Support ndc-spec 0.1.6 (#137)

README.md

@@ -6,7 +6,7 @@ All functions of the Connector interface are analogous to their Rust counterpart
 
 ## Features
 
-The SDK fully supports [NDC Specification v0.1.5](https://hasura.github.io/ndc-spec/specification/changelog.html#015) and [Connector Deployment spec](https://github.com/hasura/ndc-hub/blob/main/rfcs/0000-deployment.md) with following features:
+The SDK fully supports [NDC Specification v0.1.6](https://hasura.github.io/ndc-spec/specification/changelog.html#016) and [Connector Deployment spec](https://github.com/hasura/ndc-hub/blob/main/rfcs/0000-deployment.md) with following features:
 
 - Connector HTTP server
 - Authentication

cmd/hasura-ndc-go/command/test_snapshots.go

@@ -154,10 +154,7 @@ func (cmd *genTestSnapshotsCommand) genQueryArguments(arguments schema.FunctionI
 		if err != nil {
 			return nil, err
 		}
-		result[key] = schema.Argument{
-			Type:  schema.ArgumentTypeLiteral,
-			Value: value,
-		}
+		result[key] = schema.NewArgumentLiteral(value).Encode()
 	}
 	return result, nil
 }

cmd/hasura-ndc-go/templates/new/connector.go.tmpl

@@ -9,7 +9,7 @@ import (
 )
 
 var connectorCapabilities = schema.CapabilitiesResponse{
-	Version: "0.1.5",
+	Version: "0.1.6",
 	Capabilities: schema.Capabilities{
 		Query: schema.QueryCapabilities{
 			Variables:    schema.LeafCapability{},

cmd/hasura-ndc-go/testdata/basic/source/connector.go

@@ -9,7 +9,7 @@ import (
 )
 
 var connectorCapabilities = schema.CapabilitiesResponse{
-	Version: "0.1.5",
+	Version: "0.1.6",
 	Capabilities: schema.Capabilities{
 		Query: schema.QueryCapabilities{
 			Variables: schema.LeafCapability{},

cmd/hasura-ndc-go/testdata/empty/source/connector.go

@@ -9,7 +9,7 @@ import (
 )
 
 var connectorCapabilities = schema.CapabilitiesResponse{
-	Version: "0.1.5",
+	Version: "0.1.6",
 	Capabilities: schema.Capabilities{
 		Query: schema.QueryCapabilities{
 			Variables: schema.LeafCapability{},

cmd/hasura-ndc-go/testdata/subdir/source/connector/connector.go

@@ -9,7 +9,7 @@ import (
 )
 
 var connectorCapabilities = schema.CapabilitiesResponse{
-	Version: "0.1.5",
+	Version: "0.1.6",
 	Capabilities: schema.Capabilities{
 		Query: schema.QueryCapabilities{
 			Variables: schema.LeafCapability{},

connector/server_test.go

@@ -455,7 +455,7 @@ func TestServerConnector(t *testing.T) {
 	})
 
 	t.Run("POST /query/explain - json decode failure", func(t *testing.T) {
-		res, err := httpPostJSON(fmt.Sprintf("%s/query/explain", httpServer.URL), schema.QueryRequest{})
+		res, err := httpPostJSON(fmt.Sprintf("%s/query/explain", httpServer.URL), map[string]any{})
 		if err != nil {
 			t.Errorf("expected no error, got %s", err)
 			t.FailNow()
@@ -483,7 +483,7 @@ func TestServerConnector(t *testing.T) {
 	})
 
 	t.Run("POST /mutation/explain - json decode failure", func(t *testing.T) {
-		res, err := httpPostJSON(fmt.Sprintf("%s/mutation/explain", httpServer.URL), schema.MutationRequest{})
+		res, err := httpPostJSON(fmt.Sprintf("%s/mutation/explain", httpServer.URL), map[string]any{})
 		if err != nil {
 			t.Errorf("expected no error, got %s", err)
 			t.FailNow()

example/codegen/connector.go

@@ -9,7 +9,7 @@ import (
 )
 
 var connectorCapabilities = schema.CapabilitiesResponse{
-	Version: "0.1.5",
+	Version: "0.1.6",
 	Capabilities: schema.Capabilities{
 		Query: schema.QueryCapabilities{
 			Variables:    schema.LeafCapability{},

example/codegen/test.sh

@@ -8,7 +8,7 @@ cd "$(dirname "${BASH_SOURCE[0]}")"
 mkdir -p ./dist
 
 if [ ! -f ./dist/ndc-test ]; then
-  curl -L https://github.com/hasura/ndc-spec/releases/download/v0.1.5/ndc-test-x86_64-unknown-linux-gnu -o ./dist/ndc-test
+  curl -L https://github.com/hasura/ndc-spec/releases/download/v0.1.6/ndc-test-x86_64-unknown-linux-gnu -o ./dist/ndc-test
   chmod +x ./dist/ndc-test
 fi
 

example/codegen/testdata/capabilities

@@ -1,5 +1,5 @@
 {
-  "version": "0.1.5",
+  "version": "0.1.6",
   "capabilities": {
     "query": {
       "variables": {}

example/reference/connector.go

@@ -112,7 +112,7 @@ func (mc *Connector) HealthCheck(ctx context.Context, configuration *Configurati
 
 func (mc *Connector) GetCapabilities(configuration *Configuration) schema.CapabilitiesResponseMarshaler {
 	return &schema.CapabilitiesResponse{
-		Version: "0.1.5",
+		Version: "0.1.6",
 		Capabilities: schema.Capabilities{
 			Query: schema.QueryCapabilities{
 				Aggregates: schema.LeafCapability{},
@@ -514,17 +514,9 @@ func executeQueryWithVariables(
 	variables map[string]any,
 	state *State,
 ) (*schema.RowSet, error) {
-	argumentValues := make(map[string]schema.Argument)
-
-	for argumentName, argument := range arguments {
-		argumentValue, err := evalArgument(variables, &argument)
-		if err != nil {
-			return nil, err
-		}
-		argumentValues[argumentName] = schema.Argument{
-			Type:  schema.ArgumentTypeLiteral,
-			Value: argumentValue,
-		}
+	argumentValues, err := utils.ResolveArgumentVariables(arguments, variables)
+	if err != nil {
+		return nil, err
 	}
 
 	coll, err := getCollectionByName(collection, argumentValues, state)
@@ -924,16 +916,13 @@ func evalInCollection(
 		source := []map[string]any{item}
 		return evalPathElement(collectionRelationships, variables, state, &relationship, inCol.Arguments, source, nil)
 	case *schema.ExistsInCollectionUnrelated:
-		arguments := make(map[string]schema.Argument)
+		arguments := make(map[string]any)
 		for key, relArg := range inCol.Arguments {
 			argValue, err := evalRelationshipArgument(variables, item, &relArg)
 			if err != nil {
 				return nil, err
 			}
-			arguments[key] = schema.Argument{
-				Type:  schema.ArgumentTypeLiteral,
-				Value: argValue,
-			}
+			arguments[key] = argValue
 		}
 		return getCollectionByName(inCol.Collection, arguments, state)
 	default:
@@ -1046,7 +1035,7 @@ func evalPathElement(
 	source []map[string]any,
 	predicate schema.Expression,
 ) ([]map[string]any, error) {
-	allArguments := make(map[string]schema.Argument)
+	allArguments := make(map[string]any)
 	var matchingRows []map[string]any
 
 	// Note: Join strategy
@@ -1072,10 +1061,7 @@ func evalPathElement(
 			if err != nil {
 				return nil, err
 			}
-			allArguments[argName] = schema.Argument{
-				Type:  schema.ArgumentTypeLiteral,
-				Value: relValue,
-			}
+			allArguments[argName] = relValue
 		}
 		for argName, arg := range arguments {
 			if _, ok := allArguments[argName]; ok {
@@ -1085,10 +1071,7 @@ func evalPathElement(
 			if err != nil {
 				return nil, err
 			}
-			allArguments[argName] = schema.Argument{
-				Type:  schema.ArgumentTypeLiteral,
-				Value: relValue,
-			}
+			allArguments[argName] = relValue
 		}
 
 		targetRows, err := getCollectionByName(relationship.TargetCollection, allArguments, state)
@@ -1122,27 +1105,28 @@ func evalPathElement(
 }
 
 func evalRelationshipArgument(variables map[string]any, row map[string]any, argument *schema.RelationshipArgument) (any, error) {
-	switch argument.Type {
-	case schema.RelationshipArgumentTypeColumn:
-		value, ok := row[argument.Name]
+	argT, err := argument.InterfaceT()
+	switch arg := argT.(type) {
+	case *schema.RelationshipArgumentColumn:
+		value, ok := row[arg.Name]
 		if !ok {
-			return nil, schema.UnprocessableContentError(fmt.Sprintf("invalid column name: %s", argument.Name), nil)
+			return nil, schema.UnprocessableContentError(fmt.Sprintf("invalid column name: %s", arg.Name), nil)
 		}
 		return value, nil
-	case schema.RelationshipArgumentTypeLiteral:
-		return argument.Value, nil
-	case schema.RelationshipArgumentTypeVariable:
-		variable, ok := variables[argument.Name]
+	case *schema.RelationshipArgumentLiteral:
+		return arg.Value, nil
+	case *schema.RelationshipArgumentVariable:
+		variable, ok := variables[arg.Name]
 		if !ok {
-			return nil, schema.UnprocessableContentError(fmt.Sprintf("invalid variable name: %s", argument.Name), nil)
+			return nil, schema.UnprocessableContentError(fmt.Sprintf("invalid variable name: %s", arg.Name), nil)
 		}
 		return variable, nil
 	default:
-		return nil, schema.UnprocessableContentError(fmt.Sprintf("invalid argument type: %s", argument.Type), nil)
+		return nil, schema.UnprocessableContentError(err.Error(), nil)
 	}
 }
 
-func getCollectionByName(collectionName string, arguments schema.QueryRequestArguments, state *State) ([]map[string]any, error) {
+func getCollectionByName(collectionName string, arguments map[string]any, state *State) ([]map[string]any, error) {
 	var rows []map[string]any
 	switch collectionName {
 	// function
@@ -1189,21 +1173,18 @@ func getCollectionByName(collectionName string, arguments schema.QueryRequestArg
 			rows = append(rows, row)
 		}
 	case "articles_by_author":
-		authorIdArg, ok := arguments["author_id"]
+		authorId, ok := arguments["author_id"]
 		if !ok {
 			return nil, schema.UnprocessableContentError("missing argument author_id", nil)
 		}
 
 		for _, row := range state.Articles {
-			switch authorIdArg.Type {
-			case schema.ArgumentTypeLiteral:
-				if fmt.Sprint(row.AuthorID) == fmt.Sprint(authorIdArg.Value) {
-					r, err := utils.EncodeObject(row)
-					if err != nil {
-						return nil, err
-					}
-					rows = append(rows, r)
+			if fmt.Sprint(row.AuthorID) == fmt.Sprint(authorId) {
+				r, err := utils.EncodeObject(row)
+				if err != nil {
+					return nil, err
 				}
+				rows = append(rows, r)
 			}
 		}
 	default:
@@ -1454,21 +1435,6 @@ func evalExpression(
 	}
 }
 
-func evalArgument(variables map[string]any, argument *schema.Argument) (any, error) {
-	switch argument.Type {
-	case schema.ArgumentTypeVariable:
-		value, ok := variables[argument.Name]
-		if !ok {
-			return nil, schema.UnprocessableContentError(fmt.Sprintf("invalid variable name: %s", argument.Name), nil)
-		}
-		return value, nil
-	case schema.ArgumentTypeLiteral:
-		return argument.Value, nil
-	default:
-		return nil, schema.UnprocessableContentError(fmt.Sprintf("invalid argument type: %s", argument.Type), nil)
-	}
-}
-
 func evalColumnMapping(relationship *schema.Relationship, srcRow map[string]any, target map[string]any) (bool, error) {
 	for srcColumn, targetColumn := range relationship.ColumnMapping {
 		srcValue, ok := srcRow[srcColumn]

example/reference/connector_test.go

@@ -14,7 +14,7 @@ import (
 	"github.com/hasura/ndc-sdk-go/schema"
 )
 
-const test_SpecVersion = "v0.1.5"
+const test_SpecVersion = "v0.1.6"
 
 func createTestServer(t *testing.T) *connector.Server[Configuration, State] {
 	server, err := connector.NewServer[Configuration, State](&Connector{}, &connector.ServerOptions{

example/reference/testdata/capabilities

@@ -1,5 +1,5 @@
 {
-  "version": "0.1.5",
+  "version": "0.1.6",
   "capabilities": {
     "query": {
       "aggregates": {},