MDEV-10654 add support IN, OUT, INOUT parameter qualifiers for stored functions

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Problem: Currently stored function does not support IN/OUT/INOUT parameter qualifiers.
This is needed for Oracle compatibility (sql_mode = ORACLE).

Solution: Implemented parameter qualifier support to CREATE FUNCTION (reference: CREATE PROCEDURE)
Implemented return by reference for OUT/INOUT parameters in execute_function() (reference: execute_procedure())

Files changed:
sql/sql_yacc.yy: Added IN, OUT, INOUT parameter qualifiers for CREATE FUNCTION.
sql/sp_head.cc: Added input and output parameter binding for IN/OUT/INOUT parameters in execute_function() so that OUT/INOUT can return by reference.
sql/share/errmsg-utf8.txt: Added error message to restrict OUT/INOUT parameters while function being called from SQL query.
mysql-test/suite/compat/oracle/t/sp-inout.test: Added test cases
mysql-test/suite/compat/oracle/r/sp-inout.result: Added test results

Reviewed-by: iqbal@hasprime.com

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This commit is contained in:

ManoharKB

2021-09-25 22:20:22 +05:30

committed by Alexander Barkov

parent 5595ed9d9f

commit 4572dc23f7

6 changed files with 5250 additions and 91 deletions

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mysql-test/suite/compat/oracle/t/sp-inout.test Normal file

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