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https://issues.apache.org/jira/browse/CALCITE-2010?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Jin Xing updated CALCITE-2010:
------------------------------
Attachment: graphviz (1).svg
> Cannot plan query that is UNION ALL applied to VALUES
> -----------------------------------------------------
>
> Key: CALCITE-2010
> URL: https://issues.apache.org/jira/browse/CALCITE-2010
> Project: Calcite
> Issue Type: Bug
> Reporter: Julian Hyde
> Priority: Major
> Attachments: graphviz (1).svg
>
>
> Cannot plan query that is UNION ALL applied to VALUES. For example, in
> JdbcTest:
> {code}
> @Test public void testUnionAllValues() {
> CalciteAssert.hr()
> .query("select x, y from (values (1, 2)) as t(x, y)\n"
> + "union all\n"
> + "select a + b, a - b from (values (3, 4), (5, 6)) as u(a, b)")
> .returnsUnordered();
> }
> {code}
> gives
> {noformat}
> java.sql.SQLException: Error while executing SQL "select x, y from (values
> (1, 2)) as t(x, y)
> union all
> select a + b, a - b from (values (3, 4), (5, 6)) as u(a, b)": Node
> [rel#26:Subset#4.ENUMERABLE.[]] could not be implemented; planner state:
> Root: rel#26:Subset#4.ENUMERABLE.[]
> Original rel:
> LogicalUnion(subset=[rel#26:Subset#4.ENUMERABLE.[]], all=[true]): rowcount =
> 3.0, cumulative cost = {3.0 rows, 3.0 cpu, 0.0 io}, id = 21
> LogicalProject(subset=[rel#17:Subset#1.NONE.[]], X=[$0], Y=[$1]): rowcount
> = 1.0, cumulative cost = {1.0 rows, 2.0 cpu, 0.0 io}, id = 16
> LogicalValues(subset=[rel#15:Subset#0.NONE.[]], tuples=[[{ 1, 2 }]]):
> rowcount = 1.0, cumulative cost = {1.0 rows, 1.0 cpu, 0.0 io}, id = 1
> LogicalProject(subset=[rel#20:Subset#3.NONE.[0]], EXPR$0=[+($0, $1)],
> EXPR$1=[-($0, $1)]): rowcount = 2.0, cumulative cost = {2.0 rows, 4.0 cpu,
> 0.0 io}, id = 19
> LogicalValues(subset=[rel#18:Subset#2.NONE.[]], tuples=[[{ 3, 4 }, { 5, 6
> }]]): rowcount = 2.0, cumulative cost = {2.0 rows, 1.0 cpu, 0.0 io}, id = 4
> {noformat}
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