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feat: support CORRESPONDING specification in set operations #17891

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merged 12 commits into from
Aug 7, 2024
Merged

feat: support CORRESPONDING specification in set operations #17891

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yuhao-su Jul 22, 2024
45d6584
fix
yuhao-su Aug 1, 2024
8c1ccfc
fix
yuhao-su Aug 1, 2024
5909068
fix doc
yuhao-su Aug 1, 2024
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test
yuhao-su Aug 1, 2024
0346260
fix display
yuhao-su Aug 1, 2024
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error msg
yuhao-su Aug 6, 2024
960a1f1
improve err msg
yuhao-su Aug 6, 2024
e8b5cc2
fix
yuhao-su Aug 7, 2024
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error msg
yuhao-su Aug 7, 2024
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Merge branch 'main' of github.com:singularity-data/risingwave into yu…
yuhao-su Aug 7, 2024
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70 changes: 58 additions & 12 deletions e2e_test/batch/basic/union.slt.part
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Original file line number Diff line number Diff line change
Expand Up @@ -2,33 +2,33 @@ statement ok
SET RW_IMPLICIT_FLUSH TO true;

statement ok
create table t1 (v1 int, v2 bigint);
create table t1 (v1 int, v2 bigint, v4 int);

statement ok
create table t2 (v1 int, v3 int);
create table t2 (v1 int, v3 int, v4 int);

statement ok
insert into t1 values(1, 2);
insert into t1 values(1, 2, 3);

statement ok
insert into t2 values(1, 2);
insert into t2 values(1, 2, 3);

query II
query III
select * from t1 union select * from t2
----
1 2
1 2 3

query II
query III
select * from t1 union all select * from t2
----
1 2
1 2
1 2 3
1 2 3

query II
query III
select * from t1 union all select * from t2 order by v1
----
1 2
1 2
1 2 3
1 2 3

statement error
select * from t1 union all select * from t2 order by v1 + 1
Expand Down Expand Up @@ -69,9 +69,55 @@ NULL
statement error
select null union all select null select union 1

query II
select * from t1 union all corresponding select * from t2 order by v1
----
1 3
1 3

query II
select * from t1 union corresponding select v4, v3 as v1 from t2 order by v1
----
1 3
2 3

query II
select * from t1 union all corresponding by (v4, v1) select * from t2
----
3 1
3 1

query II
select * from t1 union corresponding by (v4) select * from t2
----
3

statement error
select * from t1 union corresponding by (vxx) select * from t2
----
db error: ERROR: Failed to run the query

Caused by:
Invalid input syntax: Every column name in the corresponding column list shall be a column name of both left and right side query in a UNION operation. Column name `vxx` in the corresponding column list is not found in a query column list: ("v1", "v2", "v4").
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statement ok
create table txx (vxx int);

statement error
select * from t1 union corresponding select * from txx
----
db error: ERROR: Failed to run the query

Caused by:
Invalid input syntax: When CORRESPONDING is specified, at least one column of the left side shall have a column name that is the column name of some column of the right side in a UNION operation. Left side query column list: ("v1", "v2", "v4"). Right side query column list: ("vxx").
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@yuhao-su yuhao-su Aug 7, 2024 •
edited
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@xxchan should remove the column list of this too?

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You can decide it :)

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I'll keep this considering it can be fairly difficult to identify the faulty query without any information.



statement ok
drop table t1;

statement ok
drop table t2;

statement ok
drop table txx;
110 changes: 91 additions & 19 deletions e2e_test/streaming/union.slt
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Original file line number Diff line number Diff line change
Expand Up @@ -2,17 +2,23 @@ statement ok
SET RW_IMPLICIT_FLUSH TO true;

statement ok
create table t1 (v1 int, v2 int);
create table t1 (v1 int, v2 int, v4 int);

statement ok
create table t2 (v1 int, v3 int);
create table t2 (v1 int, v3 int, v4 int);

statement ok
create materialized view v as select * from t1 union all select * from t2;

statement ok
create materialized view v2 as select * from t1 union select * from t2;

statement ok
create materialized view v3 as select * from t1 union all corresponding select * from t2;

statement ok
create materialized view v4 as select * from t1 union corresponding by (v4, v1) select * from t2;

query II
select * from v;
----
Expand All @@ -22,64 +28,130 @@ select * from v2;
----

statement ok
insert into t1 values(1, 2);
insert into t1 values(1, 2, 3);

query II
query III
select * from v;
----
1 2
1 2 3

query II
query III
select * from v2;
----
1 2
1 2 3

query II
select * from v3;
----
1 3

query II
select * from v4;
----
3 1

statement ok
insert into t2 values(1, 2);
insert into t2 values(1, 2, 3);


query II
query III
select * from v;
----
1 2
1 2
1 2 3
1 2 3

query II
query III
select * from v2;
----
1 2
1 2 3

query II
select * from v3;
----
1 3
1 3

query II
select * from v4;
----
3 1

statement ok
delete from t1 where v1 = 1;

query II
query III
select * from v;
----
1 2
1 2 3

query II
query III
select * from v2;
----
1 2
1 2 3

query II
select * from v3;
----
1 3

query II
select * from v4;
----
3 1

statement ok
delete from t2 where v1 = 1;

query II
query III
select * from v;
----

query II
query III
select * from v2;
----

query II
select * from v3;
----

query II
select * from v4;
----


statement ok
drop materialized view v;

statement ok
drop materialized view v2;

statement ok
drop materialized view v3;

statement ok
drop materialized view v4;

statement error
create materialized view v5 as select * from t1 union corresponding by (vxx, v1) select * from t2
----
db error: ERROR: Failed to run the query

Caused by:
Invalid input syntax: Every column name in the corresponding column list shall be a column name of both left and right side query in a UNION operation. Column name `vxx` in the corresponding column list is not found in a query column list: ("v1", "v2", "v4").


statement ok
create table txx (vxx int);

statement error
create materialized view v5 as select * from t1 union corresponding select * from txx
----
db error: ERROR: Failed to run the query

Caused by:
Invalid input syntax: When CORRESPONDING is specified, at least one column of the left side shall have a column name that is the column name of some column of the right side in a UNION operation. Left side query column list: ("v1", "v2", "v4"). Right side query column list: ("vxx").


statement ok
drop table t1;

Expand Down
8 changes: 8 additions & 0 deletions src/common/src/catalog/schema.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -197,6 +197,14 @@ impl Schema {
true
}
}

pub fn formatted_col_names(&self) -> String {
self.fields
.iter()
.map(|f| format!("\"{}\"", &f.name))
.collect::<Vec<_>>()
.join(", ")
}
}

impl Field {
Expand Down
28 changes: 28 additions & 0 deletions src/frontend/planner_test/tests/testdata/input/union.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -95,3 +95,31 @@
select * from t1 union all select * from t2 union all select * from t3 union all select * from t4 union all select * from t5;
expected_outputs:
- stream_dist_plan

- name: test corresponding union
sql: |
create table t1 (a int, b numeric, c bigint);
create table t2 (a int, b numeric, y bigint);
create table t3 (x int, b numeric, c bigint);
select * from t1 union corresponding select * from t2 union all corresponding by (b) select * from t3;
expected_outputs:
- batch_plan
- stream_plan
- stream_dist_plan

- name: test corresponding union error - corresponding list
sql: |
create table t1 (a int, b numeric, c bigint);
create table t2 (a int, b numeric, y bigint);
create table t3 (x int, b numeric, c bigint);
select * from t1 union corresponding select * from t2 union all corresponding by (c) select * from t3;
expected_outputs:
- binder_error

- name: test corresponding union error - duplicate names
sql: |
create table t1 (a int, b numeric, c bigint);
create table t2 (a int, b numeric, y bigint);
select a, b as a from t1 union corresponding select * from t2;
expected_outputs:
- binder_error
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