From: | "Hiroki Kataoka" <kataoka(at)interwiz(dot)koganei(dot)tokyo(dot)jp> |
---|---|
To: | "Pgsql-Interfaces" <pgsql-interfaces(at)postgreSQL(dot)org> |
Subject: | a precision problem of the SQL_C_DOUBLE value in the PsqlODBC |
Date: | 1999-12-21 07:16:19 |
Message-ID: | NDBBIKCHILNJOAAPDPKMEECOCAAA.kataoka@interwiz.koganei.tokyo.jp |
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Lists: | pgsql-interfaces |
Hi all.
I have found a precision problem of the SQL_C_DOUBLE value in the PsqlODBC.
When the PsqlODBC send a SQL_C_DOUBLE value from the ODBC client application
to PostgreSQL server, the precision is missing.
=====
Hiroki Kataoka
Following is a patch to fix this problem.
*** src.v06-40-0007/convert.c Fri Apr 9 18:47:40 1999
--- src.v06-40-0007.test/./convert.c Thu Dec 16 11:51:00 1999
***************
*** 710,721 ****
break;
case SQL_C_DOUBLE:
! sprintf(param_string, "%f",
*((SDOUBLE *) buffer));
break;
case SQL_C_FLOAT:
! sprintf(param_string, "%f",
*((SFLOAT *) buffer));
break;
--- 710,721 ----
break;
case SQL_C_DOUBLE:
! sprintf(param_string, "%.16g",
*((SDOUBLE *) buffer));
break;
case SQL_C_FLOAT:
! sprintf(param_string, "%.7g",
*((SFLOAT *) buffer));
break;
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