expr %prec '*'
{
$$= new (YYTHD->mem_root) Item_func_mul($1,$3);
if ($$ == NULL)
MYSQL_YYABORT;
}
| bit_expr '/' bit_expr %prec '/'
{
$$= new (YYTHD->mem_root) Item_func_div($1,$3);
if ($$ == NULL)
MYSQL_YYABORT;
}
| bit_expr '%' bit_expr %prec '%'
{
$$= new (YYTHD->mem_root) Item_func_mod($1,$3);
if ($$ == NULL)
MYSQL_YYABORT;
}
| bit_expr DIV_SYM bit_expr %prec DIV_SYM
{
$$= new (YYTHD->mem_root) Item_func_int_div($1,$3);
if ($$ == NULL)
MYSQL_YYABORT;
}
| bit_expr MOD_SYM bit_expr %prec MOD_SYM
{
$$= new (YYTHD->mem_root) Item_func_mod($1,$3);
if ($$ == NULL)
MYSQL_YYABORT;
}
| bit_expr '^' bit_expr
{
$$= new (YYTHD->mem_root) Item_func_bit_xor($1,$3);
if ($$ == NULL)
MYSQL_YYABORT;
}
| simple_expr
; |
|