HiWe are trying to fetch records from Postgre Tables.We are successfully able to build connectivity. We are Using Postgre ODBC Driver (Unicode).But when I query the tables of Postgre it is unable to map the datatype varchar of source Table.We got following Reply from Oracle Support.---------------------------------------------------------------------------------------------------------Hi,.DATA COLLECTED===============TRACE FILE------------mylog_3388.log.ISSUE VERIFICATION===================Verified the issue by the trace file mylog_3388.log, which displays [4464]**** PGAPI_DescribeCol: res = 22422104, stmt->status = 2, !finished=1, !premature=0[4464]getCharColumnSize: type=1043, col=2, unknown = 0[4464]describeCol: col 2 fieldname = 'name'[4464]describeCol: col 2 fieldtype = 1043[4464]describeCol: col 2 column_size = 50[4464]getCharColumnSize: type=1043, col=2, unknown = 0[4464]describeCol: col 2 *pfSqlType = -9[4464]describeCol: col 2 *pcbColDef = 50[4464]describeCol: col 2 *pibScale = 0[4464]describeCol: col 2 *pfNullable = 1.CAUSE DETERMINATION====================VARCHAR datatype from PostgreSQL is translated by your ODBC driver in an unsupported datatype for HSODBC.CAUSE JUSTIFICATION====================In the trace file, you get the datatype from postgreSQL ====>1043 VARCHAR(50)then you get the datatype that ODBC driver is mapping to get back to Oracle====>[4464]describeCol: col 2 *pfSqlType = -9If you look at in the Note 252548.1, -9 is SQL_WVARCHAR and unfortunately this ODBC datatype is not supported by the Generic Connectivity agent (HSODBC).To get confirmation, please have a look in the documentation:Oracle® Database Heterogeneous Connectivity Administrator's Guide10g Release 2 (10.2)Part Number B14232-01B Data Type Mapping for Generic ConnectivityB.1 Mapping ANSI Data Types to Oracle Data Types Through an ODBC Interface.POTENTIAL SOLUTION(S)======================Please check if in your ODBC driver there is any option to differently map the SQL_WVARCHAR datatype-----------------------------------------------------------------------------------------------------------Can you please suggest why varchar datatype is not correctly identified and what is the path to get solution?Thanks & Regards
Vidisha B Shah
Tata Consultancy Services Limited
Mailto: vidisha.shah@tcs.com
Website: http://www.tcs.com
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