mirror of
https://github.com/MariaDB/server.git
synced 2025-11-03 14:33:32 +03:00
315 lines
9.9 KiB
Plaintext
315 lines
9.9 KiB
Plaintext
drop table if exists t1;
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CREATE FUNCTION metaphon RETURNS STRING SONAME "UDF_EXAMPLE_LIB";
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CREATE FUNCTION myfunc_double RETURNS REAL SONAME "UDF_EXAMPLE_LIB";
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CREATE FUNCTION myfunc_nonexist RETURNS INTEGER SONAME "UDF_EXAMPLE_LIB";
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ERROR HY000: Can't find symbol 'myfunc_nonexist' in library
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CREATE FUNCTION myfunc_int RETURNS INTEGER SONAME "UDF_EXAMPLE_LIB";
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CREATE FUNCTION sequence RETURNS INTEGER SONAME "UDF_EXAMPLE_LIB";
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CREATE FUNCTION lookup RETURNS STRING SONAME "UDF_EXAMPLE_LIB";
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CREATE FUNCTION reverse_lookup
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RETURNS STRING SONAME "UDF_EXAMPLE_LIB";
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CREATE AGGREGATE FUNCTION avgcost
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RETURNS REAL SONAME "UDF_EXAMPLE_LIB";
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select myfunc_double();
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ERROR HY000: myfunc_double must have at least one argument
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select myfunc_double(1);
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myfunc_double(1)
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49.00
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select myfunc_double(78654);
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myfunc_double(78654)
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54.00
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select myfunc_nonexist();
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ERROR 42000: FUNCTION test.myfunc_nonexist does not exist
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select myfunc_int();
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myfunc_int()
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0
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select lookup();
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ERROR HY000: Wrong arguments to lookup; Use the source
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select lookup("127.0.0.1");
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lookup("127.0.0.1")
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127.0.0.1
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select lookup(127,0,0,1);
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ERROR HY000: Wrong arguments to lookup; Use the source
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select lookup("localhost");
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lookup("localhost")
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127.0.0.1
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select reverse_lookup();
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ERROR HY000: Wrong number of arguments to reverse_lookup; Use the source
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select reverse_lookup("127.0.0.1");
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select reverse_lookup(127,0,0,1);
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select reverse_lookup("localhost");
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reverse_lookup("localhost")
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NULL
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select avgcost();
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ERROR HY000: wrong number of arguments: AVGCOST() requires two arguments
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select avgcost(100,23.76);
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ERROR HY000: wrong argument type: AVGCOST() requires an INT and a REAL
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create table t1(sum int, price float(24));
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insert into t1 values(100, 50.00), (100, 100.00);
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select avgcost(sum, price) from t1;
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avgcost(sum, price)
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75.0000
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delete from t1;
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insert into t1 values(100, 54.33), (200, 199.99);
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select avgcost(sum, price) from t1;
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avgcost(sum, price)
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151.4367
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drop table t1;
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select metaphon('hello');
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metaphon('hello')
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HL
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CREATE PROCEDURE `XXX1`(in testval varchar(10))
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begin
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select metaphon(testval);
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end//
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call XXX1('hello');
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metaphon(testval)
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HL
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drop procedure xxx1;
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CREATE PROCEDURE `XXX2`()
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begin
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declare testval varchar(10);
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set testval = 'hello';
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select metaphon(testval);
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end//
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call XXX2();
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metaphon(testval)
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HL
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drop procedure xxx2;
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CREATE TABLE bug19904(n INT, v varchar(10));
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INSERT INTO bug19904 VALUES (1,'one'),(2,'two'),(NULL,NULL),(3,'three'),(4,'four');
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SELECT myfunc_double(n) AS f FROM bug19904;
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f
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49.00
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50.00
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NULL
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51.00
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52.00
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SELECT metaphon(v) AS f FROM bug19904;
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f
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ON
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TW
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NULL
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0R
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FR
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DROP TABLE bug19904;
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CREATE DEFINER=CURRENT_USER() FUNCTION should_not_parse
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RETURNS STRING SONAME "should_not_parse.so";
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ERROR HY000: Incorrect usage of SONAME and DEFINER
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CREATE DEFINER=someone@somewhere FUNCTION should_not_parse
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RETURNS STRING SONAME "should_not_parse.so";
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ERROR HY000: Incorrect usage of SONAME and DEFINER
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create table t1(f1 int);
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insert into t1 values(1),(2);
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explain select myfunc_int(f1) from t1 order by 1;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using temporary; Using filesort
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drop table t1;
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CREATE TABLE t1(a INT, b INT);
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INSERT INTO t1 values (1,1),(2,2);
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CREATE FUNCTION fn(a int) RETURNS int DETERMINISTIC
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BEGIN
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RETURN a;
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END
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||
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CREATE VIEW v1 AS SELECT a, fn(MIN(b)) as c FROM t1 GROUP BY a;
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SELECT myfunc_int(a AS attr_name) FROM t1;
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myfunc_int(a AS attr_name)
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1
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2
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EXPLAIN EXTENDED SELECT myfunc_int(a AS attr_name) FROM t1;
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00
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Warnings:
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Note 1003 select myfunc_int(`test`.`t1`.`a` AS `attr_name`) AS `myfunc_int(a AS attr_name)` from `test`.`t1`
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EXPLAIN EXTENDED SELECT myfunc_int(a) FROM t1;
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00
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Warnings:
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Note 1003 select myfunc_int(`test`.`t1`.`a` AS `a`) AS `myfunc_int(a)` from `test`.`t1`
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SELECT a,c FROM v1;
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a c
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1 1
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2 2
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SELECT a, fn(MIN(b) xx) as c FROM t1 GROUP BY a;
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ERROR 42000: Incorrect parameters in the call to stored function 'fn'
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SELECT myfunc_int(fn(MIN(b) xx)) as c FROM t1 GROUP BY a;
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ERROR 42000: Incorrect parameters in the call to stored function 'fn'
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SELECT myfunc_int(test.fn(MIN(b) xx)) as c FROM t1 GROUP BY a;
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ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'xx)) as c FROM t1 GROUP BY a' at line 1
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SELECT myfunc_int(fn(MIN(b)) xx) as c FROM t1 GROUP BY a;
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c
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1
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2
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SELECT myfunc_int(test.fn(MIN(b)) xx) as c FROM t1 GROUP BY a;
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c
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1
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2
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EXPLAIN EXTENDED SELECT myfunc_int(MIN(b) xx) as c FROM t1 GROUP BY a;
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort
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Warnings:
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Note 1003 select myfunc_int(min(`test`.`t1`.`b`) AS `xx`) AS `c` from `test`.`t1` group by `test`.`t1`.`a`
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EXPLAIN EXTENDED SELECT test.fn(MIN(b)) as c FROM t1 GROUP BY a;
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort
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Warnings:
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Note 1003 select `test`.`fn`(min(`test`.`t1`.`b`)) AS `c` from `test`.`t1` group by `test`.`t1`.`a`
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EXPLAIN EXTENDED SELECT myfunc_int(fn(MIN(b))) as c FROM t1 GROUP BY a;
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort
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Warnings:
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Note 1003 select myfunc_int(`fn`(min(`test`.`t1`.`b`)) AS `fn(MIN(b))`) AS `c` from `test`.`t1` group by `test`.`t1`.`a`
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EXPLAIN EXTENDED SELECT myfunc_int(test.fn(MIN(b))) as c FROM t1 GROUP BY a;
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort
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Warnings:
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Note 1003 select myfunc_int(`test`.`fn`(min(`test`.`t1`.`b`)) AS `test.fn(MIN(b))`) AS `c` from `test`.`t1` group by `test`.`t1`.`a`
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SELECT myfunc_int(MIN(b) xx) as c FROM t1 GROUP BY a;
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c
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1
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2
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SELECT test.fn(MIN(b)) as c FROM t1 GROUP BY a;
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c
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1
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2
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SELECT myfunc_int(fn(MIN(b))) as c FROM t1 GROUP BY a;
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c
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1
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2
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SELECT myfunc_int(test.fn(MIN(b))) as c FROM t1 GROUP BY a;
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c
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1
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2
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DROP VIEW v1;
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DROP TABLE t1;
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DROP FUNCTION fn;
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End of 5.0 tests.
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select myfunc_double(3);
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myfunc_double(3)
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51.00
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select myfunc_double(3 AS three);
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myfunc_double(3 AS three)
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51.00
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select myfunc_double(abs(3));
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myfunc_double(abs(3))
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51.00
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select myfunc_double(abs(3) AS named_param);
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myfunc_double(abs(3) AS named_param)
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51.00
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select abs(myfunc_double(3));
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abs(myfunc_double(3))
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51.00
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select abs(myfunc_double(3 AS three));
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abs(myfunc_double(3 AS three))
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51.00
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select myfunc_double(abs(3 AS wrong));
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ERROR 42000: Incorrect parameters in the call to native function 'abs'
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select abs(myfunc_double(3) AS wrong);
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ERROR 42000: Incorrect parameters in the call to native function 'abs'
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drop function if exists pi;
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CREATE FUNCTION pi RETURNS STRING SONAME "should_not_parse.so";
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ERROR HY000: This function 'pi' has the same name as a native function
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DROP FUNCTION IF EXISTS metaphon;
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CREATE FUNCTION metaphon(a int) RETURNS int
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return 0;
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CREATE FUNCTION metaphon RETURNS STRING SONAME "UDF_EXAMPLE_LIB";
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ERROR HY000: Function 'metaphon' already exists
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DROP FUNCTION metaphon;
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CREATE FUNCTION metaphon RETURNS STRING SONAME "UDF_EXAMPLE_LIB";
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CREATE FUNCTION metaphon(a int) RETURNS int
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return 0;
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ERROR HY000: Function 'metaphon' already exists
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CREATE FUNCTION test.metaphon(a int) RETURNS int
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return 0;
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ERROR HY000: Function 'metaphon' already exists
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DROP FUNCTION metaphon;
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DROP FUNCTION myfunc_double;
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DROP FUNCTION myfunc_nonexist;
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ERROR 42000: FUNCTION test.myfunc_nonexist does not exist
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DROP FUNCTION myfunc_int;
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DROP FUNCTION sequence;
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DROP FUNCTION lookup;
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DROP FUNCTION reverse_lookup;
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DROP FUNCTION avgcost;
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select * from mysql.func;
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name ret dl type
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CREATE FUNCTION is_const RETURNS STRING SONAME "UDF_EXAMPLE_LIB";
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select IS_const(3);
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IS_const(3)
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const
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drop function IS_const;
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select * from mysql.func;
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name ret dl type
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select is_const(3);
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ERROR 42000: FUNCTION test.is_const does not exist
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CREATE FUNCTION is_const RETURNS STRING SONAME "UDF_EXAMPLE_LIB";
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select
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is_const(3) as const,
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is_const(3.14) as const,
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is_const('fnord') as const,
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is_const(2+3) as const,
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is_const(rand()) as 'nc rand()',
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is_const(sin(3.14)) as const,
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is_const(upper('test')) as const;
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const const const const nc rand() const const
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const const const const not const const const
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create table bug18761 (n int);
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insert into bug18761 values (null),(2);
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select
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is_const(3) as const,
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is_const(3.14) as const,
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is_const('fnord') as const,
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is_const(2+3) as const,
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is_const(2+n) as 'nc 2+n ',
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is_const(sin(n)) as 'nc sin(n)',
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is_const(sin(3.14)) as const,
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is_const(upper('test')) as const,
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is_const(rand()) as 'nc rand()',
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is_const(n) as 'nc n ',
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is_const(is_const(n)) as 'nc ic?(n)',
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is_const(is_const('c')) as const
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from
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bug18761;
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const const const const nc 2+n nc sin(n) const const nc rand() nc n nc ic?(n) const
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const const const const not const not const const const not const not const not const const
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const const const const not const not const const const not const not const not const const
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drop table bug18761;
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select is_const((1,2,3));
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ERROR 21000: Operand should contain 1 column(s)
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drop function if exists is_const;
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CREATE FUNCTION metaphon RETURNS STRING SONAME "UDF_EXAMPLE_LIB";
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CREATE FUNCTION myfunc_double RETURNS REAL SONAME "UDF_EXAMPLE_LIB";
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CREATE FUNCTION myfunc_int RETURNS INTEGER SONAME "UDF_EXAMPLE_LIB";
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create function f1(p1 varchar(255))
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returns varchar(255)
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begin
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return metaphon(p1);
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end//
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create function f2(p1 varchar(255))
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returns double
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begin
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return myfunc_double(p1);
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end//
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create function f3(p1 varchar(255))
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returns double
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begin
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return myfunc_int(p1);
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end//
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select f3(NULL);
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f3(NULL)
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0
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select f2(NULL);
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f2(NULL)
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NULL
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select f1(NULL);
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f1(NULL)
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NULL
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drop function f1;
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drop function f2;
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drop function f3;
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drop function metaphon;
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drop function myfunc_double;
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drop function myfunc_int;
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End of 5.0 tests.
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