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Code Issues Releases Wiki Activity

improve sql wall

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This commit is contained in:
wenshao
2013-08-28 16:47:58 +08:00
parent faee5b92b7
commit 670c376feb
9 changed files with 233 additions and 53 deletions
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src/main/java/com/alibaba/druid/sql/dialect/mysql/parser/MySqlLexer.java
+23 -24
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@@ -64,19 +64,19 @@ public class MySqlLexer extends Lexer {
super(input);
super.keywods = DEFAULT_MYSQL_KEYWORDS;
}
public void scanSharp() {
if (ch != '#') {
throw new ParserException("illegal stat");
}
if (charAt(pos + 1) == '{') {
scanVariable();
return;
}
Token lastToken = this.token;
scanChar();
mark = pos;
bufPos = 0;
@@ -102,10 +102,10 @@ public class MySqlLexer extends Lexer {
scanChar();
bufPos++;
}
stringVal = subString(mark, bufPos);
token = Token.LINE_COMMENT;
if (commentHandler != null && commentHandler.handle(lastToken, stringVal)) {
return;
}
@@ -315,7 +315,7 @@ public class MySqlLexer extends Lexer {
switch (ch) {
case '\0':
putChar('\0');
putChar(ch = '\0');
break;
case '\'':
putChar('\'');
@@ -345,20 +345,19 @@ public class MySqlLexer extends Lexer {
putChar(ch);
break;
}
scanChar();
}
if (ch == '\'') {
scanChar();
if (ch != '\'') {
token = LITERAL_CHARS;
break;
} else {
initBuff(bufPos);
arraycopy(mark + 1, buf, 0, bufPos);
hasSpecial = true;
putChar('\'');
continue;
} else {
if (ch == '\'') {
scanChar();
if (ch != '\'') {
token = LITERAL_CHARS;
break;
} else {
initBuff(bufPos);
arraycopy(mark + 1, buf, 0, bufPos);
hasSpecial = true;
putChar('\'');
continue;
}
}
}
@@ -438,7 +437,7 @@ public class MySqlLexer extends Lexer {
if (commentHandler != null && commentHandler.handle(lastToken, stringVal)) {
return;
}
if (!isAllowComment()) {
throw new NotAllowCommentException();
}
@@ -474,7 +473,7 @@ public class MySqlLexer extends Lexer {
stringVal = subString(mark, bufPos + 1);
token = Token.LINE_COMMENT;
if (commentHandler != null && commentHandler.handle(lastToken, stringVal)) {
return;
}
@@ -482,7 +481,7 @@ public class MySqlLexer extends Lexer {
if (!isAllowComment()) {
throw new NotAllowCommentException();
}
return;
}
}