Hi Jarcec, I went with second option.
giving "select col1, col2, NULL as col3, col4" was throwing NullPointereException. So I went with "Select col1,col2,'col3' as col3, col4" Thanks Anand The second option --query looks good but is it support partition ? On Sat, Dec 1, 2012 at 10:03 AM, Jarek Jarcec Cecho <[email protected]>wrote: > Hi Anandha, > I do have couple of suggestions that could help in your scenario: > > 1) Rename your hive table to "TABLENAME_OLD" or something and let Sqoop > create new hive table with proper schema. This way you will not loose any > data nor appropriate schema, however you will end up with two tables. > > 2) Change your table based import to query based import and select one > column extra: > > --query "select col1, col2, NULL as col3, col4, ..." > > Jarcec > > On Fri, Nov 30, 2012 at 06:15:02PM -0800, Anandha L Ranganathan wrote: > > In my Sqoop import one of the column in the source table got deleted and > > that resulting in data issue. This resulting data are off by 1 column. > > The removed column was in the middle of the schema. If it were last > column > > then wouldn't have any worries. > > > > Data is imported from MySql to Hive using Sqoop. I am using > sqoop-1.3.0 > > > > Here is the syntax. > > > > sqoop import --hive-import > > --options-file 'credential.txt' > > --table 'TABLENAME ' > > --where 'created between 1353960000000 and 1353963600000' > > --hive-partition-key part > > --hive-partition-value 'PARTITION_VALUE' > > --hive-overwrite > > --hive-delims-replacement > > > > > > > > Now the problem is One of the column in the source DB got removed. > > > > I tried with workaround by including the --columns > > > > 1) By hardcoding third column with quotes. > > --columns "col1,col2,'col3' as col3,col4" > > > > but this gives error Column name 'col3' not in table > > > > > > 2) Then i tried with (col2 repeated twice) > > --columns " col1,col2, col2 , col4" > > > > It threw an error > > Imported Failed: Duplicate Column identifier specified: > > > > > > 3) Then i tried with (col2 as col3) > > --columns " col1,col2, col2 as col3, col4" > > > > ERROR tool.ImportTool: Imported Failed: Column name 'authid uuid' not in > > table > > > > Could anybody suggest workaround for this. > > > > Thanks >
