提交 75f5b528 authored 作者: Owner's avatar Owner

Added with.sql ad mergeUsing.sql test cases

上级 a0fd76d8
......@@ -42,6 +42,7 @@ public class TestGeneralCommonTableQueries extends AbstractBaseForCommonTableExp
testCreateTable();
testNestedSQL();
testSimple4RowRecursiveQuery();
testSimple2By4RowRecursiveQuery();
}
private void testSimpleSelect() throws Exception {
......@@ -489,5 +490,24 @@ public class TestGeneralCommonTableQueries extends AbstractBaseForCommonTableExp
WITH_QUERY, maxRetries-1, expectedColumnTypes);
}
private void testSimple2By4RowRecursiveQuery() throws Exception {
String[] expectedRowData =new String[]{"|0|1|10","|1|2|11","|2|3|12","|3|4|13"};
String[] expectedColumnTypes =new String[]{"INTEGER","INTEGER","INTEGER"};
String[] expectedColumnNames =new String[]{"K","N","N2"};
String SETUP_SQL = "-- do nothing";
String WITH_QUERY = "with \n"+
"r1(n,k) as ((select 1, 0) union all (select n+1,k+1 from r1 where n <= 3)),"+
"r2(n,k) as ((select 10,0) union all (select n+1,k+1 from r2 where n <= 13))"+
"select r1.k, r1.n, r2.n AS n2 from r1 inner join r2 ON r1.k= r2.k ";
int maxRetries = 3;
int expectedNumberOfRows = expectedRowData.length;
testRepeatedQueryWithSetup(maxRetries, expectedRowData, expectedColumnNames, expectedNumberOfRows, SETUP_SQL,
WITH_QUERY, maxRetries-1, expectedColumnTypes);
}
}
......@@ -133,6 +133,9 @@ public class TestScript extends TestBase {
"parsedatetime", "quarter", "second", "week", "year" }) {
testScript("functions/timeanddate/" + s + ".sql");
}
for (String s : new String[] { "with", "mergeUsing" }) {
testScript("dml/" + s + ".sql");
}
deleteDb("script");
System.out.flush();
}
......
-- Copyright 2004-2014 H2 Group. Multiple-Licensed under the MPL 2.0,
-- and the EPL 1.0 (http://h2database.com/html/license.html).
-- Initial Developer: H2 Group
--
CREATE TABLE PARENT(ID INT, NAME VARCHAR, PRIMARY KEY(ID) );
> ok
MERGE INTO PARENT AS P
USING (SELECT X AS ID, 'Coco'||X AS NAME FROM SYSTEM_RANGE(1,2) ) AS S
ON (P.ID = S.ID AND 1=1 AND S.ID = P.ID)
WHEN MATCHED THEN
UPDATE SET P.NAME = S.NAME WHERE 2 = 2 WHEN NOT
MATCHED THEN
INSERT (ID, NAME) VALUES (S.ID, S.NAME);
> update count: 2
SELECT * FROM PARENT;
> ID NAME
> -- -----
> 1 Coco1
> 2 Coco2
EXPLAIN PLAN
MERGE INTO PARENT AS P
USING (SELECT X AS ID, 'Coco'||X AS NAME FROM SYSTEM_RANGE(1,2) ) AS S
ON (P.ID = S.ID AND 1=1 AND S.ID = P.ID)
WHEN MATCHED THEN
UPDATE SET P.NAME = S.NAME WHERE 2 = 2 WHEN NOT
MATCHED THEN
INSERT (ID, NAME) VALUES (S.ID, S.NAME);
> PLAN
> ---------------------------------------------------------------------------------------------------------------------------------
> MERGE INTO PUBLIC.PARENT(ID, NAME) KEY(ID) SELECT X AS ID, ('Coco' || X) AS NAME FROM SYSTEM_RANGE(1, 2) /* PUBLIC.RANGE_INDEX */
\ No newline at end of file
-- Copyright 2004-2014 H2 Group. Multiple-Licensed under the MPL 2.0,
-- and the EPL 1.0 (http://h2database.com/html/license.html).
-- Initial Developer: H2 Group
--
explain with recursive r(n) as (
(select 1) union all (select n+1 from r where n < 3)
)
select n from r;
> PLAN
> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
> WITH RECURSIVE R(N) AS ( (SELECT 1 FROM SYSTEM_RANGE(1, 1) /* PUBLIC.RANGE_INDEX */) UNION ALL (SELECT (N + 1) FROM PUBLIC.R /* PUBLIC.R.tableScan */ WHERE N < 3) ) SELECT N FROM R R /* null */
> rows: 1
select sum(n) from (
with recursive r(n) as (
(select 1) union all (select n+1 from r where n < 3)
)
select n from r
);
> SUM(N)
> ------
> 6
> rows: 1
select sum(n) from (select 0) join (
with recursive r(n) as (
(select 1) union all (select n+1 from r where n < 3)
)
select n from r
) on 1=1;
> SUM(N)
> ------
> 6
> rows: 1
select 0 from (
select 0 where 0 in (
with recursive r(n) as (
(select 1) union all (select n+1 from r where n < 3)
)
select n from r
)
);
> 0
> -
> rows: 0
with
r0(n,k) as (select -1, 0),
r1(n,k) as ((select 1, 0) union all (select n+1,k+1 from r1 where n <= 3)),
r2(n,k) as ((select 10,0) union all (select n+1,k+1 from r2 where n <= 13))
select r1.k, r0.n as N0, r1.n AS N1, r2.n AS n2 from r0 inner join r1 ON r1.k= r0.k inner join r2 ON r1.k= r2.k;
> K N0 N1 N2
> - -- -- --
> 0 -1 1 10
> rows: 1
\ No newline at end of file
......@@ -9398,49 +9398,6 @@ select 0 from ((
};
> update count: 0
explain with recursive r(n) as (
(select 1) union all (select n+1 from r where n < 3)
)
select n from r;
> PLAN
> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
> WITH RECURSIVE R(N) AS ( (SELECT 1 FROM SYSTEM_RANGE(1, 1) /* PUBLIC.RANGE_INDEX */) UNION ALL (SELECT (N + 1) FROM PUBLIC.R /* PUBLIC.R.tableScan */ WHERE N < 3) ) SELECT N FROM R R /* null */
> rows: 1
select sum(n) from (
with recursive r(n) as (
(select 1) union all (select n+1 from r where n < 3)
)
select n from r
);
> SUM(N)
> ------
> 6
> rows: 1
select sum(n) from (select 0) join (
with recursive r(n) as (
(select 1) union all (select n+1 from r where n < 3)
)
select n from r
) on 1=1;
> SUM(N)
> ------
> 6
> rows: 1
select 0 from (
select 0 where 0 in (
with recursive r(n) as (
(select 1) union all (select n+1 from r where n < 3)
)
select n from r
)
);
> 0
> -
> rows: 0
create table x(id int not null);
> ok
......
Markdown 格式
0%
您添加了 0 到此讨论。请谨慎行事。
请先完成此评论的编辑!
注册 或者 后发表评论