RewrittenAnalysis¶

RewrittenAnalysis is an ImmutableAnalysis.

Creating Instance¶

RewrittenAnalysis takes the following to be created:

• Original ImmutableAnalysis
• Rewriter Function

RewrittenAnalysis is created when:

• KsqlEngine is requested to analyzeQueryWithNoOutputTopic
• LogicalPlanner is created

Rewriter Function¶

BiFunction<Expression, Context<Void>, Optional<Expression>> rewriter

RewrittenAnalysis is given a rewriter function when created.

The rewriter function is used in rewrite.

getSelectItems¶

List<SelectItem> getSelectItems()

getSelectItems is part of the ImmutableAnalysis abstraction.

getSelectItems...FIXME

getInto¶

Optional<Into> getInto()

getInto is part of the ImmutableAnalysis abstraction.

getInto requests the original ImmutableAnalysis for the getInto.

rewrite¶

ColumnName rewrite(
  ColumnName name)
<T extends Expression> T rewrite(
  T expression)

rewrite...FIXME

rewrite is used when:

• RewrittenAnalysis is requested to getSelectColumnNames, getSelectItems, getDefaultArgument, rewriteOptional, rewriteList