UnresolvedTable Leaf Logical Operator¶

UnresolvedTable is an unresolved leaf logical operator (UnresolvedLeafNode) that represents a table that has yet to be looked up in a catalog.

UnresolvedCatalogRelation

UnresolvedCatalogRelation leaf logical operator looks very similar.

Creating Instance¶

UnresolvedTable takes the following to be created:

Multi-Part Identifier
Command Name
Optional relationTypeMismatchHint

UnresolvedTable is created when:

AstBuilder is requested to create an UnresolvedTable
CatalogImpl is requested to recover partitions

Logical Analysis¶

UnresolvedTable is resolved by ResolveRelations logical resolution rule.

CheckAnalysis and AnalysisException

CheckAnalysis reports an AnalysisException (TABLE_OR_VIEW_NOT_FOUND) when there are any UnresolvedTables left in a logical query plan after logical analysis.