apache / incubator-optiq-csv
File Change Frequency

File change frequency (churn) shows the distribution of file updates (days with at least one commit).

Overview
File Change Frequency Overall
  • There are 12 files with 644 lines of code.
    • 0 files changed more than 100 times (0 lines of code)
    • 0 files changed 51-100 times (0 lines of code)
    • 0 files changed 21-50 times (0 lines of code)
    • 4 files changed 6-20 times (405 lines of code)
    • 8 files changed 1-5 times (239 lines of code)
0% | 0% | 0% | 62% | 37%
Legend:
101+
51-100
21-50
6-20
1-5

explore: grouped by folders | grouped by update frequency | data
Contributors Count Frequency Overall
  • There are 12 files with 644 lines of code.
    • 0 files changed by more than 25 contributors (0 lines of code)
    • 0 files changed by 11-25 contributors (0 lines of code)
    • 0 files changed by 6-10 contributors (0 lines of code)
    • 3 files changed by 2-5 contributors (335 lines of code)
    • 9 files changed by 1 contributor (309 lines of code)
0% | 0% | 0% | 52% | 47%
Legend:
26+
11-25
6-10
2-5
1

explore: grouped by folders | grouped by contributors count | data
File Change Frequency per File Extension
java, json, xml, md, txt, bat, gitignore, yml, gitattributes
File Change Frequency per Extension
The number of recorded file updates
101+
51-100
21-50
6-20
1-5
java0% | 0% | 0% | 62% | 37%
File Change Frequency per Logical Decomposition
primary
primary (file change frequency)
The number of recorded file updates
101+
51-100
21-50
6-20
1-5
src0% | 0% | 0% | 62% | 37%
Most Frequently Changed Files (Top 12)

See data for all files...

File# lines# unitscreatedlast modified# changes
(days)		# contributorsfirst
contributor		latest
contributor
CsvTable.java
in src/main/java/net/hydromatic/optiq/impl/csv
 117 7 2013-05-24 2014-02-15 10 3 julianhyde@gmail.com julian@hydromatic.net
CsvSchema.java
in src/main/java/net/hydromatic/optiq/impl/csv
 51 2 2013-05-24 2014-04-28 8 1 julianhyde@gmail.com julianhyde@gmail.com
CsvEnumerator.java
in src/main/java/net/hydromatic/optiq/impl/csv
 176 12 2013-05-24 2014-07-02 8 5 julianhyde@gmail.com jhyde@apache.org
CsvTableScan.java
in src/main/java/net/hydromatic/optiq/impl/csv
 61 6 2013-05-24 2014-04-28 6 1 julianhyde@gmail.com julianhyde@gmail.com
CsvSmartTable.java
in src/main/java/net/hydromatic/optiq/impl/csv
 17 1 2013-05-24 2014-01-07 5 1 julianhyde@gmail.com julianhyde@gmail.com
CsvSchemaFactory.java
in src/main/java/net/hydromatic/optiq/impl/csv
 17 2 2013-05-24 2014-04-13 4 1 julianhyde@gmail.com julianhyde@gmail.com
CsvFieldType.java
in src/main/java/net/hydromatic/optiq/impl/csv
 42 3 2013-05-24 2014-07-02 4 3 julianhyde@gmail.com jhyde@apache.org
CsvPushProjectOntoTableRule.java
in src/main/java/net/hydromatic/optiq/impl/csv
 44 2 2013-05-29 2014-01-07 3 1 julianhyde@gmail.com julianhyde@gmail.com
CsvTableFactory.java
in src/main/java/net/hydromatic/optiq/impl/csv
 23 2 2013-05-28 2014-01-07 2 1 julianhyde@gmail.com julianhyde@gmail.com
package-info.java
in src/main/java/net/hydromatic/optiq/impl/csv
 1 - 2013-05-24 2013-05-24 1 1 julianhyde@gmail.com julianhyde@gmail.com
JsonEnumerator.java
in src/main/java/net/hydromatic/optiq/impl/csv
 38 5 2014-04-28 2014-04-28 1 1 julianhyde@gmail.com julianhyde@gmail.com
JsonTable.java
in src/main/java/net/hydromatic/optiq/impl/csv
 57 6 2014-04-28 2014-04-28 1 1 julianhyde@gmail.com julianhyde@gmail.com
Files With Most Contributors (Top 12)
Based on the number of unique email addresses found in commits.

See data for all files...

File# lines# unitscreatedlast modified# changes
(days)		# contributorsfirst
contributor		latest
contributor
CsvEnumerator.java
in src/main/java/net/hydromatic/optiq/impl/csv
 176 12 2013-05-24 2014-07-02 8 5 julianhyde@gmail.com jhyde@apache.org
CsvTable.java
in src/main/java/net/hydromatic/optiq/impl/csv
 117 7 2013-05-24 2014-02-15 10 3 julianhyde@gmail.com julian@hydromatic.net
CsvFieldType.java
in src/main/java/net/hydromatic/optiq/impl/csv
 42 3 2013-05-24 2014-07-02 4 3 julianhyde@gmail.com jhyde@apache.org
CsvSchema.java
in src/main/java/net/hydromatic/optiq/impl/csv
 51 2 2013-05-24 2014-04-28 8 1 julianhyde@gmail.com julianhyde@gmail.com
CsvTableScan.java
in src/main/java/net/hydromatic/optiq/impl/csv
 61 6 2013-05-24 2014-04-28 6 1 julianhyde@gmail.com julianhyde@gmail.com
CsvSmartTable.java
in src/main/java/net/hydromatic/optiq/impl/csv
 17 1 2013-05-24 2014-01-07 5 1 julianhyde@gmail.com julianhyde@gmail.com
CsvSchemaFactory.java
in src/main/java/net/hydromatic/optiq/impl/csv
 17 2 2013-05-24 2014-04-13 4 1 julianhyde@gmail.com julianhyde@gmail.com
CsvPushProjectOntoTableRule.java
in src/main/java/net/hydromatic/optiq/impl/csv
 44 2 2013-05-29 2014-01-07 3 1 julianhyde@gmail.com julianhyde@gmail.com
CsvTableFactory.java
in src/main/java/net/hydromatic/optiq/impl/csv
 23 2 2013-05-28 2014-01-07 2 1 julianhyde@gmail.com julianhyde@gmail.com
JsonEnumerator.java
in src/main/java/net/hydromatic/optiq/impl/csv
 38 5 2014-04-28 2014-04-28 1 1 julianhyde@gmail.com julianhyde@gmail.com
JsonTable.java
in src/main/java/net/hydromatic/optiq/impl/csv
 57 6 2014-04-28 2014-04-28 1 1 julianhyde@gmail.com julianhyde@gmail.com
package-info.java
in src/main/java/net/hydromatic/optiq/impl/csv
 1 - 2013-05-24 2013-05-24 1 1 julianhyde@gmail.com julianhyde@gmail.com
Files With Least Contributors (Top 12)
Based on the number of unique email addresses found in commits.

See data for all files...

File# lines# unitscreatedlast modified# changes
(days)		# contributorsfirst
contributor		latest
contributor
CsvTableScan.java
in src/main/java/net/hydromatic/optiq/impl/csv
 61 6 2013-05-24 2014-04-28 6 1 julianhyde@gmail.com julianhyde@gmail.com
JsonTable.java
in src/main/java/net/hydromatic/optiq/impl/csv
 57 6 2014-04-28 2014-04-28 1 1 julianhyde@gmail.com julianhyde@gmail.com
CsvSchema.java
in src/main/java/net/hydromatic/optiq/impl/csv
 51 2 2013-05-24 2014-04-28 8 1 julianhyde@gmail.com julianhyde@gmail.com
CsvPushProjectOntoTableRule.java
in src/main/java/net/hydromatic/optiq/impl/csv
 44 2 2013-05-29 2014-01-07 3 1 julianhyde@gmail.com julianhyde@gmail.com
JsonEnumerator.java
in src/main/java/net/hydromatic/optiq/impl/csv
 38 5 2014-04-28 2014-04-28 1 1 julianhyde@gmail.com julianhyde@gmail.com
CsvTableFactory.java
in src/main/java/net/hydromatic/optiq/impl/csv
 23 2 2013-05-28 2014-01-07 2 1 julianhyde@gmail.com julianhyde@gmail.com
CsvSmartTable.java
in src/main/java/net/hydromatic/optiq/impl/csv
 17 1 2013-05-24 2014-01-07 5 1 julianhyde@gmail.com julianhyde@gmail.com
CsvSchemaFactory.java
in src/main/java/net/hydromatic/optiq/impl/csv
 17 2 2013-05-24 2014-04-13 4 1 julianhyde@gmail.com julianhyde@gmail.com
package-info.java
in src/main/java/net/hydromatic/optiq/impl/csv
 1 - 2013-05-24 2013-05-24 1 1 julianhyde@gmail.com julianhyde@gmail.com
CsvTable.java
in src/main/java/net/hydromatic/optiq/impl/csv
 117 7 2013-05-24 2014-02-15 10 3 julianhyde@gmail.com julian@hydromatic.net
CsvFieldType.java
in src/main/java/net/hydromatic/optiq/impl/csv
 42 3 2013-05-24 2014-07-02 4 3 julianhyde@gmail.com jhyde@apache.org
CsvEnumerator.java
in src/main/java/net/hydromatic/optiq/impl/csv
 176 12 2013-05-24 2014-07-02 8 5 julianhyde@gmail.com jhyde@apache.org
Correlations

File Size vs. Number of Changes: 12 points

src/main/java/net/hydromatic/optiq/impl/csv/CsvEnumerator.java x: 176 lines of code y: 8 # changes src/main/java/net/hydromatic/optiq/impl/csv/CsvFieldType.java x: 42 lines of code y: 4 # changes src/main/java/net/hydromatic/optiq/impl/csv/CsvSchema.java x: 51 lines of code y: 8 # changes src/main/java/net/hydromatic/optiq/impl/csv/CsvTableScan.java x: 61 lines of code y: 6 # changes src/main/java/net/hydromatic/optiq/impl/csv/JsonEnumerator.java x: 38 lines of code y: 1 # changes src/main/java/net/hydromatic/optiq/impl/csv/JsonTable.java x: 57 lines of code y: 1 # changes src/main/java/net/hydromatic/optiq/impl/csv/CsvSchemaFactory.java x: 17 lines of code y: 4 # changes src/main/java/net/hydromatic/optiq/impl/csv/CsvTable.java x: 117 lines of code y: 10 # changes src/main/java/net/hydromatic/optiq/impl/csv/CsvPushProjectOntoTableRule.java x: 44 lines of code y: 3 # changes src/main/java/net/hydromatic/optiq/impl/csv/CsvTableFactory.java x: 23 lines of code y: 2 # changes src/main/java/net/hydromatic/optiq/impl/csv/CsvSmartTable.java x: 17 lines of code y: 5 # changes src/main/java/net/hydromatic/optiq/impl/csv/package-info.java x: 1 lines of code y: 1 # changes
10.0
# changes
  min: 1.0
  average: 4.42
  25th percentile: 1.25
  median: 4.0
  75th percentile: 7.5
  max: 10.0
0 176.0
lines of code
min: 1.0 | average: 53.67 | 25th percentile: 18.5 | median: 43.0 | 75th percentile: 60.0 | max: 176.0

Number of Contributors vs. Number of Changes: 12 points

src/main/java/net/hydromatic/optiq/impl/csv/CsvEnumerator.java x: 5 # contributors y: 8 # changes src/main/java/net/hydromatic/optiq/impl/csv/CsvFieldType.java x: 3 # contributors y: 4 # changes src/main/java/net/hydromatic/optiq/impl/csv/CsvSchema.java x: 1 # contributors y: 8 # changes src/main/java/net/hydromatic/optiq/impl/csv/CsvTableScan.java x: 1 # contributors y: 6 # changes src/main/java/net/hydromatic/optiq/impl/csv/JsonEnumerator.java x: 1 # contributors y: 1 # changes src/main/java/net/hydromatic/optiq/impl/csv/CsvSchemaFactory.java x: 1 # contributors y: 4 # changes src/main/java/net/hydromatic/optiq/impl/csv/CsvTable.java x: 3 # contributors y: 10 # changes src/main/java/net/hydromatic/optiq/impl/csv/CsvPushProjectOntoTableRule.java x: 1 # contributors y: 3 # changes src/main/java/net/hydromatic/optiq/impl/csv/CsvTableFactory.java x: 1 # contributors y: 2 # changes src/main/java/net/hydromatic/optiq/impl/csv/CsvSmartTable.java x: 1 # contributors y: 5 # changes
10.0
# changes
  min: 1.0
  average: 4.42
  25th percentile: 1.25
  median: 4.0
  75th percentile: 7.5
  max: 10.0
0 5.0
# contributors
min: 1.0 | average: 1.67 | 25th percentile: 1.0 | median: 1.0 | 75th percentile: 2.5 | max: 5.0

Number of Contributors vs. File Size: 12 points

src/main/java/net/hydromatic/optiq/impl/csv/CsvEnumerator.java x: 5 # contributors y: 176 lines of code src/main/java/net/hydromatic/optiq/impl/csv/CsvFieldType.java x: 3 # contributors y: 42 lines of code src/main/java/net/hydromatic/optiq/impl/csv/CsvSchema.java x: 1 # contributors y: 51 lines of code src/main/java/net/hydromatic/optiq/impl/csv/CsvTableScan.java x: 1 # contributors y: 61 lines of code src/main/java/net/hydromatic/optiq/impl/csv/JsonEnumerator.java x: 1 # contributors y: 38 lines of code src/main/java/net/hydromatic/optiq/impl/csv/JsonTable.java x: 1 # contributors y: 57 lines of code src/main/java/net/hydromatic/optiq/impl/csv/CsvSchemaFactory.java x: 1 # contributors y: 17 lines of code src/main/java/net/hydromatic/optiq/impl/csv/CsvTable.java x: 3 # contributors y: 117 lines of code src/main/java/net/hydromatic/optiq/impl/csv/CsvPushProjectOntoTableRule.java x: 1 # contributors y: 44 lines of code src/main/java/net/hydromatic/optiq/impl/csv/CsvTableFactory.java x: 1 # contributors y: 23 lines of code src/main/java/net/hydromatic/optiq/impl/csv/package-info.java x: 1 # contributors y: 1 lines of code
176.0
lines of code
  min: 1.0
  average: 53.67
  25th percentile: 18.5
  median: 43.0
  75th percentile: 60.0
  max: 176.0
0 5.0
# contributors
min: 1.0 | average: 1.67 | 25th percentile: 1.0 | median: 1.0 | 75th percentile: 2.5 | max: 5.0