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This is very similar to question 653714, but for MySQL instead of SQL Server.

Basically, I have a complicated select that is the basis for several stored procedures. I would like to share the code across the stored procedures, however, I'm not sure how to do this. One way I could do this is by making the shared select a stored procedure and then calling that stored procedure from the other ones. I can't figure out how to work with the result set of the nested stored procedure. If I could put them in a temp table I could use the results effectively, but I can't figure out how to get them in a temp table. For example, this does not work:

CREATE TEMPORARY TABLE tmp EXEC nested_sp();

Answers

The problem is, Stored Procedures don't really return output directly. They can execute select statements inside the script, but have no return value.

MySQL calls stored procedures via CALL StoredProcedureName(); And you cannot direct that output to anything, as they don't return anything (unlike a function).

MySQL Call Command