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4e8370b0b0
SimpleAggregateFunction do not pass arena to the
add_function -> getAddressOfAddFunction(), hence next crash happens:
(gdb) bt
#0 DB::Arena::alloc (size=64, this=0x0) at ../dbms/src/Common/Arena.h:124
#1 DB::SingleValueDataString::changeImpl (this=0x7f97424a27d8, value=..., arena=0x0) at ../dbms/src/AggregateFunctions/AggregateFunctionMinMaxAny.h:274
#2 0x0000000005ea5319 in DB::AggregateFunctionNullUnary<true>::add (arena=<optimized out>, row_num=<optimized out>, columns=<optimized out>, place=<optimized out>, this=<optimized out>) at ../dbms/src/AggregateFunctions/AggregateFunctionNull.h:43
#3 DB::IAggregateFunctionHelper<DB::AggregateFunctionNullUnary<true> >::addFree (that=<optimized out>, place=<optimized out>, columns=<optimized out>, row_num=<optimized out>, arena=<optimized out>) at ../dbms/src/AggregateFunctions/IAggregateFunction.h:131
#4 0x000000000679772f in DB::AggregatingSortedBlockInputStream::addRow (this=this@entry=0x7f982de19c00, cursor=...) at ../dbms/src/Common/AlignedBuffer.h:31
#5 0x0000000006797faa in DB::AggregatingSortedBlockInputStream::merge (this=this@entry=0x7f982de19c00, merged_columns=..., queue=...) at ../dbms/src/DataStreams/AggregatingSortedBlockInputStream.cpp:140
#6 0x0000000006798979 in DB::AggregatingSortedBlockInputStream::readImpl (this=0x7f982de19c00) at ../dbms/src/DataStreams/AggregatingSortedBlockInputStream.cpp:78
#7 0x000000000622db55 in DB::IBlockInputStream::read (this=0x7f982de19c00) at ../dbms/src/DataStreams/IBlockInputStream.cpp:56
#8 0x0000000006613bee in DB::MergeTreeDataMergerMutator::mergePartsToTemporaryPart (this=this@entry=0x7f97ec65e1a0, future_part=..., merge_entry=..., time_of_merge=<optimized out>, disk_reservation=<optimized out>, deduplicate=<optimized out>) at /usr/include/c++/8/bits/shared_ptr_base.h:1018
#9 0x000000000658f7a4 in DB::StorageReplicatedMergeTree::tryExecuteMerge (this=0x7f97ec65b810, entry=...) at /usr/include/c++/8/bits/unique_ptr.h:342
#10 0x00000000065940ab in DB::StorageReplicatedMergeTree::executeLogEntry (this=0x7f97ec65b810, entry=...) at ../dbms/src/Storages/StorageReplicatedMergeTree.cpp:910
<snip>
(gdb) f 1
(gdb) p MAX_SMALL_STRING_SIZE
$1 = 48
(gdb) p capacity
$2 = 64
(gdb) p value
$3 = {data = 0x7f97242fcbd0 "HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH", size = 61}
v2: avoid leaking of allocated by Arena memory on the intermediate step
Fixes: 8f8d2c048e ("Merge pull request #4629 from bgranvea/simple_aggregate_function")
45 lines
498 B
Plaintext
45 lines
498 B
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SimpleAggregateFunction(sum, Float64)
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SimpleAggregateFunction(anyLast, Nullable(String)) SimpleAggregateFunction(anyLast, LowCardinality(Nullable(String))) SimpleAggregateFunction(anyLast, IPv4)
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