From 1f1001b640863701b1375fb1dac45ba7ce189e0e Mon Sep 17 00:00:00 2001
From: xianyu-w <707512433@qq.com>
Date: Mon, 20 Mar 2023 20:40:30 +0800
Subject: [PATCH] Revert print cast for questionmark in dblink

---
 src/sql/resolver/expr/ob_raw_expr_printer.cpp | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/src/sql/resolver/expr/ob_raw_expr_printer.cpp b/src/sql/resolver/expr/ob_raw_expr_printer.cpp
index 83541cd828..fab268be71 100644
--- a/src/sql/resolver/expr/ob_raw_expr_printer.cpp
+++ b/src/sql/resolver/expr/ob_raw_expr_printer.cpp
@@ -207,7 +207,6 @@ int ObRawExprPrinter::print(ObConstRawExpr *expr)
   } else if (print_params_.for_dblink_ && T_QUESTIONMARK == expr->get_expr_type()) {
     int64_t idx = expr->get_value().get_unknown();
     bool is_bool_expr = false;
-    bool is_null_type = ob_is_null(expr->get_result_type().get_type());
     if (expr->is_exec_param_expr()) {
       ObExecParamRawExpr *exec_expr = static_cast<ObExecParamRawExpr*>(expr);
       if (OB_FAIL(ObRawExprUtils::check_is_bool_expr(exec_expr->get_ref_expr(), is_bool_expr))) {
@@ -227,18 +226,11 @@ int ObRawExprPrinter::print(ObConstRawExpr *expr)
        *
        */
       LOG_WARN("fail to print 1 =", K(ret));
-    } else if (!is_null_type && OB_FAIL(databuff_printf(buf_, buf_len_, *pos_, "cast("))) {
-      LOG_WARN("fail to print cast(", K(ret));
     } else if (OB_NOT_NULL(param_store_) && 0 <= idx && idx < param_store_->count()) {
       OZ (param_store_->at(idx).print_sql_literal(buf_, buf_len_, *pos_, print_params_));
     } else if (OB_FAIL(ObLinkStmtParam::write(buf_, buf_len_, *pos_, expr->get_value().get_unknown()))) {
       LOG_WARN("fail to write param to buf", K(ret));
     }
-    if (OB_SUCC(ret) && !is_null_type) {
-      DATA_PRINTF(" as ");
-      OZ(print_type(expr->get_result_type()));
-      DATA_PRINTF(")");
-    }
   } else if (OB_NOT_NULL(param_store_) && T_QUESTIONMARK == expr->get_expr_type()) {
     int64_t idx = expr->get_value().get_unknown();
     CK (0 <= idx && idx < param_store_->count());