add code for sw compiling and fix some problems

src/sql/engine/expr/ob_expr_instr.cpp

@@ -211,7 +211,7 @@ int ObExprOracleInstr::calc(ObObj& result, const ObObj& haystack, const ObObj& n
         }
       } else {
         if (OB_FAIL(slow_reverse_search(*(expr_ctx.calc_buf_), calc_cs_type, str1, str2, pos, occ, idx))) {
-          LOG_WARN("slow_reverse_search failed", K(ret), K(str1), K(str2), K(pow), K(occ));
+          LOG_WARN("slow_reverse_search failed", K(ret), K(str1), K(str2), K(occ));
         }
       }
       if (OB_SUCC(ret)) {

src/sql/resolver/ob_stmt.h

@@ -594,9 +594,6 @@ public:
     return ret;
   }
 
-  template <>
-  int create_stmt<ObSelectStmt>(ObSelectStmt*& stmt);
-
   inline int free_stmt(ObSelectStmt* stmt)
   {
     int ret = common::OB_SUCCESS;
@@ -630,6 +627,9 @@ private:
 private:
   DISALLOW_COPY_AND_ASSIGN(ObStmtFactory);
 };
+
+template <>
+int ObStmtFactory::create_stmt<ObSelectStmt>(ObSelectStmt*& stmt);
 }  // namespace sql
 }  // namespace oceanbase