Remove unnecessary reference to CharsetEncoding

Author: testn

lib/commands/query.js

@@ -9,7 +9,6 @@ const Command = require('./command.js');
 const Packets = require('../packets/index.js');
 const getTextParser = require('../parsers/text_parser.js');
 const ServerStatus = require('../constants/server_status.js');
-const CharsetToEncoding = require('../constants/charset_encodings.js');
 
 const EmptyPacket = new Packets.Packet(0, Buffer.allocUnsafe(4), 0, 4);
 
@@ -241,8 +240,7 @@ class Query extends Command {
       row = this._rowParser.next(
         packet,
         this._fields[this._resultIndex],
-        this.options,
-        CharsetToEncoding
+        this.options
       );
     } catch (err) {
       this._localStreamError = err;

lib/parsers/binary_parser.js

@@ -74,7 +74,7 @@ function readCodeFor(field, config, options, fieldNum) {
       if (field.characterSet === Charsets.BINARY) {
         return 'packet.readLengthCodedBuffer();';
       }
-      return `packet.readLengthCodedString(CharsetToEncoding[fields[${fieldNum}].characterSet])`;
+      return `packet.readLengthCodedString(fields[${fieldNum}].encoding)`;
   }
 }