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Naveen Gangam commented on HIVE-23756: -------------------------------------- +1 on this patch. > drop table command fails with MySQLIntegrityConstraintViolationException: > ------------------------------------------------------------------------- > > Key: HIVE-23756 > URL: https://issues.apache.org/jira/browse/HIVE-23756 > Project: Hive > Issue Type: Bug > Reporter: Ganesha Shreedhara > Assignee: Ganesha Shreedhara > Priority: Major > Attachments: HIVE-23756.1.patch > > > Drop table command fails intermittently with the following exception. > {code:java} > Caused by: java.sql.BatchUpdateException: Cannot delete or update a parent > row: a foreign key constraint fails ("metastore"."COLUMNS_V2", CONSTRAINT > "COLUMNS_V2_FK1" FOREIGN KEY ("CD_ID") REFERENCES "CDS" ("CD_ID")) App > at > com.mysql.jdbc.PreparedStatement.executeBatchSerially(PreparedStatement.java:1815)at > com.mysql.jdbc.PreparedStatement.executeBatch(PreparedStatement.java:1277) > Appat > org.datanucleus.store.rdbms.ParamLoggingPreparedStatement.executeBatch(ParamLoggingPreparedStatement.java:372) > at > org.datanucleus.store.rdbms.SQLController.processConnectionStatement(SQLController.java:628) > at > org.datanucleus.store.rdbms.SQLController.getStatementForUpdate(SQLController.java:207) > at > org.datanucleus.store.rdbms.SQLController.getStatementForUpdate(SQLController.java:179) > at > org.datanucleus.store.rdbms.scostore.JoinMapStore.clearInternal(JoinMapStore.java:901) > ... 36 more > Caused by: > com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: > Cannot delete or update a parent row: a foreign key constraint fails > ("metastore"."COLUMNS_V2", CONSTRAINT "COLUMNS_V2_FK1" FOREIGN KEY ("CD_ID") > REFERENCES "CDS" ("CD_ID")) > at sun.reflect.GeneratedConstructorAccessor121.newInstance(Unknown Source) > at > sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) > at java.lang.reflect.Constructor.newInstance(Constructor.java:423) > at com.mysql.jdbc.Util.handleNewInstance(Util.java:377) > at com.mysql.jdbc.Util.getInstance(Util.java:360) > at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:971) > at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3887) > at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3823){code} > Although HIVE-19994 resolves this issue, the FK constraint name of COLUMNS_V2 > table specified in package.jdo file is not same as the FK constraint name > used while creating COLUMNS_V2 table ([Ref|#L60]]). -- This message was sent by Atlassian Jira (v8.3.4#803005)