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Tim Armstrong updated IMPALA-3109: ---------------------------------- Issue Type: Improvement (was: Bug) > For Avro table schema defined in tblproperties, add column should have no > effect instead of writing to meta store > ----------------------------------------------------------------------------------------------------------------- > > Key: IMPALA-3109 > URL: https://issues.apache.org/jira/browse/IMPALA-3109 > Project: IMPALA > Issue Type: Improvement > Components: Frontend > Affects Versions: Impala 2.2, Impala 2.3.0, Impala 2.5.0 > Reporter: Huaisi Xu > Assignee: Huaisi Xu > Priority: Minor > Labels: supportability, usability > > {code:java} > create external table d2 like functional_avro.tinytable; > alter table d2 add columns (ff int); -> succeed > Now second insert: > alter table d2 add columns (ff int); > RROR: > ImpalaRuntimeException: Error making 'alter_table' RPC to Hive Metastore: > CAUSED BY: MetaException: javax.jdo.JDODataStoreException: Add request failed > : INSERT INTO "COLUMNS_V2" > ("CD_ID","COMMENT","COLUMN_NAME","TYPE_NAME","INTEGER_IDX") VALUES (?,?,?,?,?) > ... > ... > ... > ... ( stack traces ) > {code} > In hive the behavior seems like the add columns statement is ignored. > We do not use meta data's version during the query stage and thus we should > behave similar to Hive as well. -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-all-unsubscr...@impala.apache.org For additional commands, e-mail: issues-all-h...@impala.apache.org