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Posted to codereview@trafodion.apache.org by Weixin-Xu <gi...@git.apache.org> on 2017/12/29 06:50:21 UTC
[GitHub] trafodion pull request #1311: [TRAFODION-2818] For Server 2008, function pow...
Github user Weixin-Xu commented on a diff in the pull request:
https://github.com/apache/trafodion/pull/1311#discussion_r159030283
--- Diff: win-odbc64/odbcclient/drvr35/sqltocconv.cpp ---
@@ -36,6 +36,34 @@
#define MAXCHARLEN 32768 //32K
+// for server2008 when using function pow() then throws STATUS_ILLEGAL_INSTRUCTION
+__int64 pow(int base, short scale)
+{
+ DWORD dwVersion = 0;
+ DWORD dwBuild = 0;
+
+ dwVersion = GetVersion();
+
+ // Get the build number.
+
+ if (dwVersion < 0x80000000)
+ dwBuild = (DWORD)(HIWORD(dwVersion));
+
+ __int64 retValue = 1;
+ if (dwBuild == 7600)
+ {
+ scale = scale > 18 ? 18 : scale;
+ for (int i = 0; i < scale; i++)
+ retValue = retValue * 10;
+ }
+ else
+ {
+ retValue = pow((double)base, scale);
--- End diff --
I have token the advice, can you review it if you are free.
---