github.com/matrixorigin/matrixone@v1.2.0/pkg/sql/plan/current_account.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/common/moerr"
    19  	"github.com/matrixorigin/matrixone/pkg/container/types"
    20  	"github.com/matrixorigin/matrixone/pkg/pb/plan"
    21  	"github.com/matrixorigin/matrixone/pkg/sql/parsers/tree"
    22  )
    23  
    24  func (builder *QueryBuilder) buildCurrentAccount(tbl *tree.TableFunction, ctx *BindContext, exprs []*plan.Expr, childId int32) (int32, error) {
    25  	if len(tbl.Func.Exprs) > 0 {
    26  		return 0, moerr.NewInvalidArg(builder.GetContext(), "current_account function has invalid input args length", len(tbl.Func.Exprs))
    27  	}
    28  	node := &plan.Node{
    29  		NodeType: plan.Node_FUNCTION_SCAN,
    30  		Stats:    &plan.Stats{},
    31  		TableDef: &plan.TableDef{
    32  			TableType: "func_table",
    33  			TblFunc: &plan.TableFunction{
    34  				Name: "current_account",
    35  			},
    36  			Cols: []*plan.ColDef{
    37  				{
    38  					Name: "account_name",
    39  					Typ: plan.Type{
    40  						Id:    int32(types.T_varchar),
    41  						Width: types.MaxVarcharLen,
    42  					},
    43  				},
    44  				{
    45  					Name: "account_id",
    46  					Typ: plan.Type{
    47  						Id:    int32(types.T_uint32),
    48  						Width: types.MaxVarcharLen,
    49  					},
    50  				},
    51  				{
    52  					Name: "user_name",
    53  					Typ: plan.Type{
    54  						Id:    int32(types.T_varchar),
    55  						Width: types.MaxVarcharLen,
    56  					},
    57  				},
    58  				{
    59  					Name: "user_id",
    60  					Typ: plan.Type{
    61  						Id:    int32(types.T_uint32),
    62  						Width: types.MaxVarcharLen,
    63  					},
    64  				},
    65  				{
    66  					Name: "role_name",
    67  					Typ: plan.Type{
    68  						Id:    int32(types.T_varchar),
    69  						Width: types.MaxVarcharLen,
    70  					},
    71  				},
    72  				{
    73  					Name: "role_id",
    74  					Typ: plan.Type{
    75  						Id:    int32(types.T_uint32),
    76  						Width: types.MaxVarcharLen,
    77  					},
    78  				},
    79  			},
    80  		},
    81  		BindingTags:     []int32{builder.genNewTag()},
    82  		Children:        []int32{childId},
    83  		TblFuncExprList: exprs,
    84  	}
    85  	return builder.appendNode(node, ctx), nil
    86  }