Fix evaluation of variables in included files (#116)

* Fix variable evaluation in files that lack GO statements

* undo launch json

* update go-mssqldb import

* update go to 1.18

* fix github action for go 1.18

Author: shueybubbles

.github/workflows/pr-validation.yml

@@ -13,7 +13,7 @@ jobs:
     - name: Setup go
       uses: actions/setup-go@v2
       with:
-        go-version: '1.16.5'
+        go-version: '1.18'
     - name: Run tests against Linux SQL
       run: |
         go version

.pipelines/include-install-go-tools.yml

@@ -1,7 +1,7 @@
 steps: 
   - task: GoTool@0
     inputs:
-      version: '1.16.5'
+      version: '1.18'
   - task: Go@0
     displayName: 'Go: get dependencies'
     inputs:

.vscode/launch.json

@@ -4,6 +4,7 @@
     // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
     "version": "0.2.0",
     "configurations": [
+    
 
         {
 

go.mod

@@ -1,14 +1,31 @@
 module github.com/microsoft/go-sqlcmd
 
-go 1.16
+go 1.18
 
 require (
 	github.com/alecthomas/kong v0.5.1-0.20220516223738-0aaa4c11997b
 	github.com/golang-sql/sqlexp v0.1.0
 	github.com/google/uuid v1.3.0
-	github.com/microsoft/go-mssqldb v0.14.0
+	github.com/microsoft/go-mssqldb v0.16.0
 	github.com/peterh/liner v1.2.2
-	github.com/pkg/errors v0.9.1 // indirect
 	github.com/stretchr/testify v1.7.1
-	golang.org/x/text v0.3.6
+	golang.org/x/text v0.3.7
+)
+
+require (
+	github.com/Azure/azure-sdk-for-go/sdk/azcore v1.0.0 // indirect
+	github.com/Azure/azure-sdk-for-go/sdk/azidentity v1.0.0 // indirect
+	github.com/Azure/azure-sdk-for-go/sdk/internal v1.0.0 // indirect
+	github.com/AzureAD/microsoft-authentication-library-for-go v0.4.0 // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/golang-jwt/jwt v3.2.2+incompatible // indirect
+	github.com/golang-sql/civil v0.0.0-20190719163853-cb61b32ac6fe // indirect
+	github.com/kylelemons/godebug v1.1.0 // indirect
+	github.com/mattn/go-runewidth v0.0.3 // indirect
+	github.com/pkg/browser v0.0.0-20210911075715-681adbf594b8 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	golang.org/x/crypto v0.0.0-20220511200225-c6db032c6c88 // indirect
+	golang.org/x/net v0.0.0-20220425223048-2871e0cb64e4 // indirect
+	golang.org/x/sys v0.0.0-20220224120231-95c6836cb0e7 // indirect
+	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b // indirect
 )

go.sum

@@ -1,65 +1,86 @@
-github.com/Azure/azure-sdk-for-go/sdk/azcore v0.19.0 h1:lhSJz9RMbJcTgxifR1hUNJnn6CNYtbgEDtQV22/9RBA=
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pkg/sqlcmd/sqlcmd.go

@@ -100,7 +100,6 @@ func (s *Sqlcmd) Run(once bool, processAll bool) error {
 	iactive := s.lineIo != nil
 	var lastError error
 	for {
-		var execute bool
 		if iactive {
 			s.lineIo.SetPrompt(s.Prompt())
 		}
@@ -125,10 +124,14 @@ func (s *Sqlcmd) Run(once bool, processAll bool) error {
 				if s.batch.Length == 0 {
 					return lastError
 				}
-				execute = processAll
-				if !execute {
+
+				if !processAll {
 					return nil
 				}
+				// Run the GO and exit
+				cmd = s.Cmd["GO"]
+				args = make([]string, 0)
+				once = true
 			} else {
 				_, _ = s.GetOutput().Write([]byte(err.Error() + SqlcmdEol))
 			}
@@ -153,11 +156,6 @@ func (s *Sqlcmd) Run(once bool, processAll bool) error {
 			lastError = err
 			break
 		}
-		if execute {
-			s.Query = s.batch.String()
-			once = true
-			s.batch.Reset(nil)
-		}
 	}
 	return lastError
 }

pkg/sqlcmd/sqlcmd_test.go

@@ -171,6 +171,20 @@ func TestIncludeFileProcessAll(t *testing.T) {
 	}
 }
 
+func TestIncludeFileWithVariables(t *testing.T) {
+	s, buf := setupSqlCmdWithMemoryOutput(t)
+	defer buf.Close()
+	dataPath := "testdata" + string(os.PathSeparator)
+	err := s.IncludeFile(dataPath+"variablesnogo.sql", true)
+	if assert.NoError(t, err, "IncludeFile variablesnogo.sql true") {
+		assert.Equal(t, "=", s.batch.State(), "s.batch.State() after IncludeFile variablesnogo.sql true")
+		assert.Equal(t, "", s.batch.String(), "s.batch.String() after IncludeFile variablesnogo.sql true")
+		s.SetOutput(nil)
+		o := buf.buf.String()
+		assert.Equal(t, "100"+SqlcmdEol+SqlcmdEol, o)
+	}
+}
+
 func TestGetRunnableQuery(t *testing.T) {
 	v := InitializeVariables(false)
 	v.Set("var1", "v1")

pkg/sqlcmd/testdata/variablesnogo.sql

@@ -0,0 +1,5 @@
+set nocount on
+:setvar hundred 100
+-- comment
+select $(hundred)
+