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-rw-r--r--sql/sql_select.cc37
1 files changed, 1 insertions, 36 deletions
diff --git a/sql/sql_select.cc b/sql/sql_select.cc
index 014b63c057c..a89638937be 100644
--- a/sql/sql_select.cc
+++ b/sql/sql_select.cc
@@ -9493,43 +9493,8 @@ static Field *create_tmp_field_from_item(THD *thd, Item *item, TABLE *table,
new_field->set_derivation(item->collation.derivation);
break;
case DECIMAL_RESULT:
- {
- uint8 dec= item->decimals;
- uint8 intg= ((Item_decimal *) item)->decimal_precision() - dec;
- uint32 len= item->max_length;
-
- /*
- Trying to put too many digits overall in a DECIMAL(prec,dec)
- will always throw a warning. We must limit dec to
- DECIMAL_MAX_SCALE however to prevent an assert() later.
- */
-
- if (dec > 0)
- {
- signed int overflow;
-
- dec= min(dec, DECIMAL_MAX_SCALE);
-
- /*
- If the value still overflows the field with the corrected dec,
- we'll throw out decimals rather than integers. This is still
- bad and of course throws a truncation warning.
- +1: for decimal point
- */
-
- overflow= my_decimal_precision_to_length(intg + dec, dec,
- item->unsigned_flag) - len;
-
- if (overflow > 0)
- dec= max(0, dec - overflow); // too long, discard fract
- else
- len -= item->decimals - dec; // corrected value fits
- }
-
- new_field= new Field_new_decimal(len, maybe_null, item->name,
- dec, item->unsigned_flag);
+ new_field= Field_new_decimal::new_decimal_field(item);
break;
- }
case ROW_RESULT:
default:
// This case should never be choosen