[
https://issues.apache.org/jira/browse/LUCENE-10035?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
wuda updated LUCENE-10035:
--------------------------
Description:
Simple text codec add skip list data( include impact) to help understand index
format，For debugging, curiosity, transparency only!! When term's docFreq
greater than or equal to SimpleTextSkipWriter.BLOCK_SIZE (default value is 8),
Simple text codec will write skip list, the *.pst (simple text term dictionary
file)* file will looks like this
{code:java}
field title
term args
doc 2
freq 2
pos 7
pos 10
## we omit docs for better view ......
doc 98
freq 2
pos 2
pos 6
skipList
?
level 1
skipDoc 65
skipDocFP 949
impacts
impact
freq 1
norm 2
impact
freq 2
norm 12
impact
freq 3
norm 13
impacts_end
?
level 0
skipDoc 17
skipDocFP 284
impacts
impact
freq 1
norm 2
impact
freq 2
norm 12
impacts_end
skipDoc 34
skipDocFP 624
impacts
impact
freq 1
norm 2
impact
freq 2
norm 12
impact
freq 3
norm 14
impacts_end
skipDoc 65
skipDocFP 949
impacts
impact
freq 1
norm 2
impact
freq 2
norm 12
impact
freq 3
norm 13
impacts_end
skipDoc 90
skipDocFP 1311
impacts
impact
freq 1
norm 2
impact
freq 2
norm 10
impact
freq 3
norm 13
impact
freq 4
norm 14
impacts_end
END
checksum 00000000000829315543
{code}
compare with previous，we add *skipList，level, skipDoc, skipDocFP, impacts,
impact, freq, norm* nodes, at the same, simple text codec can support
advanceShallow when search time.
was:
Simple text codec add skip list data( include impact) to help understand index
format，For debugging, curiosity, transparency only!! When term's docFreq
greater than or equal to SimpleTextSkipWriter.BLOCK_SIZE (default value is 8),
Simple text codec will write skip list, the *.pst (simple text term dictionary
file)* file will looks like this
{code:java}
field title
term args
doc 2
freq 2
pos 7
pos 10
## we omit docs for better view ......
doc 98
freq 2
pos 2
pos 6
skipList
?
level 1
skipDoc 65
skipDocFP 949
impacts
impact
freq 1
norm 2
impact
freq 2
norm 12
impact
freq 3
norm 13
impacts_end
?
level 0
skipDoc 17
skipDocFP 284
impacts
impact
freq 1
norm 2
impact
freq 2
norm 12
impacts_end
skipDoc 34
skipDocFP 624
impacts
impact
freq 1
norm 2
impact
freq 2
norm 12
impact
freq 3
norm 14
impacts_end
skipDoc 65
skipDocFP 949
impacts
impact
freq 1
norm 2
impact
freq 2
norm 12
impact
freq 3
norm 13
impacts_end
skipDoc 90
skipDocFP 1311
impacts
impact
freq 1
norm 2
impact
freq 2
norm 10
impact
freq 3
norm 13
impact
freq 4
norm 14
impacts_end
END
checksum 00000000000829315543
{code}
compare with previous，we add *skipList，level, skipDoc, skipDocFP, impacts,
impact, freq, norm* nodes, at the same, simple text codec can support
advanceShallow when search time.
> Simple text codec add multi level skip list data
> --------------------------------------------------
>
> Key: LUCENE-10035
> URL: https://issues.apache.org/jira/browse/LUCENE-10035
> Project: Lucene - Core
> Issue Type: New Feature
> Components: core/codecs
> Affects Versions: main (9.0)
> Reporter: wuda
> Priority: Major
> Labels: Impact, MultiLevelSkipList, SimpleTextCodec
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Simple text codec add skip list data( include impact) to help understand
> index format，For debugging, curiosity, transparency only!! When term's
> docFreq greater than or equal to SimpleTextSkipWriter.BLOCK_SIZE (default
> value is 8), Simple text codec will write skip list, the *.pst (simple text
> term dictionary file)* file will looks like this
> {code:java}
> field title
> term args
> doc 2
> freq 2
> pos 7
> pos 10
> ## we omit docs for better view ......
> doc 98
> freq 2
> pos 2
> pos 6
> skipList
> ?
> level 1
> skipDoc 65
> skipDocFP 949
> impacts
> impact
> freq 1
> norm 2
> impact
> freq 2
> norm 12
> impact
> freq 3
> norm 13
> impacts_end
> ?
> level 0
> skipDoc 17
> skipDocFP 284
> impacts
> impact
> freq 1
> norm 2
> impact
> freq 2
> norm 12
> impacts_end
> skipDoc 34
> skipDocFP 624
> impacts
> impact
> freq 1
> norm 2
> impact
> freq 2
> norm 12
> impact
> freq 3
> norm 14
> impacts_end
> skipDoc 65
> skipDocFP 949
> impacts
> impact
> freq 1
> norm 2
> impact
> freq 2
> norm 12
> impact
> freq 3
> norm 13
> impacts_end
> skipDoc 90
> skipDocFP 1311
> impacts
> impact
> freq 1
> norm 2
> impact
> freq 2
> norm 10
> impact
> freq 3
> norm 13
> impact
> freq 4
> norm 14
> impacts_end
> END
> checksum 00000000000829315543
> {code}
> compare with previous，we add *skipList，level, skipDoc, skipDocFP, impacts,
> impact, freq, norm* nodes, at the same, simple text codec can support
> advanceShallow when search time.
>
>
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