sql-formatter-org / sql-formatter-org/sql-formatter
db2i formatting does not work with JSON* functions
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- TypeScript
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Description
Describe the bug
JSON_OBJECT, JSON_ARRAY, JSON_ARRAGG, etc do not work with this plugin
Expected behavior
I expect these statements to be formatted
Actual behavior
The plugin returns a parse error
Usage
You can reproduce the issue on IBMi systems db2i:
SELECT JSON_OBJECT('key':'val') FROM SYSIBM.SYSDUMMY1;
To return complex JSON objects from DB2i, it's not uncommon to have a lot of JSON_OBJECTS and ARRAY, ARRAYAGG nested.
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reproducing the supplied JSON_OBJECT query in the formatter using the DB2i dialect, then trace the parse error through the SQL parsing and formatting entry points. The work is done when JSON_OBJECT, JSON_ARRAY, JSON_ARRAYAGG, and nested uses are formatted without a parse error, with regression coverage for the reported statement.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- sql, typescript
- Domain
- tooling
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100