MySqlLexer (druid 1.2.26 API)

java.lang.Object
- com.alibaba.druid.sql.parser.Lexer
- - com.alibaba.druid.sql.dialect.mysql.parser.MySqlLexer

```
public class MySqlLexer
extends Lexer
```

Nested Class Summary
- Nested classes/interfaces inherited from class com.alibaba.druid.sql.parser.Lexer
  Lexer.CommentHandler, Lexer.SavePoint

Field Summary

Fields
Modifier and Type Field Description

static SymbolTable quoteTable
- Fields inherited from class com.alibaba.druid.sql.parser.Lexer
  buf, bufPos, ch, commentCount, commentHandler, comments, dbType, dialectFeature, endOfComment, features, hash, hashLCase, keepComments, keepSourceLocation, keywords, line, lines, mark, numberExp, numberSale, optimizedForParameterized, pos, posColumn, posLine, skipComment, startPos, stringVal, symbols_l2, text, timeZone, token

Constructor Summary

Constructors
Constructor	Description
`MySqlLexer(char[] input, int inputLength, boolean skipComment)`
`MySqlLexer(String input)`
`MySqlLexer(String input, boolean skipComment, boolean keepComments)`
`MySqlLexer(String input, SQLParserFeature... features)`

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected void`	`initDialectFeature()`
`static boolean`	`isIdentifierChar(char c)`
`static boolean`	`isIdentifierCharForVariable(char c)`	employee.code=:employee.code 解析异常修复:变量名支持含符号.
`protected Keywords`	`loadKeywords()`
`void`	`scanComment()`
`void`	`scanIdentifier()`
`void`	`scanSharp()`
`protected void`	`scanString()`
`void`	`scanVariable()`
`protected void`	`scanVariable_at()`
`void`	`skipFirstHintsOrMultiCommentAndNextToken()`

Methods inherited from class com.alibaba.druid.sql.parser.Lexer
addComment, addSymbol, arraycopy, bp, charAt, computeRowAndColumn, computeRowAndColumn, config, current, decimalValue, dialectFeatureEnabled, getCommentCount, getCommentHandler, getComments, getDbType, getKeywords, getLine, getPosColumn, getPosLine, getSource, getTimeZone, hasComment, hashLCase, hexString, identifierEquals, identifierEquals, info, initBuff, integerValue, isAllowComment, isDigit, isDigit2, isEnabled, isEndOfComment, isEOF, isFirstIdentifierChar0, isKeepComments, isKeepSourceLocation, isNegativeIntegerValue, isSafeComment, lexError, mark, markOut, nextIf, nextIfComma, nextIfIdentifier, nextIfIdentifier, nextPath, nextToken, nextTokenAlias, nextTokenBy, nextTokenComma, nextTokenCommaValue, nextTokenEq, nextTokenForSet, nextTokenIdent, nextTokenLParen, nextTokenNotOrNull, nextTokenQues, nextTokenValue, nextVarIndex, numberExpr, numberExpr, numberExpr, numberString, parameterize, pos, putChar, readAndResetComments, reset, reset, reset, reset, scanAlias, scanChar, scanHexaDecimal, scanIdentifier0, scanLBracket, scanLineArgument, scanMultiLineComment, scanNumber, scanSingleLineComment, scanSQLType, scanSQLTypeV2, scanString2, scanString2_d, setAllowComment, setCommentHandler, setKeepComments, setTimeZone, setToken, skipToEOF, skipToNextLine, skipToNextLineOrParameter, stringVal, sub_chars, subString, subString, token, unscan

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail
- quoteTable
```
public static SymbolTable quoteTable
```

Constructor Detail

MySqlLexer

public MySqlLexer(char[] input,
                  int inputLength,
                  boolean skipComment)

MySqlLexer
```
public MySqlLexer(String input)
```

MySqlLexer

public MySqlLexer(String input,
                  SQLParserFeature... features)

MySqlLexer

public MySqlLexer(String input,
                  boolean skipComment,
                  boolean keepComments)

Method Detail
- loadKeywords
```
protected Keywords loadKeywords()
```
  Overrides:
  
  loadKeywords in class Lexer
- scanSharp
```
public void scanSharp()
```
  Overrides:
  
  scanSharp in class Lexer
- scanVariable
```
public void scanVariable()
```
  Overrides:
  
  scanVariable in class Lexer
- scanVariable_at
```
protected void scanVariable_at()
```
  Overrides:
  
  scanVariable_at in class Lexer
- scanIdentifier
```
public void scanIdentifier()
```
  Overrides:
  
  scanIdentifier in class Lexer
- scanString
```
protected final void scanString()
```
  Overrides:
  
  scanString in class Lexer
- skipFirstHintsOrMultiCommentAndNextToken
```
public void skipFirstHintsOrMultiCommentAndNextToken()
```
- scanComment
```
public void scanComment()
```
  Overrides:
  
  scanComment in class Lexer
- isIdentifierChar
```
public static boolean isIdentifierChar(char c)
```
- isIdentifierCharForVariable
```
public static boolean isIdentifierCharForVariable(char c)
```
  employee.code=:employee.code 解析异常修复:变量名支持含符号.
  
  Parameters:
  
  c - the character to check
  
  Returns:
  
  true if the character is a valid identifier character for variables; otherwise false
- initDialectFeature
```
protected void initDialectFeature()
```
  Overrides:
  
  initDialectFeature in class Lexer