mirror of
https://github.com/featurebasedb/featurebase.git
synced 2026-08-28 10:54:59 +00:00
15382a2863
* first cut of working (slowly) bulk insert; table valued functions and a tuple data type to support time quantums * oversight * filter pushdown implementation; bulk insert * addressed some linter issues
92 lines
2.1 KiB
Go
92 lines
2.1 KiB
Go
package planner
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
|
|
"github.com/featurebasedb/featurebase/v3/sql3"
|
|
"github.com/featurebasedb/featurebase/v3/sql3/planner/types"
|
|
)
|
|
|
|
// PlanOpQuery is a query - this is the root node of an execution plan
|
|
type PlanOpQuery struct {
|
|
ChildOp types.PlanOperator
|
|
|
|
// the list of aggregate terms
|
|
aggregates []types.PlanExpression
|
|
|
|
// all the identifiers that are referenced
|
|
referenceList []*qualifiedRefPlanExpression
|
|
|
|
sql string
|
|
warnings []string
|
|
}
|
|
|
|
var _ types.PlanOperator = (*PlanOpQuery)(nil)
|
|
|
|
func NewPlanOpQuery(child types.PlanOperator, sql string) *PlanOpQuery {
|
|
return &PlanOpQuery{
|
|
ChildOp: child,
|
|
warnings: make([]string, 0),
|
|
}
|
|
}
|
|
|
|
func (p *PlanOpQuery) Schema() types.Schema {
|
|
return p.ChildOp.Schema()
|
|
}
|
|
|
|
func (p *PlanOpQuery) Child() types.PlanOperator {
|
|
return p.ChildOp
|
|
}
|
|
|
|
func (p *PlanOpQuery) Iterator(ctx context.Context, row types.Row) (types.RowIterator, error) {
|
|
return p.Child().Iterator(ctx, row)
|
|
}
|
|
|
|
func (p *PlanOpQuery) Children() []types.PlanOperator {
|
|
return []types.PlanOperator{
|
|
p.ChildOp,
|
|
}
|
|
}
|
|
|
|
func (p *PlanOpQuery) WithChildren(children ...types.PlanOperator) (types.PlanOperator, error) {
|
|
if len(children) != 1 {
|
|
return nil, sql3.NewErrInternalf("unexpected number of children '%d'", len(children))
|
|
}
|
|
op := NewPlanOpQuery(children[0], p.sql)
|
|
op.warnings = append(op.warnings, p.warnings...)
|
|
return op, nil
|
|
|
|
}
|
|
|
|
func (p *PlanOpQuery) Plan() map[string]interface{} {
|
|
result := make(map[string]interface{})
|
|
result["_op"] = fmt.Sprintf("%T", p)
|
|
sc := make([]string, 0)
|
|
for _, e := range p.Schema() {
|
|
sc = append(sc, fmt.Sprintf("'%s', '%s', '%s'", e.Name, e.Table, e.Type.TypeName()))
|
|
}
|
|
result["_schema"] = sc
|
|
|
|
result["sql"] = p.sql
|
|
result["warnings"] = p.warnings
|
|
result["child"] = p.ChildOp.Plan()
|
|
return result
|
|
}
|
|
|
|
func (p *PlanOpQuery) AddWarning(warning string) {
|
|
p.warnings = append(p.warnings, warning)
|
|
}
|
|
|
|
func (p *PlanOpQuery) Warnings() []string {
|
|
var w []string
|
|
w = append(w, p.warnings...)
|
|
if p.ChildOp != nil {
|
|
w = append(w, p.ChildOp.Warnings()...)
|
|
}
|
|
return w
|
|
}
|
|
|
|
func (p *PlanOpQuery) String() string {
|
|
return ""
|
|
}
|