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 +1,140 @@
+// 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/dolthub/go-mysql-server/sql"
+	"github.com/jackc/pgtype"
+
+	"github.com/dolthub/doltgresql/utils"
+
+	"github.com/dolthub/doltgresql/postgres/parser/duration"
+	"github.com/dolthub/doltgresql/postgres/parser/sem/tree"
+	"github.com/dolthub/doltgresql/server/functions/framework"
+	pgtypes "github.com/dolthub/doltgresql/server/types"
+)
+
+// initInterval registers the functions to the catalog.
+func initInterval() {
+	framework.RegisterFunction(interval_in)
+	framework.RegisterFunction(interval_out)
+	framework.RegisterFunction(interval_recv)
+	framework.RegisterFunction(interval_send)
+	framework.RegisterFunction(intervaltypmodin)
+	framework.RegisterFunction(intervaltypmodout)
+	framework.RegisterFunction(interval_cmp)
+}
+
+// interval_in represents the PostgreSQL function of interval type IO input.
+var interval_in = framework.Function3{
+	Name:       "interval_in",
+	Return:     pgtypes.Interval,
+	Parameters: [3]*pgtypes.DoltgresType{pgtypes.Cstring, pgtypes.Oid, pgtypes.Int32},
+	Strict:     true,
+	Callable: func(ctx *sql.Context, _ [4]*pgtypes.DoltgresType, val1, val2, val3 any) (any, error) {
+		input := val1.(string)
+		//oid := val2.(id.Id)
+		//typmod := val3.(int32)
+		dInterval, err := tree.ParseDInterval(input)
+		if err != nil {
+			return nil, err
+		}
+		return dInterval.Duration, nil
+	},
+}
+
+// interval_out represents the PostgreSQL function of interval type IO output.
+var interval_out = framework.Function1{
+	Name:       "interval_out",
+	Return:     pgtypes.Cstring,
+	Parameters: [1]*pgtypes.DoltgresType{pgtypes.Interval},
+	Strict:     true,
+	Callable: func(ctx *sql.Context, t [2]*pgtypes.DoltgresType, val any) (any, error) {
+		return val.(duration.Duration).String(), nil
+	},
+}
+
+// interval_recv represents the PostgreSQL function of interval type IO receive.
+var interval_recv = framework.Function3{
+	Name:       "interval_recv",
+	Return:     pgtypes.Interval,
+	Parameters: [3]*pgtypes.DoltgresType{pgtypes.Internal, pgtypes.Oid, pgtypes.Int32},
+	Strict:     true,
+	Callable: func(ctx *sql.Context, _ [4]*pgtypes.DoltgresType, val1, val2, val3 any) (any, error) {
+		data := val1.([]byte)
+		if data == nil {
+			return nil, nil
+		}
+		var out pgtype.Interval
+		err := out.DecodeBinary(nil, data)
+		if err != nil {
+			return nil, err
+		}
+		return duration.MakeDuration(out.Microseconds*1000, int64(out.Days), int64(out.Months)), nil
+	},
+}
+
+// interval_send represents the PostgreSQL function of interval type IO send.
+var interval_send = framework.Function1{
+	Name:       "interval_send",
+	Return:     pgtypes.Bytea,
+	Parameters: [1]*pgtypes.DoltgresType{pgtypes.Interval},
+	Strict:     true,
+	Callable: func(ctx *sql.Context, _ [2]*pgtypes.DoltgresType, val any) (any, error) {
+		dur := val.(duration.Duration)
+		writer := utils.NewWireWriter()
+		writer.WriteInt64(dur.Nanos() / 1000)
+		writer.WriteInt32(int32(dur.Days))
+		writer.WriteInt32(int32(dur.Months))
+		return writer.BufferData(), nil
+	},
+}
+
+// intervaltypmodin represents the PostgreSQL function of interval type IO typmod input.
+var intervaltypmodin = framework.Function1{
+	Name:       "intervaltypmodin",
+	Return:     pgtypes.Int32,
+	Parameters: [1]*pgtypes.DoltgresType{pgtypes.CstringArray},
+	Strict:     true,
+	Callable: func(ctx *sql.Context, _ [2]*pgtypes.DoltgresType, val any) (any, error) {
+		// TODO: implement interval fields and precision
+		return int32(0), nil
+	},
+}
+
+// intervaltypmodout represents the PostgreSQL function of interval type IO typmod output.
+var intervaltypmodout = framework.Function1{
+	Name:       "intervaltypmodout",
+	Return:     pgtypes.Cstring,
+	Parameters: [1]*pgtypes.DoltgresType{pgtypes.Int32},
+	Strict:     true,
+	Callable: func(ctx *sql.Context, _ [2]*pgtypes.DoltgresType, val any) (any, error) {
+		// TODO: implement interval fields and precision
+		return "", nil
+	},
+}
+
+// interval_cmp represents the PostgreSQL function of interval type compare.
+var interval_cmp = framework.Function2{
+	Name:       "interval_cmp",
+	Return:     pgtypes.Int32,
+	Parameters: [2]*pgtypes.DoltgresType{pgtypes.Interval, pgtypes.Interval},
+	Strict:     true,
+	Callable: func(ctx *sql.Context, _ [3]*pgtypes.DoltgresType, val1, val2 any) (any, error) {
+		ab := val1.(duration.Duration)
+		bb := val2.(duration.Duration)
+		return int32(ab.Compare(bb)), nil
+	},
+}