apache / arrow-flight-sql-postgresql
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 25 files with 5,731 lines of code.
    • 0 files changed more than 100 times (0 lines of code)
    • 0 files changed 51-100 times (0 lines of code)
    • 1 file changed 21-50 times (4,027 lines of code)
    • 0 files changed 6-20 times (0 lines of code)
    • 24 files changed 1-5 times (1,704 lines of code)
0% | 0% | 70% | 0% | 29%
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 25 files with 5,731 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)
    • 0 files changed by 2-5 contributors (0 lines of code)
    • 25 files changed by 1 contributor (5,731 lines of code)
0% | 0% | 0% | 0% | 100%
Legend:
26+
11-25
6-10
2-5
1

explore: grouped by folders | grouped by contributors count | data
File Change Frequency per File Extension
rb, md, sh, yaml, cc, txt, svg, py, c, hh, gitignore, clang-format, dockerignore, sql, json, editorconfig, html
File Change Frequency per Extension
The number of recorded file updates
101+
51-100
21-50
6-20
1-5
cc0% | 0% | 86% | 0% | 13%
c0% | 0% | 0% | 0% | 100%
rb0% | 0% | 0% | 0% | 100%
py0% | 0% | 0% | 0% | 100%
hh0% | 0% | 0% | 0% | 100%
html0% | 0% | 0% | 0% | 100%
sql0% | 0% | 0% | 0% | 100%
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% | 100% | 0% | 0%
benchmark0% | 0% | 0% | 0% | 100%
example0% | 0% | 0% | 0% | 100%
package0% | 0% | 0% | 0% | 100%
doc0% | 0% | 0% | 0% | 100%
dev0% | 0% | 0% | 0% | 100%
ROOT0% | 0% | 0% | 0% | 100%
Most Frequently Changed Files (Top 25)

See data for all files...

File# lines# unitscreatedlast modified# changes
(days)		# contributorsfirst
contributor		latest
contributor
afs.cc
in src
 4027 131 2023-02-04 2025-01-01 25 1 kou@clear-code.com kou@clear-code.com
conf.py
in doc/source
 66 - 2023-08-28 2023-09-15 3 1 kou@clear-code.com kou@clear-code.com
7 - 2023-08-28 2023-08-29 2 1 kou@clear-code.com kou@clear-code.com
select-polars.py
in benchmark
 13 - 2023-11-13 2023-11-18 2 1 kou@clear-code.com kou@clear-code.com
graph.rb
in benchmark
 24 - 2023-11-13 2023-11-17 2 1 kou@clear-code.com kou@clear-code.com
markdown.rb
in benchmark
 61 1 2023-11-13 2023-11-17 2 1 kou@clear-code.com kou@clear-code.com
select.c
in benchmark
 97 - 2023-11-13 2023-11-18 2 1 kou@clear-code.com kou@clear-code.com
insert.cc
in benchmark
 110 - 2023-11-17 2023-11-18 2 1 kou@clear-code.com kou@clear-code.com
query-prepared.cc
in example/flight-sql
 141 - 2023-08-28 2023-09-14 2 1 kou@clear-code.com kou@clear-code.com
146 15 2023-08-28 2025-01-01 2 1 kou@clear-code.com kou@clear-code.com
insert-copy.cc
in benchmark
 149 - 2023-11-17 2023-11-18 2 1 kou@clear-code.com kou@clear-code.com
select-copy.c
in benchmark
 263 - 2023-11-17 2023-11-18 2 1 kou@clear-code.com kou@clear-code.com
select.sql
in benchmark
 1 - 2023-11-13 2023-11-13 1 1 kou@clear-code.com kou@clear-code.com
select-pandas.py
in benchmark
 9 - 2023-11-13 2023-11-13 1 1 kou@clear-code.com kou@clear-code.com
15 - 2023-11-13 2023-11-13 1 1 kou@clear-code.com kou@clear-code.com
16 - 2023-11-17 2023-11-17 1 1 kou@clear-code.com kou@clear-code.com
18 - 2023-11-13 2023-11-13 1 1 kou@clear-code.com kou@clear-code.com
20 - 2023-11-20 2023-11-20 1 1 kou@clear-code.com kou@clear-code.com
helper.rb
in root
 27 5 2023-08-25 2023-08-25 1 1 kou@clear-code.com kou@clear-code.com
30 - 2023-11-17 2023-11-17 1 1 kou@clear-code.com kou@clear-code.com
check_rat_report.py
in dev/release
 33 - 2023-02-06 2023-02-06 1 1 kou@clear-code.com kou@clear-code.com
insert.hh
in benchmark
 63 - 2023-11-18 2023-11-18 1 1 kou@clear-code.com kou@clear-code.com
authenticate-password.cc
in example/flight-sql
 104 - 2023-08-28 2023-08-28 1 1 kou@clear-code.com kou@clear-code.com
query-ad-hoc.cc
in example/flight-sql
 126 - 2023-08-28 2023-08-28 1 1 kou@clear-code.com kou@clear-code.com
165 - 2023-08-28 2023-08-28 1 1 kou@clear-code.com kou@clear-code.com
Files With Most Contributors (Top 25)
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
afs.cc
in src
 4027 131 2023-02-04 2025-01-01 25 1 kou@clear-code.com kou@clear-code.com
conf.py
in doc/source
 66 - 2023-08-28 2023-09-15 3 1 kou@clear-code.com kou@clear-code.com
7 - 2023-08-28 2023-08-29 2 1 kou@clear-code.com kou@clear-code.com
query-prepared.cc
in example/flight-sql
 141 - 2023-08-28 2023-09-14 2 1 kou@clear-code.com kou@clear-code.com
146 15 2023-08-28 2025-01-01 2 1 kou@clear-code.com kou@clear-code.com
select-copy.c
in benchmark
 263 - 2023-11-17 2023-11-18 2 1 kou@clear-code.com kou@clear-code.com
markdown.rb
in benchmark
 61 1 2023-11-13 2023-11-17 2 1 kou@clear-code.com kou@clear-code.com
select-polars.py
in benchmark
 13 - 2023-11-13 2023-11-18 2 1 kou@clear-code.com kou@clear-code.com
insert.cc
in benchmark
 110 - 2023-11-17 2023-11-18 2 1 kou@clear-code.com kou@clear-code.com
graph.rb
in benchmark
 24 - 2023-11-13 2023-11-17 2 1 kou@clear-code.com kou@clear-code.com
insert-copy.cc
in benchmark
 149 - 2023-11-17 2023-11-18 2 1 kou@clear-code.com kou@clear-code.com
select.c
in benchmark
 97 - 2023-11-13 2023-11-18 2 1 kou@clear-code.com kou@clear-code.com
check_rat_report.py
in dev/release
 33 - 2023-02-06 2023-02-06 1 1 kou@clear-code.com kou@clear-code.com
20 - 2023-11-20 2023-11-20 1 1 kou@clear-code.com kou@clear-code.com
authenticate-password.cc
in example/flight-sql
 104 - 2023-08-28 2023-08-28 1 1 kou@clear-code.com kou@clear-code.com
query-ad-hoc.cc
in example/flight-sql
 126 - 2023-08-28 2023-08-28 1 1 kou@clear-code.com kou@clear-code.com
165 - 2023-08-28 2023-08-28 1 1 kou@clear-code.com kou@clear-code.com
30 - 2023-11-17 2023-11-17 1 1 kou@clear-code.com kou@clear-code.com
16 - 2023-11-17 2023-11-17 1 1 kou@clear-code.com kou@clear-code.com
select-pandas.py
in benchmark
 9 - 2023-11-13 2023-11-13 1 1 kou@clear-code.com kou@clear-code.com
select.sql
in benchmark
 1 - 2023-11-13 2023-11-13 1 1 kou@clear-code.com kou@clear-code.com
15 - 2023-11-13 2023-11-13 1 1 kou@clear-code.com kou@clear-code.com
18 - 2023-11-13 2023-11-13 1 1 kou@clear-code.com kou@clear-code.com
insert.hh
in benchmark
 63 - 2023-11-18 2023-11-18 1 1 kou@clear-code.com kou@clear-code.com
helper.rb
in root
 27 5 2023-08-25 2023-08-25 1 1 kou@clear-code.com kou@clear-code.com
Files With Least Contributors (Top 25)
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
afs.cc
in src
 4027 131 2023-02-04 2025-01-01 25 1 kou@clear-code.com kou@clear-code.com
select-copy.c
in benchmark
 263 - 2023-11-17 2023-11-18 2 1 kou@clear-code.com kou@clear-code.com
165 - 2023-08-28 2023-08-28 1 1 kou@clear-code.com kou@clear-code.com
insert-copy.cc
in benchmark
 149 - 2023-11-17 2023-11-18 2 1 kou@clear-code.com kou@clear-code.com
146 15 2023-08-28 2025-01-01 2 1 kou@clear-code.com kou@clear-code.com
query-prepared.cc
in example/flight-sql
 141 - 2023-08-28 2023-09-14 2 1 kou@clear-code.com kou@clear-code.com
query-ad-hoc.cc
in example/flight-sql
 126 - 2023-08-28 2023-08-28 1 1 kou@clear-code.com kou@clear-code.com
insert.cc
in benchmark
 110 - 2023-11-17 2023-11-18 2 1 kou@clear-code.com kou@clear-code.com
authenticate-password.cc
in example/flight-sql
 104 - 2023-08-28 2023-08-28 1 1 kou@clear-code.com kou@clear-code.com
select.c
in benchmark
 97 - 2023-11-13 2023-11-18 2 1 kou@clear-code.com kou@clear-code.com
conf.py
in doc/source
 66 - 2023-08-28 2023-09-15 3 1 kou@clear-code.com kou@clear-code.com
insert.hh
in benchmark
 63 - 2023-11-18 2023-11-18 1 1 kou@clear-code.com kou@clear-code.com
markdown.rb
in benchmark
 61 1 2023-11-13 2023-11-17 2 1 kou@clear-code.com kou@clear-code.com
check_rat_report.py
in dev/release
 33 - 2023-02-06 2023-02-06 1 1 kou@clear-code.com kou@clear-code.com
30 - 2023-11-17 2023-11-17 1 1 kou@clear-code.com kou@clear-code.com
helper.rb
in root
 27 5 2023-08-25 2023-08-25 1 1 kou@clear-code.com kou@clear-code.com
graph.rb
in benchmark
 24 - 2023-11-13 2023-11-17 2 1 kou@clear-code.com kou@clear-code.com
20 - 2023-11-20 2023-11-20 1 1 kou@clear-code.com kou@clear-code.com
18 - 2023-11-13 2023-11-13 1 1 kou@clear-code.com kou@clear-code.com
16 - 2023-11-17 2023-11-17 1 1 kou@clear-code.com kou@clear-code.com
15 - 2023-11-13 2023-11-13 1 1 kou@clear-code.com kou@clear-code.com
select-polars.py
in benchmark
 13 - 2023-11-13 2023-11-18 2 1 kou@clear-code.com kou@clear-code.com
select-pandas.py
in benchmark
 9 - 2023-11-13 2023-11-13 1 1 kou@clear-code.com kou@clear-code.com
7 - 2023-08-28 2023-08-29 2 1 kou@clear-code.com kou@clear-code.com
select.sql
in benchmark
 1 - 2023-11-13 2023-11-13 1 1 kou@clear-code.com kou@clear-code.com
Correlations

File Size vs. Number of Changes: 25 points

package/arrow-flight-sql-postgresql-package-task.rb x: 146 lines of code y: 2 # changes src/afs.cc x: 4027 lines of code y: 25 # changes dev/filter-backtrace.rb x: 20 lines of code y: 1 # changes benchmark/insert.cc x: 110 lines of code y: 2 # changes benchmark/insert.hh x: 63 lines of code y: 1 # changes benchmark/select-copy.c x: 263 lines of code y: 2 # changes benchmark/select-polars.py x: 13 lines of code y: 2 # changes benchmark/select.c x: 97 lines of code y: 2 # changes benchmark/graph.rb x: 24 lines of code y: 2 # changes benchmark/insert-flight-sql.rb x: 30 lines of code y: 1 # changes benchmark/markdown.rb x: 61 lines of code y: 2 # changes benchmark/select-pandas.py x: 9 lines of code y: 1 # changes benchmark/select.sql x: 1 lines of code y: 1 # changes doc/source/conf.py x: 66 lines of code y: 3 # changes example/flight-sql/query-prepared.cc x: 141 lines of code y: 2 # changes doc/index.html x: 7 lines of code y: 2 # changes example/adbc/authenticate-password.c x: 165 lines of code y: 1 # changes example/flight-sql/authenticate-password.cc x: 104 lines of code y: 1 # changes example/flight-sql/query-ad-hoc.cc x: 126 lines of code y: 1 # changes helper.rb x: 27 lines of code y: 1 # changes
25.0
# changes
  min: 1.0
  average: 2.44
  25th percentile: 1.0
  median: 1.0
  75th percentile: 2.0
  max: 25.0
0 4027.0
lines of code
min: 1.0 | average: 229.24 | 25th percentile: 17.0 | median: 61.0 | 75th percentile: 133.5 | max: 4027.0

Number of Contributors vs. Number of Changes: 25 points

package/arrow-flight-sql-postgresql-package-task.rb x: 1 # contributors y: 2 # changes src/afs.cc x: 1 # contributors y: 25 # changes dev/filter-backtrace.rb x: 1 # contributors y: 1 # changes doc/source/conf.py x: 1 # contributors y: 3 # changes
25.0
# changes
  min: 1.0
  average: 2.44
  25th percentile: 1.0
  median: 1.0
  75th percentile: 2.0
  max: 25.0
0 1.0
# contributors
min: 1.0 | average: 1.0 | 25th percentile: 1.0 | median: 1.0 | 75th percentile: 1.0 | max: 1.0

Number of Contributors vs. File Size: 25 points

package/arrow-flight-sql-postgresql-package-task.rb x: 1 # contributors y: 146 lines of code src/afs.cc x: 1 # contributors y: 4027 lines of code dev/filter-backtrace.rb x: 1 # contributors y: 20 lines of code benchmark/insert.cc x: 1 # contributors y: 110 lines of code benchmark/insert.hh x: 1 # contributors y: 63 lines of code benchmark/select-copy.c x: 1 # contributors y: 263 lines of code benchmark/select-polars.py x: 1 # contributors y: 13 lines of code doc/source/conf.py x: 1 # contributors y: 66 lines of code example/flight-sql/query-prepared.cc x: 1 # contributors y: 141 lines of code example/adbc/authenticate-password.c x: 1 # contributors y: 165 lines of code example/flight-sql/query-ad-hoc.cc x: 1 # contributors y: 126 lines of code dev/release/check_rat_report.py x: 1 # contributors y: 33 lines of code
4027.0
lines of code
  min: 1.0
  average: 229.24
  25th percentile: 17.0
  median: 61.0
  75th percentile: 133.5
  max: 4027.0
0 1.0
# contributors
min: 1.0 | average: 1.0 | 25th percentile: 1.0 | median: 1.0 | 75th percentile: 1.0 | max: 1.0