| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| /* |
| * Test WHERE IF_MISSING(.., "missing") using right side of an outer join. |
| * 1:1 left outer join. |
| * Expect only 2 tuples in the result (x=3 and x=4 that didn't join) |
| * because t2_right.y evaluates to MISSING in those tuples, |
| * therefore IF_MISSING(.., "missing") evaluates to "missing" |
| */ |
| |
| use test; |
| |
| select * |
| from t1 t1_left left join t2 t2_right on t1_left.x = t2_right.y |
| where if_missing(t2_right.y, "missing") = "missing" |
| order by t1_left.a; |
