PreWriteCheck Extended Analysis Check

PreWriteCheck is an extended analysis check that verifies correctness of a logical query plan with regard to InsertIntoTable unary logical operator (right before analysis can be considered complete).

PreWriteCheck is part of the extended analysis check rules of the logical Analyzer in BaseSessionStateBuilder and HiveSessionStateBuilder.

PreWriteCheck is simply a function of LogicalPlan that…​FIXME

Executing Function — apply Method

apply(plan: LogicalPlan): Unit
apply is part of Scala’s scala.Function1 contract to create a function of one parameter.

apply traverses the input logical query plan and finds InsertIntoTable unary logical operators.

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