[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_mod.cpp
+++ b/src/sql/engine/expr/ob_expr_mod.cpp
@ -54,7 +54,11 @@ int ObExprMod::calc_result_type2(ObExprResType &type,
      type.set_scale(SCALE_UNKNOWN_YET);
    } else {
      type.set_scale(MAX(scale1, scale2));
-      type.set_precision(MAX(type1.get_precision(),type2.get_precision()));
+      if (lib::is_mysql_mode() && type.is_double()) {
+        type.set_precision(ObMySQLUtil::float_length(type.get_scale()));
+      } else {
+        type.set_precision(MAX(type1.get_precision(),type2.get_precision()));
+      }
    }
  }
  return ret;