Database Media Storage : clearing image cache does not clear cached image files from database

[gwharton]

Preconditions (*)

1. magento 2.3-develop

Steps to reproduce (*)

1. Deploy 2.3-develop

Stores -> Configuration
    Advanced -> System
        Storage Configuration for Media
            Media Storage = Database
            Select Media Database = default_setup
            Synchronize
            Save Config
Catalog -> Products
    Add Product
        Name = Test
        Price = 111
        Images and Videos
            Upload image "a.jpg"
        Save & Close

Verify cached images exist in filesystem

www-data@dev:~/dev1$ find pub/media/catalog/product/cache -name *.jpg
pub/media/catalog/product/cache/6e14adab429f71aeb7223303a247c563/a/_/a.jpg
pub/media/catalog/product/cache/f62d29ead3f33fe6484fbdb6d3785dc1/a/_/a.jpg
pub/media/catalog/product/cache/be852cb44d0b54faab62ffaae6be8535/a/_/a.jpg
pub/media/catalog/product/cache/cec7ecf00f20929af760713af4400fed/a/_/a.jpg
pub/media/catalog/product/cache/37bfafdfb226dffa175577a00672b1ba/a/_/a.jpg
pub/media/catalog/product/cache/8b2dc6afd39ee28ff58514eb10993c8f/a/_/a.jpg
pub/media/catalog/product/cache/d975e82a925000253a32e9c4541ea68c/a/_/a.jpg
pub/media/catalog/product/cache/09c5a17c8da4235f70a8c07e75bb5ef0/a/_/a.jpg
pub/media/catalog/product/cache/9fda6c6842c3f655bbb560bcbe7ed6d5/a/_/a.jpg
pub/media/catalog/product/cache/d5f386a768d7e7f87cc4fb8a6c1ef14f/a/_/a.jpg
pub/media/catalog/product/cache/52952a29dad7e0f0b516b44cc9fe0760/a/_/a.jpg
pub/media/catalog/product/cache/06dfa18d55e0337076e1f5ddd2129562/a/_/a.jpg
pub/media/catalog/product/cache/faa05d146573dd135d15c4c56517ffdb/a/_/a.jpg
pub/media/catalog/product/cache/3ced2c8980660288e4ea38fe4970b4e9/a/_/a.jpg
pub/media/catalog/product/cache/2bdb51d37a492679108b7c6c17f34e97/a/_/a.jpg
pub/media/catalog/product/cache/4ed1686d54d03efa60ce0fb8e68e54e9/a/_/a.jpg
pub/media/catalog/product/cache/ee5242f5f0a2a47237a7610f0274bc15/a/_/a.jpg
pub/media/catalog/product/cache/8f18f3a902701264b776ead80189598e/a/_/a.jpg
pub/media/catalog/product/cache/39fe0b11cb432d7c2d562e3c5b5d5f43/a/_/a.jpg
pub/media/catalog/product/cache/34c2321368257a27e78b60f1cf77ce60/a/_/a.jpg
www-data@dev:~/dev1$

Verify cached images exist in database

mysql> mysql> select filename,directory from media_storage_file_storage where directory LIKE 'catalog/product/cache%';
+----------+------------------------------------------------------------+
| filename | directory                                                  |
+----------+------------------------------------------------------------+
| a.jpg    | catalog/product/cache/9fda6c6842c3f655bbb560bcbe7ed6d5/a/_ |
| a.jpg    | catalog/product/cache/f62d29ead3f33fe6484fbdb6d3785dc1/a/_ |
| a.jpg    | catalog/product/cache/d5f386a768d7e7f87cc4fb8a6c1ef14f/a/_ |
| a.jpg    | catalog/product/cache/52952a29dad7e0f0b516b44cc9fe0760/a/_ |
| a.jpg    | catalog/product/cache/ee5242f5f0a2a47237a7610f0274bc15/a/_ |
| a.jpg    | catalog/product/cache/cec7ecf00f20929af760713af4400fed/a/_ |
| a.jpg    | catalog/product/cache/09c5a17c8da4235f70a8c07e75bb5ef0/a/_ |
| a.jpg    | catalog/product/cache/39fe0b11cb432d7c2d562e3c5b5d5f43/a/_ |
| a.jpg    | catalog/product/cache/3ced2c8980660288e4ea38fe4970b4e9/a/_ |
| a.jpg    | catalog/product/cache/8f18f3a902701264b776ead80189598e/a/_ |
| a.jpg    | catalog/product/cache/06dfa18d55e0337076e1f5ddd2129562/a/_ |
| a.jpg    | catalog/product/cache/34c2321368257a27e78b60f1cf77ce60/a/_ |
| a.jpg    | catalog/product/cache/37bfafdfb226dffa175577a00672b1ba/a/_ |
| a.jpg    | catalog/product/cache/be852cb44d0b54faab62ffaae6be8535/a/_ |
| a.jpg    | catalog/product/cache/4ed1686d54d03efa60ce0fb8e68e54e9/a/_ |
| a.jpg    | catalog/product/cache/2bdb51d37a492679108b7c6c17f34e97/a/_ |
| a.jpg    | catalog/product/cache/d975e82a925000253a32e9c4541ea68c/a/_ |
| a.jpg    | catalog/product/cache/6e14adab429f71aeb7223303a247c563/a/_ |
| a.jpg    | catalog/product/cache/faa05d146573dd135d15c4c56517ffdb/a/_ |
| a.jpg    | catalog/product/cache/8b2dc6afd39ee28ff58514eb10993c8f/a/_ |
+----------+------------------------------------------------------------+
20 rows in set (0.00 sec)

mysql>

System -> Cache Management
    Flush Catalog Images Cache

Verify cached images no longer exist in filesystem

www-data@dev:~/dev1$ find pub/media/catalog/product/cache -name *.jpg
find: ‘pub/media/catalog/product/cache’: No such file or directory
www-data@dev:~/dev1$

Verify cached images no longer exist in database

mysql> select filename,directory from media_storage_file_storage where directory LIKE 'catalog/product/cache%';
+----------+------------------------------------------------------------+
| filename | directory                                                  |
+----------+------------------------------------------------------------+
| a.jpg    | catalog/product/cache/9fda6c6842c3f655bbb560bcbe7ed6d5/a/_ |
| a.jpg    | catalog/product/cache/f62d29ead3f33fe6484fbdb6d3785dc1/a/_ |
| a.jpg    | catalog/product/cache/d5f386a768d7e7f87cc4fb8a6c1ef14f/a/_ |
| a.jpg    | catalog/product/cache/52952a29dad7e0f0b516b44cc9fe0760/a/_ |
| a.jpg    | catalog/product/cache/ee5242f5f0a2a47237a7610f0274bc15/a/_ |
| a.jpg    | catalog/product/cache/cec7ecf00f20929af760713af4400fed/a/_ |
| a.jpg    | catalog/product/cache/09c5a17c8da4235f70a8c07e75bb5ef0/a/_ |
| a.jpg    | catalog/product/cache/39fe0b11cb432d7c2d562e3c5b5d5f43/a/_ |
| a.jpg    | catalog/product/cache/3ced2c8980660288e4ea38fe4970b4e9/a/_ |
| a.jpg    | catalog/product/cache/8f18f3a902701264b776ead80189598e/a/_ |
| a.jpg    | catalog/product/cache/06dfa18d55e0337076e1f5ddd2129562/a/_ |
| a.jpg    | catalog/product/cache/34c2321368257a27e78b60f1cf77ce60/a/_ |
| a.jpg    | catalog/product/cache/37bfafdfb226dffa175577a00672b1ba/a/_ |
| a.jpg    | catalog/product/cache/be852cb44d0b54faab62ffaae6be8535/a/_ |
| a.jpg    | catalog/product/cache/4ed1686d54d03efa60ce0fb8e68e54e9/a/_ |
| a.jpg    | catalog/product/cache/2bdb51d37a492679108b7c6c17f34e97/a/_ |
| a.jpg    | catalog/product/cache/d975e82a925000253a32e9c4541ea68c/a/_ |
| a.jpg    | catalog/product/cache/6e14adab429f71aeb7223303a247c563/a/_ |
| a.jpg    | catalog/product/cache/faa05d146573dd135d15c4c56517ffdb/a/_ |
| a.jpg    | catalog/product/cache/8b2dc6afd39ee28ff58514eb10993c8f/a/_ |
+----------+------------------------------------------------------------+
20 rows in set (0.00 sec)

mysql>

Expected result (*)

1. When the image cache is cleared, all cached images are removed from filesystem and database

Actual result (*)

1. Cached images are removed from filesystem only. They remain in the database.

[m2-assistant]

Hi @gwharton. Thank you for your report.
To help us process this issue please make sure that you provided the following information:

• Summary of the issue
• Information on your environment
• Steps to reproduce
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Please make sure that the issue is reproducible on the vanilla Magento instance following Steps to reproduce. To deploy vanilla Magento instance on our environment, please, add a comment to the issue:

@magento give me 2.3-develop instance - upcoming 2.3.x release

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@gwharton do you confirm that you were able to reproduce the issue on vanilla Magento instance following steps to reproduce?

• yes
• no

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[m2-assistant]

Hi @engcom-Charlie. Thank you for working on this issue.
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[magento-engcom-team]

✅ Confirmed by @engcom-Charlie
Thank you for verifying the issue. Based on the provided information internal tickets MC-18735 were created

Issue Available: @engcom-Charlie, You will be automatically unassigned. Contributors/Maintainers can claim this issue to continue. To reclaim and continue work, reassign the ticket to yourself.

[m2-assistant]

Hi @gwharton. Thank you for working on this issue.
Looks like this issue is already verified and confirmed. But if you want to validate it one more time, please, go though the following instruction:

• 1. Add/Edit Component: XXXXX label(s) to the ticket, indicating the components it may be related to.

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  Details

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