davidmartinezbarua
GitHub
commit
c55fe1ddb6
|
|
@ -0,0 +1,64 @@
|
|||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<project xmlns="http://maven.apache.org/POM/4.0.0"
|
||||
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
|
||||
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
|
||||
<modelVersion>4.0.0</modelVersion>
|
||||
|
||||
<groupId>com.baeldung</groupId>
|
||||
<artifactId>java-harperdb</artifactId>
|
||||
<version>1.0-SNAPSHOT</version>
|
||||
<build>
|
||||
<plugins>
|
||||
<plugin>
|
||||
<groupId>org.apache.maven.plugins</groupId>
|
||||
<artifactId>maven-compiler-plugin</artifactId>
|
||||
<configuration>
|
||||
<source>9</source>
|
||||
<target>9</target>
|
||||
</configuration>
|
||||
</plugin>
|
||||
</plugins>
|
||||
</build>
|
||||
|
||||
<parent>
|
||||
<groupId>com.baeldung</groupId>
|
||||
<artifactId>persistence-modules</artifactId>
|
||||
<version>1.0.0-SNAPSHOT</version>
|
||||
</parent>
|
||||
<dependencies>
|
||||
<dependency>
|
||||
<groupId>com.baeldung</groupId>
|
||||
<artifactId>java-harperdb</artifactId>
|
||||
<version>${haperdb-driver.version}</version>
|
||||
<scope>system</scope>
|
||||
<systemPath>${project.basedir}/lib/cdata.jdbc.harperdb.jar</systemPath>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.testcontainers</groupId>
|
||||
<artifactId>testcontainers</artifactId>
|
||||
<scope>test</scope>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.apache.derby</groupId>
|
||||
<artifactId>derby</artifactId>
|
||||
<version>10.13.1.1</version>
|
||||
</dependency>
|
||||
</dependencies>
|
||||
|
||||
<dependencyManagement>
|
||||
<dependencies>
|
||||
<dependency>
|
||||
<groupId>org.testcontainers</groupId>
|
||||
<artifactId>testcontainers-bom</artifactId>
|
||||
<version>1.19.3</version>
|
||||
<type>pom</type>
|
||||
<scope>import</scope>
|
||||
</dependency>
|
||||
</dependencies>
|
||||
</dependencyManagement>
|
||||
|
||||
<properties>
|
||||
<haperdb-driver.version>4.2</haperdb-driver.version>
|
||||
</properties>
|
||||
|
||||
</project>
|
||||
|
|
@ -0,0 +1,41 @@
|
|||
@startuml
|
||||
'https://gist.github.com/QuantumGhost/0955a45383a0b6c0bc24f9654b3cb561
|
||||
' uncomment the line below if you're using computer with a retina display
|
||||
' skinparam dpi 300
|
||||
!theme sketchy-outline
|
||||
!define Table(name,desc) class name as "desc" << (T, #63b175) >>
|
||||
' we use bold for primary key
|
||||
' green color for unique
|
||||
' and underscore for not_null
|
||||
!define primary_key(x) <b>x</b>
|
||||
!define unique(x) <color:green>x</color>
|
||||
!define not_null(x) <u>x</u>
|
||||
' other tags available:
|
||||
' <i></i>
|
||||
' <back:COLOR></color>, where color is a color name or html color code
|
||||
' (#FFAACC)
|
||||
' see: http://plantuml.com/classes.html#More
|
||||
hide methods
|
||||
hide stereotypes
|
||||
|
||||
' entities
|
||||
|
||||
|
||||
Table(Teacher, "Teacher") {
|
||||
primary_key(Id) Number
|
||||
Name Varchar
|
||||
joining_date Date
|
||||
}
|
||||
Table(Subject, "Subject") {
|
||||
primary_key(Id) Number
|
||||
Name Varchar
|
||||
}
|
||||
Table(Teacher_Details, "Teacher_Details") {
|
||||
primary_key(Id) Number
|
||||
teacher_id Number
|
||||
subject_id Number
|
||||
}
|
||||
|
||||
Teacher_Details "*" -left-> "1" Subject: " "
|
||||
Teacher "1" -left-> "*" Teacher_Details: " "
|
||||
@enduml
|
||||
|
|
@ -0,0 +1,78 @@
|
|||
package com.baeldung.harperdb;
|
||||
|
||||
import com.github.dockerjava.zerodep.shaded.org.apache.hc.client5.http.classic.methods.HttpPost;
|
||||
import com.github.dockerjava.zerodep.shaded.org.apache.hc.client5.http.impl.classic.CloseableHttpClient;
|
||||
import com.github.dockerjava.zerodep.shaded.org.apache.hc.client5.http.impl.classic.CloseableHttpResponse;
|
||||
import com.github.dockerjava.zerodep.shaded.org.apache.hc.client5.http.impl.classic.HttpClientBuilder;
|
||||
import com.github.dockerjava.zerodep.shaded.org.apache.hc.core5.http.ClassicHttpRequest;
|
||||
import com.github.dockerjava.zerodep.shaded.org.apache.hc.core5.http.HttpEntity;
|
||||
import com.github.dockerjava.zerodep.shaded.org.apache.hc.core5.http.io.entity.StringEntity;
|
||||
import org.slf4j.Logger;
|
||||
import org.slf4j.LoggerFactory;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.util.Base64;
|
||||
|
||||
public class HarperDBApiService {
|
||||
private static final Logger LOGGER = LoggerFactory.getLogger(HarperDBApiService.class);
|
||||
private String url;
|
||||
private String base64auth;
|
||||
|
||||
public HarperDBApiService(String url, String user, String password) {
|
||||
this.url = url;
|
||||
this.base64auth = Base64.getEncoder()
|
||||
.encodeToString(new StringBuilder().append(user)
|
||||
.append(":")
|
||||
.append(password)
|
||||
.toString()
|
||||
.getBytes());
|
||||
}
|
||||
|
||||
public void createSchema(String schema) throws IOException {
|
||||
String requestBody = "{\"operation\":\"create_schema\", \"" + "schema\":\"" + schema + "\"" + "}";
|
||||
executeHttpPostRequest(requestBody);
|
||||
}
|
||||
|
||||
public void createTable(String schema, String table, String ... attributes) throws IOException {
|
||||
String createTableReq = "{\"operation\":\"create_table\","
|
||||
+ "\"schema\":\"" + schema
|
||||
+ "\",\"table\":\"" + table
|
||||
+ "\",\"hash_attribute\":\"id\""
|
||||
+ "}";
|
||||
executeHttpPostRequest(createTableReq);
|
||||
LOGGER.info("created table:" + table);
|
||||
for (String attribute : attributes) {
|
||||
String createAttrReq = "{\"operation\":\"create_attribute\",\"schema\":\""
|
||||
+ schema + "\",\"table\":\""
|
||||
+ table + "\",\"attribute\":\""
|
||||
+ attribute + "\""
|
||||
+ "}";
|
||||
executeHttpPostRequest(createAttrReq);
|
||||
LOGGER.info("created attribute:" + attribute + " in table:" + table);
|
||||
}
|
||||
}
|
||||
|
||||
public void insertRecords(String schema, String table, String records) throws IOException {
|
||||
String requestBody = "{\"table\":" + "\"" + table + "\","
|
||||
+ "\"schema\":" + "\"" + schema + "\"" + ","
|
||||
+ "\"operation\":" + "\"" + "insert" + "\"" + ","
|
||||
+ "\"records\":" + records
|
||||
+ "}";
|
||||
executeHttpPostRequest(requestBody);
|
||||
}
|
||||
|
||||
private void executeHttpPostRequest(String httpRequest) throws IOException {
|
||||
LOGGER.info("Post request body:" + httpRequest);
|
||||
|
||||
try (CloseableHttpClient closeableHttpClient = HttpClientBuilder.create()
|
||||
.build()) {
|
||||
HttpPost request = new HttpPost(this.url);
|
||||
request.addHeader("Authorization", "Basic " + this.base64auth);
|
||||
request.addHeader("Content-Type", "application/json");
|
||||
request.setEntity((HttpEntity) new StringEntity(httpRequest));
|
||||
CloseableHttpResponse response = closeableHttpClient.execute((ClassicHttpRequest) request);
|
||||
LOGGER.info("REST API response:" + response.toString());
|
||||
assert (200 == response.getCode());
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,36 @@
|
|||
package com.baeldung.harperdb;
|
||||
|
||||
import java.util.Map;
|
||||
|
||||
import org.slf4j.Logger;
|
||||
import org.slf4j.LoggerFactory;
|
||||
import org.testcontainers.containers.GenericContainer;
|
||||
|
||||
public class HarperDBContainer {
|
||||
|
||||
private final static Logger LOGGER = LoggerFactory.getLogger(HarperDBContainer.class);
|
||||
|
||||
private static final Map<String, String> DEFAULT_ENV_MAP = Map.of("HDB_ADMIN_USERNAME", "admin", "HDB_ADMIN_PASSWORD", "password",
|
||||
"OPERATIONSAPI_NETWORK_PORT", "9925", "ROOTPATH", "/home/harperdb/hdb", "LOGGING_STDSTREAMS", "true");
|
||||
|
||||
private static final Integer[] DEFAULT_EXPOSED_PORTS = { 9925, 9926 };
|
||||
|
||||
private static final String HARPER_DOCKER_IMAGE = "harperdb/harperdb:latest";
|
||||
|
||||
public void stop() {
|
||||
harperDBContainer.stop();
|
||||
}
|
||||
|
||||
GenericContainer harperDBContainer;
|
||||
|
||||
public GenericContainer installHarperDB() {
|
||||
harperDBContainer = new GenericContainer(HARPER_DOCKER_IMAGE).withEnv(DEFAULT_ENV_MAP)
|
||||
.withExposedPorts(DEFAULT_EXPOSED_PORTS);
|
||||
return harperDBContainer;
|
||||
}
|
||||
|
||||
public GenericContainer installHarperDB(String dockerImgage, final Map<String, String> envMap, final Integer... exposedPorts) {
|
||||
return new GenericContainer(dockerImgage).withEnv(envMap)
|
||||
.withExposedPorts(exposedPorts);
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,379 @@
|
|||
package com.baeldung.harperdb;
|
||||
|
||||
import cdata.jdbc.harperdb.HarperDBConnectionPoolDataSource;
|
||||
|
||||
import org.junit.jupiter.api.AfterAll;
|
||||
import org.junit.jupiter.api.BeforeAll;
|
||||
import org.junit.jupiter.api.Test;
|
||||
import org.slf4j.Logger;
|
||||
import org.slf4j.LoggerFactory;
|
||||
import org.testcontainers.containers.GenericContainer;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.net.URISyntaxException;
|
||||
import java.net.URL;
|
||||
import java.sql.*;
|
||||
import java.util.Arrays;
|
||||
import java.util.Map;
|
||||
import java.util.Properties;
|
||||
|
||||
import static org.junit.jupiter.api.Assertions.*;
|
||||
|
||||
public class HarperDBLiveTest {
|
||||
|
||||
private static final Logger logger = LoggerFactory.getLogger(HarperDBLiveTest.class);
|
||||
|
||||
private static Integer port;
|
||||
|
||||
private static HarperDBContainer harperDBContainer;
|
||||
|
||||
private static HarperDBApiService harperDbApiService;
|
||||
|
||||
@BeforeAll
|
||||
static void setupHarperDB() throws IOException, InterruptedException, URISyntaxException {
|
||||
installHarperDB();
|
||||
initHarperDBApiService();
|
||||
setupDB();
|
||||
}
|
||||
|
||||
private static void installHarperDB() {
|
||||
harperDBContainer = new HarperDBContainer();
|
||||
|
||||
GenericContainer genericContainer = harperDBContainer.installHarperDB();
|
||||
|
||||
genericContainer.start();
|
||||
|
||||
port = genericContainer.getFirstMappedPort();
|
||||
}
|
||||
|
||||
private static void initHarperDBApiService() {
|
||||
String url = "http://localhost:" + port + "/";
|
||||
harperDbApiService = new HarperDBApiService(url, "admin", "password");
|
||||
}
|
||||
|
||||
private static void setupDB() throws IOException {
|
||||
harperDbApiService.createSchema("Demo");
|
||||
|
||||
harperDbApiService.createTable("Demo", "Subject", "name");
|
||||
harperDbApiService.createTable("Demo", "Teacher", "name", "joining_date", "subject_id");
|
||||
harperDbApiService.createTable("Demo", "Teacher_Details", "teacher_id", "subject_id");
|
||||
|
||||
insertSubjectRecords();
|
||||
insertTeacherRecords();
|
||||
insertTeacherDetailsRecords();
|
||||
}
|
||||
|
||||
private static void insertSubjectRecords() throws IOException {
|
||||
String records = "["
|
||||
+ "{\"id\":1, \"name\":\"English\"},"
|
||||
+ "{\"id\":2, \"name\":\"Maths\"},"
|
||||
+ "{\"id\":3, \"name\":\"Science\"}"
|
||||
+ "]";
|
||||
|
||||
harperDbApiService.insertRecords("Demo", "Subject", records);
|
||||
}
|
||||
|
||||
private static void insertTeacherRecords() throws IOException {
|
||||
String records = "[" + "{\"id\":1, \"name\":\"James Cameron\", \"joining_date\":\"04-05-2000\"}," +
|
||||
"{\"id\":2, \"name\":\"Joe Biden\", \"joining_date\":\"20-10-2005\"}," +
|
||||
"{\"id\":3, \"name\":\"Jessie Williams\", \"joining_date\":\"04-06-1997\"}," +
|
||||
"{\"id\":4, \"name\":\"Robin Williams\", \"joining_date\":\"01-01-2020\"}," +
|
||||
"{\"id\":5, \"name\":\"Eric Johnson\", \"joining_date\":\"04-05-2022\"}," +
|
||||
"{\"id\":6, \"name\":\"Raghu Yadav\", \"joining_date\":\"02-02-1999\"}" + "]";
|
||||
harperDbApiService.insertRecords("Demo", "Teacher", records);
|
||||
}
|
||||
|
||||
private static void insertTeacherDetailsRecords() throws IOException {
|
||||
String records = "[" + "{\"id\":1, \"teacher_id\":1, \"subject_id\":1}," + "{\"id\":2, \"teacher_id\":1, \"subject_id\":2}," +
|
||||
"{\"id\":3, \"teacher_id\":2, \"subject_id\":3 }," + "{\"id\":4, \"teacher_id\":3, \"subject_id\":1}," +
|
||||
"{\"id\":5, \"teacher_id\":3, \"subject_id\":3}," + "{\"id\":6, \"teacher_id\":4, \"subject_id\":2}," +
|
||||
"{\"id\":7, \"teacher_id\":5, \"subject_id\":3}," + "{\"id\":8, \"teacher_id\":6, \"subject_id\":1}," +
|
||||
"{\"id\":9, \"teacher_id\":6, \"subject_id\":2}," + "{\"id\":15, \"teacher_id\":6, \"subject_id\":3}" + "]";
|
||||
|
||||
harperDbApiService.insertRecords("Demo", "Teacher_Details", records);
|
||||
}
|
||||
|
||||
@AfterAll
|
||||
static void stopHarperDB() {
|
||||
harperDBContainer.stop();
|
||||
}
|
||||
|
||||
@Test
|
||||
void whenConnectionInfoInURL_thenConnectSuccess() {
|
||||
assertDoesNotThrow(() -> {
|
||||
final String JDBC_URL = "jdbc:harperdb:Server=127.0.0.1:" + port + ";User=admin;Password=password;";
|
||||
|
||||
try (Connection connection = DriverManager.getConnection(JDBC_URL)) {
|
||||
connection.createStatement()
|
||||
.executeQuery("select 1");
|
||||
logger.info("Connection Successful");
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
@Test
|
||||
void whenConnectionInfoInProperties_thenConnectSuccess() {
|
||||
assertDoesNotThrow(() -> {
|
||||
Properties prop = new Properties();
|
||||
prop.setProperty("Server", "127.0.0.1:" + port);
|
||||
prop.setProperty("User", "admin");
|
||||
prop.setProperty("Password", "password");
|
||||
|
||||
try (Connection connection = DriverManager.getConnection("jdbc:harperdb:", prop)) {
|
||||
connection.createStatement()
|
||||
.executeQuery("select 1");
|
||||
logger.info("Connection Successful");
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
@Test
|
||||
void whenConnectionPooling_thenConnectSuccess() {
|
||||
assertDoesNotThrow(() -> {
|
||||
HarperDBConnectionPoolDataSource harperdbPoolDataSource = new HarperDBConnectionPoolDataSource();
|
||||
final String JDBC_URL = "jdbc:harperdb:UseConnectionPooling=true;PoolMaxSize=2;Server=127.0.0.1:" + port + ";User=admin;Password=password;";
|
||||
harperdbPoolDataSource.setURL(JDBC_URL);
|
||||
|
||||
try (Connection connection = harperdbPoolDataSource.getPooledConnection()
|
||||
.getConnection()) {
|
||||
connection.createStatement()
|
||||
.executeQuery("select 1");
|
||||
logger.info("Connection Pool Successful");
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
@Test
|
||||
void whenExecuteStoredToCreateTable_thenSuccess() throws SQLException {
|
||||
final String CREATE_TABLE_PROC = "CreateTable";
|
||||
try (Connection connection = getConnection()) {
|
||||
CallableStatement callableStatement = connection.prepareCall(CREATE_TABLE_PROC);
|
||||
|
||||
callableStatement.setString("SchemaName", "prod");
|
||||
callableStatement.setString("TableName", "subject");
|
||||
callableStatement.setString("PrimaryKey", "id");
|
||||
Boolean result = callableStatement.execute();
|
||||
|
||||
ResultSet resultSet = callableStatement.getResultSet();
|
||||
|
||||
while (resultSet.next()) {
|
||||
String tableCreated = resultSet.getString("Success");
|
||||
assertEquals("true", tableCreated);
|
||||
logger.info("Table Created Successfully");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
void givenStatement_whenInsertRecord_thenSuccess() throws SQLException {
|
||||
final String INSERT_SQL = "insert into Demo.Subject(id, name) values "
|
||||
+ "(4, 'Social Studies'),"
|
||||
+ "(5, 'Geography')";
|
||||
|
||||
try (Connection connection = getConnection()) {
|
||||
Statement statement = connection.createStatement();
|
||||
assertDoesNotThrow(() -> statement.execute(INSERT_SQL));
|
||||
assertEquals(2, statement.getUpdateCount());
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
void givenPrepareStatement_whenAddToBatch_thenSuccess() throws SQLException {
|
||||
final String INSERT_SQL = "insert into Demo.Teacher(id, name, joining_date) values"
|
||||
+ "(?, ?, ?)";
|
||||
|
||||
try (Connection connection = getConnection()) {
|
||||
PreparedStatement preparedStatement = connection.prepareStatement(INSERT_SQL);
|
||||
preparedStatement.setInt(1, 7);
|
||||
preparedStatement.setString(2, "Bret Lee");
|
||||
preparedStatement.setString(3, "07-08-2002");
|
||||
preparedStatement.addBatch();
|
||||
|
||||
preparedStatement.setInt(1, 8);
|
||||
preparedStatement.setString(2, "Sarah Glimmer");
|
||||
preparedStatement.setString(3, "07-08-1997");
|
||||
preparedStatement.addBatch();
|
||||
|
||||
int[] recordsInserted = preparedStatement.executeBatch();
|
||||
|
||||
assertEquals(2, Arrays.stream(recordsInserted).sum());
|
||||
}
|
||||
}
|
||||
|
||||
private static Connection getConnection() throws SQLException {
|
||||
String URL = "jdbc:harperdb:Server=127.0.0.1:" + port + ";User=admin;Password=password;";
|
||||
return DriverManager.getConnection(URL);
|
||||
}
|
||||
|
||||
private static Connection getConnection(Map<String, String> properties) throws SQLException {
|
||||
Properties prop = new Properties();
|
||||
prop.setProperty("Server", "127.0.0.1:" + port);
|
||||
prop.setProperty("User", "admin");
|
||||
prop.setProperty("Password", "password");
|
||||
for (Map.Entry<String, String> entry : properties.entrySet()) {
|
||||
prop.setProperty(entry.getKey(), entry.getValue());
|
||||
}
|
||||
|
||||
return DriverManager.getConnection("jdbc:harperdb:", prop);
|
||||
}
|
||||
|
||||
@Test
|
||||
void givenStatement_whenFetchRecord_thenSuccess() throws SQLException {
|
||||
final String SQL_QUERY = "select id, name from Demo.Subject where name = 'Maths'";
|
||||
|
||||
try (Connection connection = getConnection()) {
|
||||
Statement statement = connection.createStatement();
|
||||
ResultSet resultSet = statement.executeQuery(SQL_QUERY);
|
||||
while (resultSet.next()) {
|
||||
Integer id = resultSet.getInt("id");
|
||||
String name = resultSet.getString("name");
|
||||
assertNotNull(id);
|
||||
assertEquals("Maths", name);
|
||||
logger.info("Subject id:" + id + " Subject Name:" + name);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
void givenPreparedStatement_whenExecuteJoinQuery_thenSuccess() throws SQLException {
|
||||
final String JOIN_QUERY = "SELECT t.name as teacher_name, t.joining_date as joining_date, s.name as subject_name "
|
||||
+ "from Demo.Teacher_Details AS td "
|
||||
+ "INNER JOIN Demo.Teacher AS t ON t.id = td.teacher_id "
|
||||
+ "INNER JOIN Demo.Subject AS s on s.id = td.subject_id "
|
||||
+ "where t.name = ?";
|
||||
|
||||
try (Connection connection = getConnection()) {
|
||||
PreparedStatement preparedStatement = connection.prepareStatement(JOIN_QUERY);
|
||||
preparedStatement.setString(1, "Eric Johnson");
|
||||
|
||||
ResultSet resultSet = preparedStatement.executeQuery();
|
||||
while (resultSet.next()) {
|
||||
String teacherName = resultSet.getString("teacher_name");
|
||||
String subjectName = resultSet.getString("subject_name");
|
||||
String joiningDate = resultSet.getString("joining_date");
|
||||
assertEquals("Eric Johnson", teacherName);
|
||||
assertEquals("Maths", subjectName);
|
||||
logger.info("Teacher Name:" + teacherName + " Subject Name:" + subjectName + " Joining Date:" + joiningDate);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
void givenStatement_whenUpdateRecord_thenSuccess() throws SQLException {
|
||||
final String UPDATE_SQL = "update Demo.Teacher_Details set subject_id = 2 "
|
||||
+ "where teacher_id in (2, 5)";
|
||||
final String UPDATE_SQL_WITH_SUB_QUERY = "update Demo.Teacher_Details "
|
||||
+ "set subject_id = (select id from Demo.Subject where name = 'Maths') "
|
||||
+ "where teacher_id in (select id from Demo.Teacher where name in ('Joe Biden', 'Eric Johnson'))";
|
||||
|
||||
try (Connection connection = getConnection()) {
|
||||
Statement statement = connection.createStatement();
|
||||
assertDoesNotThrow(() -> statement.execute(UPDATE_SQL));
|
||||
assertEquals(2, statement.getUpdateCount());
|
||||
}
|
||||
|
||||
try (Connection connection = getConnection()) {
|
||||
assertThrows(SQLException.class, () -> connection.createStatement().execute(UPDATE_SQL_WITH_SUB_QUERY));
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
void givenPreparedStatement_whenUpdateRecord_thenSuccess() throws SQLException {
|
||||
final String UPDATE_SQL = "update Demo.Teacher_Details set subject_id = ? "
|
||||
+ "where teacher_id in (?, ?)";
|
||||
|
||||
try (Connection connection = getConnection()) {
|
||||
PreparedStatement preparedStatement = connection.prepareStatement(UPDATE_SQL);
|
||||
preparedStatement.setInt(1, 1);
|
||||
//following is not supported by the HarperDB driver
|
||||
//Integer[] teacherIds = {4, 5};
|
||||
//Array teacherIdArray = connection.createArrayOf(Integer.class.getTypeName(), teacherIds);
|
||||
preparedStatement.setInt(2, 4);
|
||||
preparedStatement.setInt(3, 5);
|
||||
assertDoesNotThrow(() -> preparedStatement.execute());
|
||||
assertEquals(2, preparedStatement.getUpdateCount());
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
void givenStatement_whenDeleteRecord_thenSuccess() throws SQLException {
|
||||
final String DELETE_SQL = "delete from Demo.Teacher_Details where teacher_id = 6 and subject_id = 3";
|
||||
|
||||
try (Connection connection = getConnection()) {
|
||||
Statement statement = connection.createStatement();
|
||||
assertDoesNotThrow(() -> statement.execute(DELETE_SQL));
|
||||
assertEquals(1, statement.getUpdateCount());
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
void givenPreparedStatement_whenDeleteRecord_thenSuccess() throws SQLException {
|
||||
final String DELETE_SQL = "delete from Demo.Teacher_Details where teacher_id = ? and subject_id = ?";
|
||||
|
||||
try (Connection connection = getConnection()) {
|
||||
PreparedStatement preparedStatement = connection.prepareStatement(DELETE_SQL);
|
||||
preparedStatement.setInt(1, 6);
|
||||
preparedStatement.setInt(2, 2);
|
||||
assertDoesNotThrow(() -> preparedStatement.execute());
|
||||
assertEquals(1, preparedStatement.getUpdateCount());
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
void givenTempTable_whenInsertIntoSelectTempTable_thenSuccess() throws SQLException {
|
||||
try (Connection connection = getConnection()) {
|
||||
Statement statement = connection.createStatement();
|
||||
assertDoesNotThrow(() -> {
|
||||
statement.execute("insert into Teacher#TEMP(id, name, joining_date) "
|
||||
+ "values('12', 'David Flinch', '04-04-2014')");
|
||||
statement.execute("insert into Teacher#TEMP(id, name, joining_date) "
|
||||
+ "values('13', 'Stephen Hawkins', '04-07-2017')");
|
||||
statement.execute("insert into Teacher#TEMP(id, name, joining_date) "
|
||||
+ "values('14', 'Albert Einstein', '12-08-2020')");
|
||||
statement.execute("insert into Teacher#TEMP(id, name, joining_date) "
|
||||
+ "values('15', 'Leo Tolstoy', '20-08-2022')");
|
||||
});
|
||||
assertDoesNotThrow(() -> statement.execute("insert into Demo.Teacher(id, name, joining_date) "
|
||||
+ "select id, name, joining_date from Teacher#TEMP"));
|
||||
ResultSet resultSet = statement.executeQuery("select count(id) as rows from Demo.Teacher where id in"
|
||||
+ " (12, 13, 14, 15)");
|
||||
resultSet.next();
|
||||
int totalRows = resultSet.getInt("rows");
|
||||
logger.info("total number of rows fetched:" + totalRows);
|
||||
assertEquals(4, totalRows);
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
void givenUserDefinedView_whenQueryView_thenSuccess() throws SQLException {
|
||||
URL url = ClassLoader.getSystemClassLoader().getResource("UserDefinedViews.json");
|
||||
|
||||
String folderPath = url.getPath().substring(0, url.getPath().lastIndexOf('/'));
|
||||
|
||||
try(Connection connection = getConnection(Map.of("Location", folderPath))) {
|
||||
PreparedStatement preparedStatement = connection.prepareStatement("select teacher_name,subject_name"
|
||||
+ " from UserViews.View_Teacher_Details where subject_name = ?");
|
||||
preparedStatement.setString(1, "Science");
|
||||
ResultSet resultSet = preparedStatement.executeQuery();
|
||||
while(resultSet.next()) {
|
||||
assertEquals("Science", resultSet.getString("subject_name"));
|
||||
logger.info("Science Teacher Name:" + resultSet.getString("teacher_name"));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
void givenAutoCache_whenQuery_thenSuccess() throws SQLException {
|
||||
URL url = ClassLoader.getSystemClassLoader().getResource("test.db");
|
||||
String folderPath = url.getPath().substring(0, url.getPath().lastIndexOf('/'));
|
||||
logger.info("Cache Location:" + folderPath);
|
||||
try(Connection connection = getConnection(Map.of("AutoCache", "true", "CacheLocation", folderPath))) {
|
||||
PreparedStatement preparedStatement = connection.prepareStatement("select id, name from Demo.Subject");
|
||||
|
||||
ResultSet resultSet = preparedStatement.executeQuery();
|
||||
while(resultSet.next()) {
|
||||
logger.info("Subject Name:" + resultSet.getString("name"));
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,5 @@
|
|||
{
|
||||
"View_Teacher_Details": {
|
||||
"query": "SELECT t.name as teacher_name, t.joining_date as joining_date, s.name as subject_name from Demo.Teacher_Details AS td INNER JOIN Demo.Teacher AS t ON t.id = td.teacher_id INNER JOIN Demo.Subject AS s on s.id = td.subject_id"
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue