fix(server-utils): Sanitize SQL Server bracketed identifiers - #24255
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SQL really is another one of those "there are 15 competing standards" XKCD situations 😅
Good change, thanks!
| if (system === 'mssql' || system === 'sqlserver' || system === 'microsoft.sql_server') { | ||
| return 'mssql'; | ||
| } | ||
| return undefined; |
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l: should this return 'standard', to better match with the SqlDialect type? logaf-l, feel free to disregard!
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Follow-up for #24248, which left the SQL Server case open.
The sanitizer had no state for T-SQL
[bracketed]identifiers, so a quote inside one desynced it:SELECT * FROM [dbo].[user's] WHERE email = 'jane@example.com'leaked the address intodb.query.textanddb.query.summary.There is now an
mssqldialect that reads[...]as an identifier, and tedious, knex and Prisma route to it through a newtoSqlDialect()helper.Two older leaks turned up while testing it: an identifier run ending in an escaped closer (
[a]],"") was treated as closed and copied out whole, and T-SQL money literals ($1000) survived because the integer pattern protects PostgreSQL$nplaceholders.Known limit: SQLite accepts
[...]too, but shares thestandarddialect with PostgreSQL, where reading brackets as identifiers would keepARRAY['secret']raw.Sources:
N'...'): https://learn.microsoft.com/en-us/sql/t-sql/data-types/constants-transact-sql