[jira] [Created] (DERBY-6689) Assert failure/NPE when using ROW_NUMBER in MERGE ... INSERT

["Knut Anders Hatlen (JIRA)" <ji...@apache.org>]

Knut Anders Hatlen created DERBY-6689:
-----------------------------------------

             Summary: Assert failure/NPE when using ROW_NUMBER in MERGE ... INSERT
                 Key: DERBY-6689
                 URL: https://issues.apache.org/jira/browse/DERBY-6689
             Project: Derby
          Issue Type: Bug
          Components: SQL
    Affects Versions: 10.11.1.1
            Reporter: Knut Anders Hatlen


sane build:
{noformat}
ij version 10.12
ij> connect 'jdbc:derby:memory:db;create=true';
ij> create table t1(x int);
0 rows inserted/updated/deleted
ij> create table t2(x int);
0 rows inserted/updated/deleted
ij> merge into t1 using t2 on (t1.x=t2.x) when not matched then insert values (row_number() over ());
ERROR XJ001: Java exception: 'ASSERT FAILED cannot get interface without operand: org.apache.derby.shared.common.sanity.AssertFailure'.
{noformat}

insane build:
{noformat}
ij version 10.11
ij> connect 'jdbc:derby:memory:db;create=true';
ij> create table t1(x int);
0 rows inserted/updated/deleted
ij> create table t2(x int);
0 rows inserted/updated/deleted
ij> merge into t1 using t2 on (t1.x=t2.x) when not matched then insert values (row_number() over ());
ERROR XJ001: Java exception: ': java.lang.NullPointerException'.
{noformat}

Full stack trace of the assert failure:
{noformat}
org.apache.derby.shared.common.sanity.AssertFailure: ASSERT FAILED cannot get interface without operand
	at org.apache.derby.shared.common.sanity.SanityManager.ASSERT(SanityManager.java:120)
	at org.apache.derby.impl.sql.compile.UnaryOperatorNode.getReceiverInterfaceName(UnaryOperatorNode.java:663)
	at org.apache.derby.impl.sql.compile.UnaryOperatorNode.generateExpression(UnaryOperatorNode.java:622)
	at org.apache.derby.impl.sql.compile.ResultColumn.generateExpression(ResultColumn.java:1061)
	at org.apache.derby.impl.sql.compile.ResultColumnList.generateEvaluatedRow(ResultColumnList.java:1458)
	at org.apache.derby.impl.sql.compile.MatchingClauseNode.generateInsertUpdateRow(MatchingClauseNode.java:1342)
	at org.apache.derby.impl.sql.compile.MatchingClauseNode.generate(MatchingClauseNode.java:1237)
	at org.apache.derby.impl.sql.compile.MergeNode.generate(MergeNode.java:1012)
	at org.apache.derby.impl.sql.compile.StatementNode.generate(StatementNode.java:317)
	at org.apache.derby.impl.sql.GenericStatement.prepMinion(GenericStatement.java:549)
	at org.apache.derby.impl.sql.GenericStatement.prepare(GenericStatement.java:99)
	at org.apache.derby.impl.sql.conn.GenericLanguageConnectionContext.prepareInternalStatement(GenericLanguageConnectionContext.java:1114)
	at org.apache.derby.impl.jdbc.EmbedStatement.execute(EmbedStatement.java:683)
	at org.apache.derby.impl.jdbc.EmbedStatement.execute(EmbedStatement.java:631)
	at org.apache.derby.impl.tools.ij.ij.executeImmediate(ij.java:367)
	at org.apache.derby.impl.tools.ij.utilMain.doCatch(utilMain.java:529)
	at org.apache.derby.impl.tools.ij.utilMain.runScriptGuts(utilMain.java:371)
	at org.apache.derby.impl.tools.ij.utilMain.go(utilMain.java:247)
	at org.apache.derby.impl.tools.ij.Main.go(Main.java:229)
	at org.apache.derby.impl.tools.ij.Main.mainCore(Main.java:184)
	at org.apache.derby.impl.tools.ij.Main.main(Main.java:75)
	at org.apache.derby.tools.ij.main(ij.java:59)
{noformat}



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