diff -urNp ParaView-v5.6.1-orig/VTK/IO/MySQL/vtkMySQLDatabase.cxx ParaView-v5.6.1-dwok/VTK/IO/MySQL/vtkMySQLDatabase.cxx
--- ParaView-v5.6.1-orig/VTK/IO/MySQL/vtkMySQLDatabase.cxx	2019-08-21 14:11:23.742690154 +0200
+++ ParaView-v5.6.1-dwok/VTK/IO/MySQL/vtkMySQLDatabase.cxx	2019-08-21 14:13:53.225434989 +0200
@@ -146,7 +146,7 @@ bool vtkMySQLDatabase::Open( const char*
 
   if ( this->Reconnect )
   {
-    my_bool recon = true;
+    bool recon = true;
     mysql_options( &this->Private->NullConnection, MYSQL_OPT_RECONNECT, &recon );
   }
 
diff -urNp ParaView-v5.6.1-orig/VTK/IO/MySQL/vtkMySQLQuery.cxx ParaView-v5.6.1-dwok/VTK/IO/MySQL/vtkMySQLQuery.cxx
--- ParaView-v5.6.1-orig/VTK/IO/MySQL/vtkMySQLQuery.cxx	2019-08-21 14:11:23.742690154 +0200
+++ ParaView-v5.6.1-dwok/VTK/IO/MySQL/vtkMySQLQuery.cxx	2019-08-21 14:13:47.397639880 +0200
@@ -103,13 +103,13 @@ public:
   }
 
 public:
-  my_bool           IsNull;      // Is this parameter nullptr?
-  my_bool           IsUnsigned;  // For integer types, is it unsigned?
+  bool              IsNull;      // Is this parameter nullptr?
+  bool              IsUnsigned;  // For integer types, is it unsigned?
   char             *Data;        // Buffer holding actual data
   unsigned long     BufferSize;  // Buffer size
   unsigned long     DataLength;  // Size of the data in the buffer (must
                               // be less than or equal to BufferSize)
-  my_bool           HasError;    // for the server to report truncation
+  bool              HasError;    // for the server to report truncation
   enum enum_field_types  DataType;    // MySQL data type for the contained data
 };