8f016d3ab2
In this change list 1. validate HLL column when loading data, if data is invalid, this row will be filtered. 2. seems as empty HLL when serializing invalid type of HLL data, with this change, all ingested data will be valid. 3. seems as empty HLL when deserializing nullptr or invalid type of HLL data. With this change, dirty data can be handled normally. 4. rename function empty_hll to hll_empty. 5. disable memtable_flush_execute_test because this will fails sometimes. When tearing down, some thread is not joined, and they will visit destroyed resource, which is invalid.
46 lines
1.6 KiB
C++
46 lines
1.6 KiB
C++
// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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#ifndef DORIS_BE_SRC_QUERY_EXPRS_HLL_FUNCTION_H
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#define DORIS_BE_SRC_QUERY_EXPRS_HLL_FUNCTION_H
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#include "udf/udf.h"
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namespace doris {
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class HllFunctions {
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public:
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static void init();
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static StringVal hll_hash(FunctionContext* ctx, const StringVal& dest_base);
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static StringVal hll_empty(FunctionContext* ctx);
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static void hll_init(FunctionContext*, StringVal* dst);
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template <typename T>
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static void hll_update(FunctionContext*, const T& src, StringVal* dst);
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static void hll_merge(FunctionContext*,const StringVal& src, StringVal* dst);
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static BigIntVal hll_finalize(FunctionContext*, const StringVal& src);
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static StringVal hll_serialize(FunctionContext* ctx, const StringVal& src);
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static BigIntVal hll_cardinality(FunctionContext* ctx, const StringVal& src);
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};
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}
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#endif
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