[FEAT MERGE] Support float/double(m, d) in mysql mode

2022-12-29 12:09:23 +00:00
parent d967637528
commit 26f2754db2
58 changed files with 695 additions and 118 deletions
--- a/src/sql/engine/expr/ob_expr_func_ceil.cpp
+++ b/src/sql/engine/expr/ob_expr_func_ceil.cpp
@ -100,7 +100,11 @@ int ObExprCeilFloor::calc_result_type1(ObExprResType &type,
    //no need to test ret here
    // scale
    type.set_scale(0);
-    type.set_precision(type1.get_precision());
+    if (lib::is_mysql_mode() && type.is_double()) {
+      type.set_precision(17); // float length of 0
+    } else {
+      type.set_precision(type1.get_precision());
+    }
  }

  ObExprOperator::calc_result_flag1(type, type1);