1
1
/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
2
2
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
4
* Copyright (C) 2009 Sun Microsystems, Inc.
4
* Copyright (C) 2009 Sun Microsystems
6
6
* This program is free software; you can redistribute it and/or modify
7
7
* it under the terms of the GNU General Public License as published by
32
32
#include <boost/thread/condition_variable.hpp>
33
33
#include <boost/dynamic_bitset.hpp>
34
34
#include <boost/shared_ptr.hpp>
35
#include <boost/scoped_ptr.hpp>
37
#include <drizzled/memory/root.h>
38
#include <drizzled/message.h>
39
#include <drizzled/util/string.h>
41
#include <drizzled/lex_string.h>
42
#include <drizzled/key_map.h>
44
#include <drizzled/table/cache.h>
46
#include <drizzled/field.h>
36
#include "drizzled/typelib.h"
37
#include "drizzled/memory/root.h"
38
#include "drizzled/message/table.pb.h"
39
#include "drizzled/util/string.h"
41
#include "drizzled/table/cache.h"
46
extern uint64_t refresh_version;
48
const static std::string STANDARD_STRING("STANDARD");
49
const static std::string TEMPORARY_STRING("TEMPORARY");
50
const static std::string INTERNAL_STRING("INTERNAL");
51
const static std::string FUNCTION_STRING("FUNCTION");
52
52
const static std::string NO_PROTOBUFFER_AVAILABLE("NO PROTOBUFFER AVAILABLE");
56
56
class EventObserverList;
71
66
typedef boost::shared_ptr<TableShare> shared_ptr;
72
67
typedef std::vector <shared_ptr> vector;
74
TableShare(const identifier::Table::Type type_arg);
76
TableShare(const identifier::Table &identifier, const identifier::Table::Key &key); // Used by placeholder
78
TableShare(const identifier::Table &identifier); // Just used during createTable()
80
TableShare(const identifier::Table::Type type_arg,
81
const identifier::Table &identifier,
69
TableShare(const TableIdentifier::Type type_arg);
71
TableShare(const TableIdentifier &identifier, const TableIdentifier::Key &key); // Used by placeholder
73
TableShare(const TableIdentifier &identifier); // Just used during createTable()
75
TableShare(const TableIdentifier::Type type_arg,
76
const TableIdentifier &identifier,
82
77
char *path_arg= NULL, uint32_t path_length_arg= 0); // Shares for cache
84
virtual ~TableShare();
87
82
/** Category of this table. */
88
83
enum_table_category table_category;
91
87
bool isTemporaryCategory() const
93
89
return (table_category == TABLE_CATEGORY_TEMPORARY);
101
97
/* The following is copied to each Table on OPEN */
102
98
typedef std::vector<Field *> Fields;
108
102
const Fields getFields() const
118
107
Field ** getFields(bool)
123
112
void setFields(uint32_t arg)
128
117
uint32_t positionFields(Field **arg) const
130
return (arg - (Field **)&_fields[0]);
119
return (arg - (Field **)&field[0]);
133
122
void pushField(Field *arg)
136
_fields.push_back(arg);
125
field.push_back(arg);
139
129
Field **found_next_number_field;
142
131
Field *timestamp_field; /* Used only during open */
146
134
Field *getTimestampField() const /* Used only during open */
165
152
std::vector<uint> blob_field; /* Index to blobs in Field arrray*/
168
154
/* hash of field names (contains pointers to elements of field array) */
169
156
typedef boost::unordered_map < std::string, Field **, util::insensitive_hash, util::insensitive_equal_to> FieldMap;
170
157
typedef std::pair< std::string, Field ** > FieldMapPair;
171
158
FieldMap name_hash; /* hash of field names */
174
160
size_t getNamedFieldSize() const
241
226
std::vector<TYPELIB> intervals; /* pointer to interval info */
247
virtual void unlock()
228
boost::mutex mutex; /* For locking the share */
229
boost::condition_variable cond; /* To signal that share is ready */
251
242
std::vector<unsigned char> default_values; /* row with default values */
254
244
// @note This needs to be made to be const in the future
255
245
unsigned char *getDefaultValues()
276
266
To ensure this one can use set_table_cache() methods.
279
identifier::Table::Key private_key_for_cache; // This will not exist in the final design.
269
TableIdentifier::Key private_key_for_cache; // This will not exist in the final design.
280
270
std::vector<char> private_normalized_path; // This will not exist in the final design.
281
271
LEX_STRING db; /* Pointer to db */
282
272
LEX_STRING table_name; /* Table name (for open) */
283
273
LEX_STRING path; /* Path to table (from datadir) */
284
274
LEX_STRING normalized_path; /* unpack_filename(path) */
288
277
const char *getNormalizedPath() const
358
346
uint64_t version;
361
348
uint64_t getVersion() const
366
void refreshVersion();
353
void refreshVersion()
355
version= refresh_version;
368
358
void resetVersion()
374
363
uint32_t timestamp_offset; /* Set to offset+1 of record */
376
uint32_t reclength; /* Recordlength */
377
uint32_t stored_rec_length; /* Stored record length*/
365
uint32_t reclength; /* Recordlength */
380
uint32_t sizeStoredRecord() const
382
return stored_rec_length;
367
uint32_t stored_rec_length; /* Stored record length*/
385
369
uint32_t getRecordLength() const
404
388
/* Max rows is a hint to HEAP during a create tmp table */
405
389
uint64_t max_rows;
407
boost::scoped_ptr<message::Table> _table_message;
391
message::Table *table_proto;
411
@note Without a _table_message, we assume we are building a STANDARD table.
395
@note Without a table_proto, we assume we are building a STANDARD table.
412
396
This will be modified once we use Identifiers in the Share itself.
414
398
message::Table::TableType getTableType() const
416
return getTableMessage() ? getTableMessage()->type() : message::Table::STANDARD;
400
return table_proto ? table_proto->type() : message::Table::STANDARD;
419
403
const std::string &getTableTypeAsString() const
421
if (getTableMessage())
422
return message::type(getTableMessage()->type());
424
return NO_PROTOBUFFER_AVAILABLE;
407
switch (table_proto->type())
410
case message::Table::STANDARD:
411
return STANDARD_STRING;
412
case message::Table::TEMPORARY:
413
return TEMPORARY_STRING;
414
case message::Table::INTERNAL:
415
return INTERNAL_STRING;
416
case message::Table::FUNCTION:
417
return FUNCTION_STRING;
422
return NO_PROTOBUFFER_AVAILABLE;
427
426
/* This is only used in one location currently */
428
inline message::Table *getTableMessage() const
430
return _table_message.get();
433
void setTableMessage(const message::Table &arg)
435
assert(not getTableMessage());
436
_table_message.reset(new(std::nothrow) message::Table(arg));
439
const message::Table::Field &field(int32_t field_position) const
441
assert(getTableMessage());
442
return getTableMessage()->field(field_position);
427
inline message::Table *getTableProto() const
432
inline void setTableProto(message::Table *arg)
434
assert(table_proto == NULL);
445
438
inline bool hasComment() const
447
return (getTableMessage()) ? getTableMessage()->options().has_comment() : false;
440
return (table_proto) ? table_proto->options().has_comment() : false;
450
443
inline const char *getComment()
452
return (getTableMessage() && getTableMessage()->has_options()) ? getTableMessage()->options().comment().c_str() : NULL;
445
return (table_proto && table_proto->has_options()) ? table_proto->options().comment().c_str() : NULL;
455
448
inline uint32_t getCommentLength() const
457
return (getTableMessage()) ? getTableMessage()->options().comment().length() : 0;
450
return (table_proto) ? table_proto->options().comment().length() : 0;
460
453
inline uint64_t getMaxRows() const
487
identifier::Table::Type tmp_table;
480
TableIdentifier::Type tmp_table;
490
identifier::Table::Type getType() const
483
TableIdentifier::Type getType() const
492
485
return tmp_table;
496
uint32_t _ref_count; /* How many Table objects uses this */
489
uint32_t ref_count; /* How many Table objects uses this */
499
492
uint32_t getTableCount() const
504
497
void incrementTableCount()
511
uint32_t decrementTableCount()
516
504
uint32_t null_bytes;
517
505
uint32_t last_null_bit_pos;
519
uint32_t _field_size; /* Number of fields */
522
void setFieldSize(uint32_t arg)
506
uint32_t fields; /* Number of fields */
527
508
uint32_t sizeFields() const
532
513
uint32_t rec_buff_length; /* Size of table->record[] buffer */
586
566
uint32_t next_number_keypart; /* autoinc keypart number in a key */
587
567
uint32_t error, open_errno, errarg; /* error from open_table_def() */
590
569
uint8_t blob_ptr_size; /* 4 or 8 */
593
uint8_t sizeBlobPtr() const
595
return blob_ptr_size;
598
570
bool db_low_byte_first; /* Portable row format */
608
580
event_observers is a class containing all the event plugins that have
609
581
registered an interest in this table.
611
virtual plugin::EventObserverList *getTableObservers()
584
plugin::EventObserverList *event_observers;
586
plugin::EventObserverList *getTableObservers()
588
return event_observers;
616
virtual void setTableObservers(plugin::EventObserverList *)
591
void setTableObservers(plugin::EventObserverList *observers)
593
event_observers= observers;
620
597
Set share's identifier information.
647
624
void init(const char *new_table_name,
648
625
const char *new_path);
651
628
void open_table_error(int pass_error, int db_errno, int pass_errarg);
630
static void release(TableShare *share);
631
static void release(TableShare::shared_ptr &share);
632
static void release(const TableIdentifier &identifier);
655
633
static TableShare::shared_ptr getShareCreate(Session *session,
656
const identifier::Table &identifier,
634
const TableIdentifier &identifier,
659
637
friend std::ostream& operator<<(std::ostream& output, const TableShare &share)
671
649
return output; // for multiple << operators.
675
friend class drizzled::table::Singular;
677
Field *make_field(const message::Table::Field &pfield,
652
Field *make_field(unsigned char *ptr,
679
653
uint32_t field_length,
680
654
bool is_nullable,
681
655
unsigned char *null_pos,
682
656
unsigned char null_bit,
683
657
uint8_t decimals,
684
658
enum_field_types field_type,
685
const charset_info_st * field_charset,
659
const CHARSET_INFO * field_charset,
686
660
Field::utype unireg_check,
687
661
TYPELIB *interval,
688
662
const char *field_name);
690
Field *make_field(const message::Table::Field &pfield,
692
uint32_t field_length,
694
unsigned char *null_pos,
695
unsigned char null_bit,
697
enum_field_types field_type,
698
const charset_info_st * field_charset,
699
Field::utype unireg_check,
701
const char *field_name,
705
int open_table_def(Session& session, const identifier::Table &identifier);
664
int open_table_def(Session& session, const TableIdentifier &identifier);
707
666
int open_table_from_share(Session *session,
708
const identifier::Table &identifier,
667
const TableIdentifier &identifier,
709
668
const char *alias,
710
669
uint32_t db_stat, uint32_t ha_open_flags,
711
670
Table &outparam);
714
673
const char *alias,
715
674
uint32_t db_stat,
716
675
Table &outparam);
717
int open_table_cursor_inner(const identifier::Table &identifier,
676
int open_table_cursor_inner(const TableIdentifier &identifier,
718
677
uint32_t db_stat, uint32_t ha_open_flags,
720
679
bool &error_reported);
722
bool parse_table_proto(Session& session, message::Table &table);
724
virtual bool replicate() const
681
int parse_table_proto(Session& session, message::Table &table);
683
int inner_parse_table_proto(Session& session, message::Table &table);
730
686
} /* namespace drizzled */
732
#endif /* DRIZZLED_TABLE_INSTANCE_BASE_H */
688
#endif /* DRIZZLED_DEFINITION_TABLE_H */