Initial commit: Java HSQLDB export tool
This commit is contained in:
Paul Huliganga
commit
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target/
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*.class
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*.jar
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*.log
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.DS_Store
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import java.sql.*;
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import java.util.*;
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import org.hsqldb.jdbcDriver;
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public class ExportTool {
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public static void main(String[] args) {
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Connection conn = null;
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try {
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// Load the HSQLDB 1.8 driver
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Class.forName("org.hsqldb.jdbcDriver");
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// Connect to the database
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// Note: path is relative to where we run it, or absolute
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String url = "jdbc:hsqldb:file:/home/paulh/.openclaw/workspace/docs/pauls-blogs/Paul/data/database";
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conn = DriverManager.getConnection(url, "SA", "");
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// Query all posts
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Statement stmt = conn.createStatement();
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// Based on database.script, the table is ENTRY_TABLE_1096292361887
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// Columns: ID, TIMESTAMP, TITLE, CATEGORIES, ENTRY, DRAFT, MODIFIED, AUTHOR
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ResultSet rs = stmt.executeQuery("SELECT * FROM ENTRY_TABLE_1096292361887");
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System.out.println("[");
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boolean first = true;
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while (rs.next()) {
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if (!first) {
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System.out.println(",");
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}
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first = false;
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int id = rs.getInt("ID");
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String title = escape(rs.getString("TITLE"));
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Timestamp ts = rs.getTimestamp("TIMESTAMP");
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String date = (ts != null) ? ts.toString() : "";
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String content = escape(rs.getString("ENTRY"));
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String categories = escape(rs.getString("CATEGORIES"));
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String author = escape(rs.getString("AUTHOR"));
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System.out.print(" {");
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System.out.print("\"id\": " + id + ", ");
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System.out.print("\"title\": \"" + title + "\", ");
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System.out.print("\"date\": \"" + date + "\", ");
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System.out.print("\"content\": \"" + content + "\", ");
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System.out.print("\"categories\": \"" + categories + "\", ");
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System.out.print("\"author\": \"" + author + "\"");
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System.out.print("}");
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}
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System.out.println("\n]");
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} catch (Exception e) {
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e.printStackTrace();
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} finally {
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try { if (conn != null) conn.close(); } catch (SQLException e) {}
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}
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}
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// Simple JSON escaping
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private static String escape(String s) {
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if (s == null) return "";
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return s.replace("\\", "\\\\")
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.replace("\"", "\\\"")
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.replace("\n", "\\n")
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.replace("\r", "\\r")
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.replace("\t", "\\t");
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}
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}
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-parent</artifactId>
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<version>2.7.12</version>
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<relativePath/>
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</parent>
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<groupId>com.example</groupId>
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<artifactId>thingamablog-api</artifactId>
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<version>0.1.0</version>
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<name>thingamablog-api</name>
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<description>Spring Boot API for Thingamablog HSQLDB</description>
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<properties>
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<java.version>1.8</java.version>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-web</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-data-jpa</artifactId>
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</dependency>
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<dependency>
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<groupId>org.hsqldb</groupId>
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<artifactId>hsqldb</artifactId>
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<version>1.8.0.10</version>
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<scope>runtime</scope>
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</dependency>
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<dependency>
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<groupId>com.h2database</groupId>
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<artifactId>h2</artifactId>
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<scope>runtime</scope>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-maven-plugin</artifactId>
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</plugin>
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</plugins>
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</build>
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</project>
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package com.example.thingamablog;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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@SpringBootApplication
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public class ThingamablogApiApplication {
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public static void main(String[] args) {
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SpringApplication.run(ThingamablogApiApplication.class, args);
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}
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}
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package com.example.thingamablog.controller;
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import com.example.thingamablog.model.BlogEntry;
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import com.example.thingamablog.repository.BlogEntryRepository;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.web.bind.annotation.*;
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import java.util.List;
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@RestController
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@RequestMapping("/api/posts")
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@CrossOrigin(origins = "http://localhost:3000")
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public class BlogEntryController {
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@Autowired
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private BlogEntryRepository blogEntryRepository;
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@GetMapping
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public List<BlogEntry> getAll() {
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return blogEntryRepository.findAll();
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}
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@GetMapping("/{id}")
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public BlogEntry getOne(@PathVariable Long id) {
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return blogEntryRepository.findById(id).orElse(null);
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}
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}
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package com.example.thingamablog.model;
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import javax.persistence.*;
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import java.sql.Timestamp;
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@Entity
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@Table(name = "ENTRY_TABLE_1096292361887")
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public class BlogEntry {
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@Id
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@GeneratedValue(strategy = GenerationType.IDENTITY)
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private Long id;
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private Timestamp timestamp;
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private String title;
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private String categories;
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@Column(length = 65535)
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private String entry;
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private Boolean draft;
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private Timestamp modified;
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private String author;
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public Long getId() { return id; }
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public void setId(Long id) { this.id = id; }
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public Timestamp getTimestamp() { return timestamp; }
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public void setTimestamp(Timestamp timestamp) { this.timestamp = timestamp; }
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public String getTitle() { return title; }
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public void setTitle(String title) { this.title = title; }
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public String getCategories() { return categories; }
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public void setCategories(String categories) { this.categories = categories; }
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public String getEntry() { return entry; }
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public void setEntry(String entry) { this.entry = entry; }
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public Boolean getDraft() { return draft; }
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public void setDraft(Boolean draft) { this.draft = draft; }
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public Timestamp getModified() { return modified; }
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public void setModified(Timestamp modified) { this.modified = modified; }
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public String getAuthor() { return author; }
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public void setAuthor(String author) { this.author = author; }
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}
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package com.example.thingamablog.repository;
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import com.example.thingamablog.model.BlogEntry;
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import org.springframework.data.jpa.repository.JpaRepository;
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public interface BlogEntryRepository extends JpaRepository<BlogEntry, Long> {}
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spring.datasource.url=jdbc:hsqldb:file:/home/paulh/.openclaw/workspace/docs/pauls-blogs/Paul/database/database
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spring.datasource.username=SA
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spring.datasource.password=
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spring.datasource.driver-class-name=org.hsqldb.jdbcDriver
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spring.jpa.hibernate.ddl-auto=none
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spring.jpa.show-sql=true
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spring.hsqldb.shutdown=true
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# H2 Console - DISABLED due to HSQLDB 1.8.x incompatibility
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spring.h2.console.enabled=false
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