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[Forwardport] Fixed comparison with 0 bug for TableRate shipping carrier#14772

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magento-engcom-team merged 1 commit intomagento:2.3-developfrom
namlier:2.3-develop-PR-port-13831
Apr 23, 2018
Merged

[Forwardport] Fixed comparison with 0 bug for TableRate shipping carrier#14772
magento-engcom-team merged 1 commit intomagento:2.3-developfrom
namlier:2.3-develop-PR-port-13831

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@namlier
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@namlier namlier commented Apr 19, 2018

Original Pull Request

#13831

Description

In free shipping flow sometimes you can get such query to DB:

SQL: SELECT `shipping_tablerate`.* FROM `shipping_tablerate` WHERE ...
BIND: array (
':website_id' => 1,
':country_id' => 'US',
':region_id' => 12,
':postcode' => '68138',
':condition_name' => 'package_value',
':condition_value' => -3.5527136788005009E-15,
)
AFF: 0

It leads to disabled TabelRate shipping method. Such value is calculated in Magento\OfflineShipping\Model\Carrier\Tablerate::collectRates(). Smth like:

29.95 - 10 - 19 - .95 = -3.5527136788005009E-15

and normally should be rounded before comparison. See http://php.net/manual/en/language.types.float.php

Manual testing scenarios

  1. Setup free shipping rule with Subtotal >= 25.
  2. Setup TableRate shippign method.
  3. Add products to cart.
  4. Apply free shipping coupon.
  5. TableRate shippign method disappears.

In free shipping flow sometimes you ca get such query to DB:
SQL: SELECT `shipping_tablerate`.* FROM `shipping_tablerate` WHERE ...
BIND: array (
':website_id' => 1,
':country_id' => 'US',
':region_id' => 12,
':postcode' => '68138',
':condition_name' => 'package_value',
':condition_value' => -3.5527136788005009E-15,
)
AFF: 0

It leads to disabled TabelRate shipping method. Such value is calculated in Magento\OfflineShipping\Model\Carrier\Tablerate::collectRates(). Smth like:
  29.95 - 10 - 19 - .95 = -3.5527136788005009E-15
and normally should be rounded before comparison. See http://php.net/manual/en/language.types.float.php
@magento-engcom-team
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Hi @mastiuhin-olexandr. Thank you for your contribution.
Changes from your Pull Request will be available with the upcoming 2.3.0 release.

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3 participants