/** Test inserts using KeyRange query */
@Test
public void testKeyRangeWrites() throws Exception {
Random random = new Random();
VtGate vtgate = VtGate.connect("localhost:" + testEnv.port, 0);
vtgate.begin();
String sql =
"insert into vtgate_test "
+ "(id, name, keyspace_id, age) "
+ "values (:id, :name, :keyspace_id, :age)";
int count = 20;
// Insert 20 rows per shard
for (String shardName : testEnv.shardKidMap.keySet()) {
List<KeyspaceId> kids = testEnv.getKeyspaceIds(shardName);
KeyspaceId minKid = Collections.min(kids);
KeyspaceId maxKid = Collections.max(kids);
KeyRange kr = new KeyRange(minKid, maxKid);
for (int i = 0; i < count; i++) {
KeyspaceId kid = kids.get(i % kids.size());
Query query =
new QueryBuilder(sql, testEnv.keyspace, "master")
.addBindVar(
BindVariable.forULong(
"id", UnsignedLong.valueOf("" + Math.abs(random.nextInt()))))
.addBindVar(BindVariable.forString("name", ("name_" + i)))
.addBindVar(BindVariable.forULong("keyspace_id", (UnsignedLong) kid.getId()))
.addBindVar(BindVariable.forNull("age"))
.addKeyRange(kr)
.build();
vtgate.execute(query);
}
}
vtgate.commit();
vtgate.close();
// Check 40 rows exist in total
vtgate = VtGate.connect("localhost:" + testEnv.port, 0);
String selectSql = "select * from vtgate_test";
Query allRowsQuery =
new QueryBuilder(selectSql, testEnv.keyspace, "master")
.setKeyspaceIds(testEnv.getAllKeyspaceIds())
.build();
Cursor cursor = vtgate.execute(allRowsQuery);
Assert.assertEquals(count * 2, cursor.getRowsAffected());
// Check 20 rows exist per shard
for (String shardName : testEnv.shardKidMap.keySet()) {
Query shardRows =
new QueryBuilder(selectSql, testEnv.keyspace, "master")
.setKeyspaceIds(testEnv.getKeyspaceIds(shardName))
.build();
cursor = vtgate.execute(shardRows);
Assert.assertEquals(count, cursor.getRowsAffected());
}
vtgate.close();
}
@Test
public void testBatchExecuteKeyspaceIds() throws Exception {
int rowsPerShard = 5;
for (String shardName : testEnv.shardKidMap.keySet()) {
Util.insertRowsInShard(testEnv, shardName, rowsPerShard);
}
VtGate vtgate = VtGate.connect("localhost:" + testEnv.port, 0);
BatchQuery query =
new BatchQueryBuilder(testEnv.keyspace, "master")
.addSqlAndBindVars("select * from vtgate_test where id = 3", null)
.addSqlAndBindVars(
"select * from vtgate_test where id = :id",
Lists.newArrayList(BindVariable.forULong("id", UnsignedLong.valueOf("4"))))
.withKeyspaceIds(testEnv.getAllKeyspaceIds())
.build();
List<Long> expected = Lists.newArrayList(3L, 3L, 4L, 4L);
List<Cursor> cursors = vtgate.execute(query);
List<Long> actual = new ArrayList<>();
for (Cursor cursor : cursors) {
for (Row row : cursor) {
actual.add(row.getULong("id").longValue());
}
}
Assert.assertTrue(expected.equals(actual));
vtgate.close();
}