MDEV-25638 Assertion `!result' failed in convert_const_to_int

When fixing vcols, fix_fields might call convert_const_to_int().
And that will try to read the field value (from record[0]).
Mark the table as having no data to prevent that, because record[0]
is not initialized yet.

mysql-test/r/check_constraint.result

@@ -236,6 +236,37 @@ insert t1 (b) values (1);
 ERROR 23000: CONSTRAINT `CONSTRAINT_1` failed for `test`.`t1`
 drop table t1;
 #
+# MDEV-25638 Assertion `!result' failed in convert_const_to_int
+#
+create table t1 (v1 bigint check (v1 not in ('x' , 'x111'))) ;
+Warnings:
+Warning	1292	Truncated incorrect DOUBLE value: 'x'
+Warning	1292	Truncated incorrect DOUBLE value: 'x111'
+select * from t1;
+v1
+Warnings:
+Warning	1292	Truncated incorrect DOUBLE value: 'x'
+Warning	1292	Truncated incorrect DOUBLE value: 'x111'
+select v1 from t1;
+v1
+select * from t1;
+v1
+prepare stmt from "select * from t1";
+execute stmt;
+v1
+execute stmt;
+v1
+flush tables;
+select * from t1;
+v1
+Warnings:
+Warning	1292	Truncated incorrect DOUBLE value: 'x'
+Warning	1292	Truncated incorrect DOUBLE value: 'x111'
+select * from t1;
+v1
+deallocate prepare stmt;
+drop table t1;
+#
 # MDEV-26061 MariaDB server crash at Field::set_default
 #
 create table t1 (v2 date check (v1 like default (v1)), v1 date default (from_days ('x')));

mysql-test/t/check_constraint.test

@@ -177,6 +177,25 @@ select * from t1 where a is null;
 insert t1 (b) values (1);
 drop table t1;
 
+--echo #
+--echo # MDEV-25638 Assertion `!result' failed in convert_const_to_int
+--echo #
+
+--enable_prepare_warnings
+create table t1 (v1 bigint check (v1 not in ('x' , 'x111'))) ;
+select * from t1;
+select v1 from t1;
+select * from t1;
+prepare stmt from "select * from t1";
+execute stmt;
+execute stmt;
+flush tables;
+select * from t1;
+select * from t1;
+deallocate prepare stmt;
+drop table t1;
+--disable_prepare_warnings
+
 --echo #
 --echo # MDEV-26061 MariaDB server crash at Field::set_default
 --echo #

sql/table.cc

@@ -3093,6 +3093,7 @@ enum open_frm_error open_table_from_share(THD *thd, TABLE_SHARE *share,
   outparam->s= share;
   outparam->db_stat= db_stat;
   outparam->write_row_record= NULL;
+  outparam->status= STATUS_NO_RECORD;
 
   if (share->incompatible_version &&
       !(ha_open_flags & (HA_OPEN_FOR_ALTER | HA_OPEN_FOR_REPAIR)))