28 lines
775 B
JavaScript
28 lines
775 B
JavaScript
'use strict';
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const Packet = require('../packets/packet.js');
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const CommandCode = require('../constants/commands.js');
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const StringParser = require('../parsers/string.js');
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const CharsetToEncoding = require('../constants/charset_encodings.js');
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class Query {
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constructor(sql, charsetNumber) {
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this.query = sql;
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this.charsetNumber = charsetNumber;
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this.encoding = CharsetToEncoding[charsetNumber];
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}
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toPacket() {
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const buf = StringParser.encode(this.query, this.encoding);
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const length = 5 + buf.length;
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const buffer = Buffer.allocUnsafe(length);
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const packet = new Packet(0, buffer, 0, length);
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packet.offset = 4;
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packet.writeInt8(CommandCode.QUERY);
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packet.writeBuffer(buf);
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return packet;
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}
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}
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module.exports = Query;
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