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Galera4

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This commit is contained in:
Brave Galera Crew
2019-01-23 15:30:00 +04:00
committed by Sergey Vojtovich
parent 382115b992
commit 36a2a185fe
791 changed files with 28035 additions and 8865 deletions
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99
sql/item_strfunc.cc
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@@ -5264,3 +5264,102 @@ String *Item_temptable_rowid::val_str(String *str)
str_value.set((char*)(table->file->ref), max_length, &my_charset_bin);
return &str_value;
}
#ifdef WITH_WSREP
#include "wsrep_mysqld.h"
String *Item_func_wsrep_last_written_gtid::val_str_ascii(String *str)
{
wsrep::gtid gtid= current_thd->wsrep_cs().last_written_gtid();
if (gtid_str.alloc(wsrep::gtid_c_str_len()))
{
my_error(ER_OUTOFMEMORY, wsrep::gtid_c_str_len());
null_value= true;
return NULL;
}
ssize_t gtid_len= gtid_print_to_c_str(gtid, (char*) gtid_str.ptr(),
wsrep::gtid_c_str_len());
if (gtid_len < 0)
{
my_error(ER_ERROR_WHEN_EXECUTING_COMMAND, MYF(0), func_name(),
"wsrep_gtid_print failed");
null_value= true;
return NULL;
}
gtid_str.length(gtid_len);
return &gtid_str;
}
String *Item_func_wsrep_last_seen_gtid::val_str_ascii(String *str)
{
/* TODO: Should call Wsrep_server_state.instance().last_committed_gtid()
instead. */
wsrep::gtid gtid= Wsrep_server_state::instance().provider().last_committed_gtid();
if (gtid_str.alloc(wsrep::gtid_c_str_len()))
{
my_error(ER_OUTOFMEMORY, wsrep::gtid_c_str_len());
null_value= true;
return NULL;
}
ssize_t gtid_len= wsrep::gtid_print_to_c_str(gtid, (char*) gtid_str.ptr(),
wsrep::gtid_c_str_len());
if (gtid_len < 0)
{
my_error(ER_ERROR_WHEN_EXECUTING_COMMAND, MYF(0), func_name(),
"wsrep_gtid_print failed");
null_value= true;
return NULL;
}
gtid_str.length(gtid_len);
return &gtid_str;
}
longlong Item_func_wsrep_sync_wait_upto::val_int()
{
int timeout= -1;
String* gtid_str= args[0]->val_str(&value);
if (gtid_str == NULL)
{
my_error(ER_WRONG_ARGUMENTS, MYF(0), func_name());
return 0LL;
}
if (arg_count == 2)
{
timeout= args[1]->val_int();
}
wsrep_gtid_t gtid;
int gtid_len= wsrep_gtid_scan(gtid_str->ptr(), gtid_str->length(), &gtid);
if (gtid_len < 0)
{
my_error(ER_WRONG_ARGUMENTS, MYF(0), func_name());
return 0LL;
}
if (gtid.seqno == WSREP_SEQNO_UNDEFINED &&
wsrep_uuid_compare(&gtid.uuid, &WSREP_UUID_UNDEFINED) == 0)
{
return 1LL;
}
enum wsrep::provider::status status=
wsrep_sync_wait_upto(current_thd, &gtid, timeout);
if (status)
{
int err;
switch (status) {
case wsrep::provider::error_transaction_missing:
err= ER_WRONG_ARGUMENTS;
break;
default:
err= ER_LOCK_WAIT_TIMEOUT;
}
my_error(err, MYF(0), func_name());
return 0LL;
}
return 1LL;
}
#endif /* WITH_WSREP */