xiangfu0 commented on a change in pull request #7678:
URL: https://github.com/apache/pinot/pull/7678#discussion_r743357353
##########
File path:
pinot-core/src/main/java/org/apache/pinot/core/operator/transform/function/TransformFunctionFactory.java
##########
@@ -82,6 +82,7 @@ private TransformFunctionFactory() {
put(canonicalize(TransformFunctionType.LN.getName().toLowerCase()),
LnTransformFunction.class);
put(canonicalize(TransformFunctionType.SQRT.getName().toLowerCase()),
SqrtTransformFunction.class);
+ put(canonicalize(TransformFunctionType.AS.getName().toLowerCase()),
AsTransformFunction.class);
Review comment:
no, this is used universally can not be changed
##########
File path:
pinot-common/src/test/java/org/apache/pinot/sql/parsers/rewriter/NonAggregationGroupByToDistinctQueryRewriterTest.java
##########
@@ -0,0 +1,86 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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 org.apache.pinot.sql.parsers.rewriter;
+
+import org.apache.pinot.common.request.PinotQuery;
+import org.apache.pinot.sql.parsers.CalciteSqlParser;
+import org.testng.Assert;
+import org.testng.annotations.Test;
+
+
+public class NonAggregationGroupByToDistinctQueryRewriterTest {
+
+ private static final QueryRewriter QUERY_REWRITER = new
NonAggregationGroupByToDistinctQueryRewriter();
+
+ @Test
+ public void testQuery1() {
+ final PinotQuery pinotQuery = CalciteSqlParser.compileToPinotQuery("SELECT
A FROM myTable GROUP BY A");
+ QUERY_REWRITER.rewrite(pinotQuery);
+
Assert.assertEquals(pinotQuery.getSelectList().get(0).getFunctionCall().getOperator(),
"DISTINCT");
+ Assert.assertEquals(
+
pinotQuery.getSelectList().get(0).getFunctionCall().getOperands().get(0).getIdentifier().getName(),
"A");
+ }
+
+ @Test
+ // SELECT col1+col2*5 FROM foo GROUP BY col1, col2 => SELECT distinct
col1+col2*5 FROM foo
+ public void testQuery2() {
+ final PinotQuery pinotQuery =
+ CalciteSqlParser.compileToPinotQuery("SELECT col1+col2*5 FROM foo
GROUP BY col1, col2");
+ QUERY_REWRITER.rewrite(pinotQuery);
+
Assert.assertEquals(pinotQuery.getSelectList().get(0).getFunctionCall().getOperator(),
"DISTINCT");
+ Assert.assertEquals(
+
pinotQuery.getSelectList().get(0).getFunctionCall().getOperands().get(0).getFunctionCall().getOperands().get(0)
+ .getIdentifier().getName(), "col1");
+ Assert.assertEquals(
+
pinotQuery.getSelectList().get(0).getFunctionCall().getOperands().get(0).getFunctionCall().getOperands().get(1)
+ .getFunctionCall().getOperands().get(0).getIdentifier().getName(),
"col2");
+ Assert.assertEquals(
+
pinotQuery.getSelectList().get(0).getFunctionCall().getOperands().get(0).getFunctionCall().getOperands().get(1)
+
.getFunctionCall().getOperands().get(1).getLiteral().getLongValue(), 5L);
+ }
+
+ @Test
+ // SELECT col1, col2 FROM foo GROUP BY col1, col2 => SELECT distinct col1,
col2 FROM foo
+ public void testQuery3() {
+ final PinotQuery pinotQuery =
+ CalciteSqlParser.compileToPinotQuery("SELECT col1, col2 FROM foo GROUP
BY col1, col2 ");
+ QUERY_REWRITER.rewrite(pinotQuery);
+
Assert.assertEquals(pinotQuery.getSelectList().get(0).getFunctionCall().getOperator(),
"DISTINCT");
+ Assert.assertEquals(
+
pinotQuery.getSelectList().get(0).getFunctionCall().getOperands().get(0).getIdentifier().getName(),
"col1");
+ Assert.assertEquals(
+
pinotQuery.getSelectList().get(0).getFunctionCall().getOperands().get(1).getIdentifier().getName(),
"col2");
+ }
+
+ @Test
+ // SELECT col1 as col2 FROM foo GROUP BY col1 => SELECT distinct col1 as
col2 FROM foo
Review comment:
added.
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