add new sp_estindex (#149)

* Create sp_predindex.sql

Author: lowlydba

.gitattributes

@@ -1,5 +1,6 @@
 # linguist overrides
 *.sql linguist-language=TSQL
+*.sql diff
 
 # line endings for code coverage files
 appveyor/sqlcover/*       text eol=lf

appveyor/generate_combined_script.ps1

@@ -5,4 +5,4 @@ if (Test-Path $File) {
     Remove-Item $File
 }
 
-Get-Item $Filter | Get-Content | Out-File $File
+Get-Item $Filter | Get-Content | Out-File $File -Encoding utf8

appveyor/run_tsqllint.ps1

@@ -4,5 +4,7 @@ param(
     $Color = "Green"
     )
 
+$ErrorActionPreference = "Stop"
+
 Write-Host "Running TSQLLint with config $Config..." -ForegroundColor $Color
 tsqllint -c $Config *.sql

appveyor/sqlcover/Coverage.opencoverxml

@@ -78,6 +78,8 @@ BEGIN
 	IF (@DatabaseName IS NULL)
 		BEGIN
 			SET @DatabaseName = DB_NAME();
+			SET @Msg = 'No database provided, assuming current database.';
+            RAISERROR(@Msg, 10, 1) WITH NOWAIT;
 		END
 	ELSE IF (DB_ID(@DatabaseName) IS NULL)
 		BEGIN;