Cloud Spanner V1 Client - Class Kind (2.6.0)

Reference documentation and code samples for the Cloud Spanner V1 Client class Kind.

The kind of PlanNode . Distinguishes between the two different kinds of nodes that can appear in a query plan.

Protobuf type google.spanner.v1.PlanNode.Kind

  Value: 0 
 

Not specified.

Generated from protobuf enum KIND_UNSPECIFIED = 0;

  Value: 1 
 

Denotes a Relational operator node in the expression tree. Relational operators represent iterative processing of rows during query execution.

For example, a TableScan operation that reads rows from a table.

Generated from protobuf enum RELATIONAL = 1;

  Value: 2 
 

Denotes a Scalar node in the expression tree. Scalar nodes represent non-iterable entities in the query plan. For example, constants or arithmetic operators appearing inside predicate expressions or references to column names.

Generated from protobuf enum SCALAR = 2;