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[cherry-pick](branch-21)fix date_floor function return wrong result (#41948) #42065

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Oct 18, 2024
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[cherry-pick](branch-21)fix date_floor function return wrong result (#41948) #42065

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9 changes: 6 additions & 3 deletions be/src/vec/functions/function_datetime_floor_ceil.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,9 @@

#include <algorithm>
#include <boost/iterator/iterator_facade.hpp>
#include <cstddef>
#include <cstdint>
#include <cstring>
#include <memory>
#include <type_traits>
#include <utility>
Expand Down Expand Up @@ -284,7 +287,7 @@ struct FloorCeilImpl {
PaddedPODArray<NativeType>& res, NullMap& null_map) {
// time_round(datetime,const(period))
if (period < 1) {
null_map.resize_fill(dates.size(), true);
memset(null_map.data(), 1, sizeof(UInt8) * dates.size());
return;
}
for (int i = 0; i < dates.size(); ++i) {
Expand Down Expand Up @@ -325,7 +328,7 @@ struct FloorCeilImpl {
NativeType origin_date, PaddedPODArray<NativeType>& res,
NullMap& null_map) {
if (period < 1) {
null_map.resize_fill(dates.size(), true);
memset(null_map.data(), 1, sizeof(UInt8) * dates.size());
return;
}
switch (period) {
Expand Down Expand Up @@ -410,7 +413,7 @@ struct FloorCeilImpl {
const PaddedPODArray<NativeType>& origin_dates,
PaddedPODArray<NativeType>& res, NullMap& null_map) {
if (period < 1) {
null_map.resize_fill(dates.size(), true);
memset(null_map.data(), 1, sizeof(UInt8) * dates.size());
return;
}
for (int i = 0; i < dates.size(); ++i) {
Expand Down
5 changes: 5 additions & 0 deletions regression-test/data/correctness_p0/test_time_round.out
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Expand Up @@ -123,3 +123,8 @@
2020-02-02T11:45:14
2020-02-02T11:45:14

-- !select_1 --
2020-02-02T13:09:20 \N
2020-02-02T13:09:20 \N
2020-02-02T13:09:20 \N

1 change: 1 addition & 0 deletions regression-test/suites/correctness_p0/test_time_round.groovy
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Expand Up @@ -89,4 +89,5 @@ suite("test_time_round") {
qt_select "select hour_floor(dt,2,o) from dbround order by id;"
qt_select "select hour_floor(dt,p,'1919-08-10 11:45:14') from dbround order by id;"
qt_select "select hour_floor(dt,2,'1919-08-10 11:45:14') from dbround order by id;"
qt_select_1 "select dt,hour_floor(dt,0) from dbround order by id;"
}
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