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[fix](function) the bucket number arg of width_bucket should be a positive integer value #37892

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Jul 18, 2024
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[fix](function) the bucket number arg of width_bucket should be a positive integer value #37892

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17 changes: 11 additions & 6 deletions be/src/vec/functions/function_width_bucket.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,7 @@
#include "vec/columns/column.h"
#include "vec/columns/column_vector.h"
#include "vec/columns/columns_number.h"
#include "vec/common/assert_cast.h"
#include "vec/core/block.h"
#include "vec/core/column_numbers.h"
#include "vec/core/column_with_type_and_name.h"
Expand Down Expand Up @@ -71,6 +72,12 @@ class FunctionWidthBucket : public IFunction {
block.get_by_position(arguments[3]).column->convert_to_full_column_if_const();
int64_t num_buckets = num_buckets_ptr->get_int(0);

if (num_buckets <= 0) {
return Status::InternalError(
"The desired number({}) of buckets must be a positive integer value.",
num_buckets);
}

auto nested_column_ptr = ColumnInt64::create(input_rows_count, 0);
DataTypePtr expr_type = block.get_by_position(arguments[0]).type;

Expand All @@ -86,12 +93,10 @@ class FunctionWidthBucket : public IFunction {
void _execute(const IColumn& expr_column, const IColumn& min_value_column,
const IColumn& max_value_column, const int64_t num_buckets,
IColumn& nested_column) const {
const ColumnType& expr_column_concrete = reinterpret_cast<const ColumnType&>(expr_column);
const ColumnType& min_value_column_concrete =
reinterpret_cast<const ColumnType&>(min_value_column);
const ColumnType& max_value_column_concrete =
reinterpret_cast<const ColumnType&>(max_value_column);
ColumnInt64& nested_column_concrete = reinterpret_cast<ColumnInt64&>(nested_column);
const auto& expr_column_concrete = assert_cast<const ColumnType&>(expr_column);
const auto& min_value_column_concrete = assert_cast<const ColumnType&>(min_value_column);
const auto& max_value_column_concrete = assert_cast<const ColumnType&>(max_value_column);
auto& nested_column_concrete = assert_cast<ColumnInt64&>(nested_column);

size_t input_rows_count = expr_column.size();

Expand Down
5 changes: 5 additions & 0 deletions ...est/suites/query_p0/sql_functions/width_bucket_fuctions/test_width_bucket_function.groovy
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Original file line number Diff line number Diff line change
Expand Up @@ -89,4 +89,9 @@ suite("test_width_bucket_function", "arrow_flight_sql") {
qt_select_width_bucket_3 "select width_bucket(10.0,0,11,10);"
qt_select_width_bucket_4 "select width_bucket(10,0,10.1,10);"
qt_select_width_bucket_5 "select width_bucket(10,0,10.10,10);"

test {
sql "select width_bucket(4, 0, 8, 0)"
exception "buckets must be a positive integer value"
}
}
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