Line counter overflows after 65535 lines

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#814 opened on Sep 22, 2026 0 comments 0 reactions 0 assignees View on GitHub

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Assessment

Difficulty: 3/5
Estimated time: 1-2 days
Newbie friendliness: 55/100

Issue type: Bug
Clarity: Mostly clear
Activity status: Active
Tech stack: go
Domain: cli

Research direction

Reproduce the issue through the sqlcmd -i file.sql entry point with a script exceeding 65,535 lines, then trace how input line numbers are counted and reported in the error message. Done means an error on line 66,148 reports line 66,148 rather than an overflowed value.

Written by the indexing model from the issue text.

Description

Suppose you run a script with sqlcmd -i file.sql and you have an error in its 66148 line.
sqlcmd will report a wrong line in an error message.

Msg 208, Level 16, State 1, Server mssql\SQLEXPRESS, Line 613
Invalid object name 'default.dbo.ASSETS_EXTERNAL'.

It seems that the counter overflows. Not a huge deal, but took an hour of my time today :/

Dominant language: Go
Stars: 595
Forks: 91
Avg merge: 9h 35m
Merged PRs (30d): 1

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