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2026-07-13 12:32:25 +08:00

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// 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 (
"github.com/cockroachdb/apd/v3"
"github.com/dolthub/go-mysql-server/sql"
"github.com/dolthub/doltgresql/server/functions/framework"
pgtypes "github.com/dolthub/doltgresql/server/types"
"github.com/dolthub/doltgresql/utils"
)
// initAbs registers the functions to the catalog.
func initAbs() {
framework.RegisterFunction(abs_int16)
framework.RegisterFunction(abs_int32)
framework.RegisterFunction(abs_int64)
framework.RegisterFunction(abs_float64)
framework.RegisterFunction(abs_numeric)
}
// abs_int16 represents the PostgreSQL function of the same name, taking the same parameters.
var abs_int16 = framework.Function1{
Name: "abs",
Return: pgtypes.Int16,
Parameters: [1]*pgtypes.DoltgresType{pgtypes.Int16},
Strict: true,
Callable: func(ctx *sql.Context, _ [2]*pgtypes.DoltgresType, val1 any) (any, error) {
return utils.Abs(val1.(int16)), nil
},
}
// abs_int32 represents the PostgreSQL function of the same name, taking the same parameters.
var abs_int32 = framework.Function1{
Name: "abs",
Return: pgtypes.Int32,
Parameters: [1]*pgtypes.DoltgresType{pgtypes.Int32},
Strict: true,
Callable: func(ctx *sql.Context, _ [2]*pgtypes.DoltgresType, val1 any) (any, error) {
return utils.Abs(val1.(int32)), nil
},
}
// abs_int64 represents the PostgreSQL function of the same name, taking the same parameters.
var abs_int64 = framework.Function1{
Name: "abs",
Return: pgtypes.Int64,
Parameters: [1]*pgtypes.DoltgresType{pgtypes.Int64},
Strict: true,
Callable: func(ctx *sql.Context, _ [2]*pgtypes.DoltgresType, val1 any) (any, error) {
return utils.Abs(val1.(int64)), nil
},
}
// abs_float64 represents the PostgreSQL function of the same name, taking the same parameters.
var abs_float64 = framework.Function1{
Name: "abs",
Return: pgtypes.Float64,
Parameters: [1]*pgtypes.DoltgresType{pgtypes.Float64},
Strict: true,
Callable: func(ctx *sql.Context, _ [2]*pgtypes.DoltgresType, val1 any) (any, error) {
return utils.Abs(val1.(float64)), nil
},
}
// abs_numeric represents the PostgreSQL function of the same name, taking the same parameters.
var abs_numeric = framework.Function1{
Name: "abs",
Return: pgtypes.Numeric,
Parameters: [1]*pgtypes.DoltgresType{pgtypes.Numeric},
Strict: true,
Callable: func(ctx *sql.Context, _ [2]*pgtypes.DoltgresType, val1 any) (any, error) {
dec := val1.(*apd.Decimal)
res := new(apd.Decimal)
return res.Abs(dec), nil
},
}