diff options
Diffstat (limited to 'sql/log_event.cc')
| -rw-r--r-- | sql/log_event.cc | 106 |
1 files changed, 90 insertions, 16 deletions
diff --git a/sql/log_event.cc b/sql/log_event.cc index 90885315ce1..3db7929331d 100644 --- a/sql/log_event.cc +++ b/sql/log_event.cc @@ -1673,7 +1673,7 @@ beg: precision, decimals); return bin_size; } - + case MYSQL_TYPE_FLOAT: { float fl; @@ -2306,6 +2306,53 @@ bool Query_log_event::write(IO_CACHE* file) start+= 4; } + if (thd && thd->is_current_user_used()) + { + LEX_STRING user; + LEX_STRING host; + memset(&user, 0, sizeof(user)); + memset(&host, 0, sizeof(host)); + + if (thd->slave_thread && thd->has_invoker()) + { + /* user will be null, if master is older than this patch */ + user= thd->get_invoker_user(); + host= thd->get_invoker_host(); + } + else if (thd->security_ctx->priv_user) + { + Security_context *ctx= thd->security_ctx; + + user.length= strlen(ctx->priv_user); + user.str= ctx->priv_user; + if (ctx->priv_host[0] != '\0') + { + host.str= ctx->priv_host; + host.length= strlen(ctx->priv_host); + } + } + + if (user.length > 0) + { + *start++= Q_INVOKER; + + /* + Store user length and user. The max length of use is 16, so 1 byte is + enough to store the user's length. + */ + *start++= (uchar)user.length; + memcpy(start, user.str, user.length); + start+= user.length; + + /* + Store host length and host. The max length of host is 60, so 1 byte is + enough to store the host's length. + */ + *start++= (uchar)host.length; + memcpy(start, host.str, host.length); + start+= host.length; + } + } /* NOTE: When adding new status vars, please don't forget to update the MAX_SIZE_LOG_EVENT_STATUS in log_event.h and update the function @@ -2348,6 +2395,8 @@ bool Query_log_event::write(IO_CACHE* file) Query_log_event::Query_log_event() :Log_event(), data_buf(0) { + memset(&user, 0, sizeof(user)); + memset(&host, 0, sizeof(host)); } @@ -2390,6 +2439,9 @@ Query_log_event::Query_log_event(THD* thd_arg, const char* query_arg, { time_t end_time; + memset(&user, 0, sizeof(user)); + memset(&host, 0, sizeof(host)); + error_code= errcode; time(&end_time); @@ -2574,6 +2626,8 @@ Query_log_event::Query_log_event(const char* buf, uint event_len, bool catalog_nz= 1; DBUG_ENTER("Query_log_event::Query_log_event(char*,...)"); + memset(&user, 0, sizeof(user)); + memset(&host, 0, sizeof(host)); common_header_len= description_event->common_header_len; post_header_len= description_event->post_header_len[event_type-1]; DBUG_PRINT("info",("event_len: %u common_header_len: %d post_header_len: %d", @@ -2728,6 +2782,20 @@ Query_log_event::Query_log_event(const char* buf, uint event_len, data_written= master_data_written= uint4korr(pos); pos+= 4; break; + case Q_INVOKER: + { + CHECK_SPACE(pos, end, 1); + user.length= *pos++; + CHECK_SPACE(pos, end, user.length); + user.str= (char *)pos; + pos+= user.length; + + CHECK_SPACE(pos, end, 1); + host.length= *pos++; + CHECK_SPACE(pos, end, host.length); + host.str= (char *)pos; + pos+= host.length; + } default: /* That's why you must write status vars in growing order of code */ DBUG_PRINT("info",("Query_log_event has unknown status vars (first has\ @@ -2741,12 +2809,16 @@ Query_log_event::Query_log_event(const char* buf, uint event_len, time_zone_len + 1 + data_len + 1 + QUERY_CACHE_FLAGS_SIZE + + user.length + 1 + + host.length + 1 + db_len + 1, MYF(MY_WME)))) #else if (!(start= data_buf = (Log_event::Byte*) my_malloc(catalog_len + 1 + time_zone_len + 1 + - data_len + 1, + data_len + 1 + + user.length + 1 + + host.length + 1, MYF(MY_WME)))) #endif DBUG_VOID_RETURN; @@ -2769,6 +2841,11 @@ Query_log_event::Query_log_event(const char* buf, uint event_len, if (time_zone_len) copy_str_and_move(&time_zone_str, &start, time_zone_len); + if (user.length > 0) + copy_str_and_move((const char **)&(user.str), &start, user.length); + if (host.length > 0) + copy_str_and_move((const char **)&(host.str), &start, host.length); + /** if time_zone_len or catalog_len are 0, then time_zone and catalog are uninitialized at this point. shouldn't they point to the @@ -2904,7 +2981,7 @@ void Query_log_event::print_query_header(IO_CACHE* file, if (likely(charset_inited) && (unlikely(!print_event_info->charset_inited || - bcmp((uchar*) print_event_info->charset, (uchar*) charset, 6)))) + memcmp(print_event_info->charset, charset, 6)))) { CHARSET_INFO *cs_info= get_charset(uint2korr(charset), MYF(MY_WME)); if (cs_info) @@ -2927,8 +3004,8 @@ void Query_log_event::print_query_header(IO_CACHE* file, } if (time_zone_len) { - if (bcmp((uchar*) print_event_info->time_zone_str, - (uchar*) time_zone_str, time_zone_len+1)) + if (memcmp(print_event_info->time_zone_str, + time_zone_str, time_zone_len+1)) { my_b_printf(file,"SET @@session.time_zone='%s'%s\n", time_zone_str, print_event_info->delimiter); @@ -3177,7 +3254,7 @@ int Query_log_event::do_apply_event(Relay_log_info const *rli, thd->variables.collation_database= thd->db_charset; thd->table_map_for_update= (table_map)table_map_for_update; - + thd->set_invoker(&user, &host); /* Execute the query (note that we bypass dispatch_command()) */ const char* found_semicolon= NULL; mysql_parse(thd, thd->query(), thd->query_length(), &found_semicolon); @@ -5588,7 +5665,7 @@ void User_var_log_event::print(FILE* file, PRINT_EVENT_INFO* print_event_info) double real_val; char real_buf[FMT_G_BUFSIZE(14)]; float8get(real_val, val); - my_sprintf(real_buf, (real_buf, "%.14g", real_val)); + sprintf(real_buf, "%.14g", real_val); my_b_printf(&cache, ":=%s%s\n", real_buf, print_event_info->delimiter); break; case INT_RESULT: @@ -7505,8 +7582,7 @@ int Rows_log_event::do_apply_event(Relay_log_info const *rli) { int actual_error= convert_handler_error(error, thd, table); bool idempotent_error= (idempotent_error_code(error) && - ((bit_is_set(slave_exec_mode, - SLAVE_EXEC_MODE_IDEMPOTENT)) == 1)); + (slave_exec_mode & SLAVE_EXEC_MODE_IDEMPOTENT)); bool ignored_error= (idempotent_error == 0 ? ignored_error_code(actual_error) : 0); @@ -8334,7 +8410,7 @@ Write_rows_log_event::do_before_row_operations(const Slave_reporting_capability todo: to introduce a property for the event (handler?) which forces applying the event in the replace (idempotent) fashion. */ - if (bit_is_set(slave_exec_mode, SLAVE_EXEC_MODE_IDEMPOTENT) == 1 || + if ((slave_exec_mode & SLAVE_EXEC_MODE_IDEMPOTENT) || m_table->s->db_type()->db_type == DB_TYPE_NDBCLUSTER) { /* @@ -8413,7 +8489,7 @@ Write_rows_log_event::do_after_row_operations(const Slave_reporting_capability * int local_error= 0; m_table->next_number_field=0; m_table->auto_increment_field_not_null= FALSE; - if (bit_is_set(slave_exec_mode, SLAVE_EXEC_MODE_IDEMPOTENT) == 1 || + if ((slave_exec_mode & SLAVE_EXEC_MODE_IDEMPOTENT) || m_table->s->db_type()->db_type == DB_TYPE_NDBCLUSTER) { m_table->file->extra(HA_EXTRA_NO_IGNORE_DUP_KEY); @@ -8516,7 +8592,7 @@ Rows_log_event::write_row(const Relay_log_info *const rli, TABLE *table= m_table; // pointer to event's table int error; - int keynum; + int UNINIT_VAR(keynum); auto_afree_ptr<char> key(NULL); /* fill table->record[0] with default values */ @@ -8714,10 +8790,8 @@ int Write_rows_log_event::do_exec_row(const Relay_log_info *const rli) { DBUG_ASSERT(m_table != NULL); - int error= - write_row(rli, /* if 1 then overwrite */ - bit_is_set(slave_exec_mode, SLAVE_EXEC_MODE_IDEMPOTENT) == 1); - + int error= write_row(rli, (slave_exec_mode & SLAVE_EXEC_MODE_IDEMPOTENT)); + if (error && !thd->is_error()) { DBUG_ASSERT(0); |