程序包 com.alibaba.druid.sql.dialect.mysql.parser

类 MySqlLexer

java.lang.Object

com.alibaba.druid.sql.parser.Lexer

com.alibaba.druid.sql.dialect.mysql.parser.MySqlLexer

public class MySqlLexer
extends Lexer

嵌套类概要

从类继承的嵌套类/接口 com.alibaba.druid.sql.parser.Lexer

Lexer.CommentHandler, Lexer.SavePoint

字段概要

字段

修饰符和类型	字段	说明
static final Keywords	DEFAULT_MYSQL_KEYWORDS
static SymbolTable	quoteTable

从类继承的字段 com.alibaba.druid.sql.parser.Lexer

buf, bufPos, ch, commentCount, commentHandler, comments, dbType, endOfComment, features, hash, hashLCase, keepComments, keepSourceLocation, keywords, line, lines, mark, numberExp, numberSale, optimizedForParameterized, pos, posColumn, posLine, skipComment, startPos, stringVal, symbols_l2, text, timeZone, token

构造器概要

构造器

构造器	说明
MySqlLexer(char[] input, int inputLength, boolean skipComment)
MySqlLexer(String input)
MySqlLexer(String input, boolean skipComment, boolean keepComments)
MySqlLexer(String input, SQLParserFeature... features)

方法概要

修饰符和类型	方法	说明
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.
void	scanComment()
void	scanIdentifier()
void	scanSharp()
protected final void	scanString()
void	scanVariable()
protected void	scanVariable_at()
void	skipFirstHintsOrMultiCommentAndNextToken()

从类继承的方法 com.alibaba.druid.sql.parser.Lexer

addComment, addSymbol, arraycopy, bp, charAt, computeRowAndColumn, config, current, decimalValue, getCommentCount, getCommentHandler, getComments, getDbType, getKeywords, getLine, getPosColumn, getPosLine, getSource, getTimeZone, hasComment, hashLCase, hexString, identifierEquals, identifierEquals, info, initBuff, integerValue, isAllowComment, isDigit, isDigit2, isEnabled, isEndOfComment, isEOF, isKeepComments, isNegativeIntegerValue, isSafeComment, lexError, mark, markOut, nextPath, nextToken, nextTokenAlias, nextTokenBy, nextTokenComma, nextTokenCommaValue, nextTokenEq, nextTokenForSet, nextTokenIdent, nextTokenLParen, nextTokenNotOrNull, nextTokenValue, nextVarIndex, numberExpr, numberExpr, numberExpr, numberString, parameterize, pos, putChar, readAndResetComments, reset, reset, reset, reset, scanAlias, scanChar, scanHexaDecimal, scanHiveComment, scanLBracket, scanLineArgument, scanNumber, scanSQLType, scanSQLTypeV2, scanString2, scanString2_d, setAllowComment, setCommentHandler, setKeepComments, setTimeZone, setToken, skipToEOF, skipToNextLine, skipToNextLineOrParameter, stringVal, sub_chars, subString, subString, token, unscan

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

字段详细资料

quoteTable

public static SymbolTable quoteTable

DEFAULT_MYSQL_KEYWORDS

public static final Keywords DEFAULT_MYSQL_KEYWORDS

构造器详细资料

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)

方法详细资料

scanSharp

public void scanSharp()

覆盖:

scanSharp 在类中 Lexer

scanVariable

public void scanVariable()

覆盖:

scanVariable 在类中 Lexer

scanVariable_at

protected void scanVariable_at()

覆盖:

scanVariable_at 在类中 Lexer

scanIdentifier

public void scanIdentifier()

覆盖:

scanIdentifier 在类中 Lexer

scanString

protected final void scanString()

覆盖:

scanString 在类中 Lexer

skipFirstHintsOrMultiCommentAndNextToken

public void skipFirstHintsOrMultiCommentAndNextToken()

scanComment

public void scanComment()

覆盖:

scanComment 在类中 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.

参数:

c - the character to check

返回:

true if the character is a valid identifier character for variables; otherwise false