moved around files

user-mgmt_backend/node_modules/mysql2/lib/parsers/binary_parser.js

@@ -0,0 +1,231 @@
+'use strict';
+
+const FieldFlags = require('../constants/field_flags.js');
+const Charsets = require('../constants/charsets.js');
+const Types = require('../constants/types.js');
+const helpers = require('../helpers');
+const genFunc = require('generate-function');
+const parserCache = require('./parser_cache.js');
+const typeNames = [];
+for (const t in Types) {
+  typeNames[Types[t]] = t;
+}
+
+function readCodeFor(field, config, options, fieldNum) {
+  const supportBigNumbers = Boolean(
+    options.supportBigNumbers || config.supportBigNumbers
+  );
+  const bigNumberStrings = Boolean(
+    options.bigNumberStrings || config.bigNumberStrings
+  );
+  const timezone = options.timezone || config.timezone;
+  const dateStrings = options.dateStrings || config.dateStrings;
+  const unsigned = field.flags & FieldFlags.UNSIGNED;
+  switch (field.columnType) {
+    case Types.TINY:
+      return unsigned ? 'packet.readInt8();' : 'packet.readSInt8();';
+    case Types.SHORT:
+      return unsigned ? 'packet.readInt16();' : 'packet.readSInt16();';
+    case Types.LONG:
+    case Types.INT24: // in binary protocol int24 is encoded in 4 bytes int32
+      return unsigned ? 'packet.readInt32();' : 'packet.readSInt32();';
+    case Types.YEAR:
+      return 'packet.readInt16()';
+    case Types.FLOAT:
+      return 'packet.readFloat();';
+    case Types.DOUBLE:
+      return 'packet.readDouble();';
+    case Types.NULL:
+      return 'null;';
+    case Types.DATE:
+    case Types.DATETIME:
+    case Types.TIMESTAMP:
+    case Types.NEWDATE:
+      if (helpers.typeMatch(field.columnType, dateStrings, Types)) {
+        return `packet.readDateTimeString(${parseInt(field.decimals, 10)}, ${null}, ${field.columnType});`;
+      }
+      return `packet.readDateTime(${helpers.srcEscape(timezone)});`;
+    case Types.TIME:
+      return 'packet.readTimeString()';
+    case Types.DECIMAL:
+    case Types.NEWDECIMAL:
+      if (config.decimalNumbers) {
+        return 'packet.parseLengthCodedFloat();';
+      }
+      return 'packet.readLengthCodedString("ascii");';
+    case Types.GEOMETRY:
+      return 'packet.parseGeometryValue();';
+    case Types.VECTOR:
+      return 'packet.parseVector()';
+    case Types.JSON:
+      // Since for JSON columns mysql always returns charset 63 (BINARY),
+      // we have to handle it according to JSON specs and use "utf8",
+      // see https://github.com/sidorares/node-mysql2/issues/409
+      return config.jsonStrings
+        ? 'packet.readLengthCodedString("utf8")'
+        : 'JSON.parse(packet.readLengthCodedString("utf8"));';
+    case Types.LONGLONG:
+      if (!supportBigNumbers) {
+        return unsigned
+          ? 'packet.readInt64JSNumber();'
+          : 'packet.readSInt64JSNumber();';
+      }
+      if (bigNumberStrings) {
+        return unsigned
+          ? 'packet.readInt64String();'
+          : 'packet.readSInt64String();';
+      }
+      return unsigned ? 'packet.readInt64();' : 'packet.readSInt64();';
+
+    default:
+      if (field.characterSet === Charsets.BINARY) {
+        return 'packet.readLengthCodedBuffer();';
+      }
+      return `packet.readLengthCodedString(fields[${fieldNum}].encoding)`;
+  }
+}
+
+function compile(fields, options, config) {
+  const parserFn = genFunc();
+  const nullBitmapLength = Math.floor((fields.length + 7 + 2) / 8);
+
+  function wrap(field, packet) {
+    return {
+      type: typeNames[field.columnType],
+      length: field.columnLength,
+      db: field.schema,
+      table: field.table,
+      name: field.name,
+      string: function (encoding = field.encoding) {
+        if (field.columnType === Types.JSON && encoding === field.encoding) {
+          // Since for JSON columns mysql always returns charset 63 (BINARY),
+          // we have to handle it according to JSON specs and use "utf8",
+          // see https://github.com/sidorares/node-mysql2/issues/1661
+          console.warn(
+            `typeCast: JSON column "${field.name}" is interpreted as BINARY by default, recommended to manually set utf8 encoding: \`field.string("utf8")\``
+          );
+        }
+
+        if (
+          [Types.DATETIME, Types.NEWDATE, Types.TIMESTAMP, Types.DATE].includes(
+            field.columnType
+          )
+        ) {
+          return packet.readDateTimeString(parseInt(field.decimals, 10));
+        }
+
+        if (field.columnType === Types.TINY) {
+          const unsigned = field.flags & FieldFlags.UNSIGNED;
+
+          return String(unsigned ? packet.readInt8() : packet.readSInt8());
+        }
+
+        if (field.columnType === Types.TIME) {
+          return packet.readTimeString();
+        }
+
+        return packet.readLengthCodedString(encoding);
+      },
+      buffer: function () {
+        return packet.readLengthCodedBuffer();
+      },
+      geometry: function () {
+        return packet.parseGeometryValue();
+      },
+    };
+  }
+
+  parserFn('(function(){');
+  parserFn('return class BinaryRow {');
+  parserFn('constructor() {');
+  parserFn('}');
+
+  parserFn('next(packet, fields, options) {');
+  if (options.rowsAsArray) {
+    parserFn(`const result = new Array(${fields.length});`);
+  } else {
+    parserFn('const result = {};');
+  }
+
+  // Global typeCast
+  if (
+    typeof config.typeCast === 'function' &&
+    typeof options.typeCast !== 'function'
+  ) {
+    options.typeCast = config.typeCast;
+  }
+
+  parserFn('packet.readInt8();'); // status byte
+  for (let i = 0; i < nullBitmapLength; ++i) {
+    parserFn(`const nullBitmaskByte${i} = packet.readInt8();`);
+  }
+
+  let lvalue = '';
+  let currentFieldNullBit = 4;
+  let nullByteIndex = 0;
+  let fieldName = '';
+  let tableName = '';
+
+  for (let i = 0; i < fields.length; i++) {
+    fieldName = helpers.fieldEscape(fields[i].name);
+    // parserFn(`// ${fieldName}: ${typeNames[fields[i].columnType]}`);
+
+    if (typeof options.nestTables === 'string') {
+      lvalue = `result[${helpers.fieldEscape(fields[i].table + options.nestTables + fields[i].name)}]`;
+    } else if (options.nestTables === true) {
+      tableName = helpers.fieldEscape(fields[i].table);
+
+      parserFn(`if (!result[${tableName}]) result[${tableName}] = {};`);
+      lvalue = `result[${tableName}][${fieldName}]`;
+    } else if (options.rowsAsArray) {
+      lvalue = `result[${i.toString(10)}]`;
+    } else {
+      lvalue = `result[${fieldName}]`;
+    }
+
+    parserFn(`if (nullBitmaskByte${nullByteIndex} & ${currentFieldNullBit}) `);
+    parserFn(`${lvalue} = null;`);
+    parserFn('else {');
+
+    if (options.typeCast === false) {
+      parserFn(`${lvalue} = packet.readLengthCodedBuffer();`);
+    } else {
+      const fieldWrapperVar = `fieldWrapper${i}`;
+      parserFn(`const ${fieldWrapperVar} = wrap(fields[${i}], packet);`);
+      const readCode = readCodeFor(fields[i], config, options, i);
+
+      if (typeof options.typeCast === 'function') {
+        parserFn(
+          `${lvalue} = options.typeCast(${fieldWrapperVar}, function() { return ${readCode} });`
+        );
+      } else {
+        parserFn(`${lvalue} = ${readCode};`);
+      }
+    }
+    parserFn('}');
+
+    currentFieldNullBit *= 2;
+    if (currentFieldNullBit === 0x100) {
+      currentFieldNullBit = 1;
+      nullByteIndex++;
+    }
+  }
+
+  parserFn('return result;');
+  parserFn('}');
+  parserFn('};')('})()');
+
+  if (config.debug) {
+    helpers.printDebugWithCode(
+      'Compiled binary protocol row parser',
+      parserFn.toString()
+    );
+  }
+  return parserFn.toFunction({ wrap });
+}
+
+function getBinaryParser(fields, options, config) {
+  return parserCache.getParser('binary', fields, options, config, compile);
+}
+
+module.exports = getBinaryParser;

user-mgmt_backend/node_modules/mysql2/lib/parsers/parser_cache.js

@@ -0,0 +1,66 @@
+'use strict';
+
+const { createLRU } = require('lru.min');
+
+const parserCache = createLRU({
+  max: 15000,
+});
+
+function keyFromFields(type, fields, options, config) {
+  const res = [
+    type,
+    typeof options.nestTables,
+    options.nestTables,
+    Boolean(options.rowsAsArray),
+    Boolean(options.supportBigNumbers || config.supportBigNumbers),
+    Boolean(options.bigNumberStrings || config.bigNumberStrings),
+    typeof options.typeCast,
+    options.timezone || config.timezone,
+    Boolean(options.decimalNumbers),
+    options.dateStrings,
+  ];
+
+  for (let i = 0; i < fields.length; ++i) {
+    const field = fields[i];
+
+    res.push([
+      field.name,
+      field.columnType,
+      field.length,
+      field.schema,
+      field.table,
+      field.flags,
+      field.characterSet,
+    ]);
+  }
+
+  return JSON.stringify(res, null, 0);
+}
+
+function getParser(type, fields, options, config, compiler) {
+  const key = keyFromFields(type, fields, options, config);
+  let parser = parserCache.get(key);
+
+  if (parser) {
+    return parser;
+  }
+
+  parser = compiler(fields, options, config);
+  parserCache.set(key, parser);
+  return parser;
+}
+
+function setMaxCache(max) {
+  parserCache.resize(max);
+}
+
+function clearCache() {
+  parserCache.clear();
+}
+
+module.exports = {
+  getParser: getParser,
+  setMaxCache: setMaxCache,
+  clearCache: clearCache,
+  _keyFromFields: keyFromFields,
+};

user-mgmt_backend/node_modules/mysql2/lib/parsers/static_binary_parser.js

@@ -0,0 +1,211 @@
+'use strict';
+
+const FieldFlags = require('../constants/field_flags.js');
+const Charsets = require('../constants/charsets.js');
+const Types = require('../constants/types.js');
+const helpers = require('../helpers');
+
+const typeNames = [];
+for (const t in Types) {
+  typeNames[Types[t]] = t;
+}
+
+function getBinaryParser(fields, _options, config) {
+  function readCode(field, config, options, fieldNum, packet) {
+    const supportBigNumbers = Boolean(
+      options.supportBigNumbers || config.supportBigNumbers
+    );
+    const bigNumberStrings = Boolean(
+      options.bigNumberStrings || config.bigNumberStrings
+    );
+    const timezone = options.timezone || config.timezone;
+    const dateStrings = options.dateStrings || config.dateStrings;
+    const unsigned = field.flags & FieldFlags.UNSIGNED;
+
+    switch (field.columnType) {
+      case Types.TINY:
+        return unsigned ? packet.readInt8() : packet.readSInt8();
+      case Types.SHORT:
+        return unsigned ? packet.readInt16() : packet.readSInt16();
+      case Types.LONG:
+      case Types.INT24: // in binary protocol int24 is encoded in 4 bytes int32
+        return unsigned ? packet.readInt32() : packet.readSInt32();
+      case Types.YEAR:
+        return packet.readInt16();
+      case Types.FLOAT:
+        return packet.readFloat();
+      case Types.DOUBLE:
+        return packet.readDouble();
+      case Types.NULL:
+        return null;
+      case Types.DATE:
+      case Types.DATETIME:
+      case Types.TIMESTAMP:
+      case Types.NEWDATE:
+        return helpers.typeMatch(field.columnType, dateStrings, Types)
+          ? packet.readDateTimeString(
+              parseInt(field.decimals, 10),
+              null,
+              field.columnType
+            )
+          : packet.readDateTime(timezone);
+      case Types.TIME:
+        return packet.readTimeString();
+      case Types.DECIMAL:
+      case Types.NEWDECIMAL:
+        return config.decimalNumbers
+          ? packet.parseLengthCodedFloat()
+          : packet.readLengthCodedString('ascii');
+      case Types.GEOMETRY:
+        return packet.parseGeometryValue();
+      case Types.VECTOR:
+        return packet.parseVector();
+      case Types.JSON:
+        // Since for JSON columns mysql always returns charset 63 (BINARY),
+        // we have to handle it according to JSON specs and use "utf8",
+        // see https://github.com/sidorares/node-mysql2/issues/409
+        return config.jsonStrings
+          ? packet.readLengthCodedString('utf8')
+          : JSON.parse(packet.readLengthCodedString('utf8'));
+      case Types.LONGLONG:
+        if (!supportBigNumbers)
+          return unsigned
+            ? packet.readInt64JSNumber()
+            : packet.readSInt64JSNumber();
+        return bigNumberStrings
+          ? unsigned
+            ? packet.readInt64String()
+            : packet.readSInt64String()
+          : unsigned
+            ? packet.readInt64()
+            : packet.readSInt64();
+      default:
+        return field.characterSet === Charsets.BINARY
+          ? packet.readLengthCodedBuffer()
+          : packet.readLengthCodedString(fields[fieldNum].encoding);
+    }
+  }
+
+  return class BinaryRow {
+    constructor() {}
+
+    next(packet, fields, options) {
+      packet.readInt8(); // status byte
+
+      const nullBitmapLength = Math.floor((fields.length + 7 + 2) / 8);
+      const nullBitmaskBytes = new Array(nullBitmapLength);
+
+      for (let i = 0; i < nullBitmapLength; i++) {
+        nullBitmaskBytes[i] = packet.readInt8();
+      }
+
+      const result = options.rowsAsArray ? new Array(fields.length) : {};
+      let currentFieldNullBit = 4;
+      let nullByteIndex = 0;
+
+      for (let i = 0; i < fields.length; i++) {
+        const field = fields[i];
+        const typeCast =
+          options.typeCast !== undefined ? options.typeCast : config.typeCast;
+
+        let value;
+        if (nullBitmaskBytes[nullByteIndex] & currentFieldNullBit) {
+          value = null;
+        } else if (options.typeCast === false) {
+          value = packet.readLengthCodedBuffer();
+        } else {
+          const next = () => readCode(field, config, options, i, packet);
+          value =
+            typeof typeCast === 'function'
+              ? typeCast(
+                  {
+                    type: typeNames[field.columnType],
+                    length: field.columnLength,
+                    db: field.schema,
+                    table: field.table,
+                    name: field.name,
+                    string: function (encoding = field.encoding) {
+                      if (
+                        field.columnType === Types.JSON &&
+                        encoding === field.encoding
+                      ) {
+                        // Since for JSON columns mysql always returns charset 63 (BINARY),
+                        // we have to handle it according to JSON specs and use "utf8",
+                        // see https://github.com/sidorares/node-mysql2/issues/1661
+                        console.warn(
+                          `typeCast: JSON column "${field.name}" is interpreted as BINARY by default, recommended to manually set utf8 encoding: \`field.string("utf8")\``
+                        );
+                      }
+
+                      if (
+                        [
+                          Types.DATETIME,
+                          Types.NEWDATE,
+                          Types.TIMESTAMP,
+                          Types.DATE,
+                        ].includes(field.columnType)
+                      ) {
+                        return packet.readDateTimeString(
+                          parseInt(field.decimals, 10)
+                        );
+                      }
+
+                      if (field.columnType === Types.TINY) {
+                        const unsigned = field.flags & FieldFlags.UNSIGNED;
+
+                        return String(
+                          unsigned ? packet.readInt8() : packet.readSInt8()
+                        );
+                      }
+
+                      if (field.columnType === Types.TIME) {
+                        return packet.readTimeString();
+                      }
+
+                      return packet.readLengthCodedString(encoding);
+                    },
+                    buffer: function () {
+                      return packet.readLengthCodedBuffer();
+                    },
+                    geometry: function () {
+                      return packet.parseGeometryValue();
+                    },
+                  },
+                  next
+                )
+              : next();
+        }
+
+        if (options.rowsAsArray) {
+          result[i] = value;
+        } else if (typeof options.nestTables === 'string') {
+          const key = helpers.fieldEscape(
+            field.table + options.nestTables + field.name,
+            false
+          );
+          result[key] = value;
+        } else if (options.nestTables === true) {
+          const tableName = helpers.fieldEscape(field.table, false);
+          if (!result[tableName]) {
+            result[tableName] = {};
+          }
+          const fieldName = helpers.fieldEscape(field.name, false);
+          result[tableName][fieldName] = value;
+        } else {
+          const key = helpers.fieldEscape(field.name, false);
+          result[key] = value;
+        }
+
+        currentFieldNullBit *= 2;
+        if (currentFieldNullBit === 0x100) {
+          currentFieldNullBit = 1;
+          nullByteIndex++;
+        }
+      }
+
+      return result;
+    }
+  };
+}
+
+module.exports = getBinaryParser;

user-mgmt_backend/node_modules/mysql2/lib/parsers/static_text_parser.js

@@ -0,0 +1,152 @@
+'use strict';
+
+const Types = require('../constants/types.js');
+const Charsets = require('../constants/charsets.js');
+const helpers = require('../helpers');
+
+const typeNames = [];
+for (const t in Types) {
+  typeNames[Types[t]] = t;
+}
+
+function readField({ packet, type, charset, encoding, config, options }) {
+  const supportBigNumbers = Boolean(
+    options.supportBigNumbers || config.supportBigNumbers
+  );
+  const bigNumberStrings = Boolean(
+    options.bigNumberStrings || config.bigNumberStrings
+  );
+  const timezone = options.timezone || config.timezone;
+  const dateStrings = options.dateStrings || config.dateStrings;
+
+  switch (type) {
+    case Types.TINY:
+    case Types.SHORT:
+    case Types.LONG:
+    case Types.INT24:
+    case Types.YEAR:
+      return packet.parseLengthCodedIntNoBigCheck();
+    case Types.LONGLONG:
+      if (supportBigNumbers && bigNumberStrings) {
+        return packet.parseLengthCodedIntString();
+      }
+      return packet.parseLengthCodedInt(supportBigNumbers);
+    case Types.FLOAT:
+    case Types.DOUBLE:
+      return packet.parseLengthCodedFloat();
+    case Types.NULL:
+    case Types.DECIMAL:
+    case Types.NEWDECIMAL:
+      if (config.decimalNumbers) {
+        return packet.parseLengthCodedFloat();
+      }
+      return packet.readLengthCodedString('ascii');
+    case Types.DATE:
+      if (helpers.typeMatch(type, dateStrings, Types)) {
+        return packet.readLengthCodedString('ascii');
+      }
+      return packet.parseDate(timezone);
+    case Types.DATETIME:
+    case Types.TIMESTAMP:
+      if (helpers.typeMatch(type, dateStrings, Types)) {
+        return packet.readLengthCodedString('ascii');
+      }
+      return packet.parseDateTime(timezone);
+    case Types.TIME:
+      return packet.readLengthCodedString('ascii');
+    case Types.GEOMETRY:
+      return packet.parseGeometryValue();
+    case Types.VECTOR:
+      return packet.parseVector();
+    case Types.JSON:
+      // Since for JSON columns mysql always returns charset 63 (BINARY),
+      // we have to handle it according to JSON specs and use "utf8",
+      // see https://github.com/sidorares/node-mysql2/issues/409
+      return config.jsonStrings
+        ? packet.readLengthCodedString('utf8')
+        : JSON.parse(packet.readLengthCodedString('utf8'));
+    default:
+      if (charset === Charsets.BINARY) {
+        return packet.readLengthCodedBuffer();
+      }
+      return packet.readLengthCodedString(encoding);
+  }
+}
+
+function createTypecastField(field, packet) {
+  return {
+    type: typeNames[field.columnType],
+    length: field.columnLength,
+    db: field.schema,
+    table: field.table,
+    name: field.name,
+    string: function (encoding = field.encoding) {
+      if (field.columnType === Types.JSON && encoding === field.encoding) {
+        // Since for JSON columns mysql always returns charset 63 (BINARY),
+        // we have to handle it according to JSON specs and use "utf8",
+        // see https://github.com/sidorares/node-mysql2/issues/1661
+        console.warn(
+          `typeCast: JSON column "${field.name}" is interpreted as BINARY by default, recommended to manually set utf8 encoding: \`field.string("utf8")\``
+        );
+      }
+      return packet.readLengthCodedString(encoding);
+    },
+    buffer: function () {
+      return packet.readLengthCodedBuffer();
+    },
+    geometry: function () {
+      return packet.parseGeometryValue();
+    },
+  };
+}
+
+function getTextParser(_fields, _options, config) {
+  return {
+    next(packet, fields, options) {
+      const result = options.rowsAsArray ? [] : {};
+      for (let i = 0; i < fields.length; i++) {
+        const field = fields[i];
+        const typeCast = options.typeCast ? options.typeCast : config.typeCast;
+        const next = () =>
+          readField({
+            packet,
+            type: field.columnType,
+            encoding: field.encoding,
+            charset: field.characterSet,
+            config,
+            options,
+          });
+
+        let value;
+
+        if (options.typeCast === false) {
+          value = packet.readLengthCodedBuffer();
+        } else if (typeof typeCast === 'function') {
+          value = typeCast(createTypecastField(field, packet), next);
+        } else {
+          value = next();
+        }
+
+        if (options.rowsAsArray) {
+          result.push(value);
+        } else if (typeof options.nestTables === 'string') {
+          result[
+            `${helpers.fieldEscape(field.table, false)}${options.nestTables}${helpers.fieldEscape(field.name, false)}`
+          ] = value;
+        } else if (options.nestTables) {
+          const tableName = helpers.fieldEscape(field.table, false);
+          if (!result[tableName]) {
+            result[tableName] = {};
+          }
+          result[tableName][helpers.fieldEscape(field.name, false)] = value;
+        } else {
+          result[helpers.fieldEscape(field.name, false)] = value;
+        }
+      }
+
+      return result;
+    },
+  };
+}
+
+module.exports = getTextParser;

user-mgmt_backend/node_modules/mysql2/lib/parsers/string.js

@@ -0,0 +1,50 @@
+'use strict';
+
+const Iconv = require('iconv-lite');
+const { createLRU } = require('lru.min');
+
+const decoderCache = createLRU({
+  max: 500,
+});
+
+exports.decode = function (buffer, encoding, start, end, options) {
+  if (Buffer.isEncoding(encoding)) {
+    return buffer.toString(encoding, start, end);
+  }
+
+  // Optimize for common case: encoding="short_string", options=undefined.
+  let decoder;
+  if (!options) {
+    decoder = decoderCache.get(encoding);
+    if (!decoder) {
+      decoder = Iconv.getDecoder(encoding);
+      decoderCache.set(encoding, decoder);
+    }
+  } else {
+    const decoderArgs = { encoding, options };
+    const decoderKey = JSON.stringify(decoderArgs);
+    decoder = decoderCache.get(decoderKey);
+    if (!decoder) {
+      decoder = Iconv.getDecoder(decoderArgs.encoding, decoderArgs.options);
+      decoderCache.set(decoderKey, decoder);
+    }
+  }
+
+  const res = decoder.write(buffer.slice(start, end));
+  const trail = decoder.end();
+
+  return trail ? res + trail : res;
+};
+
+exports.encode = function (string, encoding, options) {
+  if (Buffer.isEncoding(encoding)) {
+    return Buffer.from(string, encoding);
+  }
+
+  const encoder = Iconv.getEncoder(encoding, options || {});
+
+  const res = encoder.write(string);
+  const trail = encoder.end();
+
+  return trail && trail.length > 0 ? Buffer.concat([res, trail]) : res;
+};

user-mgmt_backend/node_modules/mysql2/lib/parsers/text_parser.js

@@ -0,0 +1,214 @@
+'use strict';
+
+const Types = require('../constants/types.js');
+const Charsets = require('../constants/charsets.js');
+const helpers = require('../helpers');
+const genFunc = require('generate-function');
+const parserCache = require('./parser_cache.js');
+
+const typeNames = [];
+for (const t in Types) {
+  typeNames[Types[t]] = t;
+}
+
+function readCodeFor(type, charset, encodingExpr, config, options) {
+  const supportBigNumbers = Boolean(
+    options.supportBigNumbers || config.supportBigNumbers
+  );
+  const bigNumberStrings = Boolean(
+    options.bigNumberStrings || config.bigNumberStrings
+  );
+  const timezone = options.timezone || config.timezone;
+  const dateStrings = options.dateStrings || config.dateStrings;
+
+  switch (type) {
+    case Types.TINY:
+    case Types.SHORT:
+    case Types.LONG:
+    case Types.INT24:
+    case Types.YEAR:
+      return 'packet.parseLengthCodedIntNoBigCheck()';
+    case Types.LONGLONG:
+      if (supportBigNumbers && bigNumberStrings) {
+        return 'packet.parseLengthCodedIntString()';
+      }
+      return `packet.parseLengthCodedInt(${supportBigNumbers})`;
+    case Types.FLOAT:
+    case Types.DOUBLE:
+      return 'packet.parseLengthCodedFloat()';
+    case Types.NULL:
+      return 'packet.readLengthCodedNumber()';
+    case Types.DECIMAL:
+    case Types.NEWDECIMAL:
+      if (config.decimalNumbers) {
+        return 'packet.parseLengthCodedFloat()';
+      }
+      return 'packet.readLengthCodedString("ascii")';
+    case Types.DATE:
+      if (helpers.typeMatch(type, dateStrings, Types)) {
+        return 'packet.readLengthCodedString("ascii")';
+      }
+      return `packet.parseDate(${helpers.srcEscape(timezone)})`;
+    case Types.DATETIME:
+    case Types.TIMESTAMP:
+      if (helpers.typeMatch(type, dateStrings, Types)) {
+        return 'packet.readLengthCodedString("ascii")';
+      }
+      return `packet.parseDateTime(${helpers.srcEscape(timezone)})`;
+    case Types.TIME:
+      return 'packet.readLengthCodedString("ascii")';
+    case Types.GEOMETRY:
+      return 'packet.parseGeometryValue()';
+    case Types.VECTOR:
+      return 'packet.parseVector()';
+    case Types.JSON:
+      // Since for JSON columns mysql always returns charset 63 (BINARY),
+      // we have to handle it according to JSON specs and use "utf8",
+      // see https://github.com/sidorares/node-mysql2/issues/409
+      return config.jsonStrings
+        ? 'packet.readLengthCodedString("utf8")'
+        : 'JSON.parse(packet.readLengthCodedString("utf8"))';
+    default:
+      if (charset === Charsets.BINARY) {
+        return 'packet.readLengthCodedBuffer()';
+      }
+      return `packet.readLengthCodedString(${encodingExpr})`;
+  }
+}
+
+function compile(fields, options, config) {
+  // use global typeCast if current query doesn't specify one
+  if (
+    typeof config.typeCast === 'function' &&
+    typeof options.typeCast !== 'function'
+  ) {
+    options.typeCast = config.typeCast;
+  }
+
+  function wrap(field, _this) {
+    return {
+      type: typeNames[field.columnType],
+      length: field.columnLength,
+      db: field.schema,
+      table: field.table,
+      name: field.name,
+      string: function (encoding = field.encoding) {
+        if (field.columnType === Types.JSON && encoding === field.encoding) {
+          // Since for JSON columns mysql always returns charset 63 (BINARY),
+          // we have to handle it according to JSON specs and use "utf8",
+          // see https://github.com/sidorares/node-mysql2/issues/1661
+          console.warn(
+            `typeCast: JSON column "${field.name}" is interpreted as BINARY by default, recommended to manually set utf8 encoding: \`field.string("utf8")\``
+          );
+        }
+
+        return _this.packet.readLengthCodedString(encoding);
+      },
+      buffer: function () {
+        return _this.packet.readLengthCodedBuffer();
+      },
+      geometry: function () {
+        return _this.packet.parseGeometryValue();
+      },
+    };
+  }
+
+  const parserFn = genFunc();
+
+  parserFn('(function () {')('return class TextRow {');
+
+  // constructor method
+  parserFn('constructor(fields) {');
+  // node-mysql typeCast compatibility wrapper
+  // see https://github.com/mysqljs/mysql/blob/96fdd0566b654436624e2375c7b6604b1f50f825/lib/protocol/packets/Field.js
+  if (typeof options.typeCast === 'function') {
+    parserFn('const _this = this;');
+    parserFn('for(let i=0; i<fields.length; ++i) {');
+    parserFn('this[`wrap${i}`] = wrap(fields[i], _this);');
+    parserFn('}');
+  }
+  parserFn('}');
+
+  // next method
+  parserFn('next(packet, fields, options) {');
+  parserFn('this.packet = packet;');
+  if (options.rowsAsArray) {
+    parserFn(`const result = new Array(${fields.length});`);
+  } else {
+    parserFn('const result = {};');
+  }
+
+  const resultTables = {};
+  let resultTablesArray = [];
+
+  if (options.nestTables === true) {
+    for (let i = 0; i < fields.length; i++) {
+      resultTables[fields[i].table] = 1;
+    }
+    resultTablesArray = Object.keys(resultTables);
+    for (let i = 0; i < resultTablesArray.length; i++) {
+      parserFn(`result[${helpers.fieldEscape(resultTablesArray[i])}] = {};`);
+    }
+  }
+
+  let lvalue = '';
+  let fieldName = '';
+  let tableName = '';
+  for (let i = 0; i < fields.length; i++) {
+    fieldName = helpers.fieldEscape(fields[i].name);
+    // parserFn(`// ${fieldName}: ${typeNames[fields[i].columnType]}`);
+
+    if (typeof options.nestTables === 'string') {
+      lvalue = `result[${helpers.fieldEscape(fields[i].table + options.nestTables + fields[i].name)}]`;
+    } else if (options.nestTables === true) {
+      tableName = helpers.fieldEscape(fields[i].table);
+
+      parserFn(`if (!result[${tableName}]) result[${tableName}] = {};`);
+      lvalue = `result[${tableName}][${fieldName}]`;
+    } else if (options.rowsAsArray) {
+      lvalue = `result[${i.toString(10)}]`;
+    } else {
+      lvalue = `result[${fieldName}]`;
+    }
+    if (options.typeCast === false) {
+      parserFn(`${lvalue} = packet.readLengthCodedBuffer();`);
+    } else {
+      const encodingExpr = `fields[${i}].encoding`;
+      const readCode = readCodeFor(
+        fields[i].columnType,
+        fields[i].characterSet,
+        encodingExpr,
+        config,
+        options
+      );
+      if (typeof options.typeCast === 'function') {
+        parserFn(
+          `${lvalue} = options.typeCast(this.wrap${i}, function() { return ${readCode} });`
+        );
+      } else {
+        parserFn(`${lvalue} = ${readCode};`);
+      }
+    }
+  }
+
+  parserFn('return result;');
+  parserFn('}');
+  parserFn('};')('})()');
+
+  if (config.debug) {
+    helpers.printDebugWithCode(
+      'Compiled text protocol row parser',
+      parserFn.toString()
+    );
+  }
+  if (typeof options.typeCast === 'function') {
+    return parserFn.toFunction({ wrap });
+  }
+  return parserFn.toFunction();
+}
+
+function getTextParser(fields, options, config) {
+  return parserCache.getParser('text', fields, options, config, compile);
+}
+
+module.exports = getTextParser;