21
21
#include "config.h"
23
23
#include <assert.h>
24
#include <boost/lexical_cast.hpp>
25
25
#include "drizzled/identifier.h"
26
26
#include "drizzled/session.h"
27
27
#include "drizzled/internal/my_sys.h"
28
#include "drizzled/data_home.h"
29
30
#include "drizzled/table.h"
31
32
#include "drizzled/util/string.h"
32
#include "drizzled/util/tablename_to_filename.h"
34
34
#include <algorithm>
45
class SchemaIdentifier;
47
45
extern std::string drizzle_tmpdir;
48
46
extern pid_t current_pid;
50
48
static const char hexchars[]= "0123456789abcdef";
50
static bool tablename_to_filename(const char *from, char *to, size_t to_length);
53
53
Translate a cursor name to a table name (WL #1324).
204
204
path length on success, 0 on failure
207
size_t TableIdentifier::build_table_filename(std::string &in_path, const std::string &in_db, const std::string &in_table_name, bool is_tmp)
207
size_t TableIdentifier::build_table_filename(std::string &path, const char *db, const char *table_name, bool is_tmp)
209
char dbbuff[FN_REFLEN];
210
char tbbuff[FN_REFLEN];
209
211
bool conversion_error= false;
211
conversion_error= util::tablename_to_filename(in_db, in_path);
212
if (conversion_error)
214
errmsg_printf(ERRMSG_LVL_ERROR,
215
_("Schema name cannot be encoded and fit within filesystem "
216
"name length restrictions."));
220
in_path.append(FN_ROOTDIR);
213
memset(tbbuff, 0, sizeof(tbbuff));
222
214
if (is_tmp) // It a conversion tmp
224
in_path.append(in_table_name);
216
strncpy(tbbuff, table_name, sizeof(tbbuff));
228
conversion_error= util::tablename_to_filename(in_table_name, in_path);
220
conversion_error= tablename_to_filename(table_name, tbbuff, sizeof(tbbuff));
229
221
if (conversion_error)
231
223
errmsg_printf(ERRMSG_LVL_ERROR,
238
return in_path.length();
229
memset(dbbuff, 0, sizeof(dbbuff));
230
conversion_error= tablename_to_filename(db, dbbuff, sizeof(dbbuff));
231
if (conversion_error)
233
errmsg_printf(ERRMSG_LVL_ERROR,
234
_("Schema name cannot be encoded and fit within filesystem "
235
"name length restrictions."));
240
int rootdir_len= strlen(FN_ROOTDIR);
241
path.append(data_home);
242
ssize_t without_rootdir= path.length() - rootdir_len;
244
/* Don't add FN_ROOTDIR if dirzzle_data_home already includes it */
245
if (without_rootdir >= 0)
247
const char *tmp= path.c_str() + without_rootdir;
249
if (memcmp(tmp, FN_ROOTDIR, rootdir_len) != 0)
250
path.append(FN_ROOTDIR);
254
path.append(FN_ROOTDIR);
257
return path.length();
262
Translate a table name to a cursor name (WL #1324).
265
tablename_to_filename()
267
to OUT The cursor name
268
to_length The size of the cursor name buffer.
271
true if errors happen. false on success.
273
static bool tablename_to_filename(const char *from, char *to, size_t to_length)
277
for (; *from && length < to_length; length++, from++)
279
if ((*from >= '0' && *from <= '9') ||
280
(*from >= 'a' && *from <= 'z') ||
281
/* OSX defines an extra set of high-bit and multi-byte characters
282
that cannot be used on the filesystem. Instead of trying to sort
283
those out, we'll just escape encode all high-bit-set chars on OSX.
284
It won't really hurt anything - it'll just make some filenames ugly. */
285
#if !defined(TARGET_OS_OSX)
286
((unsigned char)*from >= 128) ||
292
to[length]= tolower(*from);
296
if ((*from >= 'A' && *from <= 'Z'))
298
to[length]= tolower(*from);
302
if (length + 3 >= to_length)
305
/* We need to escape this char in a way that can be reversed */
307
to[length++]= hexchars[(*from >> 4) & 15];
308
to[length]= hexchars[(*from) & 15];
311
if (internal::check_if_legal_tablename(to) &&
312
length + 4 < to_length)
314
memcpy(to + length, "@@@", 4);
241
320
TableIdentifier::TableIdentifier(const drizzled::Table &table) :
255
334
case message::Table::FUNCTION:
256
335
case message::Table::STANDARD:
257
336
assert(path.size() == 0);
258
build_table_filename(path, getSchemaName(), table_name, false);
337
build_table_filename(path, getSchemaName().c_str(), table_name.c_str(), false);
260
339
case message::Table::INTERNAL:
261
340
assert(path.size() == 0);
262
build_table_filename(path, getSchemaName(), table_name, true);
341
build_table_filename(path, getSchemaName().c_str(), table_name.c_str(), true);
264
343
case message::Table::TEMPORARY:
265
344
if (path.empty())
272
351
util::insensitive_hash hasher;
273
352
hash_value= hasher(path);
275
std::string tb_name(getTableName());
276
std::transform(tb_name.begin(), tb_name.end(), tb_name.begin(), ::tolower);
354
key.resize(getKeySize());
355
size_t key_length= TableIdentifier::createKey(&key[0], *this);
278
key.set(getKeySize(), getSchemaName(), tb_name);
357
assert(key_length == getKeySize()); // If this is off, then we have a memory issue.
287
void TableIdentifier::getSQLPath(std::string &sql_path) const // @todo this is just used for errors, we should find a way to optimize it
290
case message::Table::FUNCTION:
291
case message::Table::STANDARD:
292
sql_path.append(getSchemaName());
293
sql_path.append(".");
294
sql_path.append(table_name);
296
case message::Table::INTERNAL:
297
sql_path.append("temporary.");
298
sql_path.append(table_name);
300
case message::Table::TEMPORARY:
301
sql_path.append(getSchemaName());
302
sql_path.append(".#");
303
sql_path.append(table_name);
308
bool TableIdentifier::isValid() const
310
if (not SchemaIdentifier::isValid())
316
if (table_name.empty())
322
if (table_name.size() > NAME_LEN)
328
if (table_name.at(table_name.length() -1) == ' ')
334
if (table_name.at(0) == '.')
341
const CHARSET_INFO * const cs= &my_charset_utf8mb4_general_ci;
343
int well_formed_error;
344
uint32_t res= cs->cset->well_formed_len(cs, table_name.c_str(), table_name.c_str() + table_name.length(),
345
NAME_CHAR_LEN, &well_formed_error);
346
if (well_formed_error or table_name.length() != res)
359
my_error(ER_WRONG_TABLE_NAME, MYF(0), name.c_str());
366
const std::string &TableIdentifier::getSQLPath() // @todo this is just used for errors, we should find a way to optimize it
368
if (sql_path.empty())
371
case message::Table::FUNCTION:
372
case message::Table::STANDARD:
373
sql_path.append(getSchemaName());
374
sql_path.append(".");
375
sql_path.append(table_name);
377
case message::Table::INTERNAL:
378
sql_path.append("temporary.");
379
sql_path.append(table_name);
381
case message::Table::TEMPORARY:
382
sql_path.append(getSchemaName());
383
sql_path.append(".#");
384
sql_path.append(table_name);
371
396
message.set_schema(getSchemaName());
374
void TableIdentifier::Key::set(size_t resize_arg, const std::string &a, const std::string &b)
376
key_buffer.resize(resize_arg);
378
std::copy(a.begin(), a.end(), key_buffer.begin());
379
std::copy(b.begin(), b.end(), key_buffer.begin() + a.length() + 1);
381
util::sensitive_hash hasher;
382
hash_value= hasher(key_buffer);
385
399
std::size_t hash_value(TableIdentifier const& b)
387
401
return b.getHashValue();
390
std::size_t hash_value(TableIdentifier::Key const& b)
392
return b.getHashValue();
395
404
} /* namespace drizzled */