40
#include "drizzled/error.h"
41
#include "drizzled/gettext.h"
42
#include "drizzled/sql_base.h"
43
#include "drizzled/pthread_globals.h"
44
#include "drizzled/internal/my_pthread.h"
45
#include "drizzled/plugin/event_observer.h"
47
#include "drizzled/table.h"
48
#include "drizzled/table/shell.h"
50
#include "drizzled/session.h"
52
#include "drizzled/charset.h"
53
#include "drizzled/internal/m_string.h"
54
#include "drizzled/internal/my_sys.h"
56
#include "drizzled/item/string.h"
57
#include "drizzled/item/int.h"
58
#include "drizzled/item/decimal.h"
59
#include "drizzled/item/float.h"
60
#include "drizzled/item/null.h"
61
#include "drizzled/temporal.h"
63
#include "drizzled/field.h"
64
#include "drizzled/field/str.h"
65
#include "drizzled/field/num.h"
66
#include "drizzled/field/blob.h"
67
#include "drizzled/field/enum.h"
68
#include "drizzled/field/null.h"
69
#include "drizzled/field/date.h"
70
#include "drizzled/field/decimal.h"
71
#include "drizzled/field/real.h"
72
#include "drizzled/field/double.h"
73
#include "drizzled/field/int32.h"
74
#include "drizzled/field/int64.h"
75
#include "drizzled/field/num.h"
76
#include "drizzled/field/timestamp.h"
77
#include "drizzled/field/datetime.h"
78
#include "drizzled/field/varstring.h"
79
#include "drizzled/field/uuid.h"
81
#include "drizzled/definition/cache.h"
40
#include <drizzled/error.h>
41
#include <drizzled/gettext.h>
42
#include <drizzled/sql_base.h>
43
#include <drizzled/pthread_globals.h>
44
#include <drizzled/internal/my_pthread.h>
46
#include <drizzled/table.h>
47
#include <drizzled/table/shell.h>
49
#include <drizzled/session.h>
51
#include <drizzled/charset.h>
52
#include <drizzled/internal/m_string.h>
53
#include <drizzled/internal/my_sys.h>
55
#include <drizzled/item/string.h>
56
#include <drizzled/item/int.h>
57
#include <drizzled/item/decimal.h>
58
#include <drizzled/item/float.h>
59
#include <drizzled/item/null.h>
60
#include <drizzled/temporal.h>
62
#include <drizzled/field.h>
63
#include <drizzled/field/str.h>
64
#include <drizzled/field/num.h>
65
#include <drizzled/field/blob.h>
66
#include <drizzled/field/boolean.h>
67
#include <drizzled/field/enum.h>
68
#include <drizzled/field/null.h>
69
#include <drizzled/field/date.h>
70
#include <drizzled/field/decimal.h>
71
#include <drizzled/field/real.h>
72
#include <drizzled/field/double.h>
73
#include <drizzled/field/int32.h>
74
#include <drizzled/field/int64.h>
75
#include <drizzled/field/size.h>
76
#include <drizzled/field/num.h>
77
#include <drizzled/field/time.h>
78
#include <drizzled/field/epoch.h>
79
#include <drizzled/field/datetime.h>
80
#include <drizzled/field/microtime.h>
81
#include <drizzled/field/varstring.h>
82
#include <drizzled/field/uuid.h>
84
#include <drizzled/plugin/storage_engine.h>
86
#include <drizzled/definition/cache.h>
87
#include <drizzled/typelib.h>
89
#include <drizzled/refresh_version.h>
83
91
using namespace std;
88
96
extern size_t table_def_size;
90
/*****************************************************************************
91
Functions to handle table definition cach (TableShare)
92
*****************************************************************************/
95
Mark that we are not using table share anymore.
102
If ref_count goes to zero and (we have done a refresh or if we have
103
already too many open table shares) then delete the definition.
106
void TableShare::release(TableShare *share)
108
bool to_be_deleted= false;
109
safe_mutex_assert_owner(table::Cache::singleton().mutex().native_handle);
112
if (!--share->ref_count)
120
definition::Cache::singleton().erase(share->getCacheKey());
124
void TableShare::release(TableShare::shared_ptr &share)
126
bool to_be_deleted= false;
127
safe_mutex_assert_owner(table::Cache::singleton().mutex().native_handle);
130
if (!--share->ref_count)
138
definition::Cache::singleton().erase(share->getCacheKey());
142
void TableShare::release(const TableIdentifier &identifier)
144
TableShare::shared_ptr share= definition::Cache::singleton().find(identifier.getKey());
147
share->version= 0; // Mark for delete
148
if (share->ref_count == 0)
150
definition::Cache::singleton().erase(identifier.getKey());
156
static TableShare::shared_ptr foundTableShare(TableShare::shared_ptr share)
159
We found an existing table definition. Return it if we didn't get
160
an error when reading the table definition from file.
163
/* We must do a lock to ensure that the structure is initialized */
166
/* Table definition contained an error */
167
share->open_table_error(share->error, share->open_errno, share->errarg);
169
return TableShare::shared_ptr();
172
share->incrementTableCount();
178
Get TableShare for a table.
181
session Thread handle
182
table_list Table that should be opened
184
key_length Length of key
185
error out: Error code from open_table_def()
188
Get a table definition from the table definition cache.
189
If it doesn't exist, create a new from the table definition file.
192
We must have wrlock on table::Cache::singleton().mutex() when we come here
193
(To be changed later)
200
TableShare::shared_ptr TableShare::getShareCreate(Session *session,
201
const TableIdentifier &identifier,
204
TableShare::shared_ptr share;
208
/* Read table definition from cache */
209
if ((share= definition::Cache::singleton().find(identifier.getKey())))
210
return foundTableShare(share);
212
share.reset(new TableShare(message::Table::STANDARD, identifier));
214
if (share->open_table_def(*session, identifier))
216
in_error= share->error;
218
return TableShare::shared_ptr();
220
share->ref_count++; // Mark in use
222
plugin::EventObserver::registerTableEvents(*share);
224
bool ret= definition::Cache::singleton().insert(identifier.getKey(), share);
227
return TableShare::shared_ptr();
232
static enum_field_types proto_field_type_to_drizzle_type(uint32_t proto_field_type)
234
enum_field_types field_type;
236
switch(proto_field_type)
99
static enum_field_types proto_field_type_to_drizzle_type(const message::Table::Field &field)
238
103
case message::Table::Field::INTEGER:
239
field_type= DRIZZLE_TYPE_LONG;
104
return DRIZZLE_TYPE_LONG;
241
106
case message::Table::Field::DOUBLE:
242
field_type= DRIZZLE_TYPE_DOUBLE;
244
case message::Table::Field::TIMESTAMP:
245
field_type= DRIZZLE_TYPE_TIMESTAMP;
107
return DRIZZLE_TYPE_DOUBLE;
109
case message::Table::Field::EPOCH:
110
if (field.has_time_options() and field.time_options().microseconds())
111
return DRIZZLE_TYPE_MICROTIME;
113
return DRIZZLE_TYPE_TIMESTAMP;
247
115
case message::Table::Field::BIGINT:
248
field_type= DRIZZLE_TYPE_LONGLONG;
116
return DRIZZLE_TYPE_LONGLONG;
250
118
case message::Table::Field::DATETIME:
251
field_type= DRIZZLE_TYPE_DATETIME;
119
return DRIZZLE_TYPE_DATETIME;
253
121
case message::Table::Field::DATE:
254
field_type= DRIZZLE_TYPE_DATE;
122
return DRIZZLE_TYPE_DATE;
256
124
case message::Table::Field::VARCHAR:
257
field_type= DRIZZLE_TYPE_VARCHAR;
125
return DRIZZLE_TYPE_VARCHAR;
259
127
case message::Table::Field::DECIMAL:
260
field_type= DRIZZLE_TYPE_DECIMAL;
128
return DRIZZLE_TYPE_DECIMAL;
262
130
case message::Table::Field::ENUM:
263
field_type= DRIZZLE_TYPE_ENUM;
131
return DRIZZLE_TYPE_ENUM;
265
133
case message::Table::Field::BLOB:
266
field_type= DRIZZLE_TYPE_BLOB;
134
return DRIZZLE_TYPE_BLOB;
268
136
case message::Table::Field::UUID:
269
field_type= DRIZZLE_TYPE_UUID;
273
abort(); // Programming error
137
return DRIZZLE_TYPE_UUID;
139
case message::Table::Field::BOOLEAN:
140
return DRIZZLE_TYPE_BOOLEAN;
142
case message::Table::Field::TIME:
143
return DRIZZLE_TYPE_TIME;
279
149
static Item *default_value_item(enum_field_types field_type,
719
577
table_name.str= db.str + db.length + 1;
720
578
table_name.length= strlen(table_name.str);
722
table_proto->set_name(identifier_arg.getTableName());
723
table_proto->set_schema(identifier_arg.getSchemaName());
580
getTableMessage()->set_name(identifier_arg.getTableName());
581
getTableMessage()->set_schema(identifier_arg.getSchemaName());
726
int TableShare::inner_parse_table_proto(Session& session, message::Table &table)
584
bool TableShare::parse_table_proto(Session& session, message::Table &table)
586
drizzled::error_t local_error= EE_OK;
730
588
if (! table.IsInitialized())
732
my_error(ER_CORRUPT_TABLE_DEFINITION, MYF(0), table.InitializationErrorString().c_str());
590
my_error(ER_CORRUPT_TABLE_DEFINITION, MYF(0),
591
table.name().empty() ? " " : table.name().c_str(),
592
table.InitializationErrorString().c_str());
733
594
return ER_CORRUPT_TABLE_DEFINITION;
736
setTableProto(new(nothrow) message::Table(table));
597
setTableMessage(table);
738
599
storage_engine= plugin::StorageEngine::findByName(session, table.engine().name());
739
600
assert(storage_engine); // We use an assert() here because we should never get this far and still have no suitable engine.
760
621
table_charset= get_charset(table_options.collation_id());
623
if (not table_charset)
765
snprintf(errmsg, sizeof(errmsg),
766
_("Table %s has invalid/unknown collation: %d,%s"),
768
table_options.collation_id(),
769
table_options.collation().c_str());
625
my_error(ER_CORRUPT_TABLE_DEFINITION_UNKNOWN_COLLATION, MYF(0),
626
table_options.collation().c_str(),
627
table.name().c_str());
772
my_error(ER_CORRUPT_TABLE_DEFINITION, MYF(0), errmsg);
773
return ER_CORRUPT_TABLE_DEFINITION;
629
return ER_CORRUPT_TABLE_DEFINITION; // Historical
776
632
db_record_offset= 1;
778
blob_ptr_size= portable_sizeof_char_ptr; // more bonghits.
780
634
keys= table.indexes_size();
937
791
std::vector<uint32_t> field_offsets;
938
792
std::vector<uint32_t> field_pack_length;
940
field_offsets.resize(fields);
941
field_pack_length.resize(fields);
794
field_offsets.resize(_field_size);
795
field_pack_length.resize(_field_size);
943
797
uint32_t interval_count= 0;
944
798
uint32_t interval_parts= 0;
946
800
uint32_t stored_columns_reclength= 0;
948
for (unsigned int fieldnr= 0; fieldnr < fields; fieldnr++)
802
for (unsigned int fieldnr= 0; fieldnr < _field_size; fieldnr++)
950
804
message::Table::Field pfield= table.field(fieldnr);
951
if (pfield.constraints().is_nullable())
805
if (pfield.constraints().is_nullable()) // Historical reference
809
else if (not pfield.constraints().is_notnull())
954
enum_field_types drizzle_field_type=
955
proto_field_type_to_drizzle_type(pfield.type());
814
enum_field_types drizzle_field_type= proto_field_type_to_drizzle_type(pfield);
957
816
field_offsets[fieldnr]= stored_columns_reclength;
1315
1165
case DRIZZLE_TYPE_LONGLONG:
1316
field_length= MAX_BIGINT_WIDTH;
1167
uint32_t sign_len= pfield.constraints().is_unsigned() ? 0 : 1;
1168
field_length= MAX_BIGINT_WIDTH+sign_len;
1318
1171
case DRIZZLE_TYPE_UUID:
1319
1172
field_length= field::Uuid::max_string_length();
1174
case DRIZZLE_TYPE_BOOLEAN:
1175
field_length= field::Boolean::max_string_length();
1177
case DRIZZLE_TYPE_MICROTIME:
1178
field_length= field::Microtime::max_string_length();
1180
case DRIZZLE_TYPE_TIMESTAMP:
1181
field_length= field::Epoch::max_string_length();
1183
case DRIZZLE_TYPE_TIME:
1184
field_length= field::Time::max_string_length();
1321
1186
case DRIZZLE_TYPE_NULL:
1322
1187
abort(); // Programming error
1325
assert(enum_field_types_size == 12);
1327
Field* f= make_field(record + field_offsets[fieldnr] + data_offset,
1190
bool is_not_null= false;
1192
if (not pfield.constraints().is_nullable())
1196
else if (pfield.constraints().is_notnull())
1201
Field* f= make_field(pfield,
1202
record + field_offsets[fieldnr] + data_offset,
1329
pfield.constraints().is_nullable(),
1664
1526
6 Unknown .frm version
1667
int TableShare::open_table_def(Session& session, const TableIdentifier &identifier)
1529
int TableShare::open_table_def(Session& session, const identifier::Table &identifier)
1675
message::table::shared_ptr table;
1677
local_error= plugin::StorageEngine::getTableDefinition(session, identifier, table);
1679
if (local_error != EEXIST)
1531
drizzled::error_t local_error= EE_OK;
1533
message::table::shared_ptr table= plugin::StorageEngine::getTableMessage(session, identifier, local_error);
1535
if (table and table->IsInitialized())
1681
if (local_error > 0)
1537
if (parse_table_proto(session, *table))
1539
local_error= ER_CORRUPT_TABLE_DEFINITION_UNKNOWN;
1540
my_error(ER_CORRUPT_TABLE_DEFINITION_UNKNOWN, identifier);
1688
if (not table->IsInitialized())
1544
setTableCategory(TABLE_CATEGORY_USER);
1696
local_error= parse_table_proto(session, *table);
1698
setTableCategory(TABLE_CATEGORY_USER);
1701
if (local_error && !error_given)
1704
open_table_error(error, (open_errno= errno), 0);
1548
else if (table and not table->IsInitialized())
1550
local_error= ER_CORRUPT_TABLE_DEFINITION_UNKNOWN;
1551
my_error(ER_CORRUPT_TABLE_DEFINITION_UNKNOWN, identifier);
1555
local_error= ER_TABLE_UNKNOWN;
1556
my_error(ER_TABLE_UNKNOWN, identifier);
1559
return static_cast<int>(local_error);
2102
1979
case DRIZZLE_TYPE_LONGLONG:
2103
return new (&mem_root) field::Int64(ptr,
1983
return new (&mem_root) field::Size(ptr,
1991
return new (&mem_root) field::Int64(ptr,
1998
case DRIZZLE_TYPE_MICROTIME:
1999
return new (&mem_root) field::Microtime(ptr,
2109
2005
case DRIZZLE_TYPE_TIMESTAMP:
2110
return new (&mem_root) Field_timestamp(ptr,
2006
return new (&mem_root) field::Epoch(ptr,
2012
case DRIZZLE_TYPE_TIME:
2013
return new (&mem_root) field::Time(ptr,
2118
2018
case DRIZZLE_TYPE_DATE:
2119
2019
return new (&mem_root) Field_date(ptr,
2124
2023
case DRIZZLE_TYPE_DATETIME:
2125
2024
return new (&mem_root) Field_datetime(ptr,
2130
2028
case DRIZZLE_TYPE_NULL:
2131
2029
return new (&mem_root) Field_null(ptr,
2037
void TableShare::refreshVersion()
2039
version= refresh_version;
2141
2043
} /* namespace drizzled */