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  • Committer: Brian Aker
  • Date: 2011-02-11 09:39:17 UTC
  • mto: This revision was merged to the branch mainline in revision 2160.
  • Revision ID: brian@tangent.org-20110211093917-qfdydch1fzskruf8
Fix for union.

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drizzled/session.cc
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 * @file Implementation of the Session class and API
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 */
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#include <config.h>
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#include <drizzled/copy_field.h>
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#include <drizzled/data_home.h>
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#include <drizzled/display.h>
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#include <drizzled/drizzled.h>
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#include <drizzled/error.h>
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#include <drizzled/gettext.h>
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#include <drizzled/identifier.h>
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#include <drizzled/internal/iocache.h>
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#include <drizzled/internal/thread_var.h>
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#include <drizzled/internal_error_handler.h>
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#include <drizzled/item/cache.h>
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#include <drizzled/item/empty_string.h>
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#include <drizzled/item/float.h>
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#include <drizzled/item/return_int.h>
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#include <drizzled/lock.h>
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#include <drizzled/plugin/authentication.h>
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#include <drizzled/plugin/client.h>
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#include <drizzled/plugin/event_observer.h>
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#include <drizzled/plugin/logging.h>
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#include <drizzled/plugin/query_rewrite.h>
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#include <drizzled/plugin/scheduler.h>
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#include <drizzled/plugin/transactional_storage_engine.h>
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#include <drizzled/probes.h>
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#include <drizzled/pthread_globals.h>
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#include <drizzled/query_id.h>
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#include <drizzled/refresh_version.h>
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#include <drizzled/select_dump.h>
53
 
#include <drizzled/select_exists_subselect.h>
54
 
#include <drizzled/select_export.h>
55
 
#include <drizzled/select_max_min_finder_subselect.h>
56
 
#include <drizzled/select_singlerow_subselect.h>
57
 
#include <drizzled/select_subselect.h>
58
 
#include <drizzled/select_to_file.h>
59
 
#include <drizzled/session.h>
60
 
#include <drizzled/session/cache.h>
61
 
#include <drizzled/show.h>
62
 
#include <drizzled/sql_base.h>
63
 
#include <drizzled/table/singular.h>
64
 
#include <drizzled/table_proto.h>
65
 
#include <drizzled/tmp_table_param.h>
66
 
#include <drizzled/transaction_services.h>
67
 
#include <drizzled/user_var_entry.h>
68
 
#include <drizzled/util/functors.h>
69
 
#include <plugin/myisam/myisam.h>
70
 
 
 
24
#include "config.h"
 
25
#include "drizzled/session.h"
 
26
#include "drizzled/session/cache.h"
 
27
#include <sys/stat.h>
 
28
#include "drizzled/error.h"
 
29
#include "drizzled/gettext.h"
 
30
#include "drizzled/query_id.h"
 
31
#include "drizzled/data_home.h"
 
32
#include "drizzled/sql_base.h"
 
33
#include "drizzled/lock.h"
 
34
#include "drizzled/item/cache.h"
 
35
#include "drizzled/item/float.h"
 
36
#include "drizzled/item/return_int.h"
 
37
#include "drizzled/item/empty_string.h"
 
38
#include "drizzled/show.h"
 
39
#include "drizzled/plugin/client.h"
 
40
#include "drizzled/plugin/scheduler.h"
 
41
#include "drizzled/plugin/authentication.h"
 
42
#include "drizzled/plugin/logging.h"
 
43
#include "drizzled/plugin/transactional_storage_engine.h"
 
44
#include "drizzled/plugin/query_rewrite.h"
 
45
#include "drizzled/probes.h"
 
46
#include "drizzled/table_proto.h"
 
47
#include "drizzled/db.h"
 
48
#include "drizzled/pthread_globals.h"
 
49
#include "drizzled/transaction_services.h"
 
50
#include "drizzled/drizzled.h"
 
51
 
 
52
#include "drizzled/identifier.h"
 
53
 
 
54
#include "drizzled/table/singular.h"
 
55
 
 
56
#include "plugin/myisam/myisam.h"
 
57
#include "drizzled/internal/iocache.h"
 
58
#include "drizzled/internal/thread_var.h"
 
59
#include "drizzled/plugin/event_observer.h"
 
60
 
 
61
#include "drizzled/util/functors.h"
 
62
 
 
63
#include "drizzled/display.h"
 
64
 
 
65
#include <fcntl.h>
71
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#include <algorithm>
72
67
#include <climits>
73
 
#include <fcntl.h>
74
 
#include <sys/stat.h>
75
68
 
76
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#include <boost/filesystem.hpp>
77
70
#include <boost/checked_delete.hpp>
78
71
 
79
 
#include <drizzled/util/backtrace.h>
80
 
 
81
 
#include <drizzled/schema.h>
 
72
#include "drizzled/util/backtrace.h"
82
73
 
83
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using namespace std;
84
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237
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  open_options=ha_open_options;
238
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  update_lock_default= TL_WRITE;
239
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  session_tx_isolation= (enum_tx_isolation) variables.tx_isolation;
240
 
  warn_list.clear();
 
231
  warn_list.empty();
241
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  memset(warn_count, 0, sizeof(warn_count));
242
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  memset(&status_var, 0, sizeof(status_var));
243
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311
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  m_internal_handler= NULL;
312
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}
313
304
 
314
 
void Session::get_xid(DrizzleXid *xid)
 
305
void Session::get_xid(DRIZZLE_XID *xid)
315
306
{
316
 
  *xid = *(DrizzleXid *) &transaction.xid_state.xid;
 
307
  *xid = *(DRIZZLE_XID *) &transaction.xid_state.xid;
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}
318
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319
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/* Do operations that may take a long time */
397
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398
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  plugin::Logging::postEndDo(this);
399
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  plugin::EventObserver::deregisterSessionEvents(*this); 
 
391
 
 
392
  for (PropertyMap::iterator iter= life_properties.begin(); iter != life_properties.end(); iter++)
 
393
  {
 
394
    boost::checked_delete((*iter).second);
 
395
  }
 
396
  life_properties.clear();
400
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}
401
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402
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void Session::setClient(plugin::Client *client_arg)
592
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*/
593
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bool Session::isViewable(identifier::User::const_reference user_arg) const
594
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{
595
 
  return plugin::Authorization::isAuthorized(user_arg, *this, false);
 
592
  return plugin::Authorization::isAuthorized(user_arg, this, false);
596
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}
597
594
 
598
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635
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                        const std::string &in_db)
636
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{
637
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  bool is_authenticated=
638
 
    plugin::Authentication::isAuthenticated(*user(), passwd_str);
 
635
    plugin::Authentication::isAuthenticated(user(), passwd_str);
639
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640
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  if (is_authenticated != true)
641
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  {
648
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  if (not in_db.empty())
649
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  {
650
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    identifier::Schema identifier(in_db);
651
 
    if (schema::change(*this, identifier))
 
648
    if (change_db(this, identifier))
652
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    {
653
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      /* change_db() has pushed the error message. */
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      return false;
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    plugin::QueryRewriter::rewriteQuery(*_schema, *new_query);
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  }
720
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  query.reset(new_query);
721
 
  _state.reset(new session::State(in_packet, in_packet_length));
 
718
  _state.reset(new State(in_packet, in_packet_length));
722
719
 
723
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  return true;
724
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}
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                                     bool allocate_lex_string)
877
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{
878
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  if (allocate_lex_string)
879
 
    if (!(lex_str= (LEX_STRING *)getMemRoot()->allocate(sizeof(LEX_STRING))))
 
876
    if (!(lex_str= (LEX_STRING *)alloc(sizeof(LEX_STRING))))
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      return 0;
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  if (!(lex_str->str= mem_root->strmake_root(str, length)))
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    return 0;
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1091
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  /* Check if there is any blobs in data */
1092
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  {
1093
 
    List<Item>::iterator li(list.begin());
 
1090
    List_iterator_fast<Item> li(list);
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    Item *item;
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    while ((item=li++))
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    {
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  row_count++;
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  Item *item;
1157
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  uint32_t used_length=0,items_left=items.elements;
1158
 
  List<Item>::iterator li(items.begin());
 
1155
  List_iterator_fast<Item> li(items);
1159
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1160
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  if (my_b_write(cache,(unsigned char*) exchange->line_start->ptr(),
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                 exchange->line_start->length()))
1344
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1345
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bool select_dump::send_data(List<Item> &items)
1346
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{
1347
 
  List<Item>::iterator li(items.begin());
 
1344
  List_iterator_fast<Item> li(items);
1348
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  char buff[MAX_FIELD_WIDTH];
1349
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  String tmp(buff,sizeof(buff),&my_charset_bin),*res;
1350
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  tmp.length(0);
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    unit->offset_limit_cnt--;
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    return(0);
1399
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  }
1400
 
  List<Item>::iterator li(items.begin());
 
1397
  List_iterator_fast<Item> li(items);
1401
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  Item *val_item;
1402
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  for (uint32_t i= 0; (val_item= li++); i++)
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    it->store(i, val_item);
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bool select_max_min_finder_subselect::send_data(List<Item> &items)
1416
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{
1417
1414
  Item_maxmin_subselect *it= (Item_maxmin_subselect *)item;
1418
 
  List<Item>::iterator li(items.begin());
 
1415
  List_iterator_fast<Item> li(items);
1419
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  Item *val_item= li++;
1420
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  it->register_value();
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  if (it->assigned())
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  @param  session   Thread handle
1618
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  @param  all   true <=> rollback main transaction.
1619
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*/
1620
 
void Session::markTransactionForRollback(bool all)
 
1617
void mark_transaction_to_rollback(Session *session, bool all)
1621
1618
{
1622
 
  is_fatal_sub_stmt_error= true;
1623
 
  transaction_rollback_request= all;
 
1619
  if (session)
 
1620
  {
 
1621
    session->is_fatal_sub_stmt_error= true;
 
1622
    session->transaction_rollback_request= all;
 
1623
  }
1624
1624
}
1625
1625
 
1626
1626
void Session::disconnect(enum error_t errcode)
2012
2012
  }
2013
2013
}
2014
2014
 
 
2015
bool Session::TableMessages::storeTableMessage(const identifier::Table &identifier, message::Table &table_message)
 
2016
{
 
2017
  table_message_cache.insert(make_pair(identifier.getPath(), table_message));
 
2018
 
 
2019
  return true;
 
2020
}
 
2021
 
 
2022
bool Session::TableMessages::removeTableMessage(const identifier::Table &identifier)
 
2023
{
 
2024
  TableMessageCache::iterator iter;
 
2025
 
 
2026
  iter= table_message_cache.find(identifier.getPath());
 
2027
 
 
2028
  if (iter == table_message_cache.end())
 
2029
    return false;
 
2030
 
 
2031
  table_message_cache.erase(iter);
 
2032
 
 
2033
  return true;
 
2034
}
 
2035
 
 
2036
bool Session::TableMessages::getTableMessage(const identifier::Table &identifier, message::Table &table_message)
 
2037
{
 
2038
  TableMessageCache::iterator iter;
 
2039
 
 
2040
  iter= table_message_cache.find(identifier.getPath());
 
2041
 
 
2042
  if (iter == table_message_cache.end())
 
2043
    return false;
 
2044
 
 
2045
  table_message.CopyFrom(((*iter).second));
 
2046
 
 
2047
  return true;
 
2048
}
 
2049
 
 
2050
bool Session::TableMessages::doesTableMessageExist(const identifier::Table &identifier)
 
2051
{
 
2052
  TableMessageCache::iterator iter;
 
2053
 
 
2054
  iter= table_message_cache.find(identifier.getPath());
 
2055
 
 
2056
  if (iter == table_message_cache.end())
 
2057
  {
 
2058
    return false;
 
2059
  }
 
2060
 
 
2061
  return true;
 
2062
}
 
2063
 
 
2064
bool Session::TableMessages::renameTableMessage(const identifier::Table &from, const identifier::Table &to)
 
2065
{
 
2066
  TableMessageCache::iterator iter;
 
2067
 
 
2068
  table_message_cache[to.getPath()]= table_message_cache[from.getPath()];
 
2069
 
 
2070
  iter= table_message_cache.find(to.getPath());
 
2071
 
 
2072
  if (iter == table_message_cache.end())
 
2073
  {
 
2074
    return false;
 
2075
  }
 
2076
 
 
2077
  (*iter).second.set_schema(to.getSchemaName());
 
2078
  (*iter).second.set_name(to.getTableName());
 
2079
 
 
2080
  return true;
 
2081
}
 
2082
 
2015
2083
table::Singular *Session::getInstanceTable()
2016
2084
{
2017
2085
  temporary_shares.push_back(new table::Singular()); // This will not go into the tableshare cache, so no key is used.