2021-08-05

jdbc-sqlite/build.gradle.kts

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+/*
+ * Examples for Java
+ *
+ * Copyright (c) 2021. Elex. All Rights Reserved.
+ * https://www.elex-project.com/
+ */
+
+plugins {
+    id("elex-java")
+}
+
+dependencies {
+
+    runtimeOnly ("org.xerial:sqlite-jdbc:3.36.0.1")
+}

jdbc-sqlite/logback.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ Examples for Java
+  ~
+  ~ Copyright (c) 2021. Elex. All Rights Reserved.
+  ~ https://www.elex-project.com/
+  -->
+
+<configuration>
+
+	<appender name="CONSOLE" class="ch.qos.logback.core.ConsoleAppender">
+		<encoder>
+			<pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
+		</encoder>
+	</appender>
+
+	<root level="TRACE">
+		<appender-ref ref="CONSOLE" />
+	</root>
+</configuration>

jdbc-sqlite/src/main/java/kr/pe/elex/examples/JdbcSample.java

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+/*
+ * Examples for Java
+ *
+ * Copyright (c) 2021. Elex. All Rights Reserved.
+ * https://www.elex-project.com/
+ */
+
+package kr.pe.elex.examples;
+
+import lombok.extern.slf4j.Slf4j;
+
+import java.sql.*;
+
+@Slf4j
+public class JdbcSample {
+	public static void main(String... args) throws SQLException {
+		Connection conn = DriverManager.getConnection("jdbc:sqlite:test.db");
+
+		Statement stat = conn.createStatement();
+		stat.executeUpdate("drop table if exists people;");
+		stat.executeUpdate("create table people (name, occupation);");
+
+		PreparedStatement prep = conn.prepareStatement("insert into people values (?, ?);");
+
+		prep.setString(1, "Gandhi");
+		prep.setString(2, "politics");
+		prep.addBatch();
+		prep.setString(1, "Turing");
+		prep.setString(2, "computers");
+		prep.addBatch();
+		prep.setString(1, "Wittgenstein");
+		prep.setString(2, "smartypants");
+		prep.addBatch();
+
+		conn.setAutoCommit(false);
+		prep.executeBatch();
+		conn.setAutoCommit(true);
+
+
+		ResultSet rs = stat.executeQuery("select * from people;");
+		while (rs.next()) {
+			System.out.println("name = " + rs.getString("name"));
+			System.out.println("job = " + rs.getString("occupation"));
+		}
+		rs.close();
+		conn.close();
+
+	}
+}

jdbc-sqlite/src/main/java/kr/pe/elex/examples/package-info.java

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+/*
+ * Examples for Java
+ *
+ * Copyright (c) 2021. Elex. All Rights Reserved.
+ * https://www.elex-project.com/
+ */
+
+package kr.pe.elex.examples;