diff options
Diffstat (limited to 'sql/udf_example.c')
| -rw-r--r-- | sql/udf_example.c | 38 |
1 files changed, 37 insertions, 1 deletions
diff --git a/sql/udf_example.c b/sql/udf_example.c index d37c6505ced..6c07a929b04 100644 --- a/sql/udf_example.c +++ b/sql/udf_example.c @@ -130,7 +130,8 @@ typedef long long longlong; #include <m_string.h> /* To get strmov() */ #else /* when compiled as standalone */ -#define strmov(a,b) strcpy(a,b) +#include <string.h> +#define strmov(a,b) stpcpy(a,b) #define bzero(a,b) memset(a,0,b) #define memcpy_fixed(a,b,c) memcpy(a,b,c) #endif @@ -1105,4 +1106,39 @@ char * is_const(UDF_INIT *initid, UDF_ARGS *args __attribute__((unused)), } +my_bool check_const_len_init(UDF_INIT *initid, UDF_ARGS *args, char *message) +{ + if (args->arg_count != 1) + { + strmov(message, "IS_CONST accepts only one argument"); + return 1; + } + if (args->args[0] == 0) + { + initid->ptr= (char*)"Not constant"; + } + else if(strlen(args->args[0]) == args->lengths[0]) + { + initid->ptr= (char*)"Correct length"; + } + else + { + initid->ptr= (char*)"Wrong length"; + } + initid->max_length = 100; + return 0; +} + +char * check_const_len(UDF_INIT *initid, UDF_ARGS *args __attribute__((unused)), + char *result, unsigned long *length, + char *is_null, char *error __attribute__((unused))) +{ + strmov(result, initid->ptr); + *length= strlen(result); + *is_null= 0; + return result; +} + + + #endif /* HAVE_DLOPEN */ |