cancel
Showing results for 
Search instead for 
Did you mean: 
Data Engineering
cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

Christine
by Contributor
  • 5656 Views
  • 1 replies
  • 2 kudos

ADD COLUMN IF NOT EXISTS does not recognize "IF NOT EXIST". How do I add a column to an existing delta table with SQL if the column does not already exist?

How do I add a column to an existing delta table with SQL if the column does not already exist?I am using the following code: <%sqlALTER TABLE table_name ADD COLUMN IF NOT EXISTS column_name type; >but it prints the error: <[PARSE_SYNTAX_ERROR] Synta...

  • 5656 Views
  • 1 replies
  • 2 kudos
Latest Reply
UmaMahesh1
Honored Contributor III
  • 2 kudos

Hi @Christine Pedersen​ I guess IF NOT EXISTS or IF EXISTS can be used in conjunction with DROP or PARTITIONS according to the documentation. If you want to do this the same checking way, you can do using a try catch block in pyspark or as per your l...

  • 2 kudos
Bittu6084
by New Contributor II
  • 5584 Views
  • 6 replies
  • 5 kudos

Resolved! How can we alter table with auto increment column for a delta table

How can we alter table with auto increment column for a delta tableI have tried this but not working:ALTER TABLE dbgtpTest.student ADD COLUMN Student_Id identity(100,1)any Suggestions will be helpful

  • 5584 Views
  • 6 replies
  • 5 kudos
Latest Reply
Kaniz
Community Manager
  • 5 kudos

Hi @Bittu6084 (Customer)​ , Just a friendly follow-up. Do you still need help?

  • 5 kudos
5 More Replies
TimothyClotwort
by New Contributor
  • 2329 Views
  • 1 replies
  • 0 kudos

SQL Alter table command not working for me

I am a novice with databricks. I am performing some independent learning. I am trying to add a column to an existing table. Here is my syntax: %sql ALTER TABLE car_parts ADD COLUMNS (engine_present boolean) which returns the error:SyntaxError: inva...

  • 2329 Views
  • 1 replies
  • 0 kudos
Latest Reply
Ryan_Chynoweth
Honored Contributor III
  • 0 kudos

Is the table you are working with in the Delta format? The table commands (i.e. Alter) do not work for all storage formats. For example if I run the following commands then I can alter a table. Note - there is no data in the table but the table exist...

  • 0 kudos
Labels