Re: JDBC Driver -- getImportedKeys

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(at)ejurka(dot)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 the postgreSQL JDBC driver.
>
> I am attempting to obtain metadata about the columns within a table, more specifically the primary and foreign keys within a table. Though the DataBaseMetaData method getPrimaryKeys() executes splendidly, I am getting errors when using the getImportedKeys() 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/postgreSQL jdbc driver that I should use? I'm really stumped by this issue and welcome any feedback that anyone may have.
>
> Thanks!
>
> Candis
>
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