Fixed Issue with tier price 0 when saving product second time

ravi-chandra3197 · ravi-chandra3197 · commit ffab78e0cb1c · 2019-12-23T14:34:26.000+05:30
diff --git a/app/code/Magento/Catalog/Model/Product/Attribute/Backend/TierPrice/UpdateHandler.php b/app/code/Magento/Catalog/Model/Product/Attribute/Backend/TierPrice/UpdateHandler.php
@@ -129,7 +129,7 @@ private function updateValues(array $valuesToUpdate, array $oldValues): bool
     {
         $isChanged = false;
         foreach ($valuesToUpdate as $key => $value) {
-            if ((!empty($value['value'])
+            if ((($value['value'])!== null
                     && (float)$oldValues[$key]['price'] !== $this->localeFormat->getNumber($value['value'])
                 ) || $this->getPercentage($oldValues[$key]) !== $this->getPercentage($value)
             ) {

Original file line number	Diff line number	Diff line change
`@@ -129,7 +129,7 @@ private function updateValues(array $valuesToUpdate, array $oldValues): bool`
`129`	`129`	`{`
`130`	`130`	`$isChanged = false;`
`131`	`131`	`foreach ($valuesToUpdate as $key => $value) {`
`132`		`- if ((!empty($value['value'])`
	`132`	`+ if ((($value['value'])!== null`
`133`	`133`	`&& (float)$oldValues[$key]['price'] !== $this->localeFormat->getNumber($value['value'])`
`134`	`134`	`) \|\| $this->getPercentage($oldValues[$key]) !== $this->getPercentage($value)`
`135`	`135`	`) {`