Hello list (first email here, hopefully sending it to the right address),
I have been trying to solve this problem for a while now, and I am stuck. I 
wonder if what I am trying to do is even possible.

I am implementing a new storage engine which handles engine condition pushdown. 
Now, when MariaDB is working on a JOIN using more than one table (for 
simplicity, let's assume 2), how can I access the read records for table 1 when 
working on a condition pushdown for table 2? When joining like this: 
table1.field1 = table2.field1, I can see 2 Item objects of type FIELD in the 
condition. However, I can't find where the read records for table1 are so I can 
effectively filter records in table2 by those values.

Thanks a lot for your help,




[A close up of a sign  Description automatically generated]

Eduardo Berrocal García de Carellán
Senior Software Engineer


Intel Corporation  |  intel.com<http://intel.com/>


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