feat(postgres_java): add class VbnCreateFareZoneTable.java
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package de.swingbe.postgres_java;
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import java.sql.Connection;
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import java.sql.DriverManager;
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import java.sql.SQLException;
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import java.sql.Statement;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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public class VbnCreateFareZoneTable {
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public static void main(String[] args) {
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//connection URL for the postgres database
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//jdbc:postgresql://<host>:<port>/<database name>
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String url = "jdbc:postgresql://localhost:5432/testdb";
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String user = "usr";
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String password = "#password";
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try (Connection con = DriverManager.getConnection(url, user, password)) {
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try (Statement st = con.createStatement()) {
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//autocommit should always be turned off when doing batch updates
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con.setAutoCommit(false);
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//type: 0:echt,1:frei,2:wird benoetigt,3:virtuell
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//create a new table called friends and insert five rows into it
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st.addBatch("DROP TABLE IF EXISTS fare_zone");
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st.addBatch("CREATE TABLE fare_zone(ss_id smallserial PRIMARY KEY NOT NULL"
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+ ",si_number smallint NOT NULL"
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+ ",si_number_internal smallint"
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+ ",vc_name VARCHAR(255)"
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+ ",vc_name_short VARCHAR(255)"
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+ ",vc_type VARCHAR(15) NOT NULL)");
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st.addBatch("INSERT INTO fare_zone("
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+ "si_number"
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+ ",si_number_internal"
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+ ",vc_name"
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+ ",vc_name_short"
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+ ",vc_type) VALUES (" + "100,1000,'Bremen','Bremen','echt')");
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//method returns an array of committed changes
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int[] counts = st.executeBatch();
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con.commit();
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System.out.println("Committed " + counts.length + " updates");
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} catch (SQLException ex) {
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if (con != null) {
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try {
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con.rollback();
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} catch (SQLException ex1) {
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Logger lgr = Logger.getLogger(VbnCreateFareZoneTable.class.getName());
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lgr.log(Level.WARNING, ex1.getMessage(), ex1);
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}
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}
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Logger lgr = Logger.getLogger(VbnCreateFareZoneTable.class.getName());
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lgr.log(Level.SEVERE, ex.getMessage(), ex);
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}
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} catch (SQLException ex) {
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Logger lgr = Logger.getLogger(VbnCreateFareZoneTable.class.getName());
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lgr.log(Level.SEVERE, ex.getMessage(), ex);
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}
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}
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}
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