Vignesh Raghunathan created ASTERIXDB-1571:
----------------------------------------------
Summary: Subquery in from clause throws NullPointerException
Key: ASTERIXDB-1571
URL: https://issues.apache.org/jira/browse/ASTERIXDB-1571
Project: Apache AsterixDB
Issue Type: Bug
Environment: Master branch with latest commit id:
bd3a535b171a5cc7486175
Reporter: Vignesh Raghunathan
To reproduce the issue, run the following sqlpp statements
{code}
drop dataset samptable if exists;
drop type samptabletype if exists;
create type samptabletype as closed {
id: int8
};
create dataset samptable(samptabletype) primary key id;
insert into samptable ({'id' : 0});
insert into samptable ({'id' : 1});
select *
from
(
select * from jointable
)
{code}
Result:
{code}
Aug 12, 2016 1:57:08 PM org.apache.asterix.api.http.servlet.APIServlet doPost
SEVERE: null
java.lang.NullPointerException
at
org.apache.asterix.lang.sqlpp.visitor.SqlppFormatPrintVisitor.visit(SqlppFormatPrintVisitor.java:130)
at
org.apache.asterix.lang.sqlpp.visitor.SqlppFormatPrintVisitor.visit(SqlppFormatPrintVisitor.java:1)
at
org.apache.asterix.lang.sqlpp.clause.Projection.accept(Projection.java:45)
at
org.apache.asterix.lang.sqlpp.visitor.SqlppFormatPrintVisitor.visit(SqlppFormatPrintVisitor.java:193)
at
org.apache.asterix.lang.sqlpp.visitor.SqlppFormatPrintVisitor.visit(SqlppFormatPrintVisitor.java:1)
at
org.apache.asterix.lang.sqlpp.clause.SelectRegular.accept(SelectRegular.java:40)
at
org.apache.asterix.lang.sqlpp.visitor.SqlppFormatPrintVisitor.visit(SqlppFormatPrintVisitor.java:169)
at
org.apache.asterix.lang.sqlpp.visitor.SqlppFormatPrintVisitor.visit(SqlppFormatPrintVisitor.java:1)
at
org.apache.asterix.lang.sqlpp.clause.SelectClause.accept(SelectClause.java:42)
at
org.apache.asterix.lang.sqlpp.visitor.SqlppFormatPrintVisitor.visit(SqlppFormatPrintVisitor.java:140)
at
org.apache.asterix.lang.sqlpp.visitor.SqlppFormatPrintVisitor.visit(SqlppFormatPrintVisitor.java:1)
at
org.apache.asterix.lang.sqlpp.struct.SetOperationInput.accept(SetOperationInput.java:56)
at
org.apache.asterix.lang.sqlpp.visitor.SqlppFormatPrintVisitor.visit(SqlppFormatPrintVisitor.java:201)
at
org.apache.asterix.lang.sqlpp.visitor.SqlppFormatPrintVisitor.visit(SqlppFormatPrintVisitor.java:1)
at
org.apache.asterix.lang.sqlpp.clause.SelectSetOperation.accept(SelectSetOperation.java:47)
at
org.apache.asterix.lang.sqlpp.visitor.SqlppFormatPrintVisitor.visit(SqlppFormatPrintVisitor.java:223)
at
org.apache.asterix.lang.sqlpp.visitor.SqlppFormatPrintVisitor.visit(SqlppFormatPrintVisitor.java:1)
at
org.apache.asterix.lang.sqlpp.expression.SelectExpression.accept(SelectExpression.java:55)
at
org.apache.asterix.lang.sqlpp.util.SqlppFormatPrintUtil.toString(SqlppFormatPrintUtil.java:90)
at
org.apache.asterix.lang.sqlpp.util.SqlppFormatPrintUtil.toString(SqlppFormatPrintUtil.java:76)
at
org.apache.asterix.lang.sqlpp.util.ExpressionToVariableUtil.getGeneratedIdentifier(ExpressionToVariableUtil.java:48)
at
org.apache.asterix.lang.sqlpp.util.ExpressionToVariableUtil.getGeneratedVariable(ExpressionToVariableUtil.java:91)
at
org.apache.asterix.lang.sqlpp.parser.SQLPPParser.FromTerm(SQLPPParser.java:3767)
at
org.apache.asterix.lang.sqlpp.parser.SQLPPParser.FromClause(SQLPPParser.java:3674)
at
org.apache.asterix.lang.sqlpp.parser.SQLPPParser.SelectBlock(SQLPPParser.java:3342)
at
org.apache.asterix.lang.sqlpp.parser.SQLPPParser.SelectSetOperation(SQLPPParser.java:3255)
at
org.apache.asterix.lang.sqlpp.parser.SQLPPParser.SelectExpression(SQLPPParser.java:3226)
at
org.apache.asterix.lang.sqlpp.parser.SQLPPParser.Query(SQLPPParser.java:2176)
at
org.apache.asterix.lang.sqlpp.parser.SQLPPParser.SingleStatement(SQLPPParser.java:414)
at
org.apache.asterix.lang.sqlpp.parser.SQLPPParser.Statement(SQLPPParser.java:325)
at
org.apache.asterix.lang.sqlpp.parser.SQLPPParser.parse(SQLPPParser.java:260)
at
org.apache.asterix.api.http.servlet.APIServlet.doPost(APIServlet.java:119)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
at
org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:845)
at
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:583)
at
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:224)
at
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1180)
at
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:511)
at
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
at
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1112)
at
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
at
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134)
at org.eclipse.jetty.server.Server.handle(Server.java:524)
at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:319)
at
org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:253)
at
org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:273)
at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:95)
at
org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:93)
at
org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:303)
at
org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
at
org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
at
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
at
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
at java.lang.Thread.run(Thread.java:745)
{code}
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