Custom Table: Taxonomy field och Taxonomy Advanced field? - Meta Box

This topic has 4 replies, 2 voices, and was last updated 11 months, 1 week ago by Bellul.

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October 27, 2021 at 8:45 PM #31550

Resolved Bellul
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Hi!

I have created a custom post type and three custom taxonomies. I am no going to create a new field group.

I have several text fields etc, but I am also thinking to use three multiple choice fields for the three custom taxonomies. Should I choose Taxonomy field och Taxonomy Advanced field? Does my choice have anything to do with my custom table?

Where are these fields data saved, if I choose the first or the second type? Do any of these two fields save the data in the custom table? In your documenmtation you say about Taxonomy field that "This field does not save any value in the database"?? Where is it saved? About the Taxonomy Advanced field you say: "store terms’ IDs in the post meta and doesn’t set post terms". I don't understand these two explanations. Can you further explain this and especially how they relates to custom tables (is anything saved there?)?
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October 28, 2021 at 9:24 AM #31565

Long Nguyen
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Hi,

The field taxonomy sets the post terms, the value is saved to the table wp_terms in the database.
The field taxonomy_advanced sets the post meta, the value is saved to the table wp_postmeta in the database.
You can see more tables of WordPress here https://codex.wordpress.org/Database_Description

So if you use the custom table to store field value, you should use the field taxonomy_advanced.

October 28, 2021 at 11:23 AM #31569

Bellul
Participant

Thanks!

But if I use taxonomy_advanced, the data is still not saved in my custom table (but in wp_postmeta)?

If I tick the option "Create table automatically" in "Edit Field Group", all fields will be TEXT. Can I then afterwards just use a database tool to change column types?

October 28, 2021 at 9:01 PM #31593

Long Nguyen
Moderator

Hi,

If you use the field taxonomy_advanced, the field value is saved to the custom table as other fields. Please read more on the documentation https://docs.metabox.io/extensions/mb-custom-table/

The data type TEXT can be used for most cases. If you want to change the data type later, you can access your database and change it or contact your hosting support to ask to change the data type. Please read more here https://www.w3schools.com/sql/sql_datatypes.asp

October 28, 2021 at 9:29 PM #31595

Bellul
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Thanks for clarifications!!
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