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Issues in BLOB data type In COLUMN Store Table

Hi

I had row store table with blob data type where i was able to insert images in table in blob data type column , i was able to update blob data type too for same inserted record. The image size is not more than 2 GB.

The two scenarios were possible on this table :

1) Insert large image and then update the inserted image with smaller size image .

2) Insert small size image and then update inserted image with large image.

I changed table from row store to column store just to test the performance of table.


I inserted large size image , and tried to update this with smaller size image. The update is successful.

I inserted the small size image , but i am unable to update the small size inserted image with large size image.

Any reason why update is failing in this column store scenario .

I am doing this image testing in java code.

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  • Posted on Sep 07, 2016 at 06:31 AM

    Ok, without your code and the error messages you receive for the update, all we can do here is to be sorry for you 😔

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    • Hi Lars

      I looked into Index server log and found following log specific to transaction that i am running.

      [1491]{-1}[-1/-1] 2016-09-07 12:07:42.937946 i SQLSessionCmd tcp_listener.cc(00217) : canceled transaction still not finished (cancelation might be still on-going): transaction id=77, update trans id=0, sql_string=, statement_hash=, user_name=INF188861, conn_id=449771, thread_id=0, app_user_name=, app_name=, app_source=

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