INSERT from SELECT DISTINCT gives assertFailure (sane), or NPE (insane) in
presence of generated columns
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Key: DERBY-4413
URL: https://issues.apache.org/jira/browse/DERBY-4413
Project: Derby
Issue Type: Bug
Components: SQL
Affects Versions: 10.5.3.0
Reporter: Dag H. Wanvik
When a generated column is present in a table, an INSERT DISTINCT fail:
Repro:
create table t(i integer,
j integer not null generated always as (i*66));
insert into t(i) values 1,2;
insert into t(i) select distinct i from t;
In an insane build we see this assertFailure:
ij version 10.5
ij> connect 'jdbc:derby:wombat2;create=true';
ij> create table t(i integer,
j integer not null generated always as (i*66));
0 rows inserted/updated/deleted
ij> insert into t(i) values 1,2;
2 rows inserted/updated/deleted
ij> insert into t(i) select distinct i from t;
ERROR XJ001: Java exception: 'ASSERT FAILED col[1] is null:
org.apache.derby.shared.common.sanity.AssertFailure'.
java.sql.SQLException: Java exception: 'ASSERT FAILED col[1] is null:
org.apache.derby.shared.common.sanity.AssertFailure'.
at
org.apache.derby.impl.jdbc.SQLExceptionFactory40.getSQLException(SQLExceptionFactory40.java:95)
at org.apache.derby.impl.jdbc.Util.newEmbedSQLException(Util.java:87)
at org.apache.derby.impl.jdbc.Util.javaException(Util.java:244)
at
org.apache.derby.impl.jdbc.TransactionResourceImpl.wrapInSQLException(TransactionResourceImpl.java:403)
at
org.apache.derby.impl.jdbc.TransactionResourceImpl.handleException(TransactionResourceImpl.java:346)
at
org.apache.derby.impl.jdbc.EmbedConnection.handleException(EmbedConnection.java:2201)
at
org.apache.derby.impl.jdbc.ConnectionChild.handleException(ConnectionChild.java:81)
at
org.apache.derby.impl.jdbc.EmbedStatement.executeStatement(EmbedStatement.java:1323)
at
org.apache.derby.impl.jdbc.EmbedStatement.execute(EmbedStatement.java:625)
at
org.apache.derby.impl.jdbc.EmbedStatement.execute(EmbedStatement.java:555)
at org.apache.derby.impl.tools.ij.ij.executeImmediate(ij.java:329)
at org.apache.derby.impl.tools.ij.utilMain.doCatch(utilMain.java:505)
at
org.apache.derby.impl.tools.ij.utilMain.runScriptGuts(utilMain.java:347)
at org.apache.derby.impl.tools.ij.utilMain.go(utilMain.java:245)
at org.apache.derby.impl.tools.ij.Main.go(Main.java:217)
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)
at org.apache.derby.iapi.tools.run.main(run.java:53)
Caused by: java.sql.SQLException: Java exception: 'ASSERT FAILED col[1] is
null: org.apache.derby.shared.common.sanity.AssertFailure'.
at
org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(SQLExceptionFactory.java:45)
at
org.apache.derby.impl.jdbc.SQLExceptionFactory40.wrapArgsForTransportAcrossDRDA(SQLExceptionFactory40.java:119)
at
org.apache.derby.impl.jdbc.SQLExceptionFactory40.getSQLException(SQLExceptionFactory40.java:70)
... 18 more
Caused by: org.apache.derby.shared.common.sanity.AssertFailure: ASSERT FAILED
col[1] is null
at
org.apache.derby.shared.common.sanity.SanityManager.THROWASSERT(SanityManager.java:162)
at
org.apache.derby.shared.common.sanity.SanityManager.THROWASSERT(SanityManager.java:147)
at
org.apache.derby.impl.store.access.sort.MergeSort.checkColumnTypes(MergeSort.java:458)
at
org.apache.derby.impl.store.access.sort.MergeInserter.insert(MergeInserter.java:98)
at
org.apache.derby.impl.sql.execute.SortResultSet.loadSorter(SortResultSet.java:317)
at
org.apache.derby.impl.sql.execute.SortResultSet.openCore(SortResultSet.java:268)
at
org.apache.derby.impl.sql.execute.NormalizeResultSet.openCore(NormalizeResultSet.java:139)
at
org.apache.derby.impl.sql.execute.InsertResultSet.open(InsertResultSet.java:415)
at
org.apache.derby.impl.sql.GenericPreparedStatement.executeStmt(GenericPreparedStatement.java:416)
at
org.apache.derby.impl.sql.GenericPreparedStatement.execute(GenericPreparedStatement.java:297)
at
org.apache.derby.impl.jdbc.EmbedStatement.executeStatement(EmbedStatement.java:1235)
... 11 more
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