48 lines
1.5 KiB
Java
48 lines
1.5 KiB
Java
package de.swingbe.postgres_java;
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import java.sql.*;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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public class JavaPostgreSqlMultipleStatements {
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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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String query = "SELECT id, name FROM authors WHERE Id=1;" + "SELECT id, name FROM authors WHERE Id=2;" + "SELECT id, name FROM authors WHERE Id=3";
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try (Connection con = DriverManager.getConnection(url, user, password); PreparedStatement pst = con.prepareStatement(query)) {
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boolean isResult = pst.execute();
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if (isResult) {
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System.out.println("The method returns a boolean value indicating if the first result is a ResultSet object");
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}
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do {
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try (ResultSet rs = pst.getResultSet()) {
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while (rs.next()) {
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System.out.print(rs.getInt(1));
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System.out.print(": ");
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System.out.println(rs.getString(2));
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}
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isResult = pst.getMoreResults();
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}
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} while (isResult);
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} catch (SQLException ex) {
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Logger lgr = Logger.getLogger(JavaPostgreSqlMultipleStatements.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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