DeltaAnalysis Logical Resolution Rule¶

DeltaAnalysis is a logical resolution rule (Spark SQL).

Creating Instance¶

DeltaAnalysis takes the following to be created:

• SparkSession
• SQLConf

DeltaAnalysis is created when:

• DeltaSparkSessionExtension is requested to inject Delta extensions

Executing Rule¶

apply(
  plan: LogicalPlan): LogicalPlan

apply is part of the Rule (Spark SQL) abstraction.

apply resolves logical operators.

AlterTableAddConstraintStatement¶

apply creates an AlterTable (Spark SQL) logical command with an AddConstraint table change.

AlterTableDropConstraintStatement¶

apply creates an AlterTable (Spark SQL) logical command with an DropConstraint table change.

AppendDelta¶

DataSourceV2Relation¶

DeleteFromTable¶

DeltaTable¶

MergeIntoTable¶

OverwriteDelta¶

UpdateTable¶