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https://issues.apache.org/jira/browse/ASTERIXDB-1354?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yingyi Bu reassigned ASTERIXDB-1354:
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Assignee: Yingyi Bu (was: Murtadha Hubail)
> Foreign key select error of UNION
> ---------------------------------
>
> Key: ASTERIXDB-1354
> URL: https://issues.apache.org/jira/browse/ASTERIXDB-1354
> Project: Apache AsterixDB
> Issue Type: Bug
> Components: AsterixDB
> Environment: General Environment.
> Reporter: Wenhai
> Assignee: Yingyi Bu
> Labels: patch
>
> If we set up a composite primary key (i.e. LineItem(l_orderkey,
> l_linenumber)) referring to another table (i.e. Orders(o_orderkey)), the same
> selection condition will introduce a readCount error.
> Schemas
> {noformat}
> use dataverse tpch;
> create type LineItemType as closed {
> l_orderkey: int32,
> l_partkey: int32,
> l_suppkey: int32,
> l_linenumber: int32,
> l_quantity: int32,
> l_extendedprice: double,
> l_discount: double,
> l_tax: double,
> l_returnflag: string,
> l_linestatus: string,
> l_shipdate: string,
> l_commitdate: string,
> l_receiptdate: string,
> l_shipinstruct: string,
> l_shipmode: string,
> l_comment: string
> }
> create type OrderType as closed {
> o_orderkey: int32,
> o_custkey: int32,
> o_orderstatus: string,
> o_totalprice: double,
> o_orderdate: string,
> o_orderpriority: string,
> o_clerk: string,
> o_shippriority: int32,
> o_comment: string
> }
> create dataset LineItem(LineItemType) primary key l_orderkey, l_linenumber;
> create dataset Orders(OrderType) primary key o_orderkey;
> use dataverse tpch;
> load dataset LineItem
> using localfs
> (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
> load dataset Orders
> using localfs
> (("path"="asterix_nc2://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
> {noformat}
> Query:
> {noformat}
> use dataverse tpch;
> let $l := for $r in dataset LineItem where $r.l_orderkey = 2
> return $r.l_linenumber
> let $o := for $s in dataset Orders where $s.o_orderkey =2
> return $s.o_custkey
> let $c := $l union $o
> return $c
> {noformat}
> Error:
> {noformat}
> Invalid LSM disk component readerCount: -1 [IllegalStateException]
> {noformat}
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