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new 7ca28fc03e IGNITE-22778 Sql. DECODE can't convert INT to DECIMAL
(#4174)
7ca28fc03e is described below
commit 7ca28fc03ef7093a228d18b28cc429538e9eeaa0
Author: ygerzhedovich <[email protected]>
AuthorDate: Wed Aug 21 15:53:12 2024 +0300
IGNITE-22778 Sql. DECODE can't convert INT to DECIMAL (#4174)
---
.../internal/sql/engine/ItAggregatesTest.java | 7 +++++
.../internal/sql/engine/ItDataTypesTest.java | 22 +++++++++++++-
.../sql/engine/exec/exp/ConverterUtils.java | 35 +++++++++++++---------
.../sql/engine/exec/exp/RexExecutorImpl.java | 16 +++-------
.../internal/sql/engine/exec/exp/RexImpTable.java | 2 +-
.../sql/engine/exec/exp/RexToLixTranslator.java | 23 +++++---------
.../sql/engine/exec/exp/agg/Accumulators.java | 8 ++---
7 files changed, 66 insertions(+), 47 deletions(-)
diff --git
a/modules/sql-engine/src/integrationTest/java/org/apache/ignite/internal/sql/engine/ItAggregatesTest.java
b/modules/sql-engine/src/integrationTest/java/org/apache/ignite/internal/sql/engine/ItAggregatesTest.java
index 4d5bf4484e..82c13c341e 100644
---
a/modules/sql-engine/src/integrationTest/java/org/apache/ignite/internal/sql/engine/ItAggregatesTest.java
+++
b/modules/sql-engine/src/integrationTest/java/org/apache/ignite/internal/sql/engine/ItAggregatesTest.java
@@ -38,6 +38,7 @@ import
org.apache.ignite.internal.testframework.WithSystemProperty;
import org.apache.ignite.lang.IgniteException;
import org.junit.jupiter.api.Assumptions;
import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Disabled;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.Arguments;
@@ -552,6 +553,9 @@ public class ItAggregatesTest extends
BaseSqlIntegrationTest {
@ParameterizedTest
@MethodSource("provideRules")
public void testAvg(String[] rules) {
+ Assumptions.assumeFalse(Arrays.stream(rules).filter(r ->
r.startsWith("MapReduce")).count() == 1,
+ "need to be fixed after:
https://issues.apache.org/jira/browse/IGNITE-22988";);
+
sql("DELETE FROM numbers");
sql("INSERT INTO numbers VALUES (1, 1, 1, 1, 1, 1, 1, 1, 1, 1), (2, 2,
2, 2, 2, 2, 2, 2, 2, 2)");
@@ -597,6 +601,7 @@ public class ItAggregatesTest extends
BaseSqlIntegrationTest {
}
@Test
+ @Disabled("https://issues.apache.org/jira/browse/IGNITE-22988";)
public void testAvgRandom() {
long seed = System.nanoTime();
Random random = new Random(seed);
@@ -684,6 +689,8 @@ public class ItAggregatesTest extends
BaseSqlIntegrationTest {
@ParameterizedTest
@MethodSource("provideRules")
public void testAvgFromLiterals(String[] rules) {
+ Assumptions.assumeFalse(Arrays.stream(rules).filter(r ->
r.startsWith("MapReduce")).count() == 1,
+ "need to be fixed after:
https://issues.apache.org/jira/browse/IGNITE-22988";);
assertQuery("SELECT "
+ "AVG(tinyint_col), AVG(smallint_col), AVG(int_col),
AVG(bigint_col), "
diff --git
a/modules/sql-engine/src/integrationTest/java/org/apache/ignite/internal/sql/engine/ItDataTypesTest.java
b/modules/sql-engine/src/integrationTest/java/org/apache/ignite/internal/sql/engine/ItDataTypesTest.java
index 720d2007e6..3efeb32a36 100644
---
a/modules/sql-engine/src/integrationTest/java/org/apache/ignite/internal/sql/engine/ItDataTypesTest.java
+++
b/modules/sql-engine/src/integrationTest/java/org/apache/ignite/internal/sql/engine/ItDataTypesTest.java
@@ -479,6 +479,26 @@ public class ItDataTypesTest extends
BaseSqlIntegrationTest {
.check();
}
+ /** Tests conversions int to decimal as dynamic parameters for decode and
coalesce functions. */
+ @Test
+ public void testFunctionArgsToNumericImplicitConversion() {
+ assertQuery("select decode(?, 0, 0, 1,
1.0)").withParams(0).returns(new BigDecimal("0.0")).check();
+ assertQuery("select decode(?, 0, 0, 1,
1.0)").withParams(1).returns(new BigDecimal("1.0")).check();
+ assertQuery("select decode(1, 0, 0, ?,
1.0)").withParams(1).returns(new BigDecimal("1.0")).check();
+ assertQuery("select decode(1, 0, 0, 1, ?)").withParams(new
BigDecimal("1.0")).returns(new BigDecimal("1.0")).check();
+ assertQuery("select decode(?, 0, 0, 1,
1.000)").withParams(0).returns(new BigDecimal("0.000")).check();
+ assertQuery("select decode(?, 0, 0, 1,
1.000)").withParams(1).returns(new BigDecimal("1.000")).check();
+ assertQuery("select decode(1, 0, 0, ?,
1.000)").withParams(1).returns(new BigDecimal("1.000")).check();
+ assertQuery("select decode(1, 0, 0, 1, ?)").withParams(new
BigDecimal("1.00")).returns(new BigDecimal("1.00")).check();
+ assertQuery("select decode(?, 0, 0.0, 1,
1.000)").withParams(0).returns(new BigDecimal("0.000")).check();
+ assertQuery("select decode(?, 0, 0.000, 1,
1.0)").withParams(1).returns(new BigDecimal("1.000")).check();
+ assertQuery("select decode(?, 0, 1.0, 1, 1,
5)").withParams(3).returns(new BigDecimal("5.0")).check();
+ assertQuery("select decode(100, 0, 1, 1, 2)").returns((Object)
null).check();
+
+ assertQuery("select coalesce(null, ?,
1.000)").withParams(0).returns(new BigDecimal("0.000")).check();
+ assertQuery("select coalesce(?, 1.000)").withParams(0).returns(new
BigDecimal("0.000")).check();
+ }
+
/**
* Test cases for decimal literals.
*/
@@ -487,7 +507,7 @@ public class ItDataTypesTest extends BaseSqlIntegrationTest
{
sql("CREATE TABLE tbl(id int PRIMARY KEY, val DECIMAL(32, 5))");
assertQuery("SELECT DECIMAL '-123.0'").returns(new
BigDecimal(("-123.0"))).check();
- assertQuery("SELECT DECIMAL '10'").returns(new
Integer(("10"))).check();
+ assertQuery("SELECT DECIMAL
'10'").returns(Integer.valueOf("10")).check();
assertQuery("SELECT DECIMAL '10.000'").returns(new
BigDecimal(("10.000"))).check();
assertQuery("SELECT DECIMAL '10.000' + DECIMAL '0.1'").returns(new
BigDecimal(("10.100"))).check();
diff --git
a/modules/sql-engine/src/main/java/org/apache/ignite/internal/sql/engine/exec/exp/ConverterUtils.java
b/modules/sql-engine/src/main/java/org/apache/ignite/internal/sql/engine/exec/exp/ConverterUtils.java
index a9a28218b5..daa99e8bca 100644
---
a/modules/sql-engine/src/main/java/org/apache/ignite/internal/sql/engine/exec/exp/ConverterUtils.java
+++
b/modules/sql-engine/src/main/java/org/apache/ignite/internal/sql/engine/exec/exp/ConverterUtils.java
@@ -32,13 +32,15 @@ import org.apache.calcite.rel.type.RelDataType;
import org.apache.calcite.rex.RexNode;
import org.apache.calcite.runtime.SqlFunctions;
import org.apache.calcite.sql.type.SqlTypeName;
+import org.apache.calcite.sql.type.SqlTypeUtil;
import org.apache.calcite.util.BuiltInMethod;
import org.apache.calcite.util.Util;
+import org.apache.ignite.internal.sql.engine.util.Commons;
import org.apache.ignite.internal.sql.engine.util.IgniteMath;
/**
- * ConverterUtils.
- * TODO Documentation https://issues.apache.org/jira/browse/IGNITE-15859
+ * Utility class to convert from/to internal and external representations of
different data types and their internal representations.
+ * Uses to modify default Calcite behaviour when it doesn't meet our rules and
common sense.
*/
public class ConverterUtils {
private ConverterUtils() {
@@ -178,7 +180,7 @@ public class ConverterUtils {
* @param targetType Target type
* @return An expression with BidDecimal type, which calls
IgniteSqlFunctions.toBigDecimal function.
*/
- public static Expression convertToDecimal(Expression operand, RelDataType
targetType) {
+ private static Expression convertToDecimal(Expression operand, RelDataType
targetType) {
assert targetType.getSqlTypeName() == SqlTypeName.DECIMAL;
return Expressions.call(
IgniteSqlFunctions.class,
@@ -189,26 +191,31 @@ public class ConverterUtils {
}
/**
- * Convert {@code operand} to target type {@code toType}.
+ * Convert {@code operand} to {@code targetType}.
*
- * @param operand The expression to convert.
- * @param toType Target type.
- * @return A new expression with type {@code toType} or original if there
is no need to convert.
+ * @param operand The expression to convert
+ * @param targetType Target type
+ * @return A new expression with java type corresponding to {@code
targetType} or original expression if there is no need to convert.
*/
- public static Expression convert(Expression operand, Type toType) {
- final Type fromType = operand.getType();
- return convert(operand, fromType, toType);
+ public static Expression convert(Expression operand, RelDataType
targetType) {
+ if (SqlTypeUtil.isDecimal(targetType)) {
+ return convertToDecimal(operand, targetType);
+ } else {
+ return convert(operand,
Commons.typeFactory().getJavaClass(targetType));
+ }
}
/**
* Convert {@code operand} to target type {@code toType}.
+ * Just for internal usage. Shouldn't be use outside the class.
*
- * @param operand The expression to convert.
- * @param fromType Field type.
- * @param toType Target type.
+ * @param operand The expression to convert.
+ * @param toType Target type.
* @return A new expression with type {@code toType} or original if there
is no need to convert.
*/
- public static Expression convert(Expression operand, Type fromType, Type
toType) {
+ private static Expression convert(Expression operand, Type toType) {
+ Type fromType = operand.getType();
+
if (!Types.needTypeCast(fromType, toType)) {
return operand;
}
diff --git
a/modules/sql-engine/src/main/java/org/apache/ignite/internal/sql/engine/exec/exp/RexExecutorImpl.java
b/modules/sql-engine/src/main/java/org/apache/ignite/internal/sql/engine/exec/exp/RexExecutorImpl.java
index d57a9a9b38..172b15ad7a 100644
---
a/modules/sql-engine/src/main/java/org/apache/ignite/internal/sql/engine/exec/exp/RexExecutorImpl.java
+++
b/modules/sql-engine/src/main/java/org/apache/ignite/internal/sql/engine/exec/exp/RexExecutorImpl.java
@@ -21,7 +21,7 @@ import java.lang.reflect.Modifier;
import java.lang.reflect.Type;
import java.util.List;
import org.apache.calcite.DataContext;
-import org.apache.calcite.adapter.java.JavaTypeFactory;
+import org.apache.calcite.adapter.enumerable.EnumUtils;
import org.apache.calcite.config.CalciteSystemProperty;
import org.apache.calcite.jdbc.JavaTypeFactoryImpl;
import org.apache.calcite.linq4j.tree.BlockBuilder;
@@ -193,20 +193,12 @@ public class RexExecutorImpl implements RexExecutor {
BuiltInMethod.DATA_CONTEXT_GET.method,
Expressions.constant("inputRecord"));
- Expression recFromCtxCasted =
- ConverterUtils.convert(recFromCtx, Object[].class);
+ Expression recFromCtxCasted = EnumUtils.convert(recFromCtx,
Object[].class);
IndexExpression recordAccess =
Expressions.arrayIndex(recFromCtxCasted,
Expressions.constant(idx));
-
- if (storageType == null) {
- final RelDataType fieldType =
- rowType.getFieldList().get(idx).getType();
-
- storageType = ((JavaTypeFactory)
typeFactory).getJavaClass(fieldType);
- }
-
- return ConverterUtils.convert(recordAccess, storageType);
+ RelDataType fieldType = rowType.getFieldList().get(idx).getType();
+ return ConverterUtils.convert(recordAccess, fieldType);
}
}
}
diff --git
a/modules/sql-engine/src/main/java/org/apache/ignite/internal/sql/engine/exec/exp/RexImpTable.java
b/modules/sql-engine/src/main/java/org/apache/ignite/internal/sql/engine/exec/exp/RexImpTable.java
index e7dc13141d..44e42b301c 100644
---
a/modules/sql-engine/src/main/java/org/apache/ignite/internal/sql/engine/exec/exp/RexImpTable.java
+++
b/modules/sql-engine/src/main/java/org/apache/ignite/internal/sql/engine/exec/exp/RexImpTable.java
@@ -4013,7 +4013,7 @@ public class RexImpTable {
convertedCallValue =
noConvert
? callValue
- : EnumUtils.convert(callValue, returnType);
+ : ConverterUtils.convert(callValue, call.getType());
}
final Expression valueExpression =
diff --git
a/modules/sql-engine/src/main/java/org/apache/ignite/internal/sql/engine/exec/exp/RexToLixTranslator.java
b/modules/sql-engine/src/main/java/org/apache/ignite/internal/sql/engine/exec/exp/RexToLixTranslator.java
index 1e55ba9d61..19be86ce7d 100644
---
a/modules/sql-engine/src/main/java/org/apache/ignite/internal/sql/engine/exec/exp/RexToLixTranslator.java
+++
b/modules/sql-engine/src/main/java/org/apache/ignite/internal/sql/engine/exec/exp/RexToLixTranslator.java
@@ -63,7 +63,6 @@ import org.apache.calcite.sql.SqlOperator;
import org.apache.calcite.sql.fun.SqlStdOperatorTable;
import org.apache.calcite.sql.parser.SqlParserPos;
import org.apache.calcite.sql.type.SqlTypeFamily;
-import org.apache.calcite.sql.type.SqlTypeName;
import org.apache.calcite.sql.type.SqlTypeUtil;
import org.apache.calcite.sql.validate.SqlConformance;
import org.apache.calcite.util.BuiltInMethod;
@@ -127,6 +126,7 @@ import static java.util.Objects.requireNonNull;
* 7. Reworked implementation of dynamic parameters:
* IgniteMethod.CONTEXT_GET_PARAMETER_VALUE instead of
BuiltInMethod.DATA_CONTEXT_GET
* added conversation for Decimals
+ * 8. Added parameter `RelDataType valueType` for implementRecursively method
to do right datatype conversion
*/
public class RexToLixTranslator implements
RexVisitor<RexToLixTranslator.Result> {
public static final Map<Method, SqlOperator> JAVA_TO_SQL_METHOD_MAP =
@@ -330,7 +330,7 @@ public class RexToLixTranslator implements
RexVisitor<RexToLixTranslator.Result>
Expression operand,
ConstantExpression format) {
final Supplier<Expression> defaultExpression = () ->
- ConverterUtils.convert(operand,
typeFactory.getJavaClass(targetType));
+ ConverterUtils.convert(operand, targetType);
switch (targetType.getSqlTypeName()) {
case ANY:
@@ -479,9 +479,6 @@ public class RexToLixTranslator implements
RexVisitor<RexToLixTranslator.Result>
return defaultExpression.get();
}
- case DECIMAL:
- return ConverterUtils.convertToDecimal(operand, targetType);
-
default:
return defaultExpression.get();
}
@@ -1397,7 +1394,7 @@ public class RexToLixTranslator implements
RexVisitor<RexToLixTranslator.Result>
list.newName("case_when_value"));
list.add(Expressions.declare(0, valueVariable, null));
final List<RexNode> operandList = call.getOperands();
- implementRecursively(this, operandList, valueVariable, 0);
+ implementRecursively(this, operandList, valueVariable, call.getType(), 0);
final Expression isNullExpression = checkNull(valueVariable);
final ParameterExpression isNullVariable =
Expressions.parameter(
@@ -1436,7 +1433,7 @@ public class RexToLixTranslator implements
RexVisitor<RexToLixTranslator.Result>
* }</pre></blockquote>
*/
private static void implementRecursively(RexToLixTranslator
currentTranslator,
- List<RexNode> operandList, ParameterExpression valueVariable, int pos) {
+ List<RexNode> operandList, ParameterExpression valueVariable,
RelDataType valueType, int pos) {
final BlockBuilder currentBlockBuilder =
currentTranslator.getBlockBuilder();
final List<@Nullable Type> storageTypes =
@@ -1449,7 +1446,7 @@ public class RexToLixTranslator implements
RexVisitor<RexToLixTranslator.Result>
currentBlockBuilder.add(
Expressions.statement(
Expressions.assign(valueVariable,
- ConverterUtils.convert(res, valueVariable.getType()))));
+ ConverterUtils.convert(res, valueType))));
return;
}
// Condition code: !a_isNull && a_value
@@ -1473,7 +1470,7 @@ public class RexToLixTranslator implements
RexVisitor<RexToLixTranslator.Result>
ifTrueBlockBuilder.add(
Expressions.statement(
Expressions.assign(valueVariable,
- ConverterUtils.convert(ifTrueRes,
valueVariable.getType()))));
+ ConverterUtils.convert(ifTrueRes, valueType))));
final BlockStatement ifTrue = ifTrueBlockBuilder.toBlock();
// There is no [ELSE] clause
if (pos + 1 == operandList.size() - 1) {
@@ -1486,7 +1483,7 @@ public class RexToLixTranslator implements
RexVisitor<RexToLixTranslator.Result>
new BlockBuilder(true, currentBlockBuilder);
final RexToLixTranslator ifFalseTranslator =
currentTranslator.setBlock(ifFalseBlockBuilder);
- implementRecursively(ifFalseTranslator, operandList, valueVariable, pos +
2);
+ implementRecursively(ifFalseTranslator, operandList, valueVariable,
valueType, pos + 2);
final BlockStatement ifFalse = ifFalseBlockBuilder.toBlock();
currentBlockBuilder.add(
Expressions.ifThenElse(tester, ifTrue, ifFalse));
@@ -1513,16 +1510,12 @@ public class RexToLixTranslator implements
RexVisitor<RexToLixTranslator.Result>
if (rexWithStorageTypeResultMap.containsKey(key)) {
return rexWithStorageTypeResultMap.get(key);
}
- final Type storageType = currentStorageType != null
- ? currentStorageType :
typeFactory.getJavaClass(dynamicParam.getType());
final Type paramType = ((IgniteTypeFactory)
typeFactory).getResultClass(dynamicParam.getType());
final Expression ctxGet = Expressions.call(root,
IgniteMethod.CONTEXT_GET_PARAMETER_VALUE.method(),
Expressions.constant("?" + dynamicParam.getIndex()),
Expressions.constant(paramType));
- final Expression valueExpression =
SqlTypeUtil.isDecimal(dynamicParam.getType())
- ? ConverterUtils.convertToDecimal(ctxGet, dynamicParam.getType())
- : ConverterUtils.convert(ctxGet, storageType);
+ final Expression valueExpression = ConverterUtils.convert(ctxGet,
dynamicParam.getType());
final ParameterExpression valueVariable =
Expressions.parameter(valueExpression.getType(),
list.newName("value_dynamic_param"));
diff --git
a/modules/sql-engine/src/main/java/org/apache/ignite/internal/sql/engine/exec/exp/agg/Accumulators.java
b/modules/sql-engine/src/main/java/org/apache/ignite/internal/sql/engine/exec/exp/agg/Accumulators.java
index 580eb42de9..7e0a78177d 100644
---
a/modules/sql-engine/src/main/java/org/apache/ignite/internal/sql/engine/exec/exp/agg/Accumulators.java
+++
b/modules/sql-engine/src/main/java/org/apache/ignite/internal/sql/engine/exec/exp/agg/Accumulators.java
@@ -530,7 +530,7 @@ public class Accumulators {
private static class DecimalSumEmptyIsZero implements Accumulator {
public static final Supplier<Accumulator> FACTORY =
DecimalSumEmptyIsZero::new;
- private BigDecimal sum;
+ private BigDecimal sum = BigDecimal.ZERO;
/** {@inheritDoc} */
@Override
@@ -541,13 +541,13 @@ public class Accumulators {
return;
}
- sum = sum == null ? in : sum.add(in);
+ sum = sum.add(in);
}
/** {@inheritDoc} */
@Override
public Object end() {
- return sum != null ? sum : BigDecimal.ZERO;
+ return sum;
}
/** {@inheritDoc} */
@@ -559,7 +559,7 @@ public class Accumulators {
/** {@inheritDoc} */
@Override
public RelDataType returnType(IgniteTypeFactory typeFactory) {
- return
typeFactory.createTypeWithNullability(typeFactory.createSqlType(DECIMAL), true);
+ return
typeFactory.createTypeWithNullability(typeFactory.createSqlType(DECIMAL),
false);
}
}
