diff options
Diffstat (limited to 'sql/sql_parse.cc')
| -rw-r--r-- | sql/sql_parse.cc | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/sql/sql_parse.cc b/sql/sql_parse.cc index 6202b9d888a..81eedf493a2 100644 --- a/sql/sql_parse.cc +++ b/sql/sql_parse.cc @@ -328,6 +328,7 @@ void init_update_queries(void) sql_command_flags[SQLCOM_SHOW_ENGINE_STATUS]= CF_STATUS_COMMAND; sql_command_flags[SQLCOM_SHOW_ENGINE_MUTEX]= CF_STATUS_COMMAND; sql_command_flags[SQLCOM_SHOW_ENGINE_LOGS]= CF_STATUS_COMMAND; + sql_command_flags[SQLCOM_SHOW_EXPLAIN]= CF_STATUS_COMMAND; sql_command_flags[SQLCOM_SHOW_PROCESSLIST]= CF_STATUS_COMMAND; sql_command_flags[SQLCOM_SHOW_GRANTS]= CF_STATUS_COMMAND; sql_command_flags[SQLCOM_SHOW_CREATE_DB]= CF_STATUS_COMMAND; @@ -3421,6 +3422,32 @@ end_with_restore_list: thd->security_ctx->priv_user), lex->verbose); break; + case SQLCOM_SHOW_EXPLAIN: + { + /* Same security as SHOW PROCESSLIST (TODO check this) */ + if (!thd->security_ctx->priv_user[0] && + check_global_access(thd,PROCESS_ACL)) + break; + + Item *it= (Item *)lex->value_list.head(); + + if (lex->table_or_sp_used()) + { + my_error(ER_NOT_SUPPORTED_YET, MYF(0), "Usage of subqueries or stored " + "function calls as part of this statement"); + break; + } + + if ((!it->fixed && it->fix_fields(lex->thd, &it)) || it->check_cols(1)) + { + my_message(ER_SET_CONSTANTS_ONLY, ER(ER_SET_CONSTANTS_ONLY), + MYF(0)); + goto error; + } + + mysqld_show_explain(thd, (ulong)it->val_int()); + break; + } case SQLCOM_SHOW_AUTHORS: res= mysqld_show_authors(thd); break; |