Drizzled Public API Documentation

memc_increment.cc
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32 
33 #include <config.h>
34 #include <drizzled/function/str/strfunc.h>
35 
36 #include "memcached_functions.h"
37 #include "memc_increment.h"
38 
39 #include <libmemcached/memcached.h>
40 
41 #include <string>
42 
43 using namespace std;
44 using namespace drizzled;
45 
47 {
48  memcached_return rc;
49  uint32_t offset;
50  uint64_t value;
51  size_t val_len;
52  char tmp_buff[32]= "";
53  String *key;
54  String *inc_str;
55 
56  if ((arg_count != 1 && arg_count != 2) ||
57  ! (key= args[0]->val_str(str)) ||
58  ! memc)
59  {
60  return &failure_buff;
61  }
62 
63  if (arg_count == 2) {
64  inc_str= args[1]->val_str(str);
65  offset= static_cast<uint32_t>(atoi(inc_str->c_ptr()));
66  }
67  else
68  {
69  offset= 1;
70  }
71 
72 
73  rc= memcached_increment(memc,
74  key->c_ptr(),
75  key->length(),
76  offset,
77  &value);
78 
79  snprintf(tmp_buff, 32, "%"PRIu64, value);
80  val_len= strlen(tmp_buff);
81 
82  if (rc != MEMCACHED_SUCCESS)
83  {
84  return &failure_buff;
85  }
86 
87  buffer.realloc(val_len);
88  buffer.length(val_len);
89  memcpy(buffer.ptr(), tmp_buff, val_len);
90 
91  return &buffer;
92 }
93 
drizzled::String * val_str(drizzled::String *)
TODO: Rename this file - func.h is stupid.