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authorunknown <tomas@poseidon.ndb.mysql.com>2005-10-06 10:54:07 +0200
committerunknown <tomas@poseidon.ndb.mysql.com>2005-10-06 10:54:07 +0200
commitd04832d195aba5badc42310eaa69c628a4a183bd (patch)
treecbe58ba165511396b212afaa1654a226d8ae88a4 /sql/handler.h
parent282855e90bf052e2cf126adfaada61924cd8dd41 (diff)
parent3c2dca475dfa91c95f2488831fafacacaf852347 (diff)
downloadmariadb-git-d04832d195aba5badc42310eaa69c628a4a183bd.tar.gz
Merge
BitKeeper/etc/ignore: auto-union BUILD/autorun.sh: Auto merged BitKeeper/deleted/.del-bdb.vcproj~ed8534936e40cefb: Auto merged BitKeeper/deleted/.del-heap.vcproj~70c0cc1d680a51c1: Auto merged BitKeeper/deleted/.del-innobase.vcproj~71e1de81f11138bf: Auto merged BitKeeper/deleted/.del-myisam.vcproj~32bb9e4a163fcb5a: Auto merged BitKeeper/deleted/.del-myisammrg.vcproj~6534e59acbfbb63: Auto merged BitKeeper/deleted/.del-mysqld.vcproj~703886a28862bb2: Auto merged Makefile.am: Auto merged client/mysqltest.c: Auto merged include/my_global.h: Auto merged include/mysql_com.h: Auto merged mysql-test/mysql-test-run.pl: Auto merged mysql-test/r/ndb_alter_table.result: Auto merged mysql-test/r/ps_6bdb.result: Auto merged mysql-test/r/ps_7ndb.result: Auto merged mysql-test/t/query_cache.test: Auto merged mysys/default.c: Auto merged scripts/make_win_src_distribution.sh: Auto merged scripts/mysql_create_system_tables.sh: Auto merged scripts/mysql_fix_privilege_tables.sql: Auto merged sql/Makefile.am: Auto merged sql/field.cc: Auto merged sql/ha_berkeley.cc: Auto merged sql/ha_berkeley.h: Auto merged sql/ha_federated.cc: Auto merged sql/ha_heap.cc: Auto merged sql/ha_innodb.cc: Auto merged sql/ha_innodb.h: Auto merged sql/ha_myisam.cc: Auto merged sql/ha_myisammrg.cc: Auto merged sql/ha_ndbcluster.h: Auto merged sql/handler.cc: Auto merged sql/item.cc: Auto merged sql/item_subselect.cc: Auto merged sql/log.cc: Auto merged sql/mysql_priv.h: Auto merged sql/opt_sum.cc: Auto merged sql/repl_failsafe.cc: Auto merged sql/set_var.cc: Auto merged sql/sp.cc: Auto merged sql/sql_acl.cc: Auto merged sql/sql_acl.h: Auto merged sql/sql_base.cc: Auto merged sql/sql_cache.cc: Auto merged sql/sql_class.h: Auto merged sql/sql_delete.cc: Auto merged sql/sql_insert.cc: Auto merged sql/sql_lex.cc: Auto merged sql/sql_lex.h: Auto merged sql/sql_load.cc: Auto merged sql/sql_prepare.cc: Auto merged sql/sql_select.cc: Auto merged sql/sql_select.h: Auto merged sql/sql_show.cc: Auto merged sql/sql_table.cc: Auto merged sql/sql_update.cc: Auto merged sql/sql_yacc.yy: Auto merged sql/table.h: Auto merged sql/unireg.cc: Auto merged storage/innobase/buf/buf0buf.c: Auto merged storage/innobase/buf/buf0flu.c: Auto merged storage/innobase/data/data0data.c: Auto merged storage/innobase/dict/dict0dict.c: Auto merged storage/innobase/include/btr0btr.h: Auto merged storage/innobase/include/data0type.ic: Auto merged storage/innobase/include/dict0dict.h: Auto merged storage/innobase/include/dict0mem.h: Auto merged storage/innobase/include/mem0mem.h: Auto merged storage/innobase/include/mem0mem.ic: Auto merged storage/innobase/include/os0file.h: Auto merged storage/innobase/include/row0mysql.h: Auto merged storage/innobase/include/trx0trx.h: Auto merged storage/innobase/include/ut0mem.h: Auto merged storage/innobase/mem/mem0mem.c: Auto merged storage/innobase/os/os0file.c: Auto merged storage/innobase/os/os0proc.c: Auto merged storage/innobase/rem/rem0rec.c: Auto merged storage/innobase/row/row0ins.c: Auto merged storage/innobase/row/row0mysql.c: Auto merged storage/innobase/srv/srv0start.c: Auto merged storage/innobase/trx/trx0sys.c: Auto merged storage/innobase/trx/trx0trx.c: Auto merged storage/innobase/ut/ut0mem.c: Auto merged storage/myisam/ft_boolean_search.c: Auto merged storage/myisam/mi_check.c: Auto merged storage/myisam/mi_dbug.c: Auto merged storage/myisam/mi_delete.c: Auto merged storage/myisam/mi_delete_all.c: Auto merged storage/myisam/mi_key.c: Auto merged storage/myisam/mi_open.c: Auto merged storage/myisam/mi_rkey.c: Auto merged storage/myisam/mi_search.c: Auto merged storage/myisam/mi_test1.c: Auto merged storage/myisam/mi_update.c: Auto merged storage/myisam/mi_write.c: Auto merged storage/myisam/myisamchk.c: Auto merged storage/myisam/myisamdef.h: Auto merged storage/myisam/myisampack.c: Auto merged storage/myisam/sp_key.c: Auto merged storage/myisammrg/myrg_rkey.c: Auto merged storage/ndb/include/kernel/GlobalSignalNumbers.h: Auto merged storage/ndb/include/kernel/signaldata/ApiVersion.hpp: Auto merged storage/ndb/include/kernel/signaldata/EventReport.hpp: Auto merged storage/ndb/include/kernel/signaldata/StopReq.hpp: Auto merged storage/ndb/include/mgmapi/ndb_logevent.h: Auto merged storage/ndb/include/ndbapi/NdbBlob.hpp: Auto merged storage/ndb/include/ndbapi/NdbIndexOperation.hpp: Auto merged storage/ndb/include/ndbapi/NdbIndexScanOperation.hpp: Auto merged storage/ndb/include/ndbapi/NdbOperation.hpp: Auto merged storage/ndb/include/ndbapi/NdbRecAttr.hpp: Auto merged storage/ndb/include/ndbapi/NdbTransaction.hpp: Auto merged storage/ndb/src/common/util/SimpleProperties.cpp: Auto merged storage/ndb/src/kernel/blocks/backup/Backup.cpp: Auto merged storage/ndb/src/kernel/blocks/dbdict/Dbdict.cpp: Auto merged storage/ndb/src/kernel/blocks/dbdict/printSchemaFile.cpp: Auto merged storage/ndb/src/kernel/blocks/dbtup/Dbtup.hpp: Auto merged storage/ndb/src/kernel/blocks/dbtup/DbtupRoutines.cpp: Auto merged storage/ndb/src/kernel/blocks/dbtup/DbtupTrigger.cpp: Auto merged storage/ndb/src/kernel/blocks/ndbcntr/NdbcntrMain.cpp: Auto merged storage/ndb/src/kernel/blocks/qmgr/QmgrMain.cpp: Auto merged storage/ndb/src/mgmapi/ndb_logevent.cpp: Auto merged storage/ndb/src/mgmclient/CommandInterpreter.cpp: Auto merged storage/ndb/src/mgmsrv/Config.cpp: Auto merged storage/ndb/src/mgmsrv/Config.hpp: Auto merged storage/ndb/src/mgmsrv/ConfigInfo.cpp: Auto merged storage/ndb/src/mgmsrv/InitConfigFileParser.cpp: Auto merged storage/ndb/src/mgmsrv/InitConfigFileParser.hpp: Auto merged storage/ndb/src/mgmsrv/MgmtSrvr.hpp: Auto merged storage/ndb/src/mgmsrv/MgmtSrvrConfig.cpp: Auto merged storage/ndb/src/mgmsrv/MgmtSrvrGeneralSignalHandling.cpp: Auto merged storage/ndb/src/mgmsrv/Services.cpp: Auto merged storage/ndb/src/mgmsrv/Services.hpp: Auto merged storage/ndb/src/mgmsrv/main.cpp: Auto merged storage/ndb/src/ndbapi/NdbApiSignal.cpp: Auto merged storage/ndb/src/ndbapi/NdbApiSignal.hpp: Auto merged storage/ndb/src/ndbapi/NdbBlob.cpp: Auto merged storage/ndb/src/ndbapi/NdbImpl.hpp: Auto merged storage/ndb/src/ndbapi/NdbRecAttr.cpp: Auto merged storage/ndb/src/ndbapi/NdbUtil.cpp: Auto merged storage/ndb/src/ndbapi/NdbUtil.hpp: Auto merged storage/ndb/src/ndbapi/Ndbif.cpp: Auto merged storage/ndb/src/ndbapi/Ndblist.cpp: Auto merged storage/ndb/src/ndbapi/ObjectMap.hpp: Auto merged storage/ndb/test/include/NDBT_Test.hpp: Auto merged storage/ndb/test/ndbapi/bank/BankLoad.cpp: Auto merged storage/ndb/test/ndbapi/testOIBasic.cpp: Auto merged storage/ndb/test/src/HugoCalculator.cpp: Auto merged storage/ndb/test/src/NDBT_Test.cpp: Auto merged storage/ndb/test/src/NdbBackup.cpp: Auto merged storage/ndb/test/src/NdbRestarts.cpp: Auto merged storage/ndb/tools/ndb_condig.cpp: Auto merged storage/ndb/tools/restore/Restore.cpp: Auto merged storage/ndb/tools/restore/consumer_restore.cpp: Auto merged support-files/mysql.spec.sh: Auto merged configure.in: merge BUILD/SETUP.sh: merge BitKeeper/deleted/.del-mysql.sln~f2120278f8a437be: SCCS merged libmysqld/Makefile.am: merge sql/ha_ndbcluster.cc: merge sql/handler.h: merge sql/mysqld.cc: merge sql/opt_range.cc: merge sql/slave.cc: merge sql/slave.h: e merge sql/sql_parse.cc: merge sql/table.cc: merge sql/examples/ha_tina.cc: merge sql/examples/ha_tina.h: merge sql/share/errmsg.txt: merge storage/ndb/include/ndbapi/Ndb.hpp: merge storage/ndb/src/common/debugger/EventLogger.cpp: merge storage/ndb/src/kernel/blocks/dbdict/Makefile.am: merge storage/ndb/src/mgmsrv/MgmtSrvr.cpp: merge storage/ndb/src/ndbapi/Ndbinit.cpp: SCCS merged
Diffstat (limited to 'sql/handler.h')
-rw-r--r--sql/handler.h69
1 files changed, 50 insertions, 19 deletions
diff --git a/sql/handler.h b/sql/handler.h
index bd935da2a80..2347c03ae2d 100644
--- a/sql/handler.h
+++ b/sql/handler.h
@@ -107,6 +107,13 @@
#define HA_ONLINE_ADD_EMPTY_PARTITION 1
#define HA_ONLINE_DROP_PARTITION 2
+/*
+ Index scan will not return records in rowid order. Not guaranteed to be
+ set for unordered (e.g. HASH) indexes.
+*/
+#define HA_KEY_SCAN_NOT_ROR 128
+
+
/* operations for disable/enable indexes */
#define HA_KEY_SWITCH_NONUNIQ 0
#define HA_KEY_SWITCH_ALL 1
@@ -187,13 +194,6 @@ enum db_type
DB_TYPE_DEFAULT // Must be last
};
-struct show_table_type_st {
- const char *type;
- SHOW_COMP_OPTION *value;
- const char *comment;
- enum db_type db_type;
-};
-
enum row_type { ROW_TYPE_NOT_USED=-1, ROW_TYPE_DEFAULT, ROW_TYPE_FIXED,
ROW_TYPE_DYNAMIC, ROW_TYPE_COMPRESSED,
ROW_TYPE_REDUNDANT, ROW_TYPE_COMPACT };
@@ -241,7 +241,7 @@ struct xid_t {
char data[XIDDATASIZE]; // not \0-terminated !
bool eq(struct xid_t *xid)
- { return !memcmp(this, xid, length()); }
+ { return eq(xid->gtrid_length, xid->bqual_length, xid->data); }
bool eq(long g, long b, const char *d)
{ return g == gtrid_length && b == bqual_length && !memcmp(d, data, g+b); }
void set(struct xid_t *xid)
@@ -289,6 +289,14 @@ struct xid_t {
return sizeof(formatID)+sizeof(gtrid_length)+sizeof(bqual_length)+
gtrid_length+bqual_length;
}
+ byte *key()
+ {
+ return (byte *)&gtrid_length;
+ }
+ uint key_length()
+ {
+ return sizeof(gtrid_length)+sizeof(bqual_length)+gtrid_length+bqual_length;
+ }
};
typedef struct xid_t XID;
@@ -317,6 +325,27 @@ typedef struct
storage engine name as it should be printed to a user
*/
const char *name;
+
+ /*
+ Historical marker for if the engine is available of not
+ */
+ SHOW_COMP_OPTION state;
+
+ /*
+ A comment used by SHOW to describe an engine.
+ */
+ const char *comment;
+
+ /*
+ Historical number used for frm file to determine the correct storage engine.
+ This is going away and new engines will just use "name" for this.
+ */
+ enum db_type db_type;
+ /*
+ Method that initizlizes a storage engine
+ */
+ bool (*init)();
+
/*
each storage engine has it's own memory area (actually a pointer)
in the thd, for storing per-connection information.
@@ -376,9 +405,16 @@ typedef struct
uint32 flags; /* global handler flags */
} handlerton;
+struct show_table_alias_st {
+ const char *alias;
+ const char *type;
+};
+
/* Possible flags of a handlerton */
-#define HTON_NO_FLAGS 0
-#define HTON_CLOSE_CURSORS_AT_COMMIT 1
+#define HTON_NO_FLAGS 0
+#define HTON_CLOSE_CURSORS_AT_COMMIT (1 << 0)
+#define HTON_ALTER_NOT_SUPPORTED (1 << 1)
+#define HTON_CAN_RECREATE (1 << 2)
typedef struct st_thd_trans
{
@@ -1121,7 +1157,7 @@ public:
{ return extra(operation); }
virtual int external_lock(THD *thd, int lock_type) { return 0; }
virtual void unlock_row() {}
- virtual int start_stmt(THD *thd) {return 0;}
+ virtual int start_stmt(THD *thd, thr_lock_type lock_type) {return 0;}
/*
This is called to delete all rows in a table
If the handler don't support this, then this function will
@@ -1338,10 +1374,10 @@ public:
/* Some extern variables used with handlers */
-extern struct show_table_type_st sys_table_types[];
+extern handlerton *sys_table_types[];
extern const char *ha_row_type[];
extern TYPELIB tx_isolation_typelib;
-extern handlerton *handlertons[MAX_HA];
+extern TYPELIB myisam_stats_method_typelib;
extern ulong total_ha, total_ha_2pc;
/* Wrapper functions */
@@ -1350,18 +1386,13 @@ extern ulong total_ha, total_ha_2pc;
#define ha_commit(thd) (ha_commit_trans((thd), TRUE))
#define ha_rollback(thd) (ha_rollback_trans((thd), TRUE))
-#define ha_supports_generate(T) (T != DB_TYPE_INNODB && \
- T != DB_TYPE_BERKELEY_DB && \
- T != DB_TYPE_ARCHIVE_DB && \
- T != DB_TYPE_FEDERATED_DB && \
- T != DB_TYPE_NDBCLUSTER)
-
/* lookups */
enum db_type ha_resolve_by_name(const char *name, uint namelen);
const char *ha_get_storage_engine(enum db_type db_type);
handler *get_new_handler(TABLE *table, enum db_type db_type);
enum db_type ha_checktype(THD *thd, enum db_type database_type,
bool no_substitute, bool report_error);
+bool ha_check_storage_engine_flag(enum db_type db_type, uint32 flag);
/* basic stuff */
int ha_init(void);