wehub-resource-sync
126 lines
3.9 KiB
Go
126 lines
3.9 KiB
Go
// Copyright 2026 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 functions
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import (
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"strings"
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"github.com/dolthub/go-mysql-server/sql"
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"github.com/dolthub/doltgresql/core/id"
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"github.com/dolthub/doltgresql/server/functions/framework"
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pgtypes "github.com/dolthub/doltgresql/server/types"
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)
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// initOidvector registers the functions to the catalog.
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func initOidvector() {
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framework.RegisterFunction(oidvectorin)
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framework.RegisterFunction(oidvectorout)
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framework.RegisterFunction(oidvectorrecv)
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framework.RegisterFunction(oidvectorsend)
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framework.RegisterFunction(btoidvectorcmp)
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}
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// oidvectorin represents the PostgreSQL function of oidvector type IO input.
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var oidvectorin = framework.Function1{
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Name: "oidvectorin",
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Return: pgtypes.Oidvector,
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Parameters: [1]*pgtypes.DoltgresType{pgtypes.Cstring},
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Strict: true,
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Callable: func(ctx *sql.Context, _ [2]*pgtypes.DoltgresType, val any) (any, error) {
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input := val.(string)
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strValues := strings.Split(input, " ")
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var values = make([]any, len(strValues))
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for i, strValue := range strValues {
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innerValue, err := pgtypes.Oid.IoInput(ctx, strValue)
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if err != nil {
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return nil, err
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}
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values[i] = innerValue
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}
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return values, nil
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},
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}
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// oidvectorout represents the PostgreSQL function of oidvector type IO output.
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var oidvectorout = framework.Function1{
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Name: "oidvectorout",
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Return: pgtypes.Cstring,
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Parameters: [1]*pgtypes.DoltgresType{pgtypes.Oidvector},
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Strict: true,
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Callable: func(ctx *sql.Context, _ [2]*pgtypes.DoltgresType, val any) (any, error) {
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return pgtypes.VectorToString(ctx, val.([]any), pgtypes.Oid)
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},
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}
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// oidvectorrecv represents the PostgreSQL function of oidvector type IO receive.
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var oidvectorrecv = framework.Function1{
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Name: "oidvectorrecv",
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Return: pgtypes.Oidvector,
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Parameters: [1]*pgtypes.DoltgresType{pgtypes.Internal},
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Strict: true,
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Callable: func(ctx *sql.Context, t [2]*pgtypes.DoltgresType, val any) (any, error) {
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tArr := [4]*pgtypes.DoltgresType{t[0], pgtypes.Oid, pgtypes.Int32, t[1]}
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return array_recv.Callable(ctx, tArr, val, id.Cache().ToOID(t[1].ID.AsId()), -1)
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},
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}
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// oidvectorsend represents the PostgreSQL function of oidvector type IO send.
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var oidvectorsend = framework.Function1{
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Name: "oidvectorsend",
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Return: pgtypes.Bytea,
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Parameters: [1]*pgtypes.DoltgresType{pgtypes.Oidvector},
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Strict: true,
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Callable: func(ctx *sql.Context, t [2]*pgtypes.DoltgresType, val any) (any, error) {
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return array_send.Callable(ctx, t, val)
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},
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}
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// btoidvectorcmp represents the PostgreSQL function of oidvector type IO input.
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var btoidvectorcmp = framework.Function2{
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Name: "btoidvectorcmp",
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Return: pgtypes.Bool,
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Parameters: [2]*pgtypes.DoltgresType{pgtypes.Oidvector, pgtypes.Oidvector},
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Strict: true,
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Callable: func(ctx *sql.Context, _ [3]*pgtypes.DoltgresType, val1, val2 any) (any, error) {
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leftOidvector := val1.([]any)
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rightOidvector := val2.([]any)
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llen := len(leftOidvector)
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rlen := len(rightOidvector)
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minLen := min(llen, rlen)
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for i := 0; i < minLen; i++ {
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lOid := id.Cache().ToOID(leftOidvector[i].(id.Id))
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rOid := id.Cache().ToOID(rightOidvector[i].(id.Id))
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if lOid < rOid {
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return int32(-1), nil
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}
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if lOid > rOid {
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return int32(1), nil
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}
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}
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// Compare lengths if all elements matched
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if llen < rlen {
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return int32(-1), nil
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} else if llen > rlen {
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return int32(1), nil
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}
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return int32(0), nil
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},
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}
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