Github user DaveBirdsall commented on a diff in the pull request:
https://github.com/apache/incubator-trafodion/pull/347#discussion_r54446568
--- Diff: core/sql/optimizer/BindRI.cpp ---
@@ -408,6 +408,39 @@ void
RefConstraint::getMatchOptionPredicateText(NAString &text,
text += ")";
}
+//helper function to check if the given column name is reserved hidden
coloum
+static NABoolean isHiddenColumn(const char *colname)
+{
+ int len = strlen(colname);
+ if(strcmp(colname , "_SALT_") ==0)
+ return TRUE;
+ //check for DIVISION column
+ //pattern _DIVISION_%d_
+ //must longer than 12
+ if(len >= 12) {
+ //must end with _
+ if(colname[len] == '_')
--- End diff --
colname[len] will always be '\0' since len is the strlen of colname. I
think you meant, colname[len-1] here.
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