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Fix bug with segmentation fault in ATTACH PART query

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This commit is contained in:
alesapin 2019-10-03 21:07:47 +03:00
parent ddf171e9df
commit 4e83f65089
3 changed files with 27 additions and 0 deletions
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2
dbms/src/Storages/MergeTree/MergeTreeData.cpp
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@ -2967,6 +2967,8 @@ MergeTreeData::MutableDataPartsVector MergeTreeData::tryLoadPartsToAttach(const
String part_id = partition->as<ASTLiteral &>().value.safeGet<String>();
validateDetachedPartName(part_id);
renamed_parts.addPart(part_id, "attaching_" + part_id);
if (MergeTreePartInfo::tryParsePartName(part_id, nullptr, format_version))
name_to_disk[part_id] = getDiskForPart(part_id, source_dir);
}
else
{

3
dbms/tests/queries/0_stateless/01015_attach_part.reference Normal file
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@ -0,0 +1,3 @@
1000
0
1000

22
dbms/tests/queries/0_stateless/01015_attach_part.sql Normal file
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@ -0,0 +1,22 @@
DROP TABLE IF EXISTS table_01;
CREATE TABLE table_01 (
date Date,
n Int32
) ENGINE = MergeTree()
PARTITION BY date
ORDER BY date;
INSERT INTO table_01 SELECT toDate('2019-10-01'), number FROM system.numbers LIMIT 1000;
SELECT COUNT() FROM table_01;
ALTER TABLE table_01 DETACH PARTITION ID '20191001';
SELECT COUNT() FROM table_01;
ALTER TABLE table_01 ATTACH PART '20191001_1_1_0';
SELECT COUNT() FROM table_01;
DROP TABLE IF EXISTS table_01;