Package gudusoft.gsqlparser

Class TLexerBigquery

Object

gudusoft.gsqlparser.TCustomLexer

gudusoft.gsqlparser.TLexerBigquery

public class TLexerBigquery
extends TCustomLexer

Field Summary

Fields

Modifier and Type	Field	Description
TSourceTokenList	sourcetokens

Fields inherited from class gudusoft.gsqlparser.TCustomLexer

bconst, COLUMN0_COUNT, COLUMN1_FIRST_X, COLUMN2_FIRST_Y, COLUMN3_LAST_X, COLUMN4_LAST_Y, COLUMN5_FIRST_POS, COLUMN6_LAST_POS, defaultDelimiterStr, delimiterchar, dolqstart, insideSingleQuoteStr, insqlpluscmd, keyword_type_column, keyword_type_identifier, keyword_type_keyword, keyword_type_reserved, MAX_TOKEN_COLUMN_SIZE, MAX_TOKEN_SIZE, stringLiteralStartWithUnicodeSingleQuote, tmpDelimiter, TOKEN_TABLE, UNICODE_ENCODE_ID, xconst, yyinput

Constructor Summary

Constructors

Constructor	Description
TLexerBigquery()

Method Summary

Modifier and Type	Method	Description
boolean	canBeColumnName(int tokencode)
int	checkIdentifier(String str)	如果 identifier 中包含 dash (-) , 检查是否为合法的 identifier
int	checkIdentifierIncludeMinus(String str)
static EKeywordType	getKeywordType(String keyword)
int	getkeywordvalue(String keyword)
int	iskeyword(String str)

Methods inherited from class gudusoft.gsqlparser.TCustomLexer

getKeywordType, getSqlCharset, getStringByCode, isAtBeginOfLine, isKeyword, isSingleCharOperator, reset, resetTokenTable, setSqlCharset, setTokenTableValue, yylexwrap

Methods inherited from class java.lang.Object

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

Field Details

sourcetokens

public TSourceTokenList sourcetokens

Constructor Details

TLexerBigquery

public TLexerBigquery()

Method Details

checkIdentifierIncludeMinus

public int checkIdentifierIncludeMinus(String str)

checkIdentifier

public int checkIdentifier(String str)

如果 identifier 中包含 dash (-) , 检查是否为合法的 identifier

Parameters:

str -

Returns:

0 表示合法， >0, 表示仅可以接受这些长度的字符为合法 identifier

canBeColumnName

public boolean canBeColumnName(int tokencode)

iskeyword

public int iskeyword(String str)

Overrides:

iskeyword in class TCustomLexer

getkeywordvalue

public int getkeywordvalue(String keyword)

Overrides:

getkeywordvalue in class TCustomLexer

getKeywordType

public static EKeywordType getKeywordType(String keyword)