Cloud Spanner V1 API - Module Google::Cloud::Spanner::V1::PlanNode::Kind (v1.11.0)
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Reference documentation and code samples for the Cloud Spanner V1 API module Google::Cloud::Spanner::V1::PlanNode::Kind.
The kind of PlanNode. Distinguishes between
the two different kinds of nodes that can appear in a query plan.
Constants
KIND_UNSPECIFIED
RELATIONAL
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.
SCALAR
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.
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Last updated 2025-10-10 UTC.
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