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	4bb358924c
	
	
	
		
			
			The is_null value was initialized once and thereafter only set to indicate NULL, and never unset to indicate not-NULL. Now set is_null to false, in addition to only setting it to true when the value in question is null.
		
			
				
	
	
		
			106 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			106 lines
		
	
	
		
			2.8 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 function '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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| End of 5.0 tests.
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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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