main.null --ps: Item_null doesn't need charset converter

in particular, not the one that destructively changes Item's charset (meaning different metadata for PREPARE and EXECUTE)

main.null --ps: Item_null doesn't need charset converter
in particular, not the one that destructively changes Item's charset (meaning different metadata for PREPARE and EXECUTE)
f122cca4 · Sergei Golubchik · 6f12cfdc · f122cca4
Commit f122cca4 authored Jan 31, 2015 by Sergei Golubchik
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sql/item.cc sql/item.cc +0 -1

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--- a/sql/item.cc
+++ b/sql/item.cc
@@ -3132,7 +3132,6 @@ my_decimal *Item_null::val_decimal(my_decimal *decimal_value)

 Item *Item_null::safe_charset_converter(CHARSET_INFO *tocs)
 {
-  collation.set(tocs);
  return this;
 }