golang-google-genproto-dev 0.0~git20171123.7f0da29-1 / usr / share / gocode / src / google.golang.org / genproto / googleapis / spanner / v1 / query_plan.pb.go

// Code generated by protoc-gen-go. DO NOT EDIT.
// source: google/spanner/v1/query_plan.proto

package spanner

import proto "github.com/golang/protobuf/proto"
import fmt "fmt"
import math "math"
import _ "google.golang.org/genproto/googleapis/api/annotations"
import google_protobuf1 "github.com/golang/protobuf/ptypes/struct"

// Reference imports to suppress errors if they are not otherwise used.
var _ = proto.Marshal
var _ = fmt.Errorf
var _ = math.Inf

// The kind of [PlanNode][google.spanner.v1.PlanNode]. Distinguishes between the two different kinds of
// nodes that can appear in a query plan.
type PlanNode_Kind int32

const (
	// Not specified.
	PlanNode_KIND_UNSPECIFIED PlanNode_Kind = 0
	// 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.
	PlanNode_RELATIONAL PlanNode_Kind = 1
	// 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.
	PlanNode_SCALAR PlanNode_Kind = 2
)

var PlanNode_Kind_name = map[int32]string{
	0: "KIND_UNSPECIFIED",
	1: "RELATIONAL",
	2: "SCALAR",
}
var PlanNode_Kind_value = map[string]int32{
	"KIND_UNSPECIFIED": 0,
	"RELATIONAL":       1,
	"SCALAR":           2,
}

func (x PlanNode_Kind) String() string {
	return proto.EnumName(PlanNode_Kind_name, int32(x))
}
func (PlanNode_Kind) EnumDescriptor() ([]byte, []int) { return fileDescriptor2, []int{0, 0} }

// Node information for nodes appearing in a [QueryPlan.plan_nodes][google.spanner.v1.QueryPlan.plan_nodes].
type PlanNode struct {
	// The `PlanNode`'s index in [node list][google.spanner.v1.QueryPlan.plan_nodes].
	Index int32 `protobuf:"varint,1,opt,name=index" json:"index,omitempty"`
	// Used to determine the type of node. May be needed for visualizing
	// different kinds of nodes differently. For example, If the node is a
	// [SCALAR][google.spanner.v1.PlanNode.Kind.SCALAR] node, it will have a condensed representation
	// which can be used to directly embed a description of the node in its
	// parent.
	Kind PlanNode_Kind `protobuf:"varint,2,opt,name=kind,enum=google.spanner.v1.PlanNode_Kind" json:"kind,omitempty"`
	// The display name for the node.
	DisplayName string `protobuf:"bytes,3,opt,name=display_name,json=displayName" json:"display_name,omitempty"`
	// List of child node `index`es and their relationship to this parent.
	ChildLinks []*PlanNode_ChildLink `protobuf:"bytes,4,rep,name=child_links,json=childLinks" json:"child_links,omitempty"`
	// Condensed representation for [SCALAR][google.spanner.v1.PlanNode.Kind.SCALAR] nodes.
	ShortRepresentation *PlanNode_ShortRepresentation `protobuf:"bytes,5,opt,name=short_representation,json=shortRepresentation" json:"short_representation,omitempty"`
	// Attributes relevant to the node contained in a group of key-value pairs.
	// For example, a Parameter Reference node could have the following
	// information in its metadata:
	//
	//     {
	//       "parameter_reference": "param1",
	//       "parameter_type": "array"
	//     }
	Metadata *google_protobuf1.Struct `protobuf:"bytes,6,opt,name=metadata" json:"metadata,omitempty"`
	// The execution statistics associated with the node, contained in a group of
	// key-value pairs. Only present if the plan was returned as a result of a
	// profile query. For example, number of executions, number of rows/time per
	// execution etc.
	ExecutionStats *google_protobuf1.Struct `protobuf:"bytes,7,opt,name=execution_stats,json=executionStats" json:"execution_stats,omitempty"`
}

func (m *PlanNode) Reset()                    { *m = PlanNode{} }
func (m *PlanNode) String() string            { return proto.CompactTextString(m) }
func (*PlanNode) ProtoMessage()               {}
func (*PlanNode) Descriptor() ([]byte, []int) { return fileDescriptor2, []int{0} }

func (m *PlanNode) GetIndex() int32 {
	if m != nil {
		return m.Index
	}
	return 0
}

func (m *PlanNode) GetKind() PlanNode_Kind {
	if m != nil {
		return m.Kind
	}
	return PlanNode_KIND_UNSPECIFIED
}

func (m *PlanNode) GetDisplayName() string {
	if m != nil {
		return m.DisplayName
	}
	return ""
}

func (m *PlanNode) GetChildLinks() []*PlanNode_ChildLink {
	if m != nil {
		return m.ChildLinks
	}
	return nil
}

func (m *PlanNode) GetShortRepresentation() *PlanNode_ShortRepresentation {
	if m != nil {
		return m.ShortRepresentation
	}
	return nil
}

func (m *PlanNode) GetMetadata() *google_protobuf1.Struct {
	if m != nil {
		return m.Metadata
	}
	return nil
}

func (m *PlanNode) GetExecutionStats() *google_protobuf1.Struct {
	if m != nil {
		return m.ExecutionStats
	}
	return nil
}

// Metadata associated with a parent-child relationship appearing in a
// [PlanNode][google.spanner.v1.PlanNode].
type PlanNode_ChildLink struct {
	// The node to which the link points.
	ChildIndex int32 `protobuf:"varint,1,opt,name=child_index,json=childIndex" json:"child_index,omitempty"`
	// The type of the link. For example, in Hash Joins this could be used to
	// distinguish between the build child and the probe child, or in the case
	// of the child being an output variable, to represent the tag associated
	// with the output variable.
	Type string `protobuf:"bytes,2,opt,name=type" json:"type,omitempty"`
	// Only present if the child node is [SCALAR][google.spanner.v1.PlanNode.Kind.SCALAR] and corresponds
	// to an output variable of the parent node. The field carries the name of
	// the output variable.
	// For example, a `TableScan` operator that reads rows from a table will
	// have child links to the `SCALAR` nodes representing the output variables
	// created for each column that is read by the operator. The corresponding
	// `variable` fields will be set to the variable names assigned to the
	// columns.
	Variable string `protobuf:"bytes,3,opt,name=variable" json:"variable,omitempty"`
}

func (m *PlanNode_ChildLink) Reset()                    { *m = PlanNode_ChildLink{} }
func (m *PlanNode_ChildLink) String() string            { return proto.CompactTextString(m) }
func (*PlanNode_ChildLink) ProtoMessage()               {}
func (*PlanNode_ChildLink) Descriptor() ([]byte, []int) { return fileDescriptor2, []int{0, 0} }

func (m *PlanNode_ChildLink) GetChildIndex() int32 {
	if m != nil {
		return m.ChildIndex
	}
	return 0
}

func (m *PlanNode_ChildLink) GetType() string {
	if m != nil {
		return m.Type
	}
	return ""
}

func (m *PlanNode_ChildLink) GetVariable() string {
	if m != nil {
		return m.Variable
	}
	return ""
}

// Condensed representation of a node and its subtree. Only present for
// `SCALAR` [PlanNode(s)][google.spanner.v1.PlanNode].
type PlanNode_ShortRepresentation struct {
	// A string representation of the expression subtree rooted at this node.
	Description string `protobuf:"bytes,1,opt,name=description" json:"description,omitempty"`
	// A mapping of (subquery variable name) -> (subquery node id) for cases
	// where the `description` string of this node references a `SCALAR`
	// subquery contained in the expression subtree rooted at this node. The
	// referenced `SCALAR` subquery may not necessarily be a direct child of
	// this node.
	Subqueries map[string]int32 `protobuf:"bytes,2,rep,name=subqueries" json:"subqueries,omitempty" protobuf_key:"bytes,1,opt,name=key" protobuf_val:"varint,2,opt,name=value"`
}

func (m *PlanNode_ShortRepresentation) Reset()                    { *m = PlanNode_ShortRepresentation{} }
func (m *PlanNode_ShortRepresentation) String() string            { return proto.CompactTextString(m) }
func (*PlanNode_ShortRepresentation) ProtoMessage()               {}
func (*PlanNode_ShortRepresentation) Descriptor() ([]byte, []int) { return fileDescriptor2, []int{0, 1} }

func (m *PlanNode_ShortRepresentation) GetDescription() string {
	if m != nil {
		return m.Description
	}
	return ""
}

func (m *PlanNode_ShortRepresentation) GetSubqueries() map[string]int32 {
	if m != nil {
		return m.Subqueries
	}
	return nil
}

// Contains an ordered list of nodes appearing in the query plan.
type QueryPlan struct {
	// The nodes in the query plan. Plan nodes are returned in pre-order starting
	// with the plan root. Each [PlanNode][google.spanner.v1.PlanNode]'s `id` corresponds to its index in
	// `plan_nodes`.
	PlanNodes []*PlanNode `protobuf:"bytes,1,rep,name=plan_nodes,json=planNodes" json:"plan_nodes,omitempty"`
}

func (m *QueryPlan) Reset()                    { *m = QueryPlan{} }
func (m *QueryPlan) String() string            { return proto.CompactTextString(m) }
func (*QueryPlan) ProtoMessage()               {}
func (*QueryPlan) Descriptor() ([]byte, []int) { return fileDescriptor2, []int{1} }

func (m *QueryPlan) GetPlanNodes() []*PlanNode {
	if m != nil {
		return m.PlanNodes
	}
	return nil
}

func init() {
	proto.RegisterType((*PlanNode)(nil), "google.spanner.v1.PlanNode")
	proto.RegisterType((*PlanNode_ChildLink)(nil), "google.spanner.v1.PlanNode.ChildLink")
	proto.RegisterType((*PlanNode_ShortRepresentation)(nil), "google.spanner.v1.PlanNode.ShortRepresentation")
	proto.RegisterType((*QueryPlan)(nil), "google.spanner.v1.QueryPlan")
	proto.RegisterEnum("google.spanner.v1.PlanNode_Kind", PlanNode_Kind_name, PlanNode_Kind_value)
}

func init() { proto.RegisterFile("google/spanner/v1/query_plan.proto", fileDescriptor2) }

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