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-
-            Dependency Additions For PostgreSQL 7.3 Upgrades
-
-In PostgreSQL releases prior to 7.3, certain database objects didn't
-have proper dependencies.  For example:
-
-1) When you created a table with a SERIAL column, there was no linkage
-to its underlying sequence.  If you dropped the table with the SERIAL
-column, the sequence was not automatically dropped.  
-
-2) When you created a foreign key, it created three triggers.  If you
-wanted to drop the foreign key, you had to drop the three triggers
-individually.
-
-3) When you created a column with constraint UNIQUE, a unique index was
-created but there was no indication that the index was created as a
-UNIQUE column constraint.
-
-Fortunately, PostgreSQL 7.3 and later now tracks such dependencies 
-and handles these cases.  Unfortunately, PostgreSQL dumps from prior
-releases don't contain such dependency information.
-
-This script operates on >= 7.3 databases and adds dependency information
-for the objects listed above.  It prompts the user on whether to create
-a linkage for each object.  You can use the -Y option to prevent such
-prompting and have it generate all possible linkages.
-
-This program requires the Pg:DBD Perl interface.
-
-Usage:
-
-  adddepend [options] [dbname [username]]
-
-Options:
-  -d <dbname>     Specify database name to connect to (default: postgres)
-  -h <host>       Specify database server host (default: localhost)
-  -p <port>       Specify database server port (default: 5432)
-  -u <username>   Specify database username (default: postgres)
-  --password=<pw> Specify database password (default: blank)
-
-  -Y              The script normally asks whether the user wishes to apply 
-                  the conversion for each item found.  This forces YES to all
-                  questions.
-
-Rod Taylor <pg@rbt.ca>