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MXS-770: PURGE BINARY LOGS, minor improvements.

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PURGE BINARY LOGS, minor improvements.
This commit is contained in:
MassimilianoPinto
2017-08-07 09:15:43 +02:00
parent 113d2ad87a
commit a9b0eb791b
1 changed files with 11 additions and 12 deletions
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23
server/modules/routing/binlogrouter/blr_slave.c
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@ -8192,7 +8192,6 @@ blr_show_binary_logs(ROUTER_INSTANCE *router,
"server_id, "
"binlog_file "
"ORDER BY id ASC;";
static char sql_stmt[GTID_SQL_BUFFER_SIZE];
int seqno;
char *errmsg = NULL;
BINARY_LOG_DATA_RESULT result = {};
@ -8639,16 +8638,16 @@ static int binary_logs_purge_cb(void *data,
* or NULL in case of parse errors.
*/
static const char *blr_purge_getfile(char *purge_command,
const char *last_file)
const char *last_file)
{
char *word;
char *brkb;
char *sep = " \t";
const char *sep = " \t";
word = strtok_r(purge_command, sep, &brkb);
// Check BINARY
if (strcasecmp(word, "BINARY") != 0)
if (strcasecmp(word, "BINARY") != 0)
{
MXS_ERROR("Invalid PURGE command: PURGE %s", word);
return NULL;
@ -8724,7 +8723,7 @@ blr_purge_binary_logs(ROUTER_INSTANCE *router,
char *errmsg = NULL;
size_t n_delete = 0;
// Select first ROWID of current binlog file
static const char last_file_tpl[] = "SELECT MIN(ROWID) AS min_id, "
static const char last_file_tpl[] = "SELECT MIN(id) AS min_id, "
"(rep_domain || '/' || "
"server_id || '/' || "
"binlog_file) AS file "
@ -8733,25 +8732,25 @@ blr_purge_binary_logs(ROUTER_INSTANCE *router,
"GROUP BY file "
"ORDER BY id ASC;";
// Select first ROWID of user specifed file
static const char find_file_tpl[] = "SELECT MIN(ROWID) AS min_id, "
static const char find_file_tpl[] = "SELECT MIN(id) AS min_id, "
"(rep_domain || '/' || "
"server_id || '/' || "
"binlog_file) AS file "
"FROM gtid_maps "
"WHERE binlog_file = '%s' "
"GROUP BY binlog_file "
"ORDER BY binlog_file ASC;";
"ORDER BY id ASC;";
// SELECT files with ROWID < given one and DELETE
static const char delete_list_tpl[] = "SELECT binlog_file, "
"(rep_domain || '/' || "
"server_id || '/' || "
"binlog_file) AS file "
"FROM gtid_maps "
"WHERE ROWID < %" PRIu64 " "
"WHERE id < %" PRIu64 " "
"GROUP BY file "
"ORDER BY id ASC; "
"DELETE FROM gtid_maps "
"WHERE ROWID < %" PRIu64 ";";
"WHERE id < %" PRIu64 ";";
static char sql_stmt[GTID_SQL_BUFFER_SIZE];
BINARY_LOG_DATA_RESULT result;
static const char *last_file;
@ -8793,10 +8792,10 @@ blr_purge_binary_logs(ROUTER_INSTANCE *router,
/* Release lock */
spinlock_release(&router->binlog_lock);
/**
* Prepare SQL statement for last file ROWID o find_file ROWID
*/
* Prepare SQL statement for last file ROWID or find_file ROWID
*/
if (use_last)
{
/* Use current file, with prefix */