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Posted to notifications@asterixdb.apache.org by "Pouria (JIRA)" <ji...@apache.org> on 2016/11/03 06:39:58 UTC
[jira] [Created] (ASTERIXDB-1727) Adding grouping hint breaks the
query
Pouria created ASTERIXDB-1727:
---------------------------------
Summary: Adding grouping hint breaks the query
Key: ASTERIXDB-1727
URL: https://issues.apache.org/jira/browse/ASTERIXDB-1727
Project: Apache AsterixDB
Issue Type: Bug
Reporter: Pouria
Assignee: Yingyi Bu
The following query works fine with hint. Adding a hint to use hash-based group-by breaks it with the following error:
{noformat}
Variable $$43 could not be found in any input schema. [AlgebricksException]
{noformat}
Here is the query:
{noformat}
let $customer := {{ {"cid" : 1}, {"cid" : 2} }}
let $orders := {{
{"oid": 100,
"ocid" : 1,
"priority" : 10,
"class" : "A",
"items" : [{"price" : 1000}, { "price" : 2000}]
},
{"oid": 200,
"ocid" : 2,
"priority" : 20,
"class" : "A",
"items" : [{"price" : 2000}, {"price" : 3000}]
}
}}
for $c in $customer
for $o in $orders
where
$c.cid = $o.ocid
for $i in $o.items
/*+ hash*/
group by $o_orderid := $o.oid, $o_class := $o.class, $o_priority := $o.priority
with $i
let $price := sum (
for $t in $i
return
$t.price
)
order by $price desc, $o_class
return {
"o_orderkey": $o_orderid,
"price": $price,
"o_class": $o_class,
"o_priority": $o_priority
}
{noformat}
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