ASE was originally written in the c language. The optimizer (query compiler) and execution engine were subsequently rewritten in c++. When you see function names with the double colons ( '::'), you are in the c++ functions (technically class methods). In general I think it is harder to figure out just what ASE is doing from these names - and unless the failure is actually occurring in one of them there usually isn't much need to figure it out. These names are also more likely to be munged up by the FBO optimizer, and not just by appending ".fdpr.chunk" at the end. In general, if you are searching for these start by searching for the whole "class::method" string but not including the offset value (the '+0x<hexvalue>()') number, which indicates how many bytes we are into the assembly language for the function or method.
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