David Capwell created CASSANDRA-20461:
-----------------------------------------
Summary: SAI PK index involved in query which produced duplicate
rows
Key: CASSANDRA-20461
URL: https://issues.apache.org/jira/browse/CASSANDRA-20461
Project: Apache Cassandra
Issue Type: Bug
Components: Feature/SAI
Reporter: David Capwell
This was found in
org.apache.cassandra.distributed.test.cql3.SingleNodeTableWalkTest (single
node, not multi node).
{code}
accord.utils.Property$PropertyError: Property error detected:
Seed = -257286112445818522
Examples = 1
Pure = true
Error: Unexpected results for query: SELECT * FROM ks1.tbl WHERE pk1 = false
PER PARTITION LIMIT 84 ALLOW FILTERING
Steps: 400
Values:
State:
Setup:
CREATE KEYSPACE IF NOT EXISTS ks1 WITH replication = {'class':
'SimpleStrategy', 'replication_factor': 1};
CREATE TABLE ks1.tbl (
pk0 float,
pk1 boolean,
ck0 smallint,
ck1 text,
s0 ascii static,
v0 ascii,
v1 blob,
v2 frozen<tuple<frozen<tuple<float>>, int>>,
v3 frozen<tuple<tinyint, time, frozen<tuple<time,
timestamp>>>>,
PRIMARY KEY ((pk0, pk1), ck0, ck1)
) WITH CLUSTERING ORDER BY (ck0 ASC, ck1 DESC)
AND additional_write_policy = '99p'
AND allow_auto_snapshot = true
AND bloom_filter_fp_chance = 0.01
AND caching = {'keys': 'NONE', 'rows_per_partition': 'ALL'}
AND cdc = false
AND comment = ''
AND compaction = {'base_shard_count': '1', 'class':
'org.apache.cassandra.db.compaction.UnifiedCompactionStrategy',
'min_sstable_size': '11815420B', 'only_purge_repaired_tombstones': 'false',
'overlap_inclusion_method': 'TRANSITIVE', 'provide_overlapping_tombstones':
'NONE', 'sstable_growth': '22%', 'target_sstable_size': '25780163B',
'tombstone_threshold': '0.65081584', 'unchecked_tombstone_compaction': 'false'}
AND compression = {'enabled': 'false'}
AND memtable = 'default'
AND crc_check_chance = 1.0
AND default_time_to_live = 0
AND extensions = {}
AND gc_grace_seconds = 864000
AND incremental_backups = true
AND max_index_interval = 2048
AND memtable_flush_period_in_ms = 0
AND min_index_interval = 128
AND read_repair = 'BLOCKING'
AND speculative_retry = '99p';
CREATE CUSTOM INDEX tbl_pk0 ON ks1.tbl(pk0) USING
'StorageAttachedIndex';
CREATE INDEX tbl_pk1 ON ks1.tbl(pk1) USING 'SAI';
CREATE INDEX tbl_ck0 ON ks1.tbl(ck0) USING 'SAI';
CREATE INDEX tbl_ck1 ON ks1.tbl(ck1) USING 'SAI';
CREATE CUSTOM INDEX tbl_s0 ON ks1.tbl(s0) USING
'StorageAttachedIndex';
CREATE INDEX tbl_v0 ON ks1.tbl(v0) USING 'SAI';
CREATE INDEX tbl_v2 ON ks1.tbl(v2) USING 'SAI';
CREATE INDEX tbl_v3 ON ks1.tbl(v3) USING 'SAI';
{code}
{code}
History:
…
343: SELECT * FROM ks1.tbl WHERE pk1 = false PER PARTITION
LIMIT 84 ALLOW FILTERING -- pk1 boolean, indexed with SAI, on node1, fetch size
10
{code}
This query failed during model validation
{code}
Caused by: java.lang.AssertionError:
Incorrect value for row 2 column pk0: expected -6.4265106E-25 but was -18197.346
Incorrect value for row 2 column ck0: expected -32216 but was 12783
Incorrect value for row 2 column ck1: expected '杖虌繛ﮌ蘓✷谷' but was '䞃㛸ᰓꪕ彤瘀毈พ'
Incorrect value for row 2 column s0: expected 'XX8| QgQ^Ex' but was ',r|'
Incorrect value for row 2 column v0: expected 'FQ z+j"b' but was null
Incorrect value for row 2 column v1: expected 0x but was 0x9a0f4583baf5365e
Incorrect value for row 2 column v2: expected null but was ((4.3819063E27),
-1218940635)
Incorrect value for row 2 column v3: expected (90, '21:14:53.660718225',
('13:45:05.656384085', '1997-08-22T21:36:53.522Z')) but was null
Incorrect value for row 3 column ck0: expected -11034 but was -32216
Incorrect value for row 3 column ck1: expected 'Ⳬ➸䤷᠄䱚뽷ء턷吪' but was '杖虌繛ﮌ蘓✷谷'
Incorrect value for row 3 column v0: expected '?=To1&' but was 'FQ z+j"b'
Incorrect value for row 3 column v1: expected 0xf537 but was 0x
Incorrect value for row 3 column v2: expected ((-3.6912426E34), 783863128) but
was null
Incorrect value for row 3 column v3: expected (-83, '13:42:34.221483836',
('01:22:27.498356541', '2054-12-27T13:20:16.079Z')) but was (90,
'21:14:53.660718225', ('13:45:05.656384085', '1997-08-22T21:36:53.522Z'))
Incorrect value for row 4 column ck0: expected -507 but was -11034
Incorrect value for row 4 column ck1: expected '魖錪࿉㘊' but was 'Ⳬ➸䤷᠄䱚뽷ء턷吪'
Incorrect value for row 4 column v0: expected '?M1D ek9v 1K|:' but was
'?=To1&'
Incorrect value for row 4 column v1: expected 0x845cf215b020174f65 but was
0xf537
Incorrect value for row 4 column v2: expected ((-4.3247504E7), 1338577440) but
was ((-3.6912426E34), 783863128)
Incorrect value for row 4 column v3: expected (34, '07:04:32.973826138',
('22:43:20.309072090', '1982-04-13T05:42:47.689Z')) but was (-83,
'13:42:34.221483836', ('01:22:27.498356541', '2054-12-27T13:20:16.079Z'))
Incorrect value for row 5 column ck0: expected 3235 but was -507
Incorrect value for row 5 column ck1: expected '잀ၿ⦍櫫ᛌ䟍?傇?ﺩ' but was '魖錪࿉㘊'
Incorrect value for row 5 column v0: expected '[L@' but was '?M1D ek9v
1K|:'
Incorrect value for row 5 column v1: expected 0x5189382e but was
0x845cf215b020174f65
Incorrect value for row 5 column v2: expected ((2.4761327E-26), 2035532930) but
was ((-4.3247504E7), 1338577440)
Incorrect value for row 5 column v3: expected (-25, '14:11:55.243248868',
('03:39:01.545149118', '2053-04-18T20:12:46.089Z')) but was (34,
'07:04:32.973826138', ('22:43:20.309072090', '1982-04-13T05:42:47.689Z'))
Incorrect value for row 6 column ck0: expected 20533 but was 3235
Incorrect value for row 6 column ck1: expected '童列羻ಌ⦭㊒ꇑ⠘' but was '잀ၿ⦍櫫ᛌ䟍?傇?ﺩ'
Incorrect value for row 6 column v0: expected null but was '[L@'
Incorrect value for row 6 column v1: expected 0x but was 0x5189382e
Incorrect value for row 6 column v2: expected ((-54660.39), 1918465942) but was
((2.4761327E-26), 2035532930)
Incorrect value for row 6 column v3: expected (-34, '15:36:35.735704213',
('08:18:57.550362904', '1985-01-31T10:28:25.843Z')) but was (-25,
'14:11:55.243248868', ('03:39:01.545149118', '2053-04-18T20:12:46.089Z'))
Expected:
pk0 | pk1 | ck0 | ck1 | s0 | v0
| v1 | v2 | v3
-18197.346 | false | -26180 | '囇✼䮑毛' | ',r|' | 'VKa '
| 0xdf99da86b00c | ((2.22318746E9), 552148989) | (19,
'15:02:36.037352007', ('11:21:35.106492676', '1981-08-11T14:56:49.353Z'))
-18197.346 | false | 12783 | '䞃㛸ᰓꪕ彤瘀毈พ' | ',r|' | null
| 0x9a0f4583baf5365e | ((4.3819063E27), -1218940635) | null
-6.4265106E-25 | false | -32216 | '杖虌繛ﮌ蘓✷谷' | 'XX8| QgQ^Ex' | 'FQ z+j"b'
| 0x | null | (90,
'21:14:53.660718225', ('13:45:05.656384085', '1997-08-22T21:36:53.522Z'))
-6.4265106E-25 | false | -11034 | 'Ⳬ➸䤷᠄䱚뽷ء턷吪' | 'XX8| QgQ^Ex' | '?=To1&'
| 0xf537 | ((-3.6912426E34), 783863128) | (-83,
'13:42:34.221483836', ('01:22:27.498356541', '2054-12-27T13:20:16.079Z'))
-6.4265106E-25 | false | -507 | '魖錪࿉㘊' | 'XX8| QgQ^Ex' | '?M1D ek9v
1K|:' | 0x845cf215b020174f65 | ((-4.3247504E7), 1338577440) | (34,
'07:04:32.973826138', ('22:43:20.309072090', '1982-04-13T05:42:47.689Z'))
-6.4265106E-25 | false | 3235 | '잀ၿ⦍櫫ᛌ䟍?傇?ﺩ' | 'XX8| QgQ^Ex' | '[L@'
| 0x5189382e | ((2.4761327E-26), 2035532930) | (-25,
'14:11:55.243248868', ('03:39:01.545149118', '2053-04-18T20:12:46.089Z'))
-6.4265106E-25 | false | 20533 | '童列羻ಌ⦭㊒ꇑ⠘' | 'XX8| QgQ^Ex' | null
| 0x | ((-54660.39), 1918465942) | (-34,
'15:36:35.735704213', ('08:18:57.550362904', '1985-01-31T10:28:25.843Z'))
Actual:
pk0 | pk1 | ck0 | ck1 | s0 | v0
| v1 | v2 | v3
-18197.346 | false | -26180 | '囇✼䮑毛' | ',r|' | 'VKa '
| 0xdf99da86b00c | ((2.22318746E9), 552148989) | (19,
'15:02:36.037352007', ('11:21:35.106492676', '1981-08-11T14:56:49.353Z'))
-18197.346 | false | 12783 | '䞃㛸ᰓꪕ彤瘀毈พ' | ',r|' | null
| 0x9a0f4583baf5365e | ((4.3819063E27), -1218940635) | null
-18197.346 | false | 12783 | '䞃㛸ᰓꪕ彤瘀毈พ' | ',r|' | null
| 0x9a0f4583baf5365e | ((4.3819063E27), -1218940635) | null
-6.4265106E-25 | false | -32216 | '杖虌繛ﮌ蘓✷谷' | 'XX8| QgQ^Ex' | 'FQ z+j"b'
| 0x | null | (90,
'21:14:53.660718225', ('13:45:05.656384085', '1997-08-22T21:36:53.522Z'))
-6.4265106E-25 | false | -11034 | 'Ⳬ➸䤷᠄䱚뽷ء턷吪' | 'XX8| QgQ^Ex' | '?=To1&'
| 0xf537 | ((-3.6912426E34), 783863128) | (-83,
'13:42:34.221483836', ('01:22:27.498356541', '2054-12-27T13:20:16.079Z'))
-6.4265106E-25 | false | -507 | '魖錪࿉㘊' | 'XX8| QgQ^Ex' | '?M1D ek9v
1K|:' | 0x845cf215b020174f65 | ((-4.3247504E7), 1338577440) | (34,
'07:04:32.973826138', ('22:43:20.309072090', '1982-04-13T05:42:47.689Z'))
-6.4265106E-25 | false | 3235 | '잀ၿ⦍櫫ᛌ䟍?傇?ﺩ' | 'XX8| QgQ^Ex' | '[L@'
| 0x5189382e | ((2.4761327E-26), 2035532930) | (-25,
'14:11:55.243248868', ('03:39:01.545149118', '2053-04-18T20:12:46.089Z'))
-6.4265106E-25 | false | 20533 | '童列羻ಌ⦭㊒ꇑ⠘' | 'XX8| QgQ^Ex' | null
| 0x | ((-54660.39), 1918465942) | (-34,
'15:36:35.735704213', ('08:18:57.550362904', '1985-01-31T10:28:25.843Z'))
at
org.apache.cassandra.harry.model.ASTSingleTableModel.validateOrder(ASTSingleTableModel.java:585)
{code}
The root cause is in the Actual output; it had a duplicate row!
{code}
pk0 | pk1 | ck0 | ck1 | s0 | v0
| v1 | v2 | v3
...
-18197.346 | false | 12783 | '䞃㛸ᰓꪕ彤瘀毈พ' | ',r|' | null
| 0x9a0f4583baf5365e | ((4.3819063E27), -1218940635) | null
-18197.346 | false | 12783 | '䞃㛸ᰓꪕ彤瘀毈พ' | ',r|' | null
| 0x9a0f4583baf5365e | ((4.3819063E27), -1218940635) | null
...
{code}
The repo can be found here
https://github.com/apache/cassandra/pull/3995
SHA: f97844465683cdd64d3370a6d4ea8ca8c0563b7f
Test: org.apache.cassandra.distributed.test.cql3.SingleNodeTableWalkTest
Seed: -257286112445818522
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