Cannot read properties of undefined (reading 'includes')

[rlisac]

Bug report

Required System information

• Node.js version: 16.13.2
• NPM version: 8.1.2
• Source Strapi version: 3.6.8
• Target Strapi version: 4.3.8
• Source Database: mysql
• Target Database: mysql
• Operating system: OSX
• Which script are you running: v3-sql-v4-sql

Describe the bug

When running the script, the script aborts with the following error:
const v3RelationTables = tables.filter((t) => t.includes("__"));
TypeError: Cannot read properties of undefined (reading 'includes')

Steps to reproduce the behavior

1. Go to 'nvm use 16'
2. Run $ yarn
3. Run $ yarn start
4. See error

Screenshots

Code snippets

const v3RelationTables = tables.filter((t) => t.includes("__"));

Additional context

Before starting the script, I had to adjust certain columns in the table to be compliant with the snake_case.

[jpizzati-uvl]

I'm experiencing the same issue, apparently some tables are showing up as "undefined", which causes the the migration script to stop.

System information

• Node.js version: 14.20.1
• NPM version: 6.14.17
• Source Strapi version: 3.6.8
• Target Strapi version: 4.3.8
• Source Database: mysql
• Target Database: mysql
• Operating system: OSX
• Which script are you running: v3-sql-v4-sql

[jpizzati-uvl]

It appear that this is a case issue. I was able to resolve this by renaming all instances of "table_name" to "TABLE_NAME", (3) in total and found in:

• index.js
• migrateComponents.js
• relationHelpers.js

[martincapek]

Hi, what version of mysql (mariadb) are you using? I'm not able to reproduce this error. In the meantime I created fix in way you proposed viz #55

[jpizzati-uvl]

I'm on version 2.18.1 (npm)

[martincapek]

And the database itself? Im using mariadb:10.5.8

[jpizzati-uvl]

mysql 8.0.28

[martincapek]

Okey, I will test it also on that, thanks!