Merge a193-229-222-105.elisa-laajakaista.fi:/home/my/bk/mysql-4.1

into  a193-229-222-105.elisa-laajakaista.fi:/home/my/bk/mysql-5.0


mysql-test/t/analyse.test:
  Auto merged
sql/sql_analyse.cc:
  Auto merged
mysql-test/r/analyse.result:
  Merge from 4.1

mysql-test/t/analyse.test

@@ -48,6 +48,15 @@ insert into t1 values ('abc'),('abc\'def\\hij\"klm\0opq'),('\''),('\"'),('\\'),(
 select * from t1 procedure analyse();
 drop table t1;
 
+#
+# Bug#10716 - Procedure Analyse results in wrong values for optimal field type
+#
+
+create table t1 (d double);
+insert into t1 values (100000);
+select * from t1 procedure analyse (1,1);
+drop table t1;
+
 # End of 4.1 tests
 
 #decimal-related test

sql/sql_analyse.cc

@@ -880,18 +880,23 @@ void field_real::get_opt_type(String *answer,
   if (!max_notzero_dec_len)
   {
     if (min_arg >= -128 && max_arg <= (min_arg >= 0 ? 255 : 127))
-      sprintf(buff, "TINYINT(%d)", (int) max_length - (item->decimals + 1));
+      sprintf(buff, "TINYINT(%d)", (int) max_length -
+	      ((item->decimals == NOT_FIXED_DEC) ? 0 : (item->decimals + 1)));
     else if (min_arg >= INT_MIN16 && max_arg <= (min_arg >= 0 ?
 						 UINT_MAX16 : INT_MAX16))
-      sprintf(buff, "SMALLINT(%d)", (int) max_length - (item->decimals + 1));
+      sprintf(buff, "SMALLINT(%d)", (int) max_length -
+	      ((item->decimals == NOT_FIXED_DEC) ? 0 : (item->decimals + 1)));
     else if (min_arg >= INT_MIN24 && max_arg <= (min_arg >= 0 ?
 						 UINT_MAX24 : INT_MAX24))
-      sprintf(buff, "MEDIUMINT(%d)", (int) max_length - (item->decimals + 1));
+      sprintf(buff, "MEDIUMINT(%d)", (int) max_length -
+	      ((item->decimals == NOT_FIXED_DEC) ? 0 : (item->decimals + 1)));
     else if (min_arg >= INT_MIN32 && max_arg <= (min_arg >= 0 ?
 						 UINT_MAX32 : INT_MAX32))
-      sprintf(buff, "INT(%d)", (int) max_length - (item->decimals + 1));
+      sprintf(buff, "INT(%d)", (int) max_length -
+	      ((item->decimals == NOT_FIXED_DEC) ? 0 : (item->decimals + 1)));
     else
-      sprintf(buff, "BIGINT(%d)", (int) max_length - (item->decimals + 1));
+      sprintf(buff, "BIGINT(%d)", (int) max_length -
+	      ((item->decimals == NOT_FIXED_DEC) ? 0 : (item->decimals + 1)));
     answer->append(buff, (uint) strlen(buff));
     if (min_arg >= 0)
       answer->append(" UNSIGNED");