morningman commented on a change in pull request #1418: Set stmt support Expr
URL: https://github.com/apache/incubator-doris/pull/1418#discussion_r299743123
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File path: fe/src/main/java/org/apache/doris/analysis/ExpressionFunctions.java
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@@ -162,13 +160,52 @@ public FEFunctionSignature getSignature() {
return signature;
}
+ // Now we only support functions which contain only one
variable-length arg or fixed-length args
+ // which does't contain any arrays.
public LiteralExpr invoke(List<Expr> args) throws AnalysisException {
+ boolean isArray = false;
+ for (Class<?> argType : method.getParameterTypes()) {
+ if (argType.isArray()) {
+
Preconditions.checkArgument(method.getParameterTypes().length == 1);
Review comment:
Why using Preconditions, not throw an exception?
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