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Fix OrNull and OrDefault

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This commit is contained in:
hcz 2020-05-08 17:52:54 +08:00
parent 541cd638ba
commit 8a60e22223
3 changed files with 34 additions and 0 deletions
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8
src/AggregateFunctions/AggregateFunctionOrFill.h
View File

@ -4,6 +4,8 @@
#include <Columns/ColumnNullable.h>
#include <Common/typeid_cast.h>
#include <DataTypes/DataTypeNullable.h>
#include <IO/ReadHelpers.h>
#include <IO/WriteHelpers.h>
namespace DB
@ -102,6 +104,8 @@ public:
Arena * arena) const override
{
nested_function->merge(place, rhs, arena);
place[size_of_data] |= rhs[size_of_data];
}
void serialize(
@ -109,6 +113,8 @@ public:
WriteBuffer & buf) const override
{
nested_function->serialize(place, buf);
writeChar(place[size_of_data], buf);
}
void deserialize(
@ -117,6 +123,8 @@ public:
Arena * arena) const override
{
nested_function->deserialize(place, buf, arena);
readChar(place[size_of_data], buf);
}
DataTypePtr getReturnType() const override

12
tests/queries/0_stateless/01018_empty_aggregation_filling.reference
View File

@ -11,6 +11,12 @@
\N
0
\N
0
\N
0
\N
0
\N
--- Int Non-empty ---
1
1
@ -24,6 +30,12 @@ nan
nan
1
1
1
1
nan
nan
1
1
--- Other Types Empty ---
\N

14
tests/queries/0_stateless/01018_empty_aggregation_filling.sql
View File

@ -14,6 +14,13 @@ SELECT stddevSampOrNullIf(x, x > 1) FROM (SELECT 1 AS x);
SELECT maxOrDefaultIf(x, x > 1) FROM (SELECT 1 AS x);
SELECT maxOrNullIf(x, x > 1) FROM (SELECT 1 AS x);
SELECT avgOrDefaultIfMerge(state) FROM (SELECT avgOrDefaultIfState(x, x > 1) AS state FROM (SELECT 1 AS x));
SELECT avgOrNullIfMerge(state) FROM (SELECT avgOrNullIfState(x, x > 1) AS state FROM (SELECT 1 AS x));
SELECT stddevSampOrDefaultIfMerge(state) FROM (SELECT stddevSampOrDefaultIfState(x, x > 1) AS state FROM (SELECT 1 AS x));
SELECT stddevSampOrNullIfMerge(state) FROM (SELECT stddevSampOrNullIfState(x, x > 1) AS state FROM (SELECT 1 AS x));
SELECT maxOrDefaultIfMerge(state) FROM (SELECT maxOrDefaultIfState(x, x > 1) AS state FROM (SELECT 1 AS x));
SELECT maxOrNullIfMerge(state) FROM (SELECT maxOrNullIfState(x, x > 1) AS state FROM (SELECT 1 AS x));
SELECT '--- Int Non-empty ---';
SELECT arrayReduce('avgOrDefault', [1]);
@ -30,6 +37,13 @@ SELECT stddevSampOrNullIf(x, x > 0) FROM (SELECT 1 AS x);
SELECT maxOrDefaultIf(x, x > 0) FROM (SELECT 1 AS x);
SELECT maxOrNullIf(x, x > 0) FROM (SELECT 1 AS x);
SELECT avgOrDefaultIfMerge(state) FROM (SELECT avgOrDefaultIfState(x, x > 0) AS state FROM (SELECT 1 AS x));
SELECT avgOrNullIfMerge(state) FROM (SELECT avgOrNullIfState(x, x > 0) AS state FROM (SELECT 1 AS x));
SELECT stddevSampOrDefaultIfMerge(state) FROM (SELECT stddevSampOrDefaultIfState(x, x > 0) AS state FROM (SELECT 1 AS x));
SELECT stddevSampOrNullIfMerge(state) FROM (SELECT stddevSampOrNullIfState(x, x > 0) AS state FROM (SELECT 1 AS x));
SELECT maxOrDefaultIfMerge(state) FROM (SELECT maxOrDefaultIfState(x, x > 0) AS state FROM (SELECT 1 AS x));
SELECT maxOrNullIfMerge(state) FROM (SELECT maxOrNullIfState(x, x > 0) AS state FROM (SELECT 1 AS x));
SELECT '--- Other Types Empty ---';
SELECT arrayReduce('maxOrDefault', arrayPopBack(['hello']));