insert 'null' into 'datetime2(7)' column (or other date/time types), fetches data as empty string instead of null

[wread]

insert 'null' insto 'datetime2(7)' column, fetches data as empty string instead of null

Test log:

CREATE TABLE types_table (id int identity, col2 datetime2(7))
INSERT INTO types_table (col2) VALUES (null)
INSERT INTO types_table (col2) VALUES ('2001-04-10 10:12:59.1234567')
SELECT * FROM types_table ORDER BY id

Expected:
{ meta:
[ { name: 'id', size: 10, nullable: false, type: 'number' },
{ name: 'col2', size: 26, nullable: true, type: 'binary' } ],
rows: [ [ 1, null ], [ 2, '2001-04-10 10:12:59.1234567' ] ] }

Received:
{ meta:
[ { name: 'id', size: 10, nullable: false, type: 'number' },
{ name: 'col2', size: 27, nullable: true, type: 'binary' } ],
rows: [ [ 1, '' ], [ 2, '2001-04-10 10:12:59.1234567' ] ] }

[jkint]

Fixed in commit afcaf3a