[test]<TD-1643>: add preparedStatement test cases

src/connector/jdbc/.classpath

-<?xml version="1.0" encoding="UTF-8"?>
-<classpath>
-	<classpathentry kind="src" output="target/classes" path="src/main/java">
-		<attributes>
-			<attribute name="optional" value="true"/>
-			<attribute name="maven.pomderived" value="true"/>
-		</attributes>
-	</classpathentry>
-	<classpathentry excluding="**" kind="src" output="target/classes" path="src/main/resources">
-		<attributes>
-			<attribute name="maven.pomderived" value="true"/>
-		</attributes>
-	</classpathentry>
-	<classpathentry kind="src" output="target/test-classes" path="src/test/java">
-		<attributes>
-			<attribute name="optional" value="true"/>
-			<attribute name="maven.pomderived" value="true"/>
-			<attribute name="test" value="true"/>
-		</attributes>
-	</classpathentry>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8">
-		<attributes>
-			<attribute name="maven.pomderived" value="true"/>
-		</attributes>
-	</classpathentry>
-	<classpathentry kind="con" path="org.eclipse.m2e.MAVEN2_CLASSPATH_CONTAINER">
-		<attributes>
-			<attribute name="maven.pomderived" value="true"/>
-		</attributes>
-	</classpathentry>
-	<classpathentry kind="output" path="target/classes"/>
-</classpath>

src/connector/jdbc/.project

-<?xml version="1.0" encoding="UTF-8"?>
-<projectDescription>
-	<name>taos-jdbcdriver</name>
-	<comment></comment>
-	<projects>
-	</projects>
-	<buildSpec>
-		<buildCommand>
-			<name>org.eclipse.jdt.core.javabuilder</name>
-			<arguments>
-			</arguments>
-		</buildCommand>
-		<buildCommand>
-			<name>org.eclipse.m2e.core.maven2Builder</name>
-			<arguments>
-			</arguments>
-		</buildCommand>
-	</buildSpec>
-	<natures>
-		<nature>org.eclipse.jdt.core.javanature</nature>
-		<nature>org.eclipse.m2e.core.maven2Nature</nature>
-	</natures>
-</projectDescription>

src/connector/jdbc/src/test/java/com/taosdata/jdbc/cases/PreparedStatementTest.java

+package com.taosdata.jdbc.cases;
+
+import com.taosdata.jdbc.lib.TSDBCommon;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.SQLException;
+
+public class PreparedStatementTest {
+    private static String host = "localhost";
+
+    private Connection conn;
+
+    @Before
+    public void before() {
+        try {
+            conn = TSDBCommon.getConn(host);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    @After
+    public void after() {
+        try {
+            conn.close();
+        } catch (SQLException e) {
+            e.printStackTrace();
+        }
+    }
+
+    @Test
+    public void testCreateSuperTable() {
+        try {
+            String sql = "create table if not exists ? (ts timestamp, ? float, ? int) tags(?,?)";
+            PreparedStatement pstmt = conn.prepareStatement(sql);
+            pstmt.setString(1, "td");
+            pstmt.setString(2, "temperature");
+            pstmt.setString(3, "humidity");
+            pstmt.setString(4, "location");
+            pstmt.setString(5, "groupId");
+            pstmt.executeUpdate();
+
+            pstmt.close();
+        } catch (SQLException e) {
+            e.printStackTrace();
+        }
+    }
+
+
+}