Set Databricks Table Description From Code


I’d like to add table descriptions when they are viewed in data explorer in Databricks or Databricks SQL, like right here:


Table descriptions are stored in table properties and can be accessed via SQL. The actual property that is used to display description is called comment, therefore we just need to set it. Here is some code to do that:

def set_table_property(spark: SparkSession, table_name: str, property_name: str, value: str) -> None:
    spark.sql(f"""ALTER TABLE {table_name} SET TBLPROPERTIES ("{property_name}" = "{value}")""")

def set_table_comment(spark: SparkSession, table_name: str, comment: str) -> None:
    set_table_property(spark, table_name, "comment", comment)
set_table_comment(spark, "mytable", "Wonderful table that solves all your issues!")


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