This is an automated email from the ASF dual-hosted git repository.

rong pushed a commit to branch nested-operations
in repository https://gitbox.apache.org/repos/asf/iotdb.git

commit 0560e67ba395e990467a90132fa6a62fb4fabf25
Author: Steve Yurong Su <[email protected]>
AuthorDate: Thu Sep 16 18:10:32 2021 +0800

    add tests: testNestedRowByRowUDFExpressions & 
testNestedArithmeticExpressions
---
 .../antlr4/org/apache/iotdb/db/qp/sql/SqlBase.g4   |   6 +-
 .../apache/iotdb/db/qp/sql/IoTDBSqlVisitor.java    |  65 +++++---
 .../iotdb/db/integration/IoTDBNestedQueryIT.java   | 176 +++++++++++++++++++++
 .../integration/IoTDBUDTFAlignByTimeQueryIT.java   |   6 +-
 4 files changed, 222 insertions(+), 31 deletions(-)

diff --git a/antlr/src/main/antlr4/org/apache/iotdb/db/qp/sql/SqlBase.g4 
b/antlr/src/main/antlr4/org/apache/iotdb/db/qp/sql/SqlBase.g4
index 3f6fb5f..d0d4185 100644
--- a/antlr/src/main/antlr4/org/apache/iotdb/db/qp/sql/SqlBase.g4
+++ b/antlr/src/main/antlr4/org/apache/iotdb/db/qp/sql/SqlBase.g4
@@ -124,11 +124,11 @@ resultColumn
     ;
 
 expression
-    : LR_BRACKET unary=expression RR_BRACKET
-    | (PLUS | MINUS) unary=expression
+    : LR_BRACKET unaryInBracket=expression RR_BRACKET
+    | (PLUS | MINUS) unaryAfterSign=expression
     | leftExpression=expression (STAR | DIV | MOD) rightExpression=expression
     | leftExpression=expression (PLUS | MINUS) rightExpression=expression
-    | functionName=suffixPath LR_BRACKET expression (COMMA expression)* 
functionAttribute* RR_BRACKET
+    | functionName=ID LR_BRACKET expression (COMMA expression)* 
functionAttribute* RR_BRACKET
     | suffixPath
     | literal=SINGLE_QUOTE_STRING_LITERAL
     ;
diff --git 
a/server/src/main/java/org/apache/iotdb/db/qp/sql/IoTDBSqlVisitor.java 
b/server/src/main/java/org/apache/iotdb/db/qp/sql/IoTDBSqlVisitor.java
index 50052f5..5e611ff 100644
--- a/server/src/main/java/org/apache/iotdb/db/qp/sql/IoTDBSqlVisitor.java
+++ b/server/src/main/java/org/apache/iotdb/db/qp/sql/IoTDBSqlVisitor.java
@@ -1332,40 +1332,55 @@ public class IoTDBSqlVisitor extends 
SqlBaseBaseVisitor<Operator> {
 
   @SuppressWarnings("squid:S3776")
   private Expression parseExpression(ExpressionContext context) {
-    // unary
+    // LR_BRACKET unaryInBracket=expression RR_BRACKET
+    if (context.unaryInBracket != null) {
+      return parseExpression(context.unaryInBracket);
+    }
+
+    // (PLUS | MINUS) unaryAfterSign=expression
+    if (context.unaryAfterSign != null) {
+      return context.MINUS() != null
+          ? new NegationExpression(parseExpression(context.unaryAfterSign))
+          : parseExpression(context.unaryAfterSign);
+    }
+
+    // leftExpression=expression (STAR | DIV | MOD) rightExpression=expression
+    // leftExpression=expression (PLUS | MINUS) rightExpression=expression
+    if (context.leftExpression != null && context.rightExpression != null) {
+      Expression leftExpression = parseExpression(context.leftExpression);
+      Expression rightExpression = parseExpression(context.rightExpression);
+      if (context.STAR() != null) {
+        return new MultiplicationExpression(leftExpression, rightExpression);
+      }
+      if (context.DIV() != null) {
+        return new DivisionExpression(leftExpression, rightExpression);
+      }
+      if (context.MOD() != null) {
+        return new ModuloExpression(leftExpression, rightExpression);
+      }
+      if (context.PLUS() != null) {
+        return new AdditionExpression(leftExpression, rightExpression);
+      }
+      if (context.MINUS() != null) {
+        return new SubtractionExpression(leftExpression, rightExpression);
+      }
+    }
+
+    // functionName=suffixPath LR_BRACKET expression (COMMA expression)* 
functionAttribute*
+    // RR_BRACKET
     if (context.functionName != null) {
       return parseFunctionExpression(context);
     }
+
+    // suffixPath
     if (context.suffixPath() != null) {
       return new TimeSeriesOperand(parseSuffixPath(context.suffixPath()));
     }
+
+    // literal=SINGLE_QUOTE_STRING_LITERAL
     if (context.literal != null) {
       return new TimeSeriesOperand(new PartialPath(new String[] 
{context.literal.getText()}));
     }
-    if (context.unary != null) {
-      return context.MINUS() != null
-          ? new NegationExpression(parseExpression(context.expression(0)))
-          : parseExpression(context.expression(0));
-    }
-
-    // binary
-    Expression leftExpression = parseExpression(context.leftExpression);
-    Expression rightExpression = parseExpression(context.rightExpression);
-    if (context.STAR() != null) {
-      return new MultiplicationExpression(leftExpression, rightExpression);
-    }
-    if (context.DIV() != null) {
-      return new DivisionExpression(leftExpression, rightExpression);
-    }
-    if (context.MOD() != null) {
-      return new ModuloExpression(leftExpression, rightExpression);
-    }
-    if (context.PLUS() != null) {
-      return new AdditionExpression(leftExpression, rightExpression);
-    }
-    if (context.MINUS() != null) {
-      return new SubtractionExpression(leftExpression, rightExpression);
-    }
 
     throw new UnsupportedOperationException();
   }
diff --git 
a/server/src/test/java/org/apache/iotdb/db/integration/IoTDBNestedQueryIT.java 
b/server/src/test/java/org/apache/iotdb/db/integration/IoTDBNestedQueryIT.java
new file mode 100644
index 0000000..5f455c9
--- /dev/null
+++ 
b/server/src/test/java/org/apache/iotdb/db/integration/IoTDBNestedQueryIT.java
@@ -0,0 +1,176 @@
+/*
+ * 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.iotdb.db.integration;
+
+import org.apache.iotdb.db.conf.IoTDBDescriptor;
+import org.apache.iotdb.db.exception.metadata.MetadataException;
+import org.apache.iotdb.db.metadata.PartialPath;
+import org.apache.iotdb.db.service.IoTDB;
+import org.apache.iotdb.db.utils.EnvironmentUtils;
+import org.apache.iotdb.jdbc.Config;
+import org.apache.iotdb.tsfile.file.metadata.enums.CompressionType;
+import org.apache.iotdb.tsfile.file.metadata.enums.TSDataType;
+import org.apache.iotdb.tsfile.file.metadata.enums.TSEncoding;
+
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.sql.Statement;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.fail;
+
+public class IoTDBNestedQueryIT {
+
+  protected static final int ITERATION_TIMES = 10_000;
+
+  @BeforeClass
+  public static void setUp() throws Exception {
+    
IoTDBDescriptor.getInstance().getConfig().setUdfCollectorMemoryBudgetInMB(3);
+    
IoTDBDescriptor.getInstance().getConfig().setUdfTransformerMemoryBudgetInMB(3);
+    IoTDBDescriptor.getInstance().getConfig().setUdfReaderMemoryBudgetInMB(3);
+    EnvironmentUtils.envSetUp();
+    Class.forName(Config.JDBC_DRIVER_NAME);
+    createTimeSeries();
+    generateData();
+  }
+
+  private static void createTimeSeries() throws MetadataException {
+    IoTDB.metaManager.setStorageGroup(new PartialPath("root.vehicle"));
+    IoTDB.metaManager.createTimeseries(
+        new PartialPath("root.vehicle.d1.s1"),
+        TSDataType.INT32,
+        TSEncoding.PLAIN,
+        CompressionType.UNCOMPRESSED,
+        null);
+    IoTDB.metaManager.createTimeseries(
+        new PartialPath("root.vehicle.d1.s2"),
+        TSDataType.INT64,
+        TSEncoding.PLAIN,
+        CompressionType.UNCOMPRESSED,
+        null);
+    IoTDB.metaManager.createTimeseries(
+        new PartialPath("root.vehicle.d2.s1"),
+        TSDataType.FLOAT,
+        TSEncoding.PLAIN,
+        CompressionType.UNCOMPRESSED,
+        null);
+    IoTDB.metaManager.createTimeseries(
+        new PartialPath("root.vehicle.d2.s2"),
+        TSDataType.DOUBLE,
+        TSEncoding.PLAIN,
+        CompressionType.UNCOMPRESSED,
+        null);
+  }
+
+  private static void generateData() {
+    try (Connection connection =
+            DriverManager.getConnection(
+                Config.IOTDB_URL_PREFIX + "127.0.0.1:6667/", "root", "root");
+        Statement statement = connection.createStatement()) {
+      for (int i = 1; i <= ITERATION_TIMES; ++i) {
+        statement.execute(
+            String.format(
+                "insert into root.vehicle.d1(timestamp,s1,s2) 
values(%d,%d,%d)", i, i, i));
+        statement.execute(
+            (String.format(
+                "insert into root.vehicle.d2(timestamp,s1,s2) 
values(%d,%d,%d)", i, i, i)));
+      }
+    } catch (SQLException throwable) {
+      fail(throwable.getMessage());
+    }
+  }
+
+  @AfterClass
+  public static void tearDown() throws Exception {
+    EnvironmentUtils.cleanEnv();
+    
IoTDBDescriptor.getInstance().getConfig().setUdfCollectorMemoryBudgetInMB(100);
+    
IoTDBDescriptor.getInstance().getConfig().setUdfTransformerMemoryBudgetInMB(100);
+    
IoTDBDescriptor.getInstance().getConfig().setUdfReaderMemoryBudgetInMB(100);
+  }
+
+  @Test
+  public void testNestedArithmeticExpressions() {
+    String sqlStr =
+        "select d1.s1, d2.s2, d1.s1 + d1.s2 - (d2.s1 + d2.s2), d1.s2 * (d2.s1 
/ d1.s1), d1.s2 + d1.s2 * d2.s1 - d2.s1, d1.s1 - (d1.s1 - (-d1.s1)), (-d2.s1) * 
(-d2.s2) / (-d1.s2) from root.vehicle";
+
+    try (Connection connection =
+            DriverManager.getConnection(
+                Config.IOTDB_URL_PREFIX + "127.0.0.1:6667/", "root", "root");
+        Statement statement = connection.createStatement()) {
+      ResultSet resultSet = statement.executeQuery(sqlStr);
+
+      assertEquals(1 + 7, resultSet.getMetaData().getColumnCount());
+
+      int count = 0;
+      while (resultSet.next()) {
+        ++count;
+
+        assertEquals(count, Integer.parseInt(resultSet.getString(1)));
+        assertEquals(count, Double.parseDouble(resultSet.getString(2)), 0);
+        assertEquals(count, Double.parseDouble(resultSet.getString(3)), 0);
+        assertEquals(0.0, Double.parseDouble(resultSet.getString(4)), 0);
+        assertEquals(count, Double.parseDouble(resultSet.getString(5)), 0);
+        assertEquals(count * count, 
Double.parseDouble(resultSet.getString(6)), 0);
+        assertEquals(-count, Double.parseDouble(resultSet.getString(7)), 0);
+        assertEquals(-count, Double.parseDouble(resultSet.getString(8)), 0);
+      }
+      assertEquals(ITERATION_TIMES, count);
+    } catch (SQLException throwable) {
+      fail(throwable.getMessage());
+    }
+  }
+
+  @Test
+  public void testNestedRowByRowUDFExpressions() {
+    String sqlStr =
+        "select s1, s2, sin(sin(s1) * sin(s2) + cos(s1) * cos(s1)) + 
sin(sin(s1 - s1 + s2) * sin(s2) + cos(s1) * cos(s1)), asin(sin(asin(sin(s1 - s2 
/ (-s1))))) from root.vehicle.d2";
+
+    try (Connection connection =
+            DriverManager.getConnection(
+                Config.IOTDB_URL_PREFIX + "127.0.0.1:6667/", "root", "root");
+        Statement statement = connection.createStatement()) {
+      ResultSet resultSet = statement.executeQuery(sqlStr);
+
+      assertEquals(1 + 4, resultSet.getMetaData().getColumnCount());
+
+      int count = 0;
+      while (resultSet.next()) {
+        ++count;
+        assertEquals(count, Integer.parseInt(resultSet.getString(1)));
+        assertEquals(count, Double.parseDouble(resultSet.getString(2)), 0);
+        assertEquals(count, Double.parseDouble(resultSet.getString(3)), 0);
+        assertEquals(2 * Math.sin(1.0), 
Double.parseDouble(resultSet.getString(4)), 1e-5);
+        assertEquals(
+            Math.asin(Math.sin(Math.asin(Math.sin(count - count / (-count))))),
+            Double.parseDouble(resultSet.getString(5)),
+            1e-5);
+      }
+      assertEquals(ITERATION_TIMES, count);
+    } catch (SQLException throwable) {
+      fail(throwable.getMessage());
+    }
+  }
+}
diff --git 
a/server/src/test/java/org/apache/iotdb/db/integration/IoTDBUDTFAlignByTimeQueryIT.java
 
b/server/src/test/java/org/apache/iotdb/db/integration/IoTDBUDTFAlignByTimeQueryIT.java
index a26eb56..013e3fd 100644
--- 
a/server/src/test/java/org/apache/iotdb/db/integration/IoTDBUDTFAlignByTimeQueryIT.java
+++ 
b/server/src/test/java/org/apache/iotdb/db/integration/IoTDBUDTFAlignByTimeQueryIT.java
@@ -62,9 +62,9 @@ public class IoTDBUDTFAlignByTimeQueryIT {
 
   @BeforeClass
   public static void setUp() throws Exception {
-    
IoTDBDescriptor.getInstance().getConfig().setUdfCollectorMemoryBudgetInMB(100);
-    
IoTDBDescriptor.getInstance().getConfig().setUdfTransformerMemoryBudgetInMB(100);
-    
IoTDBDescriptor.getInstance().getConfig().setUdfReaderMemoryBudgetInMB(100);
+    
IoTDBDescriptor.getInstance().getConfig().setUdfCollectorMemoryBudgetInMB(3);
+    
IoTDBDescriptor.getInstance().getConfig().setUdfTransformerMemoryBudgetInMB(3);
+    IoTDBDescriptor.getInstance().getConfig().setUdfReaderMemoryBudgetInMB(3);
     EnvironmentUtils.envSetUp();
     Class.forName(Config.JDBC_DRIVER_NAME);
     createTimeSeries();

Reply via email to