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--------------
CREATE FUNCTION metaphon RETURNS STRING SONAME "udf_example.so"
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Query OK, 0 rows affected
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CREATE FUNCTION myfunc_double RETURNS REAL SONAME "udf_example.so"
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Query OK, 0 rows affected
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CREATE FUNCTION myfunc_int RETURNS INTEGER SONAME "udf_example.so"
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Query OK, 0 rows affected
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CREATE FUNCTION lookup RETURNS STRING SONAME "udf_example.so"
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Query OK, 0 rows affected
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CREATE FUNCTION reverse_lookup RETURNS STRING SONAME "udf_example.so"
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Query OK, 0 rows affected
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CREATE AGGREGATE FUNCTION avgcost RETURNS REAL SONAME "udf_example.so"
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Query OK, 0 rows affected
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select metaphon("hello")
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metaphon("hello")
HL
1 row in set
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select myfunc_double("hello","world")
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myfunc_double("hello","world")
108.40
1 row in set
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select myfunc_int(1,2,3),myfunc_int("1","11","111")
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myfunc_int(1,2,3) myfunc_int("1","11","111")
6 6
1 row in set
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select lookup("localhost")
--------------
lookup("localhost")
127.0.0.1
1 row in set
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select reverse_lookup("127.0.0.1")
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reverse_lookup("127.0.0.1")
localhost
1 row in set
--------------
create temporary table t1 (a int,b double)
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Query OK, 0 rows affected
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insert into t1 values (1,5),(1,4),(2,8),(3,9),(4,11)
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Query OK, 5 rows affected
Records: 0 Duplicates: 5 Warnings: 0
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select avgcost(a,b) from t1
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avgcost(a,b)
8.7273
1 row in set
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select avgcost(a,b) from t1 group by a
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avgcost(a,b)
4.5000
8.0000
9.0000
11.0000
4 rows in set
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drop table t1
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Query OK, 0 rows affected
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DROP FUNCTION metaphon
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Query OK, 0 rows affected
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DROP FUNCTION myfunc_double
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Query OK, 0 rows affected
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DROP FUNCTION myfunc_int
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Query OK, 0 rows affected
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DROP FUNCTION lookup
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Query OK, 0 rows affected
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DROP FUNCTION reverse_lookup
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Query OK, 0 rows affected
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DROP FUNCTION avgcost
--------------
Query OK, 0 rows affected
Bye
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