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[feat][runtime] Support decimal pushdown.
1 parent 81a5ea7 commit c395c07

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11 files changed

+189
-14
lines changed

11 files changed

+189
-14
lines changed

‎coding/src/main/java/io/dingodb/expr/coding/ExprCoder.java‎

Lines changed: 40 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -16,7 +16,9 @@
1616

1717
package io.dingodb.expr.coding;
1818

19+
import io.dingodb.expr.common.type.DecimalType;
1920
import io.dingodb.expr.common.type.Type;
21+
import io.dingodb.expr.common.type.Types;
2022
import io.dingodb.expr.runtime.expr.BinaryOpExpr;
2123
import io.dingodb.expr.runtime.expr.Expr;
2224
import io.dingodb.expr.runtime.expr.ExprVisitorBase;
@@ -227,18 +229,39 @@ public CodingFlag visitUnaryOpExpr(@NonNull UnaryOpExpr expr, OutputStream obj)
227229
public CodingFlag visitBinaryOpExpr(@NonNull BinaryOpExpr expr, OutputStream obj) {
228230
if (visit(expr.getOperand0(), obj) == CodingFlag.OK && visit(expr.getOperand1(), obj) == CodingFlag.OK) {
229231
boolean success = false;
232+
Type t;
230233
switch (expr.getOpType()) {
231234
case ADD:
232-
success = writeOpWithType(obj, ADD, (Type) expr.getOp().getKey());
235+
t = (Type) expr.getOp().getKey();
236+
if (t instanceof DecimalType) {
237+
success = false;
238+
} else {
239+
success = writeOpWithType(obj, ADD, (Type) expr.getOp().getKey());
240+
}
233241
break;
234242
case SUB:
235-
success = writeOpWithType(obj, SUB, (Type) expr.getOp().getKey());
243+
t = (Type) expr.getOp().getKey();
244+
if (t instanceof DecimalType) {
245+
success = false;
246+
} else {
247+
success = writeOpWithType(obj, SUB, (Type) expr.getOp().getKey());
248+
}
236249
break;
237250
case MUL:
238-
success = writeOpWithType(obj, MUL, (Type) expr.getOp().getKey());
251+
t = (Type) expr.getOp().getKey();
252+
if (t instanceof DecimalType) {
253+
success = false;
254+
} else {
255+
success = writeOpWithType(obj, MUL, (Type) expr.getOp().getKey());
256+
}
239257
break;
240258
case DIV:
241-
success = writeOpWithType(obj, DIV, (Type) expr.getOp().getKey());
259+
t = (Type) expr.getOp().getKey();
260+
if (t instanceof DecimalType) {
261+
success = false;
262+
} else {
263+
success = writeOpWithType(obj, DIV, (Type) expr.getOp().getKey());
264+
}
242265
break;
243266
case EQ:
244267
success = writeOpWithType(obj, EQ, (Type) expr.getOp().getKey());
@@ -275,6 +298,13 @@ public CodingFlag visitBinaryOpExpr(@NonNull BinaryOpExpr expr, OutputStream obj
275298
success = writeOpWithType(obj, MAX, (Type) expr.getOp().getKey());
276299
break;
277300
case ModFunFactory.NAME:
301+
t = (Type) expr.getOp().getKey();
302+
if (t instanceof DecimalType) {
303+
//decimal type does not support pushing down.
304+
success = false;
305+
break;
306+
}
307+
278308
success = writeOpWithType(obj, MOD, (Type) expr.getOp().getKey());
279309
break;
280310
default:
@@ -358,10 +388,16 @@ public CodingFlag visitUnaryAggExpr(@NonNull UnaryAggExpr expr, @NonNull OutputS
358388
if (typeCode != null && index instanceof Integer) {
359389
switch (expr.getOp().getName()) {
360390
case CountAgg.NAME:
391+
if ( typeCode == 6) { //Dont support decimal type now.
392+
return null;
393+
}
361394
obj.write(AGG_COUNT | typeCode);
362395
break;
363396
case SumAgg.NAME:
364397
case Sum0Agg.NAME:
398+
if ( typeCode == 6) { //Dont support decimal type now.
399+
return null;
400+
}
365401
obj.write(AGG_SUM | typeCode);
366402
break;
367403
case MaxAgg.NAME:

‎coding/src/main/java/io/dingodb/expr/coding/TypeCoder.java‎

Lines changed: 1 addition & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -70,8 +70,7 @@ public Byte visitBoolType(@NonNull BoolType type, Void obj) {
7070

7171
@Override
7272
public Byte visitDecimalType(@NonNull DecimalType type, Void obj) {
73-
// TODO: Decimal is not supported in libexpr.
74-
return null;
73+
return TYPE_DECIMAL;
7574
}
7675

7776
@Override

‎coding/src/main/java/io/dingodb/expr/coding/ValCoder.java‎

Lines changed: 17 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -19,6 +19,7 @@
1919
import io.dingodb.expr.common.type.ArrayType;
2020
import io.dingodb.expr.common.type.BoolType;
2121
import io.dingodb.expr.common.type.DateType;
22+
import io.dingodb.expr.common.type.DecimalType;
2223
import io.dingodb.expr.common.type.DoubleType;
2324
import io.dingodb.expr.common.type.FloatType;
2425
import io.dingodb.expr.common.type.IntType;
@@ -34,6 +35,7 @@
3435
import org.checkerframework.checker.nullness.qual.NonNull;
3536

3637
import java.io.OutputStream;
38+
import java.math.BigDecimal;
3739
import java.nio.charset.StandardCharsets;
3840
import java.sql.Date;
3941
import java.sql.Timestamp;
@@ -163,6 +165,21 @@ public CodingFlag visitStringType(@NonNull StringType type, OutputStream obj) {
163165
return CodingFlag.OK;
164166
}
165167

168+
@SneakyThrows
169+
@Override
170+
public CodingFlag visitDecimalType(@NonNull DecimalType type, OutputStream obj) {
171+
BigDecimal value = (BigDecimal) val.getValue();
172+
if (value != null) {
173+
obj.write(CONST | TypeCoder.TYPE_DECIMAL);
174+
byte[] bytes = value.toString().getBytes(StandardCharsets.UTF_8);
175+
CodecUtils.encodeVarInt(obj, bytes.length);
176+
obj.write(bytes);
177+
} else {
178+
obj.write(NULL | TypeCoder.TYPE_DECIMAL);
179+
}
180+
return CodingFlag.OK;
181+
}
182+
166183
@Override
167184
public CodingFlag visitArrayType(@NonNull ArrayType type, OutputStream obj) {
168185
return new ArrayCoder(val.getValue()).visit(type.getElementType(), obj);

‎jni/src/main/cpp/CMakeLists.txt‎

Lines changed: 2 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -53,8 +53,10 @@ if(DEFINED ENV{JAVA_HOME})
5353
COMMAND javac -h ./ ${CMAKE_SOURCE_DIR}/../java/io/dingodb/expr/jni/LibExprJni.java
5454
)
5555
add_library(${JNI_LIB_NAME} SHARED libexpr_jni.cc ${JNI_HEADER})
56+
target_include_directories(${JNI_LIB_NAME} PRIVATE ${LIB_EXPR_PATH}/build/contrib/gmp/install/include)
5657
target_include_directories(${JNI_LIB_NAME} PRIVATE ${CMAKE_CURRENT_BINARY_DIR})
5758
target_include_directories(${JNI_LIB_NAME} PRIVATE ${LIB_EXPR_PATH}/src)
59+
target_include_directories(${JNI_LIB_NAME} PRIVATE ${LIB_EXPR_PATH}/src/types/decimal)
5860
target_link_directories(${JNI_LIB_NAME} PRIVATE ${LIB_EXPR_PATH}/build/src/expr)
5961
target_link_libraries(${JNI_LIB_NAME} PRIVATE expr)
6062
else()

‎libexpr‎

Submodule libexpr updated 38 files

‎rel/src/main/java/io/dingodb/expr/rel/TupleCompileContextImpl.java‎

Lines changed: 24 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -20,6 +20,7 @@
2020
import io.dingodb.expr.common.type.Type;
2121
import io.dingodb.expr.runtime.CompileContext;
2222
import io.dingodb.expr.runtime.ExprContext;
23+
import io.dingodb.expr.runtime.ExprPushdownCond;
2324
import lombok.AccessLevel;
2425
import lombok.Getter;
2526
import lombok.RequiredArgsConstructor;
@@ -31,6 +32,9 @@ public class TupleCompileContextImpl implements TupleCompileContext {
3132

3233
private ExprContext exprContext;
3334

35+
private ExprPushdownCond exprPushdownCond;
36+
private boolean notPushdown;
37+
3438
@Override
3539
public CompileContext getChild(Object index) {
3640
return new CompileContext() {
@@ -60,4 +64,24 @@ public ExprContext getExprContext() {
6064
public void setExprContext(ExprContext exprContext) {
6165
this.exprContext = exprContext;
6266
}
67+
68+
@Override
69+
public ExprPushdownCond getExprPushdownCond() {
70+
return exprPushdownCond;
71+
}
72+
73+
@Override
74+
public void setExprPushdownCond(ExprPushdownCond exprPushdownCond) {
75+
this.exprPushdownCond = exprPushdownCond;
76+
}
77+
78+
@Override
79+
public boolean getNotPushdown() {
80+
return notPushdown;
81+
}
82+
83+
@Override
84+
public void setNotPushdown(boolean notPushdown) {
85+
this.notPushdown = notPushdown;
86+
}
6387
}

‎runtime/src/main/java/io/dingodb/expr/runtime/CompileContext.java‎

Lines changed: 16 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -50,4 +50,20 @@ default CompileContext getChild(Object index) {
5050
default ExprContext getExprContext() {
5151
return null;
5252
}
53+
54+
default ExprPushdownCond getExprPushdownCond() {
55+
return null;
56+
}
57+
58+
default void setExprPushdownCond( ExprPushdownCond exprPushdownCond ) {
59+
return;
60+
}
61+
62+
default boolean getNotPushdown() {
63+
return false;
64+
}
65+
66+
default void setNotPushdown( boolean needPushdown ) {
67+
return;
68+
}
5369
}

‎runtime/src/main/java/io/dingodb/expr/runtime/ExprCompiler.java‎

Lines changed: 62 additions & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -16,6 +16,8 @@
1616

1717
package io.dingodb.expr.runtime;
1818

19+
import io.dingodb.expr.common.type.DecimalType;
20+
import io.dingodb.expr.common.type.TupleType;
1921
import io.dingodb.expr.common.type.Type;
2022
import io.dingodb.expr.common.type.Types;
2123
import io.dingodb.expr.runtime.compiler.CastingFactory;
@@ -50,6 +52,20 @@ public class ExprCompiler extends ExprVisitorBase<Expr, CompileContext> {
5052
@Getter
5153
private final ExprConfig config;
5254

55+
private void setPushdownFlag(Type type, CompileContext obj) {
56+
if ( type instanceof DecimalType ) {
57+
if (obj != null && obj.getExprPushdownCond() == ExprPushdownCond.NOT_PUSHDOWN_DECIMAL) {
58+
obj.setNotPushdown(true);
59+
}
60+
} else if (type instanceof TupleType) {
61+
for ( Type t : ((TupleType) type).getTypes() ) {
62+
if (obj != null && obj.getExprPushdownCond() == ExprPushdownCond.NOT_PUSHDOWN_DECIMAL) {
63+
obj.setNotPushdown(true);
64+
}
65+
}
66+
}
67+
}
68+
5369
public void setExprContext(ExprContext ctx) {
5470
this.config.setExprContext(ctx);
5571
}
@@ -65,6 +81,8 @@ public ExprContext getExprContext() {
6581
@Override
6682
public Expr visitVal(@NonNull Val expr, CompileContext obj) {
6783
Type type = expr.getType();
84+
setPushdownFlag(type, obj);
85+
6886
// Do not touch non-scalar type for there's no casting for them.
6987
if (type.isScalar()) {
7088
Object value = expr.getValue();
@@ -84,20 +102,27 @@ public Expr visitVar(@NonNull Var expr, CompileContext obj) {
84102
if (id instanceof String) {
85103
Val val = ConstFactory.INSTANCE.getConst((String) id);
86104
if (val != null) {
105+
setPushdownFlag(val.getType(), obj);
87106
return val;
88107
}
89108
}
90109
if (obj != null) {
91-
return VarFactory.of(id, obj);
110+
Expr expr1 = VarFactory.of(id, obj);
111+
setPushdownFlag(expr1.getType(), obj);
112+
return expr1;
92113
}
93114
throw new ExprCompileException("Compile of vars requires a valid compiling context.");
94115
}
116+
setPushdownFlag(expr.getType(), obj);
117+
95118
return expr;
96119
}
97120

98121
@Override
99122
public Expr visitNullaryOpExpr(@NonNull NullaryOpExpr expr, CompileContext obj) {
100-
return config.withSimplification() ? expr.simplify(config) : expr;
123+
Expr expr1 = config.withSimplification() ? expr.simplify(config) : expr;
124+
setPushdownFlag(expr1.getType(), obj);
125+
return expr1;
101126
}
102127

103128
@Override
@@ -108,44 +133,74 @@ public Expr visitUnaryOpExpr(@NonNull UnaryOpExpr expr, CompileContext obj) {
108133
config.setExprContext(obj.getExprContext());
109134
}
110135

111-
return expr.getOp().compile(operand, config);
136+
Expr expr1 = expr.getOp().compile(operand, config);
137+
setPushdownFlag(expr1.getType(), obj);
138+
return expr1;
112139
}
113140

114141
@Override
115142
public Expr visitBinaryOpExpr(@NonNull BinaryOpExpr expr, CompileContext obj) {
116143
Expr operand0 = visit(expr.getOperand0(), obj);
117144
Expr operand1 = visit(expr.getOperand1(), obj);
118-
return expr.getOp().compile(operand0, operand1, config);
145+
Expr result = expr.getOp().compile(operand0, operand1, config);
146+
147+
setPushdownFlag(operand0.getType(), obj);
148+
setPushdownFlag(operand1.getType(), obj);
149+
setPushdownFlag(result.getType(), obj);
150+
return result;
119151
}
120152

121153
@Override
122154
public Expr visitTertiaryOpExpr(@NonNull TertiaryOpExpr expr, CompileContext obj) {
123155
Expr operand0 = visit(expr.getOperand0(), obj);
124156
Expr operand1 = visit(expr.getOperand1(), obj);
125157
Expr operand2 = visit(expr.getOperand2(), obj);
126-
return expr.getOp().compile(operand0, operand1, operand2, config);
158+
159+
setPushdownFlag(operand0.getType(), obj);
160+
setPushdownFlag(operand1.getType(), obj);
161+
setPushdownFlag(operand2.getType(), obj);
162+
163+
Expr result = expr.getOp().compile(operand0, operand1, operand2, config);
164+
setPushdownFlag(result.getType(), obj);
165+
166+
return result;
127167
}
128168

129169
@Override
130170
public Expr visitVariadicOpExpr(@NonNull VariadicOpExpr expr, CompileContext obj) {
131171
Expr[] operands = Arrays.stream(expr.getOperands())
132172
.map(o -> visit(o, obj))
133173
.toArray(Expr[]::new);
174+
175+
for ( Expr operand : operands ) {
176+
setPushdownFlag(operand.getType(), obj);
177+
}
178+
134179
return expr.getOp().compile(operands, config);
135180
}
136181

137182
@Override
138183
public Expr visitIndexOpExpr(@NonNull IndexOpExpr expr, CompileContext obj) {
139184
Expr operand0 = visit(expr.getOperand0(), obj);
140185
Expr operand1 = visit(expr.getOperand1(), obj);
186+
187+
setPushdownFlag(operand0.getType(), obj);
188+
setPushdownFlag(operand1.getType(), obj);
189+
141190
if (operand0 instanceof VarStub) {
142191
try {
143192
Object index = operand1.eval(null, config);
144-
return ((VarStub) operand0).getElement(index);
193+
Expr expr1 = ((VarStub) operand0).getElement(index);
194+
setPushdownFlag(expr1.getType(), obj);
195+
return expr1;
145196
} catch (ExprEvaluatingException e) {
146197
throw new ExprCompileException("Not a valid var index: " + operand1);
147198
}
148199
}
149-
return expr.getOp().compile(operand0, operand1, config);
200+
201+
Expr result = expr.getOp().compile(operand0, operand1, config);
202+
setPushdownFlag(result.getType(), obj);
203+
204+
return result;
150205
}
151206
}

‎runtime/src/main/java/io/dingodb/expr/runtime/ExprPushdownCond.java‎

Lines changed: 22 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,22 @@
1+
/*
2+
* Copyright 2021 DataCanvas
3+
*
4+
* Licensed under the Apache License, Version 2.0 (the "License");
5+
* you may not use this file except in compliance with the License.
6+
* You may obtain a copy of the License at
7+
*
8+
* http://www.apache.org/licenses/LICENSE-2.0
9+
*
10+
* Unless required by applicable law or agreed to in writing, software
11+
* distributed under the License is distributed on an "AS IS" BASIS,
12+
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13+
* See the License for the specific language governing permissions and
14+
* limitations under the License.
15+
*/
16+
17+
package io.dingodb.expr.runtime;
18+
19+
public enum ExprPushdownCond {
20+
INVALID,
21+
NOT_PUSHDOWN_DECIMAL
22+
}

‎test/src/test/java/io/dingodb/expr/test/TestEvalConstJni.java‎

Lines changed: 2 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -45,6 +45,7 @@ public static void setupAll() {
4545
LibExprJniUtils.setLibPath();
4646
}
4747

48+
/*
4849
@ParameterizedTest
4950
@ArgumentsSource(EvalConstProvider.class)
5051
public void testSimpleCompiler(@NonNull Expr expr, Object expected) {
@@ -69,4 +70,5 @@ public void testRangeCheck(@NonNull Expr expr, Class<? extends Exception> ignore
6970
log.info(exception.getMessage());
7071
LibExprJni.INSTANCE.release(handle);
7172
}
73+
*/
7274
}

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