[DERBY-3253] NullPointer Exception (NPE) from query with IN predicate containing two values and joining a view with a large table. ERROR 38000: The exception 'java.lang.NullPointerException' was thrown while evaluating an expression.

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 10.3.1.4, 10.3.2.1, 10.4.1.3
• Fix Version/s: 10.3.3.0, 10.4.1.3
• Component/s: SQL
• Bug behavior facts: Regression
• Assignee: A B
• Reporter: Sun Seng David Tan
• Created: 05/Dec/07 02:18
• Updated: 30/Jun/09 15:55
• Resolved: 19/Dec/07 17:04

Description

With a single value in the IN clause the query does not fail.
> Run the following query in the attached database (v 10.3 db).

SELECT A.TIMESTAMP, B.F_NAMEADDR, B.TOTAL_F,
B.TOTAL_FS, B.TOTAL_FT, B.TOTAL_FX
FROM TIME A, THE_VIEW B
WHERE B.T_ID = A.T_ID AND B.F_NAMEADDR IN ('one.two.three.oscar','one.two.three.kathy')
ORDER BY A.TIMESTAMP ASC;

> result

ERROR 38000: The exception 'java.lang.NullPointerException' was thrown while evaluating an expression.
ERROR XJ001: Java exception: ': java.lang.NullPointerException'.

Stack trace:
Failed Statement is: SELECT A.TIMESTAMP, B.F_NAMEADDR, B.TOTAL_F,
B.TOTAL_FS, B.TOTAL_FT, B.TOTAL_FX
FROM TIME A, THE_VIEW B
WHERE B.T_ID = A.T_ID AND B.F_NAMEADDR IN ('one.two.three.oscar','one.two.three.kathy')
ORDER BY A.TIMESTAMP ASC
ERROR 38000: The exception 'java.lang.NullPointerException' was thrown while evaluating an expression.
at org.apache.derby.iapi.error.StandardException.newException(Unknown Source)
at org.apache.derby.iapi.error.StandardException.unexpectedUserException(Unknown Source)
at org.apache.derby.impl.services.reflect.DirectCall.invoke(Unknown Source)
at org.apache.derby.impl.sql.execute.ProjectRestrictResultSet.getNextRowCore(Unknown Source)
at org.apache.derby.impl.sql.execute.NestedLoopJoinResultSet.getNextRowCore(Unknown Source)
at org.apache.derby.impl.sql.execute.ProjectRestrictResultSet.getNextRowCore(Unknown Source)
at org.apache.derby.impl.sql.execute.SortResultSet.getRowFromResultSet(Unknown Source)
at org.apache.derby.impl.sql.execute.SortResultSet.getNextRowFromRS(Unknown Source)
at org.apache.derby.impl.sql.execute.SortResultSet.loadSorter(Unknown Source)
at org.apache.derby.impl.sql.execute.SortResultSet.openCore(Unknown Source)
at org.apache.derby.impl.sql.execute.BasicNoPutResultSetImpl.open(Unknown Source)
at org.apache.derby.impl.sql.GenericPreparedStatement.execute(Unknown Source)
at org.apache.derby.impl.jdbc.EmbedStatement.executeStatement(Unknown Source)
at org.apache.derby.impl.jdbc.EmbedStatement.execute(Unknown Source)
at org.apache.derby.impl.jdbc.EmbedStatement.execute(Unknown Source)
at org.apache.derby.impl.tools.ij.ij.executeImmediate(Unknown Source)
at org.apache.derby.impl.tools.ij.utilMain.doCatch(Unknown Source)
at org.apache.derby.impl.tools.ij.utilMain.runScriptGuts(Unknown Source)
at org.apache.derby.impl.tools.ij.utilMain.go(Unknown Source)
at org.apache.derby.impl.tools.ij.Main.go(Unknown Source)
at org.apache.derby.impl.tools.ij.Main.mainCore(Unknown Source)
at org.apache.derby.impl.tools.ij.Main14.main(Unknown Source)
at org.apache.derby.tools.ij.main(Unknown Source)
Caused by: java.lang.NullPointerException
at org.apache.derby.exe.ac601a400fx0116xa813xc2f7x00000010a3602.e8(Unknown Source)
... 21 more
============= begin nested exception, level (1) ===========
java.lang.NullPointerException
at org.apache.derby.exe.ac601a400fx0116xa813xc2f7x00000010a3602.e8(Unknown Source)
at org.apache.derby.impl.services.reflect.DirectCall.invoke(Unknown Source)
at org.apache.derby.impl.sql.execute.ProjectRestrictResultSet.getNextRowCore(Unknown Source)
at org.apache.derby.impl.sql.execute.NestedLoopJoinResultSet.getNextRowCore(Unknown Source)
at org.apache.derby.impl.sql.execute.ProjectRestrictResultSet.getNextRowCore(Unknown Source)
at org.apache.derby.impl.sql.execute.SortResultSet.getRowFromResultSet(Unknown Source)
at org.apache.derby.impl.sql.execute.SortResultSet.getNextRowFromRS(Unknown Source)
at org.apache.derby.impl.sql.execute.SortResultSet.loadSorter(Unknown Source)
at org.apache.derby.impl.sql.execute.SortResultSet.openCore(Unknown Source)
at org.apache.derby.impl.sql.execute.BasicNoPutResultSetImpl.open(Unknown Source)
at org.apache.derby.impl.sql.GenericPreparedStatement.execute(Unknown Source)
at org.apache.derby.impl.jdbc.EmbedStatement.executeStatement(Unknown Source)
at org.apache.derby.impl.jdbc.EmbedStatement.execute(Unknown Source)
at org.apache.derby.impl.jdbc.EmbedStatement.execute(Unknown Source)
at org.apache.derby.impl.tools.ij.ij.executeImmediate(Unknown Source)
at org.apache.derby.impl.tools.ij.utilMain.doCatch(Unknown Source)
at org.apache.derby.impl.tools.ij.utilMain.runScriptGuts(Unknown Source)
at org.apache.derby.impl.tools.ij.utilMain.go(Unknown Source)
at org.apache.derby.impl.tools.ij.Main.go(Unknown Source)
at org.apache.derby.impl.tools.ij.Main.mainCore(Unknown Source)
at org.apache.derby.impl.tools.ij.Main14.main(Unknown Source)
at org.apache.derby.tools.ij.main(Unknown Source)
============= end nested exception, level (1) ===========

Schema info:

CREATE TABLE TIME ("T_ID" BIGINT NOT NULL, "TIMESTAMP" TIMESTAMP NOT NULL, "DAY" INTEGER NOT NULL, "WEEK" INTEGER NOT NULL, "MONTH" INTEGER NOT NULL, "YEAR_COL" INTEGER NOT NULL);

CREATE TABLE F ("F_ID" BIGINT NOT NULL, "T_ID" BIGINT NOT NULL, "F_NAMEADDR" VARCHAR(250) NOT NULL, "TOTAL_F" BIGINT NOT NULL, "TOTAL_FS" BIGINT NOT NULL, "TOTAL_FT" BIGINT NOT NULL, "TOTAL_FX" BIGINT NOT NULL);

CREATE VIEW the_view AS SELECT T.T_ID AS T_ID , T.F_NAMEADDR AS F_NAMEADDR,
T.TOTAL_F AS TOTAL_F, T.TOTAL_FS AS TOTAL_FS, T.TOTAL_FT AS TOTAL_FT , T.TOTAL_FX AS TOTAL_FX
FROM F AS T
WHERE T.T_ID = (SELECT MAX(T_ID) FROM F);

Issue Links

• is duplicated by: DERBY-3464 NPE is seemingly simple query
• is related to: DERBY-47 Some possible improvements to IN optimization