[CALCITE-6405] TO_TIMESTAMP doesn't work

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Won't Fix
• Affects Version/s: 1.35.0, 1.36.0
• Fix Version/s: 1.37.0
• Assignee: Unassigned
• Reporter: Oleg Alekseev
• Created: 10/May/24 12:42
• Updated: 11/May/24 04:43
• Resolved: 11/May/24 04:43

Description

TO_TIMESTAMP doesn't work... it leads to java.lang.RuntimeException: cannot translate call TO_TIMESTAMP($t1, $t2)

PARSE_TIMESTAMP works good

import org.apache.calcite.adapter.jdbc.JdbcSchema;
import org.apache.calcite.avatica.util.Casing;
import org.apache.calcite.config.CalciteConnectionProperty;
import org.apache.calcite.jdbc.CalciteConnection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.Properties;
import org.apache.calcite.jdbc.Driver;
import org.apache.calcite.schema.SchemaPlus;
import javax.sql.DataSource;

public class Test {
    public static void main(String[] args) throws SQLException {
        CalciteConnection connection = initCalciteConnection();

        DataSource oracleDataSource1 = JdbcSchema.dataSource(
                "jdbc:oracle:thin:@//<ip>:<port>/<service>",
                "oracle.jdbc.OracleDriver",
                "<user>",
                "<password>"
        );  
      
        String schemaName = "oracle_1";
        SchemaPlus rootSchema = connection.getRootSchema();
        JdbcSchema jdbcSchema = JdbcSchema.create(rootSchema, schemaName, oracleDataSource1, null, "<schema>");
        rootSchema.add(schemaName, jdbcSchema);

//        String sql = """
//            SELECT PARSE_TIMESTAMP('%d.%m.%Y %H:%M:%S', '01.01.2024 00:00:00')
//        """;

        String sql = """
            SELECT TO_TIMESTAMP('2024-01-01 00:00:00', 'YYYY-MM-DD HH24:MI:SS')
        """;

        ResultSet resultSet = connection.createStatement().executeQuery(sql);

        while (resultSet.next()) {
            for (int i=1; i <= resultSet.getMetaData().getColumnCount(); i++) {
                System.out.println(resultSet.getString(i));
                System.out.println(" ");
            }
            System.out.println(" ");
        }
    }    

    private static CalciteConnection initCalciteConnection() throws SQLException {
        DriverManager.registerDriver(new Driver());
        Properties properties = new Properties();
//        properties.putIfAbsent(CalciteConnectionProperty.FUN.camelName(), "oracle,postgresql,bigquery");
        properties.putIfAbsent(CalciteConnectionProperty.FUN.camelName(), "all");
        properties.putIfAbsent(CalciteConnectionProperty.CASE_SENSITIVE.camelName(), "false");
        properties.putIfAbsent(CalciteConnectionProperty.QUOTED_CASING.camelName(), Casing.UNCHANGED.name());
        properties.putIfAbsent(CalciteConnectionProperty.UNQUOTED_CASING.camelName(), Casing.UNCHANGED.name());        

        return DriverManager.getConnection("jdbc:calcite:", properties).unwrap(CalciteConnection.class);
    }
}
 

Issue Links

• relates to: CALCITE-6315 Support PostgreSQL TO_DATE, TO_TIMESTAMP