zclllyybb commented on code in PR #47319:
URL: https://github.com/apache/doris/pull/47319#discussion_r1942241526
##########
be/src/vec/data_types/data_type_time.cpp:
##########
@@ -78,4 +80,58 @@ void DataTypeTimeV2::to_string(const IColumn& column, size_t
row_num, BufferWrit
MutableColumnPtr DataTypeTimeV2::create_column() const {
return DataTypeNumberBase<Float64>::create_column();
}
+
+Field DataTypeTimeV2::get_field(const TExprNode& node) const {
Review Comment:
try add beut for this
##########
regression-test/suites/nereids_p0/datatype/test_cast.groovy:
##########
@@ -96,6 +96,197 @@ suite("test_cast") {
sql "select cast(true as date);"
result([[null]])
}
+
+ testFoldConst("select cast('12:00:00' as time);")
+ testFoldConst("select cast('111111' as time);")
+
+ qt_sql "select cast(cast('11:11:11' as time) as char);"
+ qt_sql "select cast(cast('11:11:11' as time) as json);"
+ qt_sql "select cast(cast('11:11:11' as time) as jsonb);"
+ qt_sql "select cast(cast('11:11:11' as time) as string);"
+ qt_sql "select cast(cast('11:11:11' as time) as text);"
+ qt_sql "select cast(cast('11:11:11' as time) as varchar);"
+ qt_sql "select cast(cast('11:11:11' as time) as variant);"
+
+ check_fold_consistency "cast(cast('11:11:11' as time) as char);"
+ check_fold_consistency "cast(cast('11:11:11' as time) as json);"
+ check_fold_consistency "cast(cast('11:11:11' as time) as jsonb);"
+ check_fold_consistency "cast(cast('11:11:11' as time) as string);"
+ check_fold_consistency "cast(cast('11:11:11' as time) as text);"
+ check_fold_consistency "cast(cast('11:11:11' as time) as varchar);"
+ check_fold_consistency "cast(cast('11:11:11' as time) as variant);"
+
+ test {
+ sql "select cast(cast('11:11:11' as time) as bigint);"
+ exception "cannot cast"
+ }
+ test {
+ sql "select cast(cast('11:11:11' as time) as double);"
+ exception "cannot cast"
+ }
+ test {
+ sql "select cast(cast('11:11:11' as time) as float);"
+ exception "cannot cast"
+ }
+ test {
+ sql "select cast(cast('11:11:11' as time) as int);"
+ exception "cannot cast"
+ }
+ test {
+ sql "select cast(cast('11:11:11' as time) as integer);"
+ exception "cannot cast"
+ }
+ test {
+ sql "select cast(cast('11:11:11' as time) as largeint);"
+ exception "cannot cast"
+ }
+ test {
+ sql "select cast(cast('11:11:11' as time) as smallint);"
+ exception "cannot cast"
+ }
+ test {
+ sql "select cast(cast('11:11:11' as time) as tinyint);"
+ exception "cannot cast"
+ }
+ test {
+ sql "select cast(cast('11:11:11' as time) as bitmap);"
+ exception "cannot cast"
+ }
+ test {
+ sql "select cast(cast('11:11:11' as time) as decimal);"
+ exception "cannot cast"
+ }
+ test {
+ sql "select cast(cast('11:11:11' as time) as decimalv2);"
+ exception "cannot cast"
+ }
+ test {
+ sql "select cast(cast('11:11:11' as time) as decimalv3);"
+ exception "cannot cast"
+ }
+ test {
+ sql "select cast(cast('11:11:11' as time) as hll);"
+ exception "cannot cast"
+ }
+ test {
+ sql "select cast(cast('11:11:11' as time) as quantile_state);"
+ exception "cannot cast"
+ }
+ test {
+ sql "select cast(cast('11:11:11' as time) as datetime);"
+ exception "cannot cast"
+ }
+ test {
+ sql "select cast(cast('11:11:11' as time) as date);"
+ exception "cannot cast"
+ }
+ test {
+ sql "select cast(cast('11:11:11' as time) as quantile_state);"
+ exception "cannot cast"
+ }
+
+ qt_sql "select cast('-01:00:00' as time);"
+ qt_sql "select cast('00:-01:00' as time);"
+ qt_sql "select cast('00:00:-01' as time);"
+ qt_sql "select cast('00:00:00' as time);"
+ qt_sql "select cast('838:59:59' as time);"
+ qt_sql "select cast('838:60:59' as time);"
+ qt_sql "select cast('838:59:60' as time);"
+ qt_sql "select cast('839:00:00' as time);"
+
+ qt_sql "select cast('-010000' as time);"
+ qt_sql "select cast('-000100' as time);"
+ qt_sql "select cast('-000001' as time);"
+ qt_sql "select cast('000000' as time);"
+ qt_sql "select cast('8385959' as time);"
+ qt_sql "select cast('8386059' as time);"
+ qt_sql "select cast('8385960' as time);"
+ qt_sql "select cast('8390000' as time);"
+
+ qt_sql "select cast(-010000 as time);"
Review Comment:
compare the behaviours to mysql
##########
fe/fe-core/src/main/java/org/apache/doris/nereids/rules/expression/check/CheckCast.java:
##########
@@ -122,6 +122,10 @@ private static boolean checkPrimitiveType(DataType
originalType, DataType target
if (originalType.isObjectType() || targetType.isObjectType()) {
return false;
}
+ if (originalType.isTimeLikeType() && !(targetType.isStringLikeType()
Review Comment:
add comment for time cast
##########
be/src/vec/exprs/vexpr.h:
##########
@@ -489,6 +489,15 @@ Status create_texpr_literal_node(const void* data,
TExprNode* node, int precisio
literal.__set_value(vectorized::DataTypeIPv6::to_string(*origin_value));
(*node).__set_ipv6_literal(literal);
(*node).__set_type(create_type_desc(PrimitiveType::TYPE_IPV6));
+ } else if constexpr (T == TYPE_TIMEV2) {
+ const auto* origin_value = reinterpret_cast<const
VecDateTimeValue*>(data);
Review Comment:
debug this
##########
be/src/vec/exprs/vexpr.h:
##########
@@ -489,6 +489,15 @@ Status create_texpr_literal_node(const void* data,
TExprNode* node, int precisio
literal.__set_value(vectorized::DataTypeIPv6::to_string(*origin_value));
(*node).__set_ipv6_literal(literal);
(*node).__set_type(create_type_desc(PrimitiveType::TYPE_IPV6));
+ } else if constexpr (T == TYPE_TIMEV2) {
+ const auto* origin_value = reinterpret_cast<const
VecDateTimeValue*>(data);
Review Comment:
why not float64?
##########
regression-test/suites/nereids_p0/datatype/test_cast.groovy:
##########
@@ -96,6 +96,197 @@ suite("test_cast") {
sql "select cast(true as date);"
result([[null]])
}
+
+ testFoldConst("select cast('12:00:00' as time);")
+ testFoldConst("select cast('111111' as time);")
+
+ qt_sql "select cast(cast('11:11:11' as time) as char);"
Review Comment:
add index for `qt_sql`
##########
be/src/vec/data_types/data_type_time.cpp:
##########
@@ -78,4 +80,58 @@ void DataTypeTimeV2::to_string(const IColumn& column, size_t
row_num, BufferWrit
MutableColumnPtr DataTypeTimeV2::create_column() const {
return DataTypeNumberBase<Float64>::create_column();
}
+
+Field DataTypeTimeV2::get_field(const TExprNode& node) const {
Review Comment:
better keep same with FE's impl. and add comment about keeping.
##########
be/src/vec/data_types/data_type_time.cpp:
##########
@@ -78,4 +80,58 @@ void DataTypeTimeV2::to_string(const IColumn& column, size_t
row_num, BufferWrit
MutableColumnPtr DataTypeTimeV2::create_column() const {
return DataTypeNumberBase<Float64>::create_column();
}
+
+Field DataTypeTimeV2::get_field(const TExprNode& node) const {
Review Comment:
add comment for both FE and BE's impl of consistency.
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