DeltaSparkSessionExtension¶

DeltaSparkSessionExtension is used to register (inject) the following extensions to a SparkSession:

• Delta SQL support (using DeltaSqlParser)
• DeltaAnalysis
• DeltaUnsupportedOperationsCheck
• PrepareDeltaScan
• PreprocessTableDelete
• PreprocessTableMerge
• PreprocessTableRestore
• PreprocessTableUpdate
• RangePartitionIdRewrite

DeltaSparkSessionExtension is registered using spark.sql.extensions configuration property (while creating a SparkSession in a Spark application).