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Code Issues Releases Wiki Activity

improved parser performance.

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This commit is contained in:
wenshao
2017-08-21 15:34:10 +08:00
parent 17772cde69
commit 5804eea0c9
20 changed files with 484 additions and 151 deletions
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src/main/java/com/alibaba/druid/sql/parser/SQLExprParser.java
+3 -3
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@@ -297,7 +297,7 @@ public class SQLExprParser extends SQLParser {
lexer.nextToken();
break;
case LITERAL_FLOAT:
sqlExpr = new SQLNumberExpr(lexer.decimalValue());
sqlExpr = lexer.numberExpr();
lexer.nextToken();
break;
case LITERAL_CHARS:
@@ -521,7 +521,7 @@ public class SQLExprParser extends SQLParser {
lexer.nextToken();
break;
case LITERAL_FLOAT:
sqlExpr = new SQLNumberExpr(lexer.decimalValue().negate());
sqlExpr = lexer.numberExpr(true);
lexer.nextToken();
break;
case IDENTIFIER: // 当负号后面为字段的情况
@@ -559,7 +559,7 @@ public class SQLExprParser extends SQLParser {
lexer.nextToken();
break;
case LITERAL_FLOAT:
sqlExpr = new SQLNumberExpr(lexer.decimalValue());
sqlExpr = lexer.numberExpr();
lexer.nextToken();
break;
case IDENTIFIER: // 当+号后面为字段的情况