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Added missing support for hashing Enums [#METR-20890].

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This commit is contained in:
Alexey Milovidov 2016-04-14 00:35:46 +03:00
parent b664f367d8
commit e4bb35e6e1
3 changed files with 7 additions and 0 deletions
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3
dbms/include/DB/Functions/FunctionsHashing.h
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@ -15,6 +15,7 @@
#include <DB/DataTypes/DataTypeDateTime.h>
#include <DB/DataTypes/DataTypeArray.h>
#include <DB/DataTypes/DataTypeFixedString.h>
#include <DB/DataTypes/DataTypeEnum.h>
#include <DB/Columns/ColumnString.h>
#include <DB/Columns/ColumnConst.h>
#include <DB/Columns/ColumnFixedString.h>
@ -555,6 +556,8 @@ private:
else if (typeid_cast<const DataTypeInt16 * >(from_type)) executeIntType<Int16, first>(icolumn, vec_to);
else if (typeid_cast<const DataTypeInt32 * >(from_type)) executeIntType<Int32, first>(icolumn, vec_to);
else if (typeid_cast<const DataTypeInt64 * >(from_type)) executeIntType<Int64, first>(icolumn, vec_to);
else if (typeid_cast<const DataTypeEnum8 * >(from_type)) executeIntType<Int8, first>(icolumn, vec_to);
else if (typeid_cast<const DataTypeEnum16 * >(from_type)) executeIntType<Int16, first>(icolumn, vec_to);
else if (typeid_cast<const DataTypeDate * >(from_type)) executeIntType<UInt16, first>(icolumn, vec_to);
else if (typeid_cast<const DataTypeDateTime * >(from_type)) executeIntType<UInt32, first>(icolumn, vec_to);
else if (typeid_cast<const DataTypeFloat32 * >(from_type)) executeIntType<Float32, first>(icolumn, vec_to);

2
dbms/tests/queries/0_stateless/00324_hashing_enums.reference Normal file
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@ -0,0 +1,2 @@
2963573356302499406
2963573356302499406

2
dbms/tests/queries/0_stateless/00324_hashing_enums.sql Normal file
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@ -0,0 +1,2 @@
SELECT cityHash64(*) FROM (SELECT 1 AS x, CAST(x AS Enum8('Hello' = 0, 'World' = 1)) AS y);
SELECT cityHash64(*) FROM (SELECT 1 AS x, x AS y);