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tobias 2024-09-27 22:33:12 +02:00
commit 0962ff3572
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.classpath Normal file
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<?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"/>
<attribute name="optional" 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 excluding="**" kind="src" output="target/test-classes" path="src/test/resources">
<attributes>
<attribute name="maven.pomderived" value="true"/>
<attribute name="test" value="true"/>
<attribute name="optional" value="true"/>
</attributes>
</classpathentry>
<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-17">
<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>

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/target/

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<?xml version="1.0" encoding="UTF-8"?>
<projectDescription>
<name>traccar-db-migrate</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>

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eclipse.preferences.version=1
org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
org.eclipse.jdt.core.compiler.compliance=17
org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning
org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=ignore
org.eclipse.jdt.core.compiler.release=disabled
org.eclipse.jdt.core.compiler.source=17

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.settings/org.eclipse.m2e.core.prefs Normal file
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activeProfiles=
eclipse.preferences.version=1
resolveWorkspaceProjects=true
version=1

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pom.xml Normal file
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<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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>info.peper.traccar</groupId>
<artifactId>traccar-db-migrate</artifactId>
<version>0.0.1-SNAPSHOT</version>
<properties>
<maven.compiler.source>17</maven.compiler.source>
<maven.compiler.target>17</maven.compiler.target>
</properties>
<dependencies>
<!-- https://mvnrepository.com/artifact/com.h2database/h2 -->
<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
<version>2.1.214</version>
</dependency>
<!--
https://mvnrepository.com/artifact/org.mariadb.jdbc/mariadb-java-client -->
<dependency>
<groupId>org.mariadb.jdbc</groupId>
<artifactId>mariadb-java-client</artifactId>
<version>3.4.1</version>
</dependency>
</dependencies>
</project>

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src/main/java/info/peper/traccar/migrate/MigrateMain.java Normal file
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package info.peper.traccar.migrate;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;
import java.sql.Types;
import java.util.HashSet;
import java.util.Set;
public class MigrateMain {
public static void main(String[] args) throws Exception {
// Class.forName ("org.h2.Driver");
final Connection conn = DriverManager.getConnection ("jdbc:h2:./database", "sa","");
final Statement stmt = conn.createStatement();
final Set<Integer> types = new HashSet<Integer>();
try (ResultSet rs = conn.getMetaData().getTables(null, null, null, null)) {
while (rs.next()) {
if (rs.getString("TABLE_SCHEM").equals("PUBLIC")) {
System.out.println(rs.getString("TABLE_SCHEM") + "\t" + rs.getString("TABLE_NAME") + "\t" + rs.getString("TABLE_TYPE"));
try (ResultSet rs2 = stmt.executeQuery("SELECT * FROM " + rs.getString("TABLE_NAME"))) {
for (int i = 0; i < rs2.getMetaData().getColumnCount(); i++) {
System.out.print("- " + rs2.getMetaData().getColumnName(i + 1) + "(" + rs2.getMetaData().getColumnType(i + 1) + ") ");
types.add(rs2.getMetaData().getColumnType(i + 1));
}
System.out.println();
while (rs2.next()) {
// for (int i = 0; i < rs2.getMetaData().getColumnCount(); i++) {
// System.out.print("- " + rs2.getString(rs2.getMetaData().getColumnName(i + 1)));
// }
System.out.print(".");
}
System.out.println();
}
}
}
}
/*
* 16 BOOLEAN
* 1 CHAR
* 4 INTEGER
* 2004 BLOB
* 6 FLOAT
* 8 DOUBLE
* 12 VARCHAR
* 93 TIMESTAMP
*/
System.out.println(types.toString());
}
/*
* TABLE_CAT String => table catalog (may be null)
TABLE_SCHEM String => table schema (may be null)
TABLE_NAME String => table name
TABLE_TYPE String => table type. Typical types are "TABLE", "VIEW", "SYSTEM TABLE", "GLOBAL TEMPORARY", "LOCAL TEMPORARY", "ALIAS", "SYNONYM".
REMARKS String => explanatory comment on the table (may be null)
TYPE_CAT String => the types catalog (may be null)
TYPE_SCHEM String => the types schema (may be null)
TYPE_NAME String => type name (may be null)
SELF_REFERENCING_COL_NAME String => name of the designated "identifier" column of a typed table (may be null)
REF_GENERATION String => specifies how values in SELF_REFERENCING_COL_NAME are created. Values are "SYSTEM", "USER", "DERIVED". (may be null)
*/
}