[jira] Commented: (DERBY-1706) NullPointerException occurs when trying to create a table in schema SESSION
[ http://issues.apache.org/jira/browse/DERBY-1706?page=comments#action_12435704 ] Mamta A. Satoor commented on DERBY-1706: Suresh, to answer your question Why is it necessary to allow users to create a non-temporary tables in the session schema , when the schema is not created explicitly ? I think it may have to do with the usability. Let me take the following generic eg connect 'jdbc:derby:c:/dellater/dbmaintest2;create=true' user 'mamta1' as mamta1; select * from sys.syschemas; -- this will not show *mamta1* as one of the schemas create table t1(c11 int); -- the creation of first user-defined object will implicitly create the schema *mamta1* select * from sys.syschemas; -- this will *now* show *mamta1* as one of the schemas I think to avoid the confusion with the usability in case of temporary table and non-temporary tables, Derby chose to provide the same behavior for the 2 table types in session schema ie you can create either of the table types in session schema w/o first having to manually create the session schema. This behavior also matches the generic eg given above So, extending the eg above for session schema to show Derby's current behavior connect 'jdbc:derby:c:/dellater/dbmaintest2;create=true' user 'mamta1' as mamta1; select * from sys.syschemas; -- this will not show *session* schema as one of the schemas set schema session; select * from sys.syschemas; -- still will not show *session* schema as one of the schemas create table t1(c11 int); -- the creation of first user-defined table will implicitly create the schema *session* select * from sys.syschemas; -- this will *now* show *session* as one of the schemas NullPointerException occurs when trying to create a table in schema SESSION --- Key: DERBY-1706 URL: http://issues.apache.org/jira/browse/DERBY-1706 Project: Derby Issue Type: Bug Components: SQL Affects Versions: 10.2.1.0 Environment: Sun JDK 1.4.2 Reporter: Yip Ng Assigned To: Mamta A. Satoor Priority: Minor Fix For: 10.2.1.0, 10.3.0.0 Attachments: DERBY1706NPEwithSessionSchemaV1diff.txt, DERBY1706NPEwithSessionSchemaV2diff.txt, DERBY1706NPEwithSessionSchemaV3diff.txt NPE occurs when attempting to create a table in schema session: ij version 10.2 ij connect 'jdbc:derby:wombat;create=true' user 'user1'; WARNING 01J14: SQL authorization is being used without first enabling authentica tion. ij set schema session; 0 rows inserted/updated/deleted ij create table t1 (i int); ERROR XJ001: Java exception: ': java.lang.NullPointerException'. derby.log: 2006-08-16 20:49:02.765 GMT: Booting Derby version The Apache Software Foundation - Apache Derby - 10.2.1.0 beta - (430903): instance c013800d-010d-18be-88cf-0013f010 on database directory C:\work3\derby\tests\derby-10.2.1.0\lib\wombat Database Class Loader started - derby.database.classpath='' 2006-08-16 20:49:17.312 GMT Thread[main,5,main] (XID = 122), (SESSIONID = 0), (DATABASE = wombat), (DRDAID = null), Cleanup action starting 2006-08-16 20:49:17.312 GMT Thread[main,5,main] (XID = 122), (SESSIONID = 0), (DATABASE = wombat), (DRDAID = null), Failed Statement is: create table t1 (i int) java.lang.NullPointerException at org.apache.derby.impl.sql.compile.QueryTreeNode.getSchemaDescriptor(Unknown Source) at org.apache.derby.impl.sql.compile.DDLStatementNode.getSchemaDescriptor(Unknown Source) at org.apache.derby.impl.sql.compile.DDLStatementNode.getSchemaDescriptor(Unknown Source) at org.apache.derby.impl.sql.compile.CreateTableNode.referencesSessionSchema(Unknown Source) at org.apache.derby.impl.sql.GenericPreparedStatement.referencesSessionSchema(Unknown Source) at org.apache.derby.impl.sql.GenericStatement.prepMinion(Unknown Source) at org.apache.derby.impl.sql.GenericStatement.prepare(Unknown Source) at org.apache.derby.impl.sql.conn.GenericLanguageConnectionContext.prepareInternalStatement(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
[jira] Commented: (DERBY-1706) NullPointerException occurs when trying to create a table in schema SESSION
[ http://issues.apache.org/jira/browse/DERBY-1706?page=comments#action_12435075 ] Suresh Thalamati commented on DERBY-1706: - Hi Mamta, just a general question: Why is it necessary to allow users to create a non-temporary tables in the session schema , when the schema is not created explicitly ? Thanks -suresh NullPointerException occurs when trying to create a table in schema SESSION --- Key: DERBY-1706 URL: http://issues.apache.org/jira/browse/DERBY-1706 Project: Derby Issue Type: Bug Components: SQL Affects Versions: 10.2.1.0 Environment: Sun JDK 1.4.2 Reporter: Yip Ng Assigned To: Mamta A. Satoor Priority: Minor Attachments: DERBY1706NPEwithSessionSchemaV1diff.txt, DERBY1706NPEwithSessionSchemaV2diff.txt, DERBY1706NPEwithSessionSchemaV3diff.txt NPE occurs when attempting to create a table in schema session: ij version 10.2 ij connect 'jdbc:derby:wombat;create=true' user 'user1'; WARNING 01J14: SQL authorization is being used without first enabling authentica tion. ij set schema session; 0 rows inserted/updated/deleted ij create table t1 (i int); ERROR XJ001: Java exception: ': java.lang.NullPointerException'. derby.log: 2006-08-16 20:49:02.765 GMT: Booting Derby version The Apache Software Foundation - Apache Derby - 10.2.1.0 beta - (430903): instance c013800d-010d-18be-88cf-0013f010 on database directory C:\work3\derby\tests\derby-10.2.1.0\lib\wombat Database Class Loader started - derby.database.classpath='' 2006-08-16 20:49:17.312 GMT Thread[main,5,main] (XID = 122), (SESSIONID = 0), (DATABASE = wombat), (DRDAID = null), Cleanup action starting 2006-08-16 20:49:17.312 GMT Thread[main,5,main] (XID = 122), (SESSIONID = 0), (DATABASE = wombat), (DRDAID = null), Failed Statement is: create table t1 (i int) java.lang.NullPointerException at org.apache.derby.impl.sql.compile.QueryTreeNode.getSchemaDescriptor(Unknown Source) at org.apache.derby.impl.sql.compile.DDLStatementNode.getSchemaDescriptor(Unknown Source) at org.apache.derby.impl.sql.compile.DDLStatementNode.getSchemaDescriptor(Unknown Source) at org.apache.derby.impl.sql.compile.CreateTableNode.referencesSessionSchema(Unknown Source) at org.apache.derby.impl.sql.GenericPreparedStatement.referencesSessionSchema(Unknown Source) at org.apache.derby.impl.sql.GenericStatement.prepMinion(Unknown Source) at org.apache.derby.impl.sql.GenericStatement.prepare(Unknown Source) at org.apache.derby.impl.sql.conn.GenericLanguageConnectionContext.prepareInternalStatement(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) Cleanup action completed 2006-08-16 20:49:55.312 GMT: Shutting down instance c013800d-010d-18be-88cf-0013f010 sysinfo: -- Java Information -- Java Version:1.4.2_12 Java Vendor: Sun Microsystems Inc. Java home: C:\Program Files\Java\j2re1.4.2_12 Java classpath: derby.jar;derbytools.jar;. OS name: Windows XP OS architecture: x86 OS version: 5.1 Java user name: Yip Java user home: C:\Documents and Settings\Yip Java user dir: C:\work3\derby\tests\derby-10.2.1.0\lib java.specification.name: Java Platform API Specification java.specification.version: 1.4 - Derby Information JRE - JDBC: J2SE 1.4.2 - JDBC 3.0 [C:\work3\derby\tests\derby-10.2.1.0\lib\derby.jar] 10.2.1.0 beta - (430903) [C:\work3\derby\tests\derby-10.2.1.0\lib\derbytools.jar] 10.2.1.0 beta - (430903 ) -- - Locale Information - Current Locale : [English/United States [en_US]] Found support for locale: [de_DE] version: 10.2.1.0 - (430903) Found support for locale: [es] version: 10.2.1.0 - (430903) Found support for locale: [fr] version: 10.2.1.0 - (430903) Found support for locale: [it]
[jira] Commented: (DERBY-1706) NullPointerException occurs when trying to create a table in schema SESSION
[ http://issues.apache.org/jira/browse/DERBY-1706?page=comments#action_12434833 ] Yip Ng commented on DERBY-1706: --- Thanks for the additonal background information, Mamta. I have tried the second patch DERBY1706NPEwithSessionSchemaV2diff.txt and the NPE no longer exists. Perhaps a comment is useful here for explaining why sdCatalog's UUID can be null in certain cases. if (sdCatalog != null sdCatalog.getUUID() != null) ... Otherwise, the patch looks good to me. +1 NullPointerException occurs when trying to create a table in schema SESSION --- Key: DERBY-1706 URL: http://issues.apache.org/jira/browse/DERBY-1706 Project: Derby Issue Type: Bug Components: SQL Affects Versions: 10.2.1.0 Environment: Sun JDK 1.4.2 Reporter: Yip Ng Assigned To: Mamta A. Satoor Priority: Minor Attachments: DERBY1706NPEwithSessionSchemaV1diff.txt, DERBY1706NPEwithSessionSchemaV2diff.txt NPE occurs when attempting to create a table in schema session: ij version 10.2 ij connect 'jdbc:derby:wombat;create=true' user 'user1'; WARNING 01J14: SQL authorization is being used without first enabling authentica tion. ij set schema session; 0 rows inserted/updated/deleted ij create table t1 (i int); ERROR XJ001: Java exception: ': java.lang.NullPointerException'. derby.log: 2006-08-16 20:49:02.765 GMT: Booting Derby version The Apache Software Foundation - Apache Derby - 10.2.1.0 beta - (430903): instance c013800d-010d-18be-88cf-0013f010 on database directory C:\work3\derby\tests\derby-10.2.1.0\lib\wombat Database Class Loader started - derby.database.classpath='' 2006-08-16 20:49:17.312 GMT Thread[main,5,main] (XID = 122), (SESSIONID = 0), (DATABASE = wombat), (DRDAID = null), Cleanup action starting 2006-08-16 20:49:17.312 GMT Thread[main,5,main] (XID = 122), (SESSIONID = 0), (DATABASE = wombat), (DRDAID = null), Failed Statement is: create table t1 (i int) java.lang.NullPointerException at org.apache.derby.impl.sql.compile.QueryTreeNode.getSchemaDescriptor(Unknown Source) at org.apache.derby.impl.sql.compile.DDLStatementNode.getSchemaDescriptor(Unknown Source) at org.apache.derby.impl.sql.compile.DDLStatementNode.getSchemaDescriptor(Unknown Source) at org.apache.derby.impl.sql.compile.CreateTableNode.referencesSessionSchema(Unknown Source) at org.apache.derby.impl.sql.GenericPreparedStatement.referencesSessionSchema(Unknown Source) at org.apache.derby.impl.sql.GenericStatement.prepMinion(Unknown Source) at org.apache.derby.impl.sql.GenericStatement.prepare(Unknown Source) at org.apache.derby.impl.sql.conn.GenericLanguageConnectionContext.prepareInternalStatement(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) Cleanup action completed 2006-08-16 20:49:55.312 GMT: Shutting down instance c013800d-010d-18be-88cf-0013f010 sysinfo: -- Java Information -- Java Version:1.4.2_12 Java Vendor: Sun Microsystems Inc. Java home: C:\Program Files\Java\j2re1.4.2_12 Java classpath: derby.jar;derbytools.jar;. OS name: Windows XP OS architecture: x86 OS version: 5.1 Java user name: Yip Java user home: C:\Documents and Settings\Yip Java user dir: C:\work3\derby\tests\derby-10.2.1.0\lib java.specification.name: Java Platform API Specification java.specification.version: 1.4 - Derby Information JRE - JDBC: J2SE 1.4.2 - JDBC 3.0 [C:\work3\derby\tests\derby-10.2.1.0\lib\derby.jar] 10.2.1.0 beta - (430903) [C:\work3\derby\tests\derby-10.2.1.0\lib\derbytools.jar] 10.2.1.0 beta - (430903 ) -- - Locale Information - Current Locale : [English/United States [en_US]] Found support for locale: [de_DE] version: 10.2.1.0 - (430903) Found support for locale: [es] version: 10.2.1.0 -
