by Kristoffer Schill.
Hello,
I have a strange issue with moodle 3.6.6 connecting to the Mariadbdatabase on our test enviroment, that I can't seem to make sense of...
I get a dmlreadexception- only when I try to open the messages. The strange thing is that can't seem to locate any other place where this occurs.
php errorlog gives me:
[21-Oct-2019 12:33:59 Europe/Stockholm] PHP Warning: mysqli::query(): MySQLserver has gone away in /var/www/html/moodle/lib/dml/mysqli_native_moodle_database.php on line 1246
[21-Oct-2019 12:33:59 Europe/Stockholm] PHP Warning: mysqli::query(): Error reading result set's header in /var/www/html/moodle/lib/dml/mysqli_native_moodle_database.php on line 1246
(I have set my config to mariadb and library native, and that file exists but it has not been updated since 2018 so I guess mysqli_native_moodle_database.php uses the right file?)
All tables are utf8mb4_unicode_ci
any tips on where I should look?
diff CURRENT3.6.6 OLD3.6.5+
678,679c678
< $fixedtable = $this->fix_table_name($table);
< $sql = "SHOW INDEXES FROM $fixedtable";
---
> $sql = "SHOW INDEXES FROM {$this->prefix}$table";
750,751c749
< $fixedtable = $this->fix_table_name($table);
< $sql = "SHOW COLUMNS FROM $fixedtable";
---
> $sql = "SHOW COLUMNS FROM {$this->prefix}$table";
1322,1323c1320,1321
< $fixedtable = $this->fix_table_name($table);
< $sql = "INSERT INTO $fixedtable ($fields) VALUES($qms)";
---
>
> $sql = "INSERT INTO {$this->prefix}$table ($fields) VALUES($qms)";
1488,1489c1486
< $fixedtable = $this->fix_table_name($table);
< $sql = "INSERT INTO $fixedtable $fieldssql VALUES $valuessql";
---
> $sql = "INSERT INTO {$this->prefix}$table $fieldssql VALUES $valuessql";
1553,1554c1550
< $fixedtable = $this->fix_table_name($table);
< $sql = "UPDATE $fixedtable SET $sets WHERE id=?";
---
> $sql = "UPDATE {$this->prefix}$table SET $sets WHERE id=?";
1628,1629c1624
< $fixedtable = $this->fix_table_name($table);
< $sql = "UPDATE $fixedtable SET $newfield $select";
---
> $sql = "UPDATE {$this->prefix}$table SET $newfield $select";
1652,1653c1647
< $fixedtable = $this->fix_table_name($table);
< $sql = "DELETE FROM $fixedtable $select";
---
> $sql = "DELETE FROM {$this->prefix}$table $select";
2026,2052d2019
< }
<
< /**
< * Does this mysql instance support fulltext indexes?
< *
< * @return bool
< */
< public function is_fulltext_search_supported() {
< $info = $this->get_server_info();
<
< if (version_compare($info['version'], '5.6.4', '>=')) {
< return true;
< }
< return false;
< }
<
< /**
< * Fixes any table names that clash with reserved words.
< *
< * @param string $tablename The table name
< * @return string The fixed table name
< */
< protected function fix_table_name($tablename) {
< $prefixedtablename = parent::fix_table_name($tablename);
< // This function quotes the table name if it matches one of the MySQL reserved
< // words, e.g. groups.
< return $this->get_manager()->generator->getEncQuoted($prefixedtablename);
As it is mariadb 10.1.41 it should have fulltext_search(?)
MariaDB [<our QA Schema>]> select table_name, column_name from
information_schema.STATISTICS where table_schema = '<our QA
schema>' and index_type = 'FULLTEXT';
+---------------------------+--------------+
| table_name | column_name |
+---------------------------+--------------+
| mdl_search_simpledb_index | title |
| mdl_search_simpledb_index | content |
| mdl_search_simpledb_index | description1 |
| mdl_search_simpledb_index | description2 |
+---------------------------+--------------+
4 rows in set (0.02 sec)
Any tips or hints would be greatly appreciated.