Our application successfully communicates with various databases (MSSQL, Oracle, Firebird) via ADO, that's why I'm trying to use ADO to add the PostgreSQL option to our software. I use standard PostgreSQL ODBC provider. All was fine until I faced with the problem with the large TEXT fields. When I use Unicode version of the provider and try to get TEXT field AsString, the application is just crushed with EAccessViolation in method RemoveMediumFreeBlock(). ANSI version works, but it cuts the content of the field (I guess the characters besides default 8190 LongVarChar limit). Small TEXT fields are read OK. Could you suggest me what to do with this issue? Is there the better option to work with PostgreSQL via ADO in Delphi?
PostgreSQL + Delphi XE7 + ADO + ODBC
731 Views Asked by Alexander Popov At
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