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MariaDB 10 optional compatibility

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MariaDB 10 optional compatibility with mariadb10-compatibility=1
This commit is contained in:
MassimilianoPinto
2015-05-07 15:16:37 +02:00
parent 8afa46b8b2
commit e9391ef486
3 changed files with 68 additions and 53 deletions
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10
server/modules/include/blr.h
View File

@ -233,7 +233,7 @@ typedef struct {
GWBUF *selectvercom; /*< select @@version_comment */
GWBUF *selecthostname;/*< select @@hostname */
GWBUF *map; /*< select @@max_allowed_packet */
GWBUF *mariadb10; /*< set @mariadb_slave_capability=4 */
GWBUF *mariadb10; /*< set @mariadb_slave_capability */
uint8_t *fde_event; /*< Format Description Event */
int fde_len; /*< Length of fde_event */
} MASTER_RESPONSES;
@ -252,7 +252,7 @@ typedef struct router_instance {
char *user; /*< User name to use with master */
char *password; /*< Password to use with master */
char *fileroot; /*< Root of binlog filename */
bool master_chksum;/*< Does the master provide checksums */
bool master_chksum; /*< Does the master provide checksums */
bool mariadb10_compat; /*< MariaDB 10.0 compatibility */
char *master_uuid; /*< UUID of the master */
DCB *master; /*< DCB for master connection */
@ -289,8 +289,7 @@ typedef struct router_instance {
int retry_backoff;
time_t connect_time;
int handling_threads;
struct router_instance
*next;
struct router_instance *next;
} ROUTER_INSTANCE;
/**
@ -317,6 +316,7 @@ typedef struct router_instance {
#define BLRM_REGISTER 0x0012
#define BLRM_BINLOGDUMP 0x0013
#define BLRM_MARIADB10 0x0014
#define BLRM_MAXSTATE 0x0014
static char *blrm_states[] = { "Unconnected", "Connecting", "Authenticated", "Timestamp retrieval",
@ -324,7 +324,7 @@ static char *blrm_states[] = { "Unconnected", "Connecting", "Authenticated", "Ti
"binlog checksum rerieval", "GTID Mode retrieval", "Master UUID retrieval",
"Set Slave UUID", "Set Names latin1", "Set Names utf8", "select 1",
"select version()", "select @@version_comment", "select @@hostname",
"select @@mx_allowed_packet", "Register slave", "Binlog Dump","Set MariaDB slave capability" };
"select @@mx_allowed_packet", "Register slave", "Binlog Dump", "Set MariaDB slave capability" };
#define BLRS_CREATED 0x0000
#define BLRS_UNREGISTERED 0x0001

17
server/modules/routing/binlog/blr_master.c
View File

@ -448,12 +448,27 @@ char query[128];
GWBUF_CONSUME_ALL(router->saved_master.chksum2);
router->saved_master.chksum2 = buf;
blr_cache_response(router, "chksum2", buf);
//buf = blr_make_query("SELECT @@GLOBAL.GTID_MODE");
if (router->mariadb10_compat) {
buf = blr_make_query("SET @mariadb_slave_capability=4");
router->master_state = BLRM_MARIADB10;
} else {
buf = blr_make_query("SELECT @@GLOBAL.GTID_MODE");
router->master_state = BLRM_GTIDMODE;
}
router->master->func.write(router->master, buf);
break;
}
case BLRM_MARIADB10:
// Response to the SET @mariadb_slave_capability=4, should be stored
if (router->saved_master.mariadb10)
GWBUF_CONSUME_ALL(router->saved_master.mariadb10);
router->saved_master.mariadb10 = buf;
blr_cache_response(router, "mariadb10", buf);
buf = blr_make_registration(router);
router->master_state = BLRM_REGISTER;
router->master->func.write(router->master, buf);
break;
case BLRM_GTIDMODE:
// Response to the GTID_MODE, should be stored
if (router->saved_master.gtid_mode)

4
server/modules/routing/binlog/blr_slave.c
View File

@ -369,8 +369,8 @@ int query_len;
else if (strcasecmp(word, "@mariadb_slave_capability") == 0)
{
free(query_text);
return blr_slave_replay(router, slave, router->saved_master.gtid_mode);
//return blr_slave_send_ok(router, slave);
if (router->mariadb10_compat)
return blr_slave_replay(router, slave, router->saved_master.mariadb10);
}
else if (strcasecmp(word, "@master_binlog_checksum") == 0)
{