# vim dovecot.log

7 Oct 2015 · *:bytes=', domain.maxquota*


      I some add information about bug...
Dovecot 2.2.19 version on server FreeBSD 10.2 Release.
Config quota (dict + mysql)
Database create Postfixadmin 2.3.7
Old version Dovecot 2.2.13 use method UPDATE in MySQL base + dict
example mysql.log
Connect   postfix@localhost on postfix
134 Query     SELECT bytes FROM quota2 WHERE username =
'user@mydomain.lan'
135 Query     SELECT bytes FROM quota2 WHERE username =
'user@mydomain.lan'
135 Query     BEGIN
135 Query     UPDATE quota2 SET
bytes=bytes+2570,messages=messages+1 WHERE username = 'user@mydomain.lan'
136 Connect   postfix@localhost on postfix
136 Query     BEGIN
136 Query     UPDATE domain SET quota=quota+2570 WHERE domain =
'mydomain.lan'
134 Query     BEGIN
134 Query     UPDATE quota2 SET
bytes=bytes+1723,messages=messages+1 WHERE username = 'user@mydomain.lan'
137 Connect   postfix@localhost on postfix
137 Query     BEGIN
137 Query     UPDATE domain SET quota=quota+1723 WHERE domain =
'mydomain.lan'
136 Query     UPDATE quota2 SET messages=messages+1 WHERE
username = 'mydomain.lan'
- - -
137 Query     COMMIT
151004  3:12:27   128 Quit
# cat dovecot-2.2.13/src/lib-dict/dict-sql.c
=== some text delete ===
static const char *
sql_dict_update_query(const struct dict_sql_build_query *build)
{
struct sql_dict *dict = build->dict;
const struct dict_sql_build_query_field *fields;
unsigned int i, field_count;
string_t *query;
  i_assert(build->inc);

  fields = array_get(&build->fields, &field_count);
  i_assert(field_count > 0);

  query = t_str_new(64);
  str_printfa(query, "UPDATE %s SET ", fields[0].map->table); #### this
in code, work excellent
for (i = 0; i < field_count; i++) {
if (i > 0)
str_append_c(query, ',');
str_printfa(query, "%s=%s", fields[i].map->value_field,
fields[i].map->value_field);
if (fields[i].value[0] != '-')
str_append_c(query, '+');
str_append(query, fields[i].value);
}
  sql_dict_where_build(dict, fields[0].map, build->extra_values,
                       build->key1, SQL_DICT_RECURSE_NONE, query);
  return str_c(query);
}
=== === ===
Latest version Dovecot 2.2.19 use method DELETE/INSERT in MySQL base + dict
        140 Connect   postfix@localhost on postfix
        140 Query     SELECT quota FROM domain WHERE domain =
'mydomain.lan'
140 Query     SELECT quota FROM domain WHERE domain =
'mydomain.lan'
140 Query     SELECT messages FROM quota2 WHERE username =
'mydomain.lan'
140 Query     BEGIN
140 Query     DELETE FROM domain WHERE domain = 'mydomain.lan'
140 Query     DELETE FROM quota2 WHERE username = 'mydomain.lan'
140 Query     INSERT INTO domain (quota,domain) VALUES
('8581','mydomain.lan') ON DUPLICATE KEY UPDATE quota='8581'
151004 15:18:45  140 Quit
# cat dovecot-2.2.19/src/lib-dict/dict-sql.c
=== some text delete ===
static void sql_dict_unset(struct dict_transaction_context *_ctx,
const char *key)
{
struct sql_dict_transaction_context *ctx =
(struct sql_dict_transaction_context *)_ctx;
struct sql_dict *dict = (struct sql_dict *)_ctx->dict;
const struct dict_sql_map *map;
ARRAY_TYPE(const_string) values;
  if (ctx->prev_inc_map != NULL)
          sql_dict_prev_inc_flush(ctx);

  map = sql_dict_find_map(dict, key, &values);
  if (map == NULL) {
          i_error("sql dict unset: Invalid/unmapped key: %s", key);
          ctx->failed = TRUE;
          return;
  }

  T_BEGIN {
          string_t *query = t_str_new(256);
          const char *error;

          str_printfa(query, "DELETE FROM %s", map->table);   #### here
deleted all information about domain, this code i think need change
if (sql_dict_where_build(dict, map, &values, key[0],
SQL_DICT_RECURSE_NONE, query, &error)
< 0) {
i_error("dict-sql: Failed to delete %s: %s", key,
error);
ctx->failed = TRUE;
} else {
sql_update(ctx->sql_ctx, str_c(query));
}
} T_END;
}
=== === ===
Now dic + mysql doesn’t work in Dovecot 2.2.19, because first DELETE
operator delete information from base about my domain mydomain.lan
Thanks!
Simon.
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More information about - Dovecot 2.2.x quota mysql and dict

Simon

Old version Dovecot 2.2.13 use method UPDATE in MySQL base + dict example mysql.log

Simon

Timo Sirainen

Old version Dovecot 2.2.13 use method UPDATE in MySQL base + dict example mysql.log

Simon

Below the same my configuration Dovecot 2.2.19 here. BEGIN of configuration

-= END of dovecot.conf =-

-= END of configuration =-

Timo Sirainen

Simon

# vim dovecot.log

Timo Sirainen

Timo Sirainen

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