File: udf_old.test

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# This test serves as rough measurement of performance of old UDF creation to ne registration
# of UDFs. The other test, being functional equivalent to this is "udf_reg_3 funcs".
# Run both tests with "mtr --repeat=9 --suite=service_udf_registration udf udf_reg_3_func".
# Then compare the run time. Register/unregister must not be slower in average than old style.
# Functional equivalence:
# - Create/register 3 UDFS
# - Use them in exactly same way in both tests
# - DROP/unregister 3 UDFs.
# - Verify, that they are not more available.
# - Create/register them again.
# - Use myfunc_int and myfunc_double.
# - Drop/unregister myfunc_int.
# - Use myfunc_int and myfunc_double (int must fail).
# - Drop/unregister UDFs.

--source include/have_udf.inc

--disable_warnings
drop table if exists t1;
--enable_warnings

# Create 3 UDFS
--replace_result $UDF_EXAMPLE_LIB UDF_EXAMPLE_LIB
eval CREATE FUNCTION myfunc_double RETURNS REAL SONAME "$UDF_EXAMPLE_LIB";
--replace_result $UDF_EXAMPLE_LIB UDF_EXAMPLE_LIB
eval CREATE FUNCTION myfunc_int RETURNS INTEGER SONAME "$UDF_EXAMPLE_LIB";
--replace_result $UDF_EXAMPLE_LIB UDF_EXAMPLE_LIB
eval CREATE AGGREGATE FUNCTION avgcost RETURNS REAL SONAME "$UDF_EXAMPLE_LIB";

# Use UDFs in exactly same way in both tests
--error ER_CANT_INITIALIZE_UDF
SELECT myfunc_double();
SELECT myfunc_double(1);
SELECT myfunc_double(78654);
SELECT myfunc_int();
SELECT myfunc_int(5);
SELECT myfunc_int('MySQL V8.0');

CREATE TABLE t1(a INT, b INT);
INSERT INTO t1 values (1,1),(2,2);
SELECT myfunc_int(a AS attr_name) FROM t1;
DROP TABLE t1;

CREATE TABLE t1(sum int, price float(24));
INSERT INTO t1 VALUES(100, 50.00), (100, 100.00);
SELECT avgcost(sum, price) from t1;
DELETE from t1;
INSERT INTO t1 VALUES(100, 54.33), (200, 199.99);
SELECT avgcost(sum, price) from t1;
DROP TABLE t1;

# DROP 3 UDFs.
DROP FUNCTION myfunc_double;
DROP FUNCTION myfunc_int;
DROP FUNCTION avgcost;

# Verify, that they are not more available.
--error ER_SP_DOES_NOT_EXIST
SELECT myfunc_double(1);
--error ER_SP_DOES_NOT_EXIST
SELECT myfunc_int(1);

# Create them again.
--replace_result $UDF_EXAMPLE_LIB UDF_EXAMPLE_LIB
eval CREATE FUNCTION myfunc_double RETURNS REAL SONAME "$UDF_EXAMPLE_LIB";
--replace_result $UDF_EXAMPLE_LIB UDF_EXAMPLE_LIB
eval CREATE FUNCTION myfunc_int RETURNS INTEGER SONAME "$UDF_EXAMPLE_LIB";
--replace_result $UDF_EXAMPLE_LIB UDF_EXAMPLE_LIB
eval CREATE AGGREGATE FUNCTION avgcost RETURNS REAL SONAME "$UDF_EXAMPLE_LIB";

# Use myfunc_int and myfunc_double.
SELECT myfunc_double(78654);
SELECT myfunc_int(5);

# Drop myfunc_int.
DROP FUNCTION myfunc_int;

# Use myfunc_int and myfunc_double (int must fail).
SELECT myfunc_double(78654);
--error ER_SP_DOES_NOT_EXIST
SELECT myfunc_int(5);

# Drop UDFs.
DROP FUNCTION myfunc_double;
DROP FUNCTION avgcost;