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Data Engineering
Join discussions on data engineering best practices, architectures, and optimization strategies within the Databricks Community. Exchange insights and solutions with fellow data engineers.
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Forum Posts

Gilg
by Contributor II
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Adding column as StructType

Hi Team,Just wondering, how can I add a column to an existing table.I'd tried the below script but giving me an error:ParseException: [PARSE_SYNTAX_ERROR] Syntax error at or near '<'(line 1, pos 121)ALTER TABLE table_clone ADD COLUMNS col_name1 STRUC...

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Latest Reply
Anonymous
Not applicable
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@Gil Gonong​ :In Databricks, you can add a column to an existing table using the ALTER TABLE statement in SQL. Here is an example:ALTER TABLE table_clone ADD COLUMN col_name1 STRUCT< type: STRING, values: ARRAY<STRING> >Note that you need to ...

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Christine
by Contributor II
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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...

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UmaMahesh1
Honored Contributor III
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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...

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