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147 lines
3.7 KiB
Plaintext
147 lines
3.7 KiB
Plaintext
# Test case for bug https://github.com/cockroachdb/pebble/issues/2036 Build
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# sstable with two-level index, with two data blocks in each lower-level index
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# block.
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build block-size=1 index-block-size=40 print-layout=true
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c@10.SET.10:cAT10
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d@7.SET.9:dAT7
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e@15.SET.8:eAT15
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f@7.SET.5:fAT7
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----
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index entries:
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d@7: size 53
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c@10: size 29
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d@7: size 27
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g: size 51
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e@15: size 29
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g: size 27
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iter
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first
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next
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next
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next
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----
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<c@10:10>
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<d@7:9>
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<e@15:8>
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<f@7:5>
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# The block property filter matches data block 2 and 4.
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iter block-property-filter=(7,8)
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first
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next
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----
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<d@7:9>
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<f@7:5>
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# Use the same block property filter, but use seeks to find these entries.
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# With the bug the second seek-ge below would step to the second lower-level
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# index block and only see the entry in the data block 4.
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iter block-property-filter=(7,8)
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set-bounds lower=a upper=c
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seek-ge a
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seek-ge b true
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set-bounds lower=c upper=g
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seek-ge c
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next
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next
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----
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.
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.
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.
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.
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<d@7:9>
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<f@7:5>
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.
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# Regression test for #2816
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#
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# This unit test tests a scenario where the two-level index iterator's position
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# could diverge from the currently loaded index block. When taking advantage of
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# the monotonic bounds optimization at the two-level index level, the iterator
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# would mistakenly seek within the wrong index block.
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#
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# This allowed the final `seek-ge wc` and `next` to both return wz@8.
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build block-size=1 index-block-size=1 print-layout=true
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eu@2.SET.2:eu
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wb@2.SET.2:wb
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wz@8.SET.8:wzAT8
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ye@1.SET.1:yeAT1
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----
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index entries:
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f: size 26
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f: size 26
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wc: size 27
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wc: size 26
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x: size 26
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x: size 29
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z: size 26
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z: size 29
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iter block-property-filter=(8,9)
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set-bounds lower=v upper=v
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seek-ge wz@8
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internal-iter-state
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seek-ge wb@2
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internal-iter-state
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set-bounds lower=v upper=z
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internal-iter-state
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seek-ge wc
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internal-iter-state
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next
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----
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.
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| *sstable.twoLevelIterator:
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| topLevelIndex.Key() = "x#72057594037927935,17"
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| topLevelIndex.InPlaceValue() = (Offset: 193, Length: 26, Props: 00020801)
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| topLevelIndex.isDataInvalidated()=false
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| index.Key() = "x#72057594037927935,17"
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| index.InPlaceValue() = (Offset: 62, Length: 29, Props: 00020801)
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| index.isDataInvalidated()=false
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| data.isDataInvalidated()=false
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| hideObsoletePoints = false
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| dataBH = (Offset: 62, Length: 29)
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| (boundsCmp,positionedUsingLatestBounds) = (0,true)
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| exhaustedBounds = 1
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.
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| *sstable.twoLevelIterator:
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| topLevelIndex.Key() = "wc#72057594037927935,17"
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| topLevelIndex.InPlaceValue() = (Offset: 161, Length: 27, Props: 00020201)
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| topLevelIndex.isDataInvalidated()=false
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| index iter invalid
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| index.isDataInvalidated()=true
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| data.isDataInvalidated()=true
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| hideObsoletePoints = false
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| dataBH = (Offset: 62, Length: 29)
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| (boundsCmp,positionedUsingLatestBounds) = (0,true)
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| exhaustedBounds = 1
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.
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| *sstable.twoLevelIterator:
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| topLevelIndex.Key() = "wc#72057594037927935,17"
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| topLevelIndex.InPlaceValue() = (Offset: 161, Length: 27, Props: 00020201)
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| topLevelIndex.isDataInvalidated()=false
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| index iter invalid
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| index.isDataInvalidated()=true
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| data.isDataInvalidated()=true
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| hideObsoletePoints = false
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| dataBH = (Offset: 62, Length: 29)
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| (boundsCmp,positionedUsingLatestBounds) = (1,false)
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| exhaustedBounds = 1
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<wz@8:8>
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| *sstable.twoLevelIterator:
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| topLevelIndex.Key() = "x#72057594037927935,17"
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| topLevelIndex.InPlaceValue() = (Offset: 193, Length: 26, Props: 00020801)
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| topLevelIndex.isDataInvalidated()=false
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| index.Key() = "x#72057594037927935,17"
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| index.InPlaceValue() = (Offset: 62, Length: 29, Props: 00020801)
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| index.isDataInvalidated()=false
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| data.isDataInvalidated()=false
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| hideObsoletePoints = false
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| dataBH = (Offset: 62, Length: 29)
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| (boundsCmp,positionedUsingLatestBounds) = (0,false)
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| exhaustedBounds = 0
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