github.com/matrixorigin/matrixone@v1.2.0/pkg/sql/plan/function/list_window.go (about)

     1  // Copyright 2021 - 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 function
    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/colexec/aggexec"
    21  	"github.com/matrixorigin/matrixone/pkg/sql/plan/function/agg"
    22  )
    23  
    24  var supportedWindowInNewFramework = []FuncNew{
    25  	{
    26  		functionId: RANK,
    27  		class:      plan.Function_WIN_ORDER,
    28  		layout:     STANDARD_FUNCTION,
    29  		checkFn: func(overloads []overload, inputs []types.Type) checkResult {
    30  			if len(inputs) == 0 {
    31  				return newCheckResultWithSuccess(0)
    32  			}
    33  			return newCheckResultWithFailure(failedFunctionParametersWrong)
    34  		},
    35  		Overloads: []overload{
    36  			{
    37  				overloadId: 0,
    38  				isWin:      true,
    39  				retType:    aggexec.SingleWindowReturnType,
    40  				aggFramework: aggregationLogicOfOverload{
    41  					str:         "rank",
    42  					aggRegister: agg.RegisterRank,
    43  				},
    44  			},
    45  		},
    46  	},
    47  	{
    48  		functionId: ROW_NUMBER,
    49  		class:      plan.Function_WIN_ORDER,
    50  		layout:     STANDARD_FUNCTION,
    51  		checkFn: func(overloads []overload, inputs []types.Type) checkResult {
    52  			if len(inputs) == 0 {
    53  				return newCheckResultWithSuccess(0)
    54  			}
    55  			return newCheckResultWithFailure(failedFunctionParametersWrong)
    56  		},
    57  		Overloads: []overload{
    58  			{
    59  				overloadId: 0,
    60  				isWin:      true,
    61  				retType:    aggexec.SingleWindowReturnType,
    62  				aggFramework: aggregationLogicOfOverload{
    63  					str:         "row_number",
    64  					aggRegister: agg.RegisterRowNumber,
    65  				},
    66  			},
    67  		},
    68  	},
    69  	{
    70  		functionId: DENSE_RANK,
    71  		class:      plan.Function_WIN_ORDER,
    72  		layout:     STANDARD_FUNCTION,
    73  		checkFn: func(overloads []overload, inputs []types.Type) checkResult {
    74  			if len(inputs) == 0 {
    75  				return newCheckResultWithSuccess(0)
    76  			}
    77  			return newCheckResultWithFailure(failedFunctionParametersWrong)
    78  		},
    79  		Overloads: []overload{
    80  			{
    81  				overloadId: 0,
    82  				isWin:      true,
    83  				retType:    aggexec.SingleWindowReturnType,
    84  				aggFramework: aggregationLogicOfOverload{
    85  					str:         "dense_rank",
    86  					aggRegister: agg.RegisterDenseRank,
    87  				},
    88  			},
    89  		},
    90  	},
    91  }