この例では、特定外部関数名addnumの現在のDDLおよび関数の本体が報告されます。
SHOW FUNCTION addnum;
*** Text of DDL statement returned.
*** Total elapsed time was 1 second.
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REPLACE FUNCTION rgs.add_num (p1 INTEGER, p2 FLOAT)
RETURNS FLOAT
SPECIFIC add_num
LANGUAGE C
NO SQL
PARAMETER STYLE SQL
NOT DETERMINISTIC
CALLED ON NULL INPUT
EXTERNAL NAME 'cs!first1!udftest/first1.c!F!first1'
*** Text of DDL statement returned.
#define SQL_TEXT Latin_Text
#include <sqltypes_td.h>
/* add integer and float */
void first1(INTEGER *a,
FLOAT *b,
FLOAT *result,
INT *indc_a,
INT *indc_b,
INT *indc_result,
CHAR sqlstate[6],
SQL_TEXT extname[129],
SQL_TEXT specific_name[129],
SQL_TEXT error_message[257])
{
if (*indc_a == -1 || *indc_b == -1)
{
*indc_result = -1;
return;
}
*result = *a + *b;
*indc_result = 0;
}