linrrzqqq commented on code in PR #67397:
URL: https://github.com/apache/doris/pull/67397#discussion_r3925660726
##########
be/src/exprs/function/array/function_array_pop.cpp:
##########
@@ -104,9 +106,74 @@ class FunctionArrayPopfront : public
FunctionArrayPop<FunctionArrayPopfront> {
static constexpr int start_offset = 2;
};
+class FunctionArrayTrim : public IFunction {
+public:
+ static constexpr auto name = "trim_array";
+ static FunctionPtr create() { return
std::make_shared<FunctionArrayTrim>(); }
+
+ String get_name() const override { return name; }
+
+ bool is_variadic() const override { return false; }
+
+ size_t get_number_of_arguments() const override { return 2; }
+
+ DataTypePtr get_return_type_impl(const DataTypes& arguments) const
override {
+ DCHECK(arguments[0]->get_primitive_type() == TYPE_ARRAY)
+ << "First argument for function: " << name
+ << " should be DataTypeArray but it has type " <<
arguments[0]->get_name() << ".";
+ DCHECK(arguments[1]->get_primitive_type() == TYPE_BIGINT)
+ << "Second argument for function: " << name << " should be
BigInt but it has type "
+ << arguments[1]->get_name() << ".";
+ return arguments[0];
+ }
+
+ Status execute_impl(FunctionContext* context, Block& block, const
ColumnNumbers& arguments,
+ uint32_t result, size_t input_rows_count) const
override {
+ auto array_column =
+
block.get_by_position(arguments[0]).column->convert_to_full_column_if_const();
Review Comment:
use `unpack_if_const` and `index_check_const` better， you can refer to:
https://github.com/apache/doris/pull/64175
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