udf_test.res
上传用户:romrleung
上传日期:2022-05-23
资源大小:18897k
文件大小:2k
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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")
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- 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
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- 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
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- Query OK, 0 rows affected
- Bye