tidb/expression/builtin_json_vec.go

// Copyright 2019 PingCAP, 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,
// See the License for the specific language governing permissions and
// limitations under the License.

package expression

import (
	"github.com/pingcap/errors"
	"github.com/pingcap/tidb/types"
	"github.com/pingcap/tidb/types/json"
	"github.com/pingcap/tidb/util/chunk"
)

func (b *builtinJSONDepthSig) vectorized() bool {
	return true
}

func (b *builtinJSONDepthSig) vecEvalInt(input *chunk.Chunk, result *chunk.Column) error {
	n := input.NumRows()
	buf, err := b.bufAllocator.get(types.ETJson, n)
	if err != nil {
		return err
	}
	defer b.bufAllocator.put(buf)
	if err := b.args[0].VecEvalJSON(b.ctx, input, buf); err != nil {
		return err
	}
	result.ResizeInt64(n, false)
	result.MergeNulls(buf)
	int64s := result.Int64s()
	for i := 0; i < n; i++ {
		if result.IsNull(i) {
			continue
		}
		j := buf.GetJSON(i)
		int64s[i] = int64(j.GetElemDepth())
	}
	return nil
}

func (b *builtinJSONKeysSig) vectorized() bool {
	return true
}

func (b *builtinJSONKeysSig) vecEvalJSON(input *chunk.Chunk, result *chunk.Column) error {
	n := input.NumRows()
	buf, err := b.bufAllocator.get(types.ETJson, n)
	if err != nil {
		return err
	}
	defer b.bufAllocator.put(buf)
	if err := b.args[0].VecEvalJSON(b.ctx, input, buf); err != nil {
		return err
	}

	result.ReserveJSON(n)
	var j json.BinaryJSON
	for i := 0; i < n; i++ {
		if buf.IsNull(i) {
			result.AppendNull()
			continue
		}

		j = buf.GetJSON(i)
		if j.TypeCode != json.TypeCodeObject {
			return json.ErrInvalidJSONData
		}
		result.AppendJSON(j.GetKeys())
	}
	return nil
}

func (b *builtinJSONInsertSig) vectorized() bool {
	return false
}

func (b *builtinJSONInsertSig) vecEvalJSON(input *chunk.Chunk, result *chunk.Column) error {
	return errors.Errorf("not implemented")
}

func (b *builtinJSONReplaceSig) vectorized() bool {
	return false
}

func (b *builtinJSONReplaceSig) vecEvalJSON(input *chunk.Chunk, result *chunk.Column) error {
	return errors.Errorf("not implemented")
}

func (b *builtinJSONArraySig) vectorized() bool {
	return false
}

func (b *builtinJSONArraySig) vecEvalJSON(input *chunk.Chunk, result *chunk.Column) error {
	return errors.Errorf("not implemented")
}

func (b *builtinJSONContainsSig) vectorized() bool {
	return false
}

func (b *builtinJSONContainsSig) vecEvalInt(input *chunk.Chunk, result *chunk.Column) error {
	return errors.Errorf("not implemented")
}

func (b *builtinJSONQuoteSig) vectorized() bool {
	return true
}

func (b *builtinJSONQuoteSig) vecEvalString(input *chunk.Chunk, result *chunk.Column) error {
	n := input.NumRows()
	buf, err := b.bufAllocator.get(types.ETJson, n)
	if err != nil {
		return err
	}
	defer b.bufAllocator.put(buf)
	if err := b.args[0].VecEvalJSON(b.ctx, input, buf); err != nil {
		return err
	}

	result.ReserveString(n)
	for i := 0; i < n; i++ {
		if buf.IsNull(i) {
			result.AppendNull()
			continue
		}
		result.AppendString(buf.GetJSON(i).Quote())
	}
	return nil
}

func (b *builtinJSONSearchSig) vectorized() bool {
	return false
}

func (b *builtinJSONSearchSig) vecEvalJSON(input *chunk.Chunk, result *chunk.Column) error {
	return errors.Errorf("not implemented")
}

func (b *builtinJSONSetSig) vectorized() bool {
	return false
}

func (b *builtinJSONSetSig) vecEvalJSON(input *chunk.Chunk, result *chunk.Column) error {
	return errors.Errorf("not implemented")
}

func (b *builtinJSONObjectSig) vectorized() bool {
	return false
}

func (b *builtinJSONObjectSig) vecEvalJSON(input *chunk.Chunk, result *chunk.Column) error {
	return errors.Errorf("not implemented")
}

func (b *builtinJSONArrayInsertSig) vectorized() bool {
	return false
}

func (b *builtinJSONArrayInsertSig) vecEvalJSON(input *chunk.Chunk, result *chunk.Column) error {
	return errors.Errorf("not implemented")
}

func (b *builtinJSONKeys2ArgsSig) vectorized() bool {
	return false
}

func (b *builtinJSONKeys2ArgsSig) vecEvalJSON(input *chunk.Chunk, result *chunk.Column) error {
	return errors.Errorf("not implemented")
}

func (b *builtinJSONLengthSig) vectorized() bool {
	return false
}

func (b *builtinJSONLengthSig) vecEvalInt(input *chunk.Chunk, result *chunk.Column) error {
	return errors.Errorf("not implemented")
}

func (b *builtinJSONTypeSig) vectorized() bool {
	return true
}

func (b *builtinJSONTypeSig) vecEvalString(input *chunk.Chunk, result *chunk.Column) error {
	n := input.NumRows()
	buf, err := b.bufAllocator.get(types.ETJson, n)
	if err != nil {
		return err
	}
	defer b.bufAllocator.put(buf)
	if err := b.args[0].VecEvalJSON(b.ctx, input, buf); err != nil {
		return err
	}

	result.ReserveString(n)
	for i := 0; i < n; i++ {
		if buf.IsNull(i) {
			result.AppendNull()
			continue
		}
		result.AppendString(buf.GetJSON(i).Type())
	}
	return nil
}

func (b *builtinJSONExtractSig) vectorized() bool {
	return false
}

func (b *builtinJSONExtractSig) vecEvalJSON(input *chunk.Chunk, result *chunk.Column) error {
	return errors.Errorf("not implemented")
}

func (b *builtinJSONRemoveSig) vectorized() bool {
	return false
}

func (b *builtinJSONRemoveSig) vecEvalJSON(input *chunk.Chunk, result *chunk.Column) error {
	return errors.Errorf("not implemented")
}

func (b *builtinJSONMergeSig) vectorized() bool {
	return false
}

func (b *builtinJSONMergeSig) vecEvalJSON(input *chunk.Chunk, result *chunk.Column) error {
	return errors.Errorf("not implemented")
}

func (b *builtinJSONContainsPathSig) vectorized() bool {
	return false
}

func (b *builtinJSONContainsPathSig) vecEvalInt(input *chunk.Chunk, result *chunk.Column) error {
	return errors.Errorf("not implemented")
}

func (b *builtinJSONArrayAppendSig) vectorized() bool {
	return false
}

func (b *builtinJSONArrayAppendSig) vecEvalJSON(input *chunk.Chunk, result *chunk.Column) error {
	return errors.Errorf("not implemented")
}

func (b *builtinJSONUnquoteSig) vectorized() bool {
	return true
}

func (b *builtinJSONUnquoteSig) vecEvalString(input *chunk.Chunk, result *chunk.Column) error {
	n := input.NumRows()
	buf, err := b.bufAllocator.get(types.ETJson, n)
	if err != nil {
		return err
	}
	defer b.bufAllocator.put(buf)
	if err := b.args[0].VecEvalJSON(b.ctx, input, buf); err != nil {
		return err
	}

	result.ReserveString(n)
	for i := 0; i < n; i++ {
		if buf.IsNull(i) {
			result.AppendNull()
			continue
		}
		res, err := buf.GetJSON(i).Unquote()
		if err != nil {
			return err
		}
		result.AppendString(res)
	}
	return nil
}