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Code Issues Releases Wiki Activity

improved sql parser.

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This commit is contained in:
wenshao
2017-07-19 17:55:24 +08:00
parent 8a0bf34a6c
commit 168518e0e5
37 changed files with 1017 additions and 387 deletions
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src/main/java/com/alibaba/druid/sql/parser/Lexer.java
+10 -10
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@@ -525,7 +525,7 @@ public class Lexer {
token = Token.SEMI;
return;
case '`':
throw new ParserException("TODO"); // TODO
throw new ParserException("TODO. " + info()); // TODO
case '@':
scanVariable();
return;
@@ -737,7 +737,7 @@ public class Lexer {
}
break;
default:
throw new ParserException("TODO");
throw new ParserException("TODO. " + info());
}
}
@@ -806,7 +806,7 @@ public class Lexer {
}
if (endIndex == -1) {
throw new ParserException("unclosed str");
throw new ParserException("unclosed str. " + info());
}
String stringVal = subString(startIndex, endIndex - startIndex);
@@ -978,7 +978,7 @@ public class Lexer {
}
if (endIndex == -1) {
throw new ParserException("unclosed str");
throw new ParserException("unclosed str. " + info());
}
String stringVal = subString(startIndex, endIndex - startIndex);
@@ -1081,7 +1081,7 @@ public class Lexer {
public void scanVariable() {
if (ch != '@' && ch != ':' && ch != '#' && ch != '$') {
throw new ParserException("illegal variable");
throw new ParserException("illegal variable. " + info());
}
mark = pos;
@@ -1120,7 +1120,7 @@ public class Lexer {
}
if (ch != '}') {
throw new ParserException("syntax error");
throw new ParserException("syntax error. " + info());
}
++pos;
bufPos++;
@@ -1181,7 +1181,7 @@ public class Lexer {
// multiline comment结束符错误
if (ch == EOI) {
throw new ParserException("unterminated /* comment.");
throw new ParserException("unterminated /* comment. " + info());
}
scanChar();
bufPos++;
@@ -1230,7 +1230,7 @@ public class Lexer {
// single line comment结束符错误
if (ch == EOI) {
throw new ParserException("syntax error at end of input.");
throw new ParserException("syntax error at end of input. " + info());
}
scanChar();
@@ -1258,7 +1258,7 @@ public class Lexer {
final boolean firstFlag = isFirstIdentifierChar(first);
if (!firstFlag) {
throw new ParserException("illegal identifier");
throw new ParserException("illegal identifier. " + info());
}
mark = pos;
@@ -1520,7 +1520,7 @@ public class Lexer {
public BigDecimal decimalValue() {
String value = subString(mark, bufPos);
if (!StringUtils.isNumber(value)){
throw new ParserException(value+" is not a number!");
throw new ParserException(value+" is not a number! " + info());
}
return new BigDecimal(value.toCharArray());
}