github.com/matrixorigin/matrixone@v0.7.0/pkg/sql/plan/generate_series.go (about)

     1  // Copyright 2022 Matrix Origin
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package plan
    16  
    17  import (
    18  	"github.com/matrixorigin/matrixone/pkg/container/types"
    19  	"github.com/matrixorigin/matrixone/pkg/pb/plan"
    20  	"github.com/matrixorigin/matrixone/pkg/sql/parsers/tree"
    21  )
    22  
    23  func (builder *QueryBuilder) buildGenerateSeries(tbl *tree.TableFunction, ctx *BindContext, exprs []*plan.Expr, childId int32) int32 {
    24  	node := &plan.Node{
    25  		NodeType: plan.Node_FUNCTION_SCAN,
    26  		Stats:    &plan.Stats{},
    27  		TableDef: &plan.TableDef{
    28  			TableType: "func_table", //test if ok
    29  			//Name:               tbl.String(),
    30  			TblFunc: &plan.TableFunction{
    31  				Name: "generate_series",
    32  			},
    33  			Cols: []*plan.ColDef{{
    34  				Name: "result",
    35  				Typ: &plan.Type{
    36  					Id:    int32(types.T_varchar),
    37  					Width: types.MaxVarcharLen,
    38  				},
    39  			},
    40  			},
    41  		},
    42  		BindingTags:     []int32{builder.genNewTag()},
    43  		Children:        []int32{childId},
    44  		TblFuncExprList: exprs,
    45  	}
    46  	return builder.appendNode(node, ctx)
    47  }