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uint.go
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uint.go
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/*
* Copyright The OpenTelemetry Authors
*
* 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 builder
import (
"math"
"github.com/apache/arrow/go/v16/arrow/array"
"github.com/open-telemetry/otel-arrow/pkg/otel/common/schema"
"github.com/open-telemetry/otel-arrow/pkg/otel/common/schema/update"
)
// Uint8Builder is a wrapper around the arrow array builder for uint8.
type Uint8Builder struct {
builder array.Builder
transformNode *schema.TransformNode
updateRequest *update.SchemaUpdateRequest
}
func (b *Uint8Builder) Append(value uint8) {
if b.builder != nil {
switch builder := b.builder.(type) {
case *array.Uint8Builder:
builder.Append(value)
case *array.Uint8DictionaryBuilder:
if err := builder.Append(value); err != nil {
// Should never happen.
panic(err)
}
default:
// Should never happen.
panic("unknown builder type")
}
return
}
if value != 0 && b.updateRequest != nil {
// If the builder is nil, then the transform node is not optional.
b.transformNode.RemoveOptional()
b.updateRequest.Inc(&update.NewFieldEvent{FieldName: b.transformNode.Path()})
b.updateRequest = nil // No need to report this again.
}
}
func (b *Uint8Builder) AppendNonZero(value uint8) {
if b.builder != nil {
if value != 0 {
switch builder := b.builder.(type) {
case *array.Uint8Builder:
builder.Append(value)
case *array.Uint8DictionaryBuilder:
if err := builder.Append(value); err != nil {
// Should never happen.
panic(err)
}
default:
// Should never happen.
panic("unknown builder type")
}
} else {
b.builder.AppendNull()
}
return
}
if value != 0 && b.updateRequest != nil {
// If the builder is nil, then the transform node is not optional.
b.transformNode.RemoveOptional()
b.updateRequest.Inc(&update.NewFieldEvent{FieldName: b.transformNode.Path()})
b.updateRequest = nil // No need to report this again.
}
}
// Uint16Builder is a wrapper around the arrow array builder for uint16.
type Uint16Builder struct {
builder array.Builder
transformNode *schema.TransformNode
updateRequest *update.SchemaUpdateRequest
}
func (b *Uint16Builder) Append(value uint16) {
if b.builder != nil {
switch builder := b.builder.(type) {
case *array.Uint16Builder:
builder.Append(value)
case *array.Uint16DictionaryBuilder:
if err := builder.Append(value); err != nil {
// Should never happen.
panic(err)
}
default:
// Should never happen.
panic("unknown builder type")
}
return
}
if value != 0 && b.updateRequest != nil {
// If the builder is nil, then the transform node is not optional.
b.transformNode.RemoveOptional()
b.updateRequest.Inc(&update.NewFieldEvent{FieldName: b.transformNode.Path()})
b.updateRequest = nil // No need to report this again.
}
}
func (b *Uint16Builder) AppendNonZero(value uint16) {
if b.builder != nil {
if value != 0 {
switch builder := b.builder.(type) {
case *array.Uint16Builder:
builder.Append(value)
case *array.Uint16DictionaryBuilder:
if err := builder.Append(value); err != nil {
// Should never happen.
panic(err)
}
default:
// Should never happen.
panic("unknown builder type")
}
} else {
b.builder.AppendNull()
}
return
}
if value != 0 && b.updateRequest != nil {
// If the builder is nil, then the transform node is not optional.
b.transformNode.RemoveOptional()
b.updateRequest.Inc(&update.NewFieldEvent{FieldName: b.transformNode.Path()})
b.updateRequest = nil // No need to report this again.
}
}
func (b *Uint16Builder) AppendNull() {
if b.builder != nil {
b.builder.AppendNull()
return
}
}
// Uint32Builder is a wrapper around the arrow array builder for uint32.
type Uint32Builder struct {
builder array.Builder
transformNode *schema.TransformNode
updateRequest *update.SchemaUpdateRequest
}
func (b *Uint32Builder) Append(value uint32) {
if b.builder != nil {
switch builder := b.builder.(type) {
case *array.Uint32Builder:
builder.Append(value)
case *array.Uint32DictionaryBuilder:
if err := builder.Append(value); err != nil {
// Should never happen.
panic(err)
}
default:
// Should never happen.
panic("unknown builder type")
}
return
}
if value != 0 && b.updateRequest != nil {
// If the builder is nil, then the transform node is not optional.
b.transformNode.RemoveOptional()
b.updateRequest.Inc(&update.NewFieldEvent{FieldName: b.transformNode.Path()})
b.updateRequest = nil // No need to report this again.
}
}
func (b *Uint32Builder) AppendNonZero(value uint32) {
if b.builder != nil {
if value != 0 {
switch builder := b.builder.(type) {
case *array.Uint32Builder:
builder.Append(value)
case *array.Uint32DictionaryBuilder:
if err := builder.Append(value); err != nil {
// Should never happen.
panic(err)
}
default:
// Should never happen.
panic("unknown builder type")
}
} else {
b.builder.AppendNull()
}
return
}
if value != 0 && b.updateRequest != nil {
// If the builder is nil, then the transform node is not optional.
b.transformNode.RemoveOptional()
b.updateRequest.Inc(&update.NewFieldEvent{FieldName: b.transformNode.Path()})
b.updateRequest = nil // No need to report this again.
}
}
func (b *Uint32Builder) AppendNull() {
if b.builder != nil {
b.builder.AppendNull()
return
}
}
// Uint16DeltaBuilder is a wrapper around the arrow array builder for uint16
// with delta encoding.
type Uint16DeltaBuilder struct {
builder array.Builder
transformNode *schema.TransformNode
updateRequest *update.SchemaUpdateRequest
// Used to calculate the delta.
prev uint16
// Used to enforce delta encoding.
maxDelta uint16
}
// NewUint16DeltaBuilder creates a new Uint16DeltaBuilder.
func NewUint16DeltaBuilder(b array.Builder, transformNode *schema.TransformNode, updateReq *update.SchemaUpdateRequest) *Uint16DeltaBuilder {
return &Uint16DeltaBuilder{
builder: b,
transformNode: transformNode,
updateRequest: updateReq,
maxDelta: math.MaxUint16,
}
}
func (b *Uint16DeltaBuilder) SetMaxDelta(delta uint16) {
b.maxDelta = delta
}
func (b *Uint16DeltaBuilder) Append(value uint16) {
if b.builder != nil {
switch builder := b.builder.(type) {
case *array.Uint16Builder:
if builder.Len() == 0 {
builder.Append(value)
} else {
if value < b.prev {
// Should never happen.
panic("value is less than previous value")
}
delta := value - b.prev
if delta > b.maxDelta {
panic("delta is greater than max delta, consider sorting the data")
}
builder.Append(delta)
}
b.prev = value
case *array.Uint16DictionaryBuilder:
if err := builder.Append(value); err != nil {
// Should never happen.
panic(err)
}
default:
// Should never happen.
panic("unknown builder type")
}
return
}
if b.updateRequest != nil {
// If the builder is nil, then the transform node is not optional.
b.transformNode.RemoveOptional()
b.updateRequest.Inc(&update.NewFieldEvent{FieldName: b.transformNode.Path()})
b.updateRequest = nil // No need to report this again.
}
}
func (b *Uint16DeltaBuilder) AppendNull() {
if b.builder != nil {
if b.builder.Len() == 0 {
b.prev = 0
}
b.builder.AppendNull()
return
}
}
// Uint32DeltaBuilder is a wrapper around the arrow array builder for uint32
// with delta encoding.
type Uint32DeltaBuilder struct {
builder array.Builder
transformNode *schema.TransformNode
updateRequest *update.SchemaUpdateRequest
// Used to calculate the delta.
prev uint32
// Used to enforce delta encoding.
maxDelta uint32
}
// NewUint32DeltaBuilder creates a new Uint16DeltaBuilder.
func NewUint32DeltaBuilder(b array.Builder, transformNode *schema.TransformNode, updateReq *update.SchemaUpdateRequest) *Uint32DeltaBuilder {
return &Uint32DeltaBuilder{
builder: b,
transformNode: transformNode,
updateRequest: updateReq,
maxDelta: math.MaxUint32,
}
}
func (b *Uint32DeltaBuilder) SetMaxDelta(delta uint32) {
b.maxDelta = delta
}
func (b *Uint32DeltaBuilder) Append(value uint32) {
if b.builder != nil {
switch builder := b.builder.(type) {
case *array.Uint32Builder:
if builder.Len() == 0 {
builder.Append(value)
} else {
if value < b.prev {
// Should never happen.
panic("value is less than previous value")
}
delta := value - b.prev
if delta > b.maxDelta {
panic("delta is greater than max delta, consider sorting the data")
}
builder.Append(delta)
}
b.prev = value
case *array.Uint32DictionaryBuilder:
if err := builder.Append(value); err != nil {
// Should never happen.
panic(err)
}
default:
// Should never happen.
panic("unknown builder type")
}
return
}
if b.updateRequest != nil {
// If the builder is nil, then the transform node is not optional.
b.transformNode.RemoveOptional()
b.updateRequest.Inc(&update.NewFieldEvent{FieldName: b.transformNode.Path()})
b.updateRequest = nil // No need to report this again.
}
}
func (b *Uint32DeltaBuilder) AppendNull() {
if b.builder != nil {
if b.builder.Len() == 0 {
b.prev = 0
}
b.builder.AppendNull()
return
}
}
// Uint64Builder is a wrapper around the arrow array builder for uint64.
type Uint64Builder struct {
builder array.Builder
transformNode *schema.TransformNode
updateRequest *update.SchemaUpdateRequest
}
func (b *Uint64Builder) Append(value uint64) {
if b.builder != nil {
switch builder := b.builder.(type) {
case *array.Uint64Builder:
builder.Append(value)
case *array.Uint64DictionaryBuilder:
if err := builder.Append(value); err != nil {
// Should never happen.
panic(err)
}
default:
// Should never happen.
panic("unknown builder type")
}
return
}
if value != 0 && b.updateRequest != nil {
// If the builder is nil, then the transform node is not optional.
b.transformNode.RemoveOptional()
b.updateRequest.Inc(&update.NewFieldEvent{FieldName: b.transformNode.Path()})
b.updateRequest = nil // No need to report this again.
}
}
func (b *Uint64Builder) AppendNonZero(value uint64) {
if b.builder != nil {
if value != 0 {
switch builder := b.builder.(type) {
case *array.Uint64Builder:
builder.Append(value)
case *array.Uint64DictionaryBuilder:
if err := builder.Append(value); err != nil {
// Should never happen.
panic(err)
}
default:
// Should never happen.
panic("unknown builder type")
}
} else {
b.builder.AppendNull()
}
return
}
if value != 0 && b.updateRequest != nil {
// If the builder is nil, then the transform node is not optional.
b.transformNode.RemoveOptional()
b.updateRequest.Inc(&update.NewFieldEvent{FieldName: b.transformNode.Path()})
b.updateRequest = nil // No need to report this again.
}
}
func (b *Uint64Builder) AppendNull() {
if b.builder != nil {
b.builder.AppendNull()
return
}
}