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[#772] Add integration tests for selecting cartesian products (several from clauses)

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This commit is contained in:
Lukas Eder 2011-08-07 09:33:55 +00:00
parent 6be542e7f5
commit 32e34aa1e6
1 changed files with 22 additions and 1 deletions
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23
jOOQ-test/src/org/jooq/test/jOOQAbstractTest.java
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@ -3733,13 +3733,16 @@ public abstract class jOOQAbstractTest<
@Test
public void testCrossJoin() throws Exception {
Result<Record> result;
// Using the CROSS JOIN clause
assertEquals(Integer.valueOf(8),
create().select(create().count())
.from(TAuthor())
.crossJoin(TBook())
.fetchOne(0));
Result<Record> result =
result =
create().select()
.from(create().select(val(1).cast(Integer.class).as("a")))
.crossJoin(TAuthor())
@ -3750,6 +3753,24 @@ public abstract class jOOQAbstractTest<
assertEquals(Integer.valueOf(1), result.getValue(0, 1));
assertEquals(Integer.valueOf(1), result.getValue(1, 0));
assertEquals(Integer.valueOf(2), result.getValue(1, 1));
// [#772] Using the FROM clause for regular cartesian products
assertEquals(Integer.valueOf(8),
create().select(create().count())
.from(TAuthor(), TBook())
.fetchOne(0));
result =
create().select()
.from(create().select(val(1).cast(Integer.class).as("a")), TAuthor())
.orderBy(TAuthor_ID())
.fetch();
assertEquals(Integer.valueOf(1), result.getValue(0, 0));
assertEquals(Integer.valueOf(1), result.getValue(0, 1));
assertEquals(Integer.valueOf(1), result.getValue(1, 0));
assertEquals(Integer.valueOf(2), result.getValue(1, 1));
}
@Test