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-rw-r--r--lib/impure/db_mysql.nim4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/impure/db_mysql.nim b/lib/impure/db_mysql.nim
index 968a2923a..dab84c2d5 100644
--- a/lib/impure/db_mysql.nim
+++ b/lib/impure/db_mysql.nim
@@ -16,11 +16,11 @@ type
   TDbConn* = PMySQL    ## encapsulates a database connection
   TRow* = seq[string]  ## a row of a dataset. NULL database values will be
                        ## transformed always to the empty string.
-  EDb* = object of EIO ## exception that is raised if a database error occurs
+  EDb* = object of IOError ## exception that is raised if a database error occurs
 
   TSqlQuery* = distinct string ## an SQL query string
 
-  FDb* = object of FIO ## effect that denotes a database operation
+  FDb* = object of IOEffect ## effect that denotes a database operation
   FReadDb* = object of FDb   ## effect that denotes a read operation
   FWriteDb* = object of FDb  ## effect that denotes a write operation