Re: JDBC Driver -- getImportedKeys
От | Candis Thomas |
---|---|
Тема | Re: JDBC Driver -- getImportedKeys |
Дата | |
Msg-id | 3430B9A60E93564FAB3B5861335CBDCF6129CB@germanium.numethods.com обсуждение исходный текст |
Ответ на | JDBC Driver -- getImportedKeys ("Candis Thomas" <cthomas@nubridges.com>) |
Ответы |
Re: JDBC Driver -- getImportedKeys
(Kris Jurka <books@ejurka.com>)
|
Список | pgsql-jdbc |
The stack trace is as follows: java.lang.StringIndexOutOfBoundsException: String index out of range: -3 at java.lang.String.substring(String.java:1520) at java.lang.String.substring(String.java:1487) at org.postgresql.jdbc2.DatabaseMetaData.importLoop(DatabaseMetaData.java:2263) at org.postgresql.jdbc2.DatabaseMetaData.getImportedKeys(DatabaseMetaData.java:2408) at com.nubridges.shared.util.Column.setColumnInfo(Column.java:369) at com.nubridges.shared.util.Column.main(Column.java:426) Candis. -----Original Message----- From: Kris Jurka [mailto:books@ejurka.com] Sent: Tuesday, January 07, 2003 3:07 PM To: Candis Thomas Cc: PostgreSQL JDBC List Subject: Re: [JDBC] JDBC Driver -- getImportedKeys Do you have a stack trace of the StringIndexOutOfBoundsException ? Kris Jurka On Tue, 7 Jan 2003, Candis Thomas wrote: > Hello all!, > > I'm relatively new to the mailing list, but am indeed having a serious problem with a particular method when using thepostgreSQL JDBC driver. > > I am attempting to obtain metadata about the columns within a table, more specifically the primary and foreign keys withina table. Though the DataBaseMetaData method getPrimaryKeys() executes splendidly, I am getting errors when using thegetImportedKeys() method. The code below attempts to determine whether or not a particular column is a foreign key. > > The code that I am using is as follows: > rs = getMetaData().getImportedKeys(null, null, getTableName()); > boolean keepLooking = false; > if(rs != null){ > System.out.println("Resut not null, therefore there are imported keys"); > while(rs.next() && keepLooking){ > System.out.println("Inside 'rs.next()'"); > //Check to see if a particular column is a foreign key > if(rs.getString("FKCOLUMN_NAME").equalsIgnoreCase(getColumnName())){ > setForeignKey(true); > keepLooking = false; > } > }//end while > }//if result set isn't null > > > The errors that I receive are detailed below (note the listed drivers were added to my classpath): > postgreSQL driver 7.3.1 - java.lang.StringIndexOutOfBoundsException: String index out of range: -3 > postgreSQL jdbc driver 7.3.0 (jdbc 3.0) - java.lang.StringIndexOutOfBoundsException: String index out of range: -3 > > I am attempting to retrieve information on the following table with the following columns: > APPLIANCE > Keyname Unique Primary Field > ======= ====== ======= ===== > app_mac_address Yes No app_mac_address_net > app_mac_address_net_idx No No app_mac_address_net > appliance_company_id_idx No No company_id > appliance_pkey Yes Yes appliance_id > > Does anyone have any ideas about what the problem could be? Is this the most recent combination of postgreSQL driver/postgreSQLjdbc driver that I should use? I'm really stumped by this issue and welcome any feedback that anyone mayhave. > > Thanks! > > Candis > > ---------------------------(end of broadcast)--------------------------- > TIP 2: you can get off all lists at once with the unregister command > (send "unregister YourEmailAddressHere" to majordomo@postgresql.org) >
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