1. class
  2. Google
  3. \
  4. Spanner
  5. \
  6. V1
  7. \
  8. PlanNode_Kind

PlanNode_Kind

class PlanNode_Kind

The kind of [PlanNode][google.spanner.v1.PlanNode]. Distinguishes between the two different kinds of nodes that can appear in a query plan.

Protobuf enum Google\Spanner\V1\PlanNode\Kind

Constants

KIND_UNSPECIFIED

Not specified.

Generated from protobuf enum KIND_UNSPECIFIED = 0;
RELATIONAL

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;
SCALAR

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;