From 365e7bf2b1cd671e513a32fe4126536df5adcfaf Mon Sep 17 00:00:00 2001
From: Ye Kuang <k-ye@users.noreply.github.com>
Date: Mon, 30 Sep 2019 12:06:31 +0900
Subject: [PATCH] expression: implement vectorized evaluation for
 `builtinUnaryNot` series functions (#12461)

---
 expression/builtin_op_vec.go      | 76 ++++++++++++++++++++++++++++---
 expression/builtin_op_vec_test.go |  6 ++-
 2 files changed, 75 insertions(+), 7 deletions(-)

diff --git a/expression/builtin_op_vec.go b/expression/builtin_op_vec.go
index 24ca5dadec..0544282cbc 100644
--- a/expression/builtin_op_vec.go
+++ b/expression/builtin_op_vec.go
@@ -135,11 +135,35 @@ func (b *builtinRealIsNullSig) vecEvalInt(input *chunk.Chunk, result *chunk.Colu
 }
 
 func (b *builtinUnaryNotRealSig) vectorized() bool {
-	return false
+	return true
 }
 
 func (b *builtinUnaryNotRealSig) vecEvalInt(input *chunk.Chunk, result *chunk.Column) error {
-	return errors.Errorf("not implemented")
+	n := input.NumRows()
+	buf, err := b.bufAllocator.get(types.ETReal, n)
+	if err != nil {
+		return err
+	}
+	defer b.bufAllocator.put(buf)
+	if err := b.args[0].VecEvalReal(b.ctx, input, buf); err != nil {
+		return err
+	}
+	f64s := buf.Float64s()
+
+	result.ResizeInt64(n, false)
+	result.MergeNulls(buf)
+	i64s := result.Int64s()
+	for i := 0; i < n; i++ {
+		if result.IsNull(i) {
+			continue
+		}
+		if f64s[i] == 0 {
+			i64s[i] = 1
+		} else {
+			i64s[i] = 0
+		}
+	}
+	return nil
 }
 
 func (b *builtinLogicAndSig) vectorized() bool {
@@ -262,19 +286,59 @@ func (b *builtinUnaryMinusIntSig) vecEvalInt(input *chunk.Chunk, result *chunk.C
 }
 
 func (b *builtinUnaryNotDecimalSig) vectorized() bool {
-	return false
+	return true
 }
 
 func (b *builtinUnaryNotDecimalSig) vecEvalInt(input *chunk.Chunk, result *chunk.Column) error {
-	return errors.Errorf("not implemented")
+	n := input.NumRows()
+	buf, err := b.bufAllocator.get(types.ETDecimal, n)
+	if err != nil {
+		return err
+	}
+	defer b.bufAllocator.put(buf)
+	if err := b.args[0].VecEvalDecimal(b.ctx, input, buf); err != nil {
+		return err
+	}
+	decs := buf.Decimals()
+
+	result.ResizeInt64(n, false)
+	result.MergeNulls(buf)
+	i64s := result.Int64s()
+	for i := 0; i < n; i++ {
+		if result.IsNull(i) {
+			continue
+		}
+		if decs[i].IsZero() {
+			i64s[i] = 1
+		} else {
+			i64s[i] = 0
+		}
+	}
+	return nil
 }
 
 func (b *builtinUnaryNotIntSig) vectorized() bool {
-	return false
+	return true
 }
 
 func (b *builtinUnaryNotIntSig) vecEvalInt(input *chunk.Chunk, result *chunk.Column) error {
-	return errors.Errorf("not implemented")
+	n := input.NumRows()
+	if err := b.args[0].VecEvalInt(b.ctx, input, result); err != nil {
+		return err
+	}
+
+	i64s := result.Int64s()
+	for i := 0; i < n; i++ {
+		if result.IsNull(i) {
+			continue
+		}
+		if i64s[i] == 0 {
+			i64s[i] = 1
+		} else {
+			i64s[i] = 0
+		}
+	}
+	return nil
 }
 
 func (b *builtinDecimalIsNullSig) vectorized() bool {
diff --git a/expression/builtin_op_vec_test.go b/expression/builtin_op_vec_test.go
index 7b1ae57494..8dc0d869e2 100644
--- a/expression/builtin_op_vec_test.go
+++ b/expression/builtin_op_vec_test.go
@@ -34,7 +34,11 @@ var vecBuiltinOpCases = map[string][]vecExprBenchCase{
 	ast.LogicAnd: {
 		{retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETInt, types.ETInt}, geners: makeBinaryLogicOpDataGeners()},
 	},
-	ast.UnaryNot:   {},
+	ast.UnaryNot: {
+		{retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETReal}},
+		{retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETDecimal}},
+		{retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETInt}},
+	},
 	ast.UnaryMinus: {},
 	ast.IsNull:     {},
 }