#1402 Get CountRows from sheet

[ivolkoff]

PR Details

Get CountRows from sheet

Description

Get CountRows from sheet

Related Issue

#1402

Motivation and Context

Current solutions are slow. My solution is fast.

file 1М rows
| - | - | - |
|---|---|---|
| BenchmarkFile_GetRows_Old-8 | 1 | 5797898958 ns/op |
| BenchmarkFile_GetRows_New-8 | 3 | 411330472 ns/op |

How Has This Been Tested

Run test TestFile_CountRows

Types of changes

• Docs change / refactoring / dependency upgrade
• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.