fix(go.sum): update ResolveSpec dependency to v1.0.87

vendor/github.com/uptrace/bun/driver/pgdriver/write_buffer.go

@@ -0,0 +1,112 @@
+package pgdriver
+
+import (
+	"encoding/binary"
+	"io"
+	"sync"
+)
+
+var wbPool = sync.Pool{
+	New: func() interface{} {
+		return newWriteBuffer()
+	},
+}
+
+func getWriteBuffer() *writeBuffer {
+	wb := wbPool.Get().(*writeBuffer)
+	return wb
+}
+
+func putWriteBuffer(wb *writeBuffer) {
+	wb.Reset()
+	wbPool.Put(wb)
+}
+
+type writeBuffer struct {
+	Bytes []byte
+
+	msgStart   int
+	paramStart int
+}
+
+func newWriteBuffer() *writeBuffer {
+	return &writeBuffer{
+		Bytes: make([]byte, 0, 1024),
+	}
+}
+
+func (b *writeBuffer) Reset() {
+	b.Bytes = b.Bytes[:0]
+}
+
+func (b *writeBuffer) StartMessage(c byte) {
+	if c == 0 {
+		b.msgStart = len(b.Bytes)
+		b.Bytes = append(b.Bytes, 0, 0, 0, 0)
+	} else {
+		b.msgStart = len(b.Bytes) + 1
+		b.Bytes = append(b.Bytes, c, 0, 0, 0, 0)
+	}
+}
+
+func (b *writeBuffer) FinishMessage() {
+	binary.BigEndian.PutUint32(
+		b.Bytes[b.msgStart:], uint32(len(b.Bytes)-b.msgStart))
+}
+
+func (b *writeBuffer) Query() []byte {
+	return b.Bytes[b.msgStart+4 : len(b.Bytes)-1]
+}
+
+func (b *writeBuffer) StartParam() {
+	b.paramStart = len(b.Bytes)
+	b.Bytes = append(b.Bytes, 0, 0, 0, 0)
+}
+
+func (b *writeBuffer) FinishParam() {
+	binary.BigEndian.PutUint32(
+		b.Bytes[b.paramStart:], uint32(len(b.Bytes)-b.paramStart-4))
+}
+
+var nullParamLength = int32(-1)
+
+func (b *writeBuffer) FinishNullParam() {
+	binary.BigEndian.PutUint32(
+		b.Bytes[b.paramStart:], uint32(nullParamLength))
+}
+
+func (b *writeBuffer) Write(data []byte) (int, error) {
+	b.Bytes = append(b.Bytes, data...)
+	return len(data), nil
+}
+
+func (b *writeBuffer) WriteInt16(num int16) {
+	b.Bytes = append(b.Bytes, 0, 0)
+	binary.BigEndian.PutUint16(b.Bytes[len(b.Bytes)-2:], uint16(num))
+}
+
+func (b *writeBuffer) WriteInt32(num int32) {
+	b.Bytes = append(b.Bytes, 0, 0, 0, 0)
+	binary.BigEndian.PutUint32(b.Bytes[len(b.Bytes)-4:], uint32(num))
+}
+
+func (b *writeBuffer) WriteString(s string) {
+	b.Bytes = append(b.Bytes, s...)
+	b.Bytes = append(b.Bytes, 0)
+}
+
+func (b *writeBuffer) WriteBytes(data []byte) {
+	b.Bytes = append(b.Bytes, data...)
+	b.Bytes = append(b.Bytes, 0)
+}
+
+func (b *writeBuffer) WriteByte(c byte) error {
+	b.Bytes = append(b.Bytes, c)
+	return nil
+}
+
+func (b *writeBuffer) ReadFrom(r io.Reader) (int64, error) {
+	n, err := r.Read(b.Bytes[len(b.Bytes):cap(b.Bytes)])
+	b.Bytes = b.Bytes[:len(b.Bytes)+n]
+	return int64(n), err
+}