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Code Issues Releases Wiki Activity

修正运算优先级别问题

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git-svn-id: http://code.alibabatech.com/svn/druid/trunk@908 b9813039-fb51-4c41-a8b9-e21c2acb5095
This commit is contained in:
wenshao
2011-09-26 12:02:23 +00:00
parent 959ef31212
commit 87d6258ba9
1 changed files with 13 additions and 13 deletions
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src/main/java/com/alibaba/druid/sql/parser/SQLExprParser.java
+13 -13
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@@ -673,7 +673,7 @@ public class SQLExprParser extends SQLParser {
}
public final SQLExpr equality() throws ParserException {
SQLExpr expr = additive();
SQLExpr expr = bitOr();
return equalityRest(expr);
}
@@ -681,14 +681,14 @@ public class SQLExprParser extends SQLParser {
SQLExpr rightExp;
if (lexer.token() == Token.EQ) {
lexer.nextToken();
rightExp = additive();
rightExp = bitOr();
rightExp = equalityRest(rightExp);
expr = new SQLBinaryOpExpr(expr, SQLBinaryOperator.Equality, rightExp);
} else if (lexer.token() == Token.BANGEQ) {
lexer.nextToken();
rightExp = additive();
rightExp = bitOr();
rightExp = equalityRest(rightExp);
@@ -834,63 +834,63 @@ public class SQLExprParser extends SQLParser {
if (lexer.token() == Token.LT) {
lexer.nextToken();
rightExp = equality();
rightExp = bitOr();
rightExp = relationalRest(rightExp);
expr = new SQLBinaryOpExpr(expr, SQLBinaryOperator.LessThan, rightExp);
} else if (lexer.token() == Token.LTEQ) {
lexer.nextToken();
rightExp = shift();
rightExp = bitOr();
rightExp = relationalRest(rightExp);
expr = new SQLBinaryOpExpr(expr, SQLBinaryOperator.LessThanOrEqual, rightExp);
} else if (lexer.token() == Token.LTEQGT) {
lexer.nextToken();
rightExp = shift();
rightExp = bitOr();
rightExp = relationalRest(rightExp);
expr = new SQLBinaryOpExpr(expr, SQLBinaryOperator.LessThanOrEqualOrGreaterThan, rightExp);
} else if (lexer.token() == Token.GT) {
lexer.nextToken();
rightExp = shift();
rightExp = bitOr();
rightExp = relationalRest(rightExp);
expr = new SQLBinaryOpExpr(expr, SQLBinaryOperator.GreaterThan, rightExp);
} else if (lexer.token() == Token.GTEQ) {
lexer.nextToken();
rightExp = shift();
rightExp = bitOr();
rightExp = relationalRest(rightExp);
expr = new SQLBinaryOpExpr(expr, SQLBinaryOperator.GreaterThanOrEqual, rightExp);
} else if (lexer.token() == Token.BANGLT) {
lexer.nextToken();
rightExp = shift();
rightExp = bitOr();
rightExp = relationalRest(rightExp);
expr = new SQLBinaryOpExpr(expr, SQLBinaryOperator.NotLessThan, rightExp);
} else if (lexer.token() == Token.BANGGT) {
lexer.nextToken();
rightExp = shift();
rightExp = bitOr();
rightExp = relationalRest(rightExp);
expr = new SQLBinaryOpExpr(expr, SQLBinaryOperator.NotGreaterThan, rightExp);
} else if (lexer.token() == Token.LTGT) {
lexer.nextToken();
rightExp = shift();
rightExp = bitOr();
rightExp = relationalRest(rightExp);
expr = new SQLBinaryOpExpr(expr, SQLBinaryOperator.LessThanOrGreater, rightExp);
} else if (lexer.token() == Token.LIKE) {
lexer.nextToken();
rightExp = shift();
rightExp = bitOr();
rightExp = relationalRest(rightExp);
@@ -931,7 +931,7 @@ public class SQLExprParser extends SQLParser {
public SQLExpr notRationalRest(SQLExpr expr) {
if (lexer.token() == (Token.LIKE)) {
lexer.nextToken();
SQLExpr rightExp = shift();
SQLExpr rightExp = equality();
rightExp = relationalRest(rightExp);