Dynamic Partition Overwrite¶

Dynamic Partition Overwrite is a DataFrameWriter (Spark SQL) feature that allows to only overwrite partitions (of a partitioned delta table) that have data written into it.

Dynamic Partition Overwrite can be enabled system-wide using spark.databricks.delta.dynamicPartitionOverwrite.enabled configuration property.

Partition Overwrite Mode¶

Partition Overwrite Mode can be one of the following values (case-insensitive):

• dynamic
• static