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Revision 751

Added by bojilova over 23 years ago

change the method name getDateString() to getDateFunction()
return "now()::date" in the DBPostgresql implementation of that method

View differences:

src/edu/ucsb/nceas/dbadapter/DBAdapter.java
64 64 
   *
65 65 
   * @return return the current date and time function name
66 66 
   */
67 
  public abstract String getDateString();
67 
  public abstract String getDateFunction();
68 68 

  		




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  /**


  		




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   * The character that the specific database implementation uses to 


  		




  ......




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      DBAdapter dbAdapterObj = (DBAdapter)createObject(dbAdapter);


  		




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  110
  
    
      


  		




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      // test if they work correctly


  		




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      String date = dbAdapterObj.getDateString();


  		




  
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      String date = dbAdapterObj.getDateFunction();


  		




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      Connection conn = util.openDBConnection();


  		




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      long uniqueid = dbAdapterObj.getUniqueID(conn, "xml_catalog");


  		












  

    
      src/edu/ucsb/nceas/dbadapter/DBPostgresql.java
    
  





  1
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/**


  		




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 *  '$RCSfile$'


  		




  3
  
  
    
 *    Purpose: A db adapter class for Postgresql RDBMS.


  		




  
  3
  
    
 *    Purpose: A db adapter class for PostgreSQL RDBMS.


  		




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 *  Copyright: 2000 Regents of the University of California and the


  		




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 *             National Center for Ecological Analysis and Synthesis


  		




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 *    Authors: Jivka Bojilova


  		




  ......




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import java.sql.*;


  		




  31
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/**


  		




  33
  
  
    
 * The Oracle db adapter implementation.


  		




  
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 * The PostgreSQL db adapter implementation.


  		




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 */


  		




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public class DBPostgresql extends DBAdapter {


  		




  36
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  /**


  		




  38
  
  
    
   * The Postgresql unique ID /sequence generator


  		




  
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   * The PostgreSQL unique ID /sequence generator


  		




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   * The name of the sequence used to generate the unique id 


  		




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   * is made from the name of the table that uses the id by 


  		




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   * appending "_id_seq" to it.


  		




  ......




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  }


  		




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  63
  
    

  		




  64
  64
  
    
  /**


  		




  65
  
  
    
   * The Postgresql function name that gets the current date 


  		




  66
  
  
    
   * from the database server


  		




  
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   * The PostgreSQL function name that gets the current date 


  		




  
  66
  
    
   * and time from the database server


  		




  67
  67
  
    
   *


  		




  68
  
  
    
   * @return return the current date and time function name: "sysdate"


  		




  
  68
  
    
   * @return return the current date and time function name: "now()::date"


  		




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   */


  		




  70
  
  
    
  public String getDateString() {


  		




  
  70
  
    
  public String getDateFunction() {


  		




  71
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  72
  
  
    
    //System.out.println("Current date string: " + "sysdate");    


  		




  73
  
  
    
    return "current_date";


  		




  74
  
  
    
		//for current time use current_time


  		




  
  72
  
    
    //System.out.println("The date and time function: " + "now()::date");    


  		




  
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    return "now()::date";


  		




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  }


  		




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  /**


  		




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   * Postgresql's string delimiter character: single quote (')


  		




  
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   * PostgreSQL's string delimiter character: single quote (')


  		




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   *


  		




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   * @return return the string delimiter: single quote (')


  		




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   */


  		












  

    
      src/edu/ucsb/nceas/dbadapter/DBOracle.java
    
  





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   *


  		




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   * @return return the current date and time function name: "sysdate"


  		




  68
  68
  
    
   */


  		




  69
  
  
    
  public String getDateString() {


  		




  
  69
  
    
  public String getDateFunction() {


  		




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  71
  
  
    
    //System.out.println("Current date string: " + "sysdate");    


  		




  
  71
  
    
    //System.out.println("The date and time function: " + "sysdate");    


  		




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    return "sysdate";


  		




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  }


  		




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