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improve sql wall

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yakolee
2014-04-11 15:18:12 +08:00
parent e62605bfed
commit 40c3a1c5d6
1 changed files with 4 additions and 1 deletions
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src/main/java/com/alibaba/druid/sql/visitor/functions/If.java
+4 -1
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@@ -38,7 +38,10 @@ public class If implements Function {
SQLExpr condition = parameters.get(0);
condition.accept(visitor);
Object itemValue = condition.getAttributes().get(EVAL_VALUE);
if (Boolean.TRUE == itemValue || (itemValue != null && !SQLEvalVisitorUtils.eq(itemValue, 0))) {
if (itemValue == null) {
return null;
}
if (Boolean.TRUE == itemValue || !SQLEvalVisitorUtils.eq(itemValue, 0)) {
SQLExpr trueExpr = parameters.get(1);
trueExpr.accept(visitor);
return trueExpr.getAttributes().get(EVAL_VALUE);