xudong963 edited a comment on pull request #1067:
URL: https://github.com/apache/arrow-datafusion/pull/1067#issuecomment-932890819
Though the PR fix the bug mentioned by the issue, there are still some bugs.
I am confused and need help.
When I ran the `cargo test`, I found there were four tests that couldn't
pass. For example `tests::ballista_round_trip::q7`
The following is the SQL executed in `tests::ballista_round_trip::q7`
```sql
select
supp_nation,
cust_nation,
l_year,
sum(volume) as revenue
from
(
select
n1.n_name as supp_nation,
n2.n_name as cust_nation,
extract(year from l_shipdate) as l_year,
l_extendedprice * (1 - l_discount) as volume
from
supplier,
lineitem,
orders,
customer,
nation n1,
nation n2
where
s_suppkey = l_suppkey
and o_orderkey = l_orderkey
and c_custkey = o_custkey
and s_nationkey = n1.n_nationkey
and c_nationkey = n2.n_nationkey
and (
(n1.n_name = 'FRANCE' and n2.n_name = 'GERMANY')
or (n1.n_name = 'GERMANY' and n2.n_name = 'FRANCE')
)
and l_shipdate between date '1995-01-01' and date '1996-12-31'
) as shipping
group by
supp_nation,
cust_nation,
l_year
order by
supp_nation,
cust_nation,
l_year;
```
Then I printed some logs to find the potential problems.
First of all, I printed the plan at
https://github.com/apache/arrow-datafusion/blob/master/benchmarks/src/bin/tpch.rs#L1092
```
Sort: #shipping.supp_nation ASC NULLS FIRST, #shipping.cust_nation ASC NULLS
FIRST, #shipping.l_year ASC NULLS FIRST
Projection: #shipping.supp_nation, #shipping.cust_nation,
#shipping.l_year, #shipping.volume
Projection: #n1.n_name AS supp_nation, #n2.n_name AS cust_nation,
datepart(Utf8("YEAR"), #lineitem.l_shipdate) AS l_year,
#lineitem.l_extendedprice * Int64(1) - #lineitem.l_discount AS volume
Filter: #n1.n_name = Utf8("FRANCE") AND #n2.n_name = Utf8("GERMANY")
OR #n1.n_name = Utf8("GERMANY") AND #n2.n_name = Utf8("FRANCE") AND
#lineitem.l_shipdate BETWEEN CAST(Utf8("1995-01-01") AS Date32) AND
CAST(Utf8("1996-12-31") AS Date32)
Join: #customer.c_nationkey = #n2.n_nationkey
Join: #supplier.s_nationkey = #n1.n_nationkey
Join: #orders.o_custkey = #customer.c_custkey
Join: #lineitem.l_orderkey = #orders.o_orderkey
Join: #supplier.s_suppkey = #lineitem.l_suppkey
TableScan: supplier projection=None
TableScan: lineitem projection=None
TableScan: orders projection=None
TableScan: customer projection=None
TableScan: n1 projection=None
TableScan: n2 projection=None
```
It's OK?
Then I tried to find problems in
https://github.com/apache/arrow-datafusion/blob/master/benchmarks/src/bin/tpch.rs#L1094
because the test panicked at here(`Logical Plan Proto` to `Logical Plan`)
I have two questions
1. Why
https://github.com/apache/arrow-datafusion/blob/master/benchmarks/src/bin/tpch.rs#L1092
is ok and get a plan, the plan is correct?
2. Why do `Logical Plan Proto` to `Logical Plan` get errors, now I don't
know how to fix it.
PTAL and give me some help @alamb @houqp @Dandandan. Thanks very much!
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