wenjun-zhu

Results 3 issues of wenjun-zhu

in file core/sql/executor/ExExeUtilLoad.cpp, lines like: ``` ex_expr::exp_return_type exprRetCode = lobTdb().inputExpr_->eval(NULL, workAtp_); ``` call function eval(), with first parameter NULL. Then code in ex_expr::evalClauses() accesses NULL pointer, so the server aborts....

Two points: - append a letter `x` to the function name setDiagsArea() - add a new function shareDiagsArea(), which increase the refCount of the source ComDiagsArea. This PR serves as...