wehub-resource-sync
75 lines
2.3 KiB
Go
75 lines
2.3 KiB
Go
// Copyright 2025 Dolthub, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package framework
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import (
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"github.com/dolthub/doltgresql/core/extensions/pg_extension"
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"github.com/dolthub/doltgresql/core/id"
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"github.com/dolthub/doltgresql/postgres/parser/uuid"
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pgtypes "github.com/dolthub/doltgresql/server/types"
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)
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var cConversionToDatumMap = map[id.Type]func(val any) (pg_extension.NullableDatum, error){
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pgtypes.Text.ID: textToDatum,
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pgtypes.Uuid.ID: uuidToDatum,
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}
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var cConversionFromDatumMap = map[id.Type]func(datum pg_extension.Datum) (any, error){
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pgtypes.Text.ID: textFromDatum,
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pgtypes.Uuid.ID: uuidFromDatum,
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}
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// textFromDatum converts from a Datum to a TEXT value.
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func textFromDatum(datum pg_extension.Datum) (any, error) {
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convertedVal := pg_extension.FromDatumGoString(datum)
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pg_extension.FreeDatum(datum)
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return convertedVal, nil
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}
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// textToDatum converts from a TEXT value to a NullableDatum.
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func textToDatum(val any) (pg_extension.NullableDatum, error) {
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if val == nil {
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return pg_extension.NullableDatum{
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Value: 0,
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IsNull: true,
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}, nil
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}
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return pg_extension.NullableDatum{
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Value: pg_extension.ToDatumGoString(val.(string)),
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IsNull: false,
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}, nil
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}
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// uuidFromDatum converts from a Datum to a UUID value.
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func uuidFromDatum(datum pg_extension.Datum) (any, error) {
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convertedVal := pg_extension.FromDatumGoBytes(datum, 16)
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pg_extension.FreeDatum(datum)
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return uuid.FromBytes(convertedVal)
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}
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// uuidToDatum converts from a UUID value to a NullableDatum.
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func uuidToDatum(val any) (pg_extension.NullableDatum, error) {
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if val == nil {
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return pg_extension.NullableDatum{
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Value: 0,
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IsNull: true,
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}, nil
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}
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return pg_extension.NullableDatum{
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Value: pg_extension.ToDatumGoBytes(val.(uuid.UUID).GetBytes()),
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IsNull: false,
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}, nil
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}
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