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MDEV-17841 S3 storage engine

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A read-only storage engine that stores it's data in (aws) S3

To store data in S3 one could use ALTER TABLE:
ALTER TABLE table_name ENGINE=S3

libmarias3 integration done by Sergei Golubchik
libmarias3 created by Andrew Hutchings
This commit is contained in:
Monty
2019-04-15 18:16:02 +03:00
parent 2ca2dcac6a
commit ab38b7511b
66 changed files with 4392 additions and 214 deletions
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22
include/my_pthread.h
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@@ -717,22 +717,34 @@ extern void my_mutex_end(void);
#define INSTRUMENT_ME 0
/*
Thread specific variables
Aria key cache is using the following variables for keeping track of
state:
suspend, next, prev, keycache_link, keycache_file, suspend, lock_type
MariaDB uses the following to
mutex, current_mutex, current_cond, abort
*/
struct st_my_thread_var
{
int thr_errno;
mysql_cond_t suspend;
mysql_mutex_t mutex;
struct st_my_thread_var *next,**prev;
mysql_mutex_t * volatile current_mutex;
mysql_cond_t * volatile current_cond;
void *keycache_link;
void *keycache_file;
void *stack_ends_here;
safe_mutex_t *mutex_in_use;
pthread_t pthread_self;
my_thread_id id, dbug_id;
int volatile abort;
uint lock_type; /* used by conditional release the queue */
my_bool init;
struct st_my_thread_var *next,**prev;
void *keycache_link;
uint lock_type; /* used by conditional release the queue */
void *stack_ends_here;
safe_mutex_t *mutex_in_use;
#ifndef DBUG_OFF
void *dbug;
char name[THREAD_NAME_SIZE+1];