157
156
set @first_var= cast(NULL as integer);
158
157
#create table t1 select @first_var;
164
162
create table t1 select @first_var;
168
165
set @first_var= concat(NULL);
169
166
create table t1 select @first_var;
174
170
set @first_var= cast(NULL as CHAR);
175
171
create table t1 select @first_var;