DBIS/HyriseSQLParser
5
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

removed join algo

Browse Source
This commit is contained in:
Pedro 2014-11-18 16:38:31 +01:00
parent ec924ab500
commit 7ab73f7b2b
3 changed files with 6 additions and 25 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
src/lib/Table.h
View File

@ -69,16 +69,6 @@ typedef enum {
kJoinRight,
} JoinType;
/**
* Specifying a join algorithm is not standard.
* This is specific to Hyrise.
*/
typedef enum {
kJoinAlgoScan,
kJoinAlgoHash,
kJoinAlgoRadix
} JoinAlgorithm;
/**
* Definition of a join table
*/
@ -87,8 +77,7 @@ struct JoinDefinition {
left(NULL),
right(NULL),
condition(NULL),
type(kJoinInner),
algorithm(kJoinAlgoScan) {}
type(kJoinInner) {}
virtual ~JoinDefinition(); // defined in destructors.cpp
@ -97,7 +86,6 @@ struct JoinDefinition {
Expr* condition;
JoinType type;
JoinAlgorithm algorithm;
};

15
src/parser/bison_parser.y
View File

@ -135,7 +135,7 @@ typedef void* yyscan_t;
%type <order> opt_order
%type <limit> opt_limit
%type <order_type> opt_order_type
%type <uval> import_file_type opt_join_type opt_join_algorithm
%type <uval> import_file_type opt_join_type
/******************************
** Token Precedence and Associativity
@ -466,15 +466,14 @@ opt_alias:
******************************/
join_clause:
join_table opt_join_algorithm opt_join_type JOIN join_table ON join_condition
join_table opt_join_type JOIN join_table ON join_condition
{
$$ = new TableRef(kTableJoin);
$$->join = new JoinDefinition();
$$->join->type = (JoinType) $2;
$$->join->algorithm = (JoinAlgorithm) $3;
$$->join->left = $1;
$$->join->right = $5;
$$->join->condition = $7;
$$->join->right = $4;
$$->join->condition = $6;
}
;
@ -486,12 +485,6 @@ opt_join_type:
| /* empty, default */ { $$ = kJoinInner; }
;
opt_join_algorithm:
SCAN { $$ = kJoinAlgoScan; }
| HASH { $$ = kJoinAlgoHash; }
| RADIX { $$ = kJoinAlgoRadix; }
| /* empty, default */ { $$ = kJoinAlgoScan; }
join_table:

2
test/valid_queries.sql
View File

@ -10,7 +10,7 @@ SELECT * FROM t1 UNION (SELECT * FROM t2) ORDER BY col1;
SELECT * FROM t1 UNION (SELECT * FROM t2 UNION SELECT * FROM t3) ORDER BY col1;
# JOIN
SELECT t1.a, t1.b, t2.c FROM "table" AS t1 JOIN (SELECT * FROM foo JOIN bar ON foo.id = bar.id) t2 ON t1.a = t2.b WHERE (t1.b OR NOT t1.a) AND t2.c = 12.5
SELECT * FROM t1 HASH JOIN t2 ON c1 = c2;
SELECT * FROM t1 JOIN t2 ON c1 = c2;
# CREATE statement
CREATE TABLE "table" FROM TBL FILE 'students.tbl'
CREATE TABLE IF NOT EXISTS "table" FROM TBL FILE 'students.tbl'