Invoice for products that use qty decimal rounds down to whole number

[ralbin]

This is a new issue in Magento 2.2.0. This feature works as expected in all previous versions. Use check/money order for payment. When trying to invoice an order that has products with quantity decimals, the invoice rounds down to the nearest whole number. Example, ordered 6.5 of a product but the invoice uses 6. The ultimate reason this is not working is in the table sales_order_item column is_qty_decimal is not being set to 1.

Preconditions

1. Magento ver. 2.2.0
2. PHP 7.0.24
3. MySQL 5.7

Steps to reproduce

1. Create a virtual product
2. In Advanced Inventory Qty Uses Decimals = Yes
3. In Advanced Inventory Manage Stock = No
4. In the admin create an order using the new product and pay with check/money order
5. Purchase a quantity of 6.5 of the product and complete the order
6. Start to create the invoice look at the QTY invoiced it will be rounded down to 6
7. If you set the flag $_canCapturePartial you are able to edit the field, however it resets back to 6
8. Look at the database table sales_order_item and notice that the column is_qty_decimal is set to 0.

Expected result

1. Invoice should automatically use the QTY ordered such as 6.5
2. Ability to edit of a quantity similar to 5.5
3. Button to update the invoice to show the changes if modified from the original
4. Review the database table sales_order_item and column is_qty_decimal = 1

Actual result

1. Quantity is rounded down to the nearest whole number and unable to edit the qty to be invoiced
2. Inspecting the database sales_order_item I noticed that is_qty_decimal was set to 0, changing that to 1 made the invoice show 6.5 for the quantity.
3. Ability to edit a check/money order quantity should be available by default, rather than having to do a new module that sets the flag $_canCapturePartial = true;

[magento-engcom-team]

@ralbin, thank you for your report.
We've created internal ticket(s) MAGETWO-83167 to track progress on the issue.

[okorshenko]

Fixed in 2.2-develop

[magento-engcom-team]

Hi @ralbin. Thank you for your report.
The issue has been fixed in magento-engcom/magento2ce#1289 by @magento-engcom-team in 2.3-develop branch
Related commit(s):

• b415941
• 7369261
• dce1c66
• 95ed67e
• 05fcdd1
• 8b1a297
• 90addb7
• d5c9eef
• 6ec6271
• f0af87e
• 2497062
• 1f7347f
• 0d151c4
• 07982fd
• 617da6c
• 39ed21f
• 9aa036d
• fda37ef
• 47b1091
• ef6bada
• 809ec05

The fix will be available with the upcoming patch release.