Thanks for the response James. We can turn off the writes id required, But the table has ~100B records. Selecting the values and upserting them in new table will be challenging with these many records.
ᐧ On Mon, Feb 22, 2016 at 2:42 PM, James Heather <[email protected]> wrote: > If you're able to turn off write access to the table from elsewhere > temporarily, you could always SELECT the values and store them somewhere > else (e.g., a new table) for the moment, drop and recreate the column, and > then UPSERT them back in. > > It would be nice to think there's a better way, though. When column name > indirection is in place, you'll at least be able to do this without needing > a new table: add new column, copy data, rename old column to something > else, rename new column to whatever old column was called, drop old column. > On 22 Feb 2016 9:04 a.m., "Sandeep Nemuri" <[email protected]> wrote: > >> Hi All, >> >> We have a situation where we have to change the datatype of the existing >> column of a phoenix table from INTEGER to BIGINT. >> is there a way to alter the datatype without loosing the existing data? >> >> Have tried to take the snapshot of hbase table and restored it in a new >> pheonix table with new datatype. >> >> but when selecting the altered columns it throws the following error. >> >> java.lang.RuntimeException: java.sql.SQLException: ERROR 201 (22000): >> Illegal data. ERROR 201 (22000): Illegal data. ERROR 201 (22000): Illegal >> data. Expected length of *at least 8 bytes, but had 4* >> at sqlline.SqlLine$IncrementalRows.hasNext(SqlLine.java:2440) >> at sqlline.SqlLine$TableOutputFormat.print(SqlLine.java:2074) >> at sqlline.SqlLine.print(SqlLine.java:1735) >> at sqlline.SqlLine$Commands.execute(SqlLine.java:3683) >> at sqlline.SqlLine$Commands.sql(SqlLine.java:3584) >> at sqlline.SqlLine.dispatch(SqlLine.java:821) >> at sqlline.SqlLine.begin(SqlLine.java:699) >> at sqlline.SqlLine.mainWithInputRedirection(SqlLine.java:441) >> at sqlline.SqlLine.main(SqlLine.java:424) >> >> >> >> -- >> * Regards* >> * Sandeep Nemuri* >> ᐧ >> > -- * Regards* * Sandeep Nemuri*
