id,node_id,number,title,user,user_label,state,locked,assignee,assignee_label,milestone,milestone_label,comments,created_at,updated_at,closed_at,author_association,pull_request,body,repo,repo_label,type,active_lock_reason,performed_via_github_app,reactions,draft,state_reason
743071410,MDExOlB1bGxSZXF1ZXN0NTIxMDU0NjEy,13,SQLite does not have case sensitive columns,1689944,tomaskrehlik,open,0,,,,,1,2020-11-14T20:12:32Z,2021-08-24T13:28:26Z,,FIRST_TIME_CONTRIBUTOR,dogsheep/healthkit-to-sqlite/pulls/13,"This solves a weird issue when there is record with metadata key
that is only different in letter cases.

See the test for details.",197882382,healthkit-to-sqlite,pull,,,"{""url"": ""https://api.github.com/repos/dogsheep/healthkit-to-sqlite/issues/13/reactions"", ""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",0,
978086284,MDExOlB1bGxSZXF1ZXN0NzE4NzM0MTkx,22,Make sure that case-insensitive column names are unique,32016596,FabianHertwig,open,0,,,,,1,2021-08-24T13:13:38Z,2021-08-24T13:26:20Z,,FIRST_TIME_CONTRIBUTOR,dogsheep/healthkit-to-sqlite/pulls/22,"This closes #21.

When there are metadata entries with the same case insensitive string, then there is an error when trying to create a new column for that metadata entry in the database table, because a column with that case insensitive name already exists.

```xml
 <Record type=""HKQuantityTypeIdentifierDietaryCholesterol"" sourceName=""MyFitnessPal"" sourceVersion=""35120"" unit=""mg"" creationDate=""2021-07-04 20:55:27 +0200"" startDate=""2021-07-04 20:55:00 +0200"" endDate=""2021-07-04 20:55:00 +0200"" value=""124"">
  <MetadataEntry key=""meal"" value=""Dinner""/>
  <MetadataEntry key=""Meal"" value=""Dinner""/>
 </Record>
```

The code added in this PR checks if a key already exists in a record and if so adds a number at its end. The resulting column names look like the example below then. Interestingly, the column names viewed with Datasette are not case insensitive.

```text
startDate, endDate, value, unit, sourceName, sourceVersion, creationDate, metadata_meal, metadata_Meal_2, metadata_Mahlzeit
```
",197882382,healthkit-to-sqlite,pull,,,"{""url"": ""https://api.github.com/repos/dogsheep/healthkit-to-sqlite/issues/22/reactions"", ""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",0,
977128935,MDU6SXNzdWU5NzcxMjg5MzU=,21,Duplicate Column,32016596,FabianHertwig,open,0,,,,,1,2021-08-23T15:00:44Z,2021-08-23T17:00:59Z,,NONE,,"Hey, thank you for this repo!

When I try to convert my export, I get a multiple column error. Here is the stack trace:

```sh
(.venv) (base) computer:bodyweight_app user$ healthkit-to-sqlite ./data/Health_export.zip ./data/healthkit.db
Importing from HealthKit  [###############################-----]   87%  00:00:22
Traceback (most recent call last):
  File ""/MyProject/.venv/bin/healthkit-to-sqlite"", line 10, in <module>
    sys.exit(cli())
  File ""/MyProject/.venv/lib/python3.7/site-packages/click/core.py"", line 829, in __call__
    return self.main(*args, **kwargs)
  File ""/MyProject/.venv/lib/python3.7/site-packages/click/core.py"", line 782, in main
    rv = self.invoke(ctx)
  File ""/MyProject/.venv/lib/python3.7/site-packages/click/core.py"", line 1066, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File ""/MyProject/.venv/lib/python3.7/site-packages/click/core.py"", line 610, in invoke
    return callback(*args, **kwargs)
  File ""/MyProject/.venv/lib/python3.7/site-packages/healthkit_to_sqlite/cli.py"", line 57, in cli
    convert_xml_to_sqlite(fp, db, progress_callback=bar.update, zipfile=zf)
  File ""/MyProject/.venv/lib/python3.7/site-packages/healthkit_to_sqlite/utils.py"", line 41, in convert_xml_to_sqlite
    write_records(records, db)
  File ""/MyProject/.venv/lib/python3.7/site-packages/healthkit_to_sqlite/utils.py"", line 146, in write_records
    batch_size=50,
  File ""/MyProject/.venv/lib/python3.7/site-packages/sqlite_utils/db.py"", line 2579, in insert_all
    extracts=extracts,
  File ""/MyProject/.venv/lib/python3.7/site-packages/sqlite_utils/db.py"", line 1246, in create
    extracts=extracts,
  File ""/MyProject/.venv/lib/python3.7/site-packages/sqlite_utils/db.py"", line 767, in create_table
    self.execute(sql)
  File ""/MyProject/.venv/lib/python3.7/site-packages/sqlite_utils/db.py"", line 421, in execute
    return self.conn.execute(sql)
sqlite3.OperationalError: duplicate column name: metadata_Meal
```",197882382,healthkit-to-sqlite,issue,,,"{""url"": ""https://api.github.com/repos/dogsheep/healthkit-to-sqlite/issues/21/reactions"", ""total_count"": 5, ""+1"": 5, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,
470856782,MDU6SXNzdWU0NzA4NTY3ODI=,6,Break up records into different tables for each type,9599,simonw,closed,0,,,,,1,2019-07-22T01:54:59Z,2019-07-22T03:28:55Z,2019-07-22T03:28:50Z,MEMBER,,"I don't think there's much benefit to having all of the different record types stored in the same enormous table. Here's what I get when I use `_facet=type`:

<img width=""358"" alt=""hello2__records__2_672_233_rows"" src=""https://user-images.githubusercontent.com/9599/61601118-e2f54d00-abe8-11e9-8bf6-3df2ef969112.png"">

I'm going to try splitting these up into separate tables - so `HKQuantityTypeIdentifierBodyMassIndex` becomes a table called `rBodyMassIndex` - and see if that's nicer to work with.",197882382,healthkit-to-sqlite,issue,,,"{""url"": ""https://api.github.com/repos/dogsheep/healthkit-to-sqlite/issues/6/reactions"", ""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,completed
470637152,MDU6SXNzdWU0NzA2MzcxNTI=,2,Import workouts,9599,simonw,closed,0,,,,,1,2019-07-20T05:20:21Z,2019-07-20T06:21:41Z,2019-07-20T06:21:41Z,MEMBER,,From #1,197882382,healthkit-to-sqlite,issue,,,"{""url"": ""https://api.github.com/repos/dogsheep/healthkit-to-sqlite/issues/2/reactions"", ""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,completed
470640505,MDU6SXNzdWU0NzA2NDA1MDU=,4,Import Records,9599,simonw,closed,0,,,,,1,2019-07-20T06:11:20Z,2019-07-20T06:21:41Z,2019-07-20T06:21:41Z,MEMBER,,"From #1:
```python
 'Record': {'attr_counts': {'creationDate': 2672233,
                            'device': 2665111,
                            'endDate': 2672233,
                            'sourceName': 2672233,
                            'sourceVersion': 2671779,
                            'startDate': 2672233,
                            'type': 2672233,
                            'unit': 2650012,
                            'value': 2672232},
            'child_counts': {'HeartRateVariabilityMetadataList': 2318,
                             'MetadataEntry': 287974},
            'count': 2672233,
            'parent_counts': {'Correlation': 2, 'HealthData': 2672231}},
```",197882382,healthkit-to-sqlite,issue,,,"{""url"": ""https://api.github.com/repos/dogsheep/healthkit-to-sqlite/issues/4/reactions"", ""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,completed
470637068,MDU6SXNzdWU0NzA2MzcwNjg=,1,Use XML Analyser to figure out the structure of the export XML,9599,simonw,closed,0,,,,,1,2019-07-20T05:19:02Z,2019-07-20T05:20:09Z,2019-07-20T05:20:09Z,MEMBER,,https://github.com/simonw/xml_analyser,197882382,healthkit-to-sqlite,issue,,,"{""url"": ""https://api.github.com/repos/dogsheep/healthkit-to-sqlite/issues/1/reactions"", ""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,completed