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Support for 1GB of characters in Varchar datatype

From: Vadivel Subramaniam <vadivel(dot)subramaniam(at)flextronicssoftware(dot)com>
To: pgsql-odbc(at)postgresql(dot)org
Cc: Vadivel Subramaniam <vadivel(dot)subramaniam(at)flextronicssoftware(dot)com>
Subject: Support for 1GB of characters in Varchar datatype
Date: 2005-06-06 10:00:00
Message-ID: OF52AC7E12.7E7DA9AB-ON65257018.0035CB22-65257018.0036EEB7@flextronicssoftware.com (view raw or flat)
Thread:
Lists: pgsql-odbc



Hi,

We have  a requirement wherein we have to store around 3 MB of data in
Postgres database.

We had gone through the postgres website
http://www.postgresql.org/docs/7.4/interactive/datatype-character.html#DATATYPE-CHARACTER-SPECIAL-TABLE

The above link says "varchar" can store upto 1 GB of data.  But when i try
to insert using ODBC API's the varchar field takes
only 65484 characters.    But i could insert more characters using INSERT
SQL command.  Even in this case when we fetch the data it reads only 65540
characters. Remaining data is not read from the varchar field.

Is there anything needs to be configured to make the varchar field to
support upto 1 GB.

Please send the details of how i can store upto 3 MB of character data in
the varchar field.

Postgres Version 7.4.2
Accessing using UnixODBC driver.

thanks,
Vadivel.

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