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Code Issues Releases Wiki Activity

修正运算符优先级别处理不当的问题

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git-svn-id: http://code.alibabatech.com/svn/druid/trunk@156 b9813039-fb51-4c41-a8b9-e21c2acb5095
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wenshao
2011-05-20 06:18:32 +00:00
parent ce32206d97
commit 107b62f003
7 changed files with 274 additions and 53 deletions
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src/main/java/com/alibaba/druid/sql/ast/expr/SQLBinaryOperator.java
+54 -39
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@@ -15,51 +15,66 @@
*/
package com.alibaba.druid.sql.ast.expr;
/**
*
* 二元操作符
* @author wenshao 2011-5-20 下午12:32:02
* @formatter:off
*/
public enum SQLBinaryOperator {
Add("+", 70), Subtract("-", 70), Multiply("*", 60), Divide("/", 60), Concat("||", 140), BitwiseAnd("&", 90), BitwiseNot("!", 130), BitwiseOr("|", 100),
BitwiseXor("^", 50), BooleanAnd("AND", 140), BooleanOr("OR", 160), BooleanXor("XOR", 150), Equality("=", 170), Assignment(":=", 169),
GreaterThan(">", 110), GreaterThanOrEqual(">=", 110), Is("IS", 110), LessThan("<", 110), LessThanOrEqual("<=", 110), LessThanOrEqualOrGreaterThan("<=>",
110),
LessThanOrGreater("<>", 110), LeftShift("<<", 80), Like("LIKE", 110), RightShift(">>", 80), Modulus("%", 60), NotEqual("!=", 110), NotLessThan("!<", 110),
NotGreaterThan("!>", 110), Union("UNION", 0), NotLike("NOT LIKE", 110), IsNot("IS NOT", 110), Escape("ESCAPE", 110), RegExp("REGEXP", 110),
NotRegExp("NOT REGEXP", 110), COLLATE("COLLATE", 20);
Union("UNION", 0),
COLLATE("COLLATE", 20),
BitwiseXor("^", 50),
Multiply("*", 60),
Divide("/", 60),
Modulus("%", 60),
Add("+", 70),
Subtract("-", 70),
LeftShift("<<", 80),
RightShift(">>", 80),
BitwiseAnd("&", 90),
BitwiseOr("|", 100),
GreaterThan(">", 110),
GreaterThanOrEqual(">=", 110),
Is("IS", 110),
LessThan("<", 110),
LessThanOrEqual("<=", 110),
LessThanOrEqualOrGreaterThan("<=>",110),
LessThanOrGreater("<>", 110),
Like("LIKE", 110),
NotEqual("!=", 110),
NotLessThan("!<", 110),
NotGreaterThan("!>", 110),
NotLike("NOT LIKE", 110),
IsNot("IS NOT", 110),
Escape("ESCAPE", 110),
RegExp("REGEXP", 110),
NotRegExp("NOT REGEXP", 110),
Equality("=", 110),
BitwiseNot("!", 130),
Concat("||", 140),
BooleanAnd("AND", 140),
BooleanXor("XOR", 150),
BooleanOr("OR", 160),
Assignment(":=", 169),
;
public static int getPriority(SQLBinaryOperator operator) {
return 0;
}
// public static final int Add = 0;
// public static final int Subtract = 26;
// public static final int Multiply = 22;
// public static final int Divide = 9;
// public static final int Concat = 42;
// public static final int Assign = 2;
// public static final int BitwiseAnd = 3;
// public static final int BitwiseNot = 4;
// public static final int BitwiseOr = 5;
// public static final int BitwiseXor = 6;
// public static final int BooleanAnd = 7;
// public static final int BooleanOr = 8;
// public static final int Equality = 10;
// public static final int GreaterThan = 11;
// public static final int GreaterThanOrEqual = 12;
// public static final int Is = 13;
// public static final int LessThan = 14;
// public static final int LessThanOrEqual = 15;
// public static final int LessThanOrGreater = 16;
// public static final int LeftShift = 17;
// public static final int Like = 18;
// public static final int RightShift = 19;
// public static final int Modulus = 21;
// public static final int NotEqual = 23;
// public static final int NotLessThan = 24;
// public static final int NotGreaterThan = 25;
// public static final int Union = 27;
// public static final int NotLike = 40;
// public static final int IsNot = 41;
// public static final int Escape = 43;
//
public final String name;
public final int priority;