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Posted to dev@calcite.apache.org by "Wang Yanlin (Jira)" <ji...@apache.org> on 2019/12/04 05:58:00 UTC
[jira] [Created] (CALCITE-3561) Support using unnest in Interpreter
Wang Yanlin created CALCITE-3561:
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Summary: Support using unnest in Interpreter
Key: CALCITE-3561
URL: https://issues.apache.org/jira/browse/CALCITE-3561
Project: Calcite
Issue Type: Improvement
Reporter: Wang Yanlin
Using unnest in Interpreter will cause exception,
{code:java}
// InterpreterTest
@Test public void testInterpretUnnest() throws Exception {
final String sql = "select * from unnest(multiset[1, 2])";
sql(sql).returnsRows("[1]", "[2]");
}
{code}
got
{code:java}
java.lang.AssertionError: interpreter: no implementation for class org.apache.calcite.rel.core.Uncollect
at org.apache.calcite.interpreter.Interpreter$CompilerImpl.visit(Interpreter.java:463)
at org.apache.calcite.interpreter.Nodes$CoreCompiler.visit(Nodes.java:44)
at org.apache.calcite.rel.SingleRel.childrenAccept(SingleRel.java:72)
at org.apache.calcite.interpreter.Interpreter$CompilerImpl.visit(Interpreter.java:450)
at org.apache.calcite.interpreter.Nodes$CoreCompiler.visit(Nodes.java:44)
at org.apache.calcite.interpreter.Interpreter$CompilerImpl.visitRoot(Interpreter.java:408)
at org.apache.calcite.interpreter.Interpreter.<init>(Interpreter.java:89)
at org.apache.calcite.test.InterpreterTest$Sql.returnsRows(InterpreterTest.java:121)
at org.apache.calcite.test.InterpreterTest$Sql.returnsRows(InterpreterTest.java:105)
at org.apache.calcite.test.InterpreterTest.testInterpretUnnest(InterpreterTest.java:446)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
{code}
Add support to use unnest in Interpreter.
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