#
# Some simple test of load data
#

--disable_warnings
drop table if exists t1, t2;
--enable_warnings

create table t1 (a date, b date, c date not null, d date);
load data infile '../../std_data/loaddata1.dat' into table t1 fields terminated by ',';
load data infile '../../std_data/loaddata1.dat' into table t1 fields terminated by ',' IGNORE 2 LINES;
SELECT * from t1;
truncate table t1;

load data infile '../../std_data/loaddata1.dat' into table t1 fields terminated by ',' LINES STARTING BY ',' (b,c,d);
SELECT * from t1;
drop table t1;

create table t1 (a text, b text);
load data infile '../../std_data/loaddata2.dat' into table t1 fields terminated by ',' enclosed by '''';
select concat('|',a,'|'), concat('|',b,'|') from t1;
drop table t1;

create table t1 (a int, b char(10));
load data infile '../../std_data/loaddata3.dat' into table t1 fields terminated by '' enclosed by '' ignore 1 lines;
select * from t1;
truncate table t1;
load data infile '../../std_data/loaddata4.dat' into table t1 fields terminated by '' enclosed by '' lines terminated by '' ignore 1 lines;

# The empty line last comes from the end line field in the file
select * from t1;
drop table t1;

#
# Let us test extended LOAD DATA features
#
create table t1 (a int default 100, b int, c varchar(60));
# we can do something like this
load data infile '../../std_data/rpl_loaddata.dat' into table t1 (a, @b) set b=@b+10, c=concat("b=",@b);
select * from t1;
truncate table t1;
# we can use filled fields in expressions 
# we also assigning NULL value to field with non-NULL default here
load data infile '../../std_data/rpl_loaddata.dat' into table t1 (a, @b) set c= if(a is null,"oops",a);
select * from t1;
truncate table t1;
# we even can use variables in set clause, and missed columns will be set
# with default values
set @c:=123;
load data infile '../../std_data/rpl_loaddata.dat' into table t1 (@a, b) set c= if(@a is null,@c,b);
select * from t1;
# let us test side-effect of such load
load data infile '../../std_data/rpl_loaddata.dat' into table t1 (@a, @b);
select * from t1;
select @a, @b;
truncate table t1;
# now going to test fixed field-row file format
load data infile '../../std_data/loaddata5.dat' into table t1 fields terminated by '' enclosed by '' (a, b) set c="Wow";
select * from t1;
truncate table t1;
# this also should work
load data infile '../../std_data/loaddata5.dat' into table t1 fields terminated by '' enclosed by '' (a, b) set c=concat(a,"+",b,"+",@c,"+",b,"+",if(c is null,"NIL",c));
select * from t1;
# and this should bark
--error 1409 
load data infile '../../std_data/loaddata5.dat' into table t1 fields terminated by '' enclosed by '' (a, @b);

# Now let us test LOAD DATA with subselect
create table t2 (num int primary key, str varchar(10));
insert into t2 values (10,'Ten'), (15,'Fifteen');
truncate table t1;
load data infile '../../std_data/rpl_loaddata.dat' into table t1 (@dummy,@n) set a= @n, c= (select str from t2 where num=@n);
select * from t1;

# cleanup
drop table t1, t2;