chore: import upstream snapshot with attribution

2026-07-13 12:32:25 +08:00
commit e014feafe1
2285 changed files with 1131979 additions and 0 deletions
@@ -0,0 +1,88 @@
+// 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 types
+
+import (
+	"github.com/dolthub/go-mysql-server/sql"
+
+	"github.com/dolthub/doltgresql/core/id"
+	"github.com/dolthub/doltgresql/postgres/parser/duration"
+	"github.com/dolthub/doltgresql/utils"
+)
+
+// Interval is the interval type.
+var Interval = &DoltgresType{
+	ID:                  toInternal("interval"),
+	TypLength:           int16(16),
+	PassedByVal:         false,
+	TypType:             TypeType_Base,
+	TypCategory:         TypeCategory_TimespanTypes,
+	IsPreferred:         true,
+	IsDefined:           true,
+	Delimiter:           ",",
+	RelID:               id.Null,
+	SubscriptFunc:       toFuncID("-"),
+	Elem:                internalNullType,
+	Array:               internalNullType,
+	InputFunc:           toFuncID("interval_in", toInternal("cstring"), toInternal("oid"), toInternal("int4")),
+	OutputFunc:          toFuncID("interval_out", toInternal("interval")),
+	ReceiveFunc:         toFuncID("interval_recv", toInternal("internal"), toInternal("oid"), toInternal("int4")),
+	SendFunc:            toFuncID("interval_send", toInternal("interval")),
+	ModInFunc:           toFuncID("intervaltypmodin", toInternal("_cstring")),
+	ModOutFunc:          toFuncID("intervaltypmodout", toInternal("int4")),
+	AnalyzeFunc:         toFuncID("-"),
+	Align:               TypeAlignment_Double,
+	Storage:             TypeStorage_Plain,
+	NotNull:             false,
+	BaseTypeType:        internalNullType,
+	TypMod:              -1,
+	NDims:               0,
+	TypCollation:        id.NullCollation,
+	DefaulBin:           "",
+	Default:             "",
+	Acl:                 nil,
+	Checks:              nil,
+	attTypMod:           -1,
+	CompareFunc:         toFuncID("interval_cmp", toInternal("interval"), toInternal("interval")),
+	SerializationFunc:   serializeTypeInterval,
+	DeserializationFunc: deserializeTypeInterval,
+}
+
+// serializeTypeInterval handles serialization from the standard representation to our serialized representation that is
+// written in Dolt.
+func serializeTypeInterval(ctx *sql.Context, t *DoltgresType, val any) ([]byte, error) {
+	sortNanos, months, days, err := val.(duration.Duration).Encode()
+	if err != nil {
+		return nil, err
+	}
+	writer := utils.NewWriter(0)
+	writer.Int64(sortNanos)
+	writer.Int32(int32(months))
+	writer.Int32(int32(days))
+	return writer.Data(), nil
+}
+
+// deserializeTypeInterval handles deserialization from the Dolt serialized format to our standard representation used by
+// expressions and nodes.
+func deserializeTypeInterval(ctx *sql.Context, t *DoltgresType, data []byte) (any, error) {
+	if len(data) == 0 {
+		return nil, nil
+	}
+	reader := utils.NewReader(data)
+	sortNanos := reader.Int64()
+	months := reader.Int32()
+	days := reader.Int32()
+	return duration.Decode(sortNanos, int64(months), int64(days))
+}