Query failed: Conversion overflows.

[freylane]

• MSSQL Extension Version: 1.4.0
• VSCode Version: 1.31.1
• OS Version: Windows_NT x64 10.0.15063

Steps to Reproduce:

1. Create a table in SQL Server with a column with data type numeric(38,0).
2. Populate the column with 38 digit numbers.
3. Use the MSSQL extension to query the column from the table.

This results in the following error in the Messages window:

Query failed: Conversion overflows.

The output window logs the following error:

[2019-03-01 09:02:46.724] [exthost] [error] [ms-mssql.mssql] provider FAILED
[2019-03-01 09:02:46.724] [exthost] [error] TypeError: Cannot read property 'map' of null
    at asSignatureInformations

This is in protocolConverter.js:133:22.

[philosophicles]

Above linked issue on the azuredatastudio project is probably the same bug, and has had considerably more investigation/analysis time devoted to it already.

Thought I'd cross-link for visibility when people like me search, and in case it helps to bring these different application teams together!

[kburtram]

Closing as duplicate of #1798, which contains the current repro behavior for this bug. Thanks!