| GNADE User's Guide: GNADE, The GNat Ada Database Environment; Version 1.5.0; Document Revision $Revision: 1.42 $ | ||
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Intercept the DATABASE_ERROR exception as shown below.
Example A-2. Intercpetion connection errors
begin
EXEC SQL CONNECT $DBUSER
IDENTIFIED BY $DBPASSWD
BY DB01
TO $DBSOURCE ; -- Hallo Test
...............
exception
when GNU.DB.SQLCLI.DATABASE_ERROR =>
Put_Line("Connection Error");
.....................
when Others =>
raise;
In addition GNADE esql provide the ON clause in the CONNECT statement which allows to intercept communication and authorization errors.