wehub-resource-sync
46 lines
1.4 KiB
Go
46 lines
1.4 KiB
Go
// Copyright 2024 Dolthub, Inc.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package functions
|
|
|
|
import (
|
|
"math"
|
|
|
|
"github.com/cockroachdb/errors"
|
|
"github.com/dolthub/go-mysql-server/sql"
|
|
|
|
"github.com/dolthub/doltgresql/server/functions/framework"
|
|
pgtypes "github.com/dolthub/doltgresql/server/types"
|
|
)
|
|
|
|
// initAcosd registers the functions to the catalog.
|
|
func initAcosd() {
|
|
framework.RegisterFunction(acosd_float64)
|
|
}
|
|
|
|
// acosd_float64 represents the PostgreSQL function of the same name, taking the same parameters.
|
|
var acosd_float64 = framework.Function1{
|
|
Name: "acosd",
|
|
Return: pgtypes.Float64,
|
|
Parameters: [1]*pgtypes.DoltgresType{pgtypes.Float64},
|
|
Strict: true,
|
|
Callable: func(ctx *sql.Context, _ [2]*pgtypes.DoltgresType, val1 any) (any, error) {
|
|
r := math.Acos(val1.(float64))
|
|
if math.IsNaN(r) {
|
|
return nil, errors.Errorf("input is out of range")
|
|
}
|
|
return toDegrees(r), nil
|
|
},
|
|
}
|