Skip to content
Snippets Groups Projects
Commit 84307f73 authored by Wanxin Li's avatar Wanxin Li
Browse files

add create operator

parent 8254c646
No related branches found
No related tags found
No related merge requests found
...@@ -57,15 +57,43 @@ Query ...@@ -57,15 +57,43 @@ Query
SelectQuery SelectQuery
: SELECT Body : SELECT Body
{
printf("SelectQuery 1 \n");
$$ = $2;
}
| SELECT SelectList Body | SELECT SelectList Body
{
printf("SelectQuery 2 \n");
$$ = create_proj_operator($2, $3);
}
| SELECT DISTINCT Body | SELECT DISTINCT Body
{
printf("SelectList 3 \n");
$$ = $3;
}
| SELECT DISTINCT SelectList Body | SELECT DISTINCT SelectList Body
{
printf("SelectList 4 \n");
$$ = create_proj_operator($2, $3);
}
; ;
Body Body
: FROM TableList : FROM TableList
{
printf("Body 1 \n");
$$ = $2;
}
| FROM WHERE Pred | FROM WHERE Pred
{
printf("Body 2 \n");
// todo
}
| FROM TableList WHERE Pred | FROM TableList WHERE Pred
{
printf("Body 3 \n");
$$ = create_eval_operator($4, $2);
}
; ;
TableList TableList
......
0% Loading or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment