how to “brute insert” categories into wp database?

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I know it may not be a good practice but I need a way to insert a category for my post using INSERT, the problem is I cannot understand how categories and the relation with post work in the database.

I have created a script that gives me the complete SQL for inserting posts (and all the information for every post I need) without problems. But for categories seems like I need to modify 3 tables at the same time.

Does anyone can explain to me how a category is inserted and related to a post in the wp database scheme? Or any article about it will help me as well.

I have like 60k posts that need to relate to about 2k categories.

Thank you.

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1 Comment
  1. WordPress has functions for creating categories and inserting posts so you don’t have to write SQL queries.

    https://developer.wordpress.org/reference/functions/wp_insert_category/
    https://developer.wordpress.org/reference/functions/wp_insert_term/
    https://developer.wordpress.org/reference/functions/wp_insert_post/

    Alternatively if you want to continue on your route, https://codex.wordpress.org/Database_Description ought to give more insight in the tables and structure.

 

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