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authorvitalyisaev <[email protected]>2023-11-14 09:58:56 +0300
committervitalyisaev <[email protected]>2023-11-14 10:20:20 +0300
commitc2b2dfd9827a400a8495e172a56343462e3ceb82 (patch)
treecd4e4f597d01bede4c82dffeb2d780d0a9046bd0 /contrib/clickhouse/src/Functions/array/arrayExists.cpp
parentd4ae8f119e67808cb0cf776ba6e0cf95296f2df7 (diff)
YQ Connector: move tests from yql to ydb (OSS)
Перенос папки с тестами на Коннектор из папки yql в папку ydb (синхронизируется с github).
Diffstat (limited to 'contrib/clickhouse/src/Functions/array/arrayExists.cpp')
-rw-r--r--contrib/clickhouse/src/Functions/array/arrayExists.cpp71
1 files changed, 71 insertions, 0 deletions
diff --git a/contrib/clickhouse/src/Functions/array/arrayExists.cpp b/contrib/clickhouse/src/Functions/array/arrayExists.cpp
new file mode 100644
index 00000000000..d59425338a5
--- /dev/null
+++ b/contrib/clickhouse/src/Functions/array/arrayExists.cpp
@@ -0,0 +1,71 @@
+#include <Functions/array/arrayExists.h>
+#include <Functions/FunctionFactory.h>
+
+namespace DB
+{
+
+namespace ErrorCodes
+{
+ extern const int ILLEGAL_COLUMN;
+}
+
+ColumnPtr ArrayExistsImpl::execute(const ColumnArray & array, ColumnPtr mapped)
+{
+ const ColumnUInt8 * column_filter = typeid_cast<const ColumnUInt8 *>(&*mapped);
+
+ if (!column_filter)
+ {
+ const auto * column_filter_const = checkAndGetColumnConst<ColumnUInt8>(&*mapped);
+
+ if (!column_filter_const)
+ throw Exception(ErrorCodes::ILLEGAL_COLUMN, "Unexpected type of filter column");
+
+ if (column_filter_const->getValue<UInt8>())
+ {
+ const IColumn::Offsets & offsets = array.getOffsets();
+ auto out_column = ColumnUInt8::create(offsets.size());
+ ColumnUInt8::Container & out_exists = out_column->getData();
+
+ size_t pos = 0;
+ for (size_t i = 0; i < offsets.size(); ++i)
+ {
+ out_exists[i] = offsets[i] - pos > 0;
+ pos = offsets[i];
+ }
+
+ return out_column;
+ }
+ else
+ return DataTypeUInt8().createColumnConst(array.size(), 0u);
+ }
+
+ const IColumn::Filter & filter = column_filter->getData();
+ const IColumn::Offsets & offsets = array.getOffsets();
+ auto out_column = ColumnUInt8::create(offsets.size());
+ ColumnUInt8::Container & out_exists = out_column->getData();
+
+ size_t pos = 0;
+ for (size_t i = 0; i < offsets.size(); ++i)
+ {
+ UInt8 exists = 0;
+ for (; pos < offsets[i]; ++pos)
+ {
+ if (filter[pos])
+ {
+ exists = 1;
+ pos = offsets[i];
+ break;
+ }
+ }
+ out_exists[i] = exists;
+ }
+
+ return out_column;
+}
+
+REGISTER_FUNCTION(ArrayExists)
+{
+ factory.registerFunction<FunctionArrayExists>();
+}
+
+}