github.com/cockroachdb/cockroach@v20.2.0-alpha.1+incompatible/pkg/sql/distsql_plan_ctas.go (about)

     1  // Copyright 2019 The Cockroach Authors.
     2  //
     3  // Use of this software is governed by the Business Source License
     4  // included in the file licenses/BSL.txt.
     5  //
     6  // As of the Change Date specified in that file, in accordance with
     7  // the Business Source License, use of this software will be governed
     8  // by the Apache License, Version 2.0, included in the file
     9  // licenses/APL.txt.
    10  
    11  package sql
    12  
    13  import (
    14  	"context"
    15  
    16  	"github.com/cockroachdb/cockroach/pkg/kv"
    17  	"github.com/cockroachdb/cockroach/pkg/sql/execinfrapb"
    18  	"github.com/cockroachdb/cockroach/pkg/sql/rowexec"
    19  	"github.com/cockroachdb/cockroach/pkg/sql/sem/tree"
    20  	"github.com/cockroachdb/errors"
    21  )
    22  
    23  // PlanAndRunCTAS plans and runs the CREATE TABLE AS command.
    24  func PlanAndRunCTAS(
    25  	ctx context.Context,
    26  	dsp *DistSQLPlanner,
    27  	planner *planner,
    28  	txn *kv.Txn,
    29  	isLocal bool,
    30  	in planMaybePhysical,
    31  	out execinfrapb.ProcessorCoreUnion,
    32  	recv *DistSQLReceiver,
    33  ) {
    34  	planCtx := dsp.NewPlanningCtx(ctx, planner.ExtendedEvalContext(), txn, !isLocal)
    35  	planCtx.planner = planner
    36  	planCtx.stmtType = tree.Rows
    37  
    38  	physPlan, err := dsp.createPhysPlan(planCtx, in)
    39  	if err != nil {
    40  		recv.SetError(errors.Wrapf(err, "constructing distSQL plan"))
    41  		return
    42  	}
    43  	physPlan.AddNoGroupingStage(
    44  		out, execinfrapb.PostProcessSpec{}, rowexec.CTASPlanResultTypes, execinfrapb.Ordering{},
    45  	)
    46  
    47  	// The bulk row writers will emit a binary encoded BulkOpSummary.
    48  	physPlan.PlanToStreamColMap = []int{0}
    49  	physPlan.ResultTypes = rowexec.CTASPlanResultTypes
    50  
    51  	// Make copy of evalCtx as Run might modify it.
    52  	evalCtxCopy := planner.ExtendedEvalContextCopy()
    53  	dsp.FinalizePlan(planCtx, physPlan)
    54  	dsp.Run(planCtx, txn, physPlan, recv, evalCtxCopy, nil /* finishedSetupFn */)()
    55  }