fixup: minor cleanup

Author: fulghum

server/ast/create_function.go

@@ -19,9 +19,9 @@ import (
 	"strings"
 
 	"github.com/cockroachdb/errors"
-	"github.com/dolthub/doltgresql/core/id"
 	vitess "github.com/dolthub/vitess/go/vt/sqlparser"
 
+	"github.com/dolthub/doltgresql/core/id"
 	"github.com/dolthub/doltgresql/postgres/parser/parser"
 	"github.com/dolthub/doltgresql/postgres/parser/sem/tree"
 	"github.com/dolthub/doltgresql/postgres/parser/types"
@@ -131,9 +131,12 @@ func nodeCreateFunction(ctx *Context, node *tree.CreateFunction) (vitess.Stateme
 	}, nil
 }
 
-func createAnonymousCompositeType(returnTypes []tree.SimpleColumnDef) *pgtypes.DoltgresType {
-	attrs := make([]pgtypes.CompositeAttribute, len(returnTypes))
-	for i, fieldType := range returnTypes {
+// createAnonymousCompositeType creates a new DoltgresType for the anonymous composite return
+// type for a function, as represented by the |fieldTypes| that were specified in the function
+// definition.
+func createAnonymousCompositeType(fieldTypes []tree.SimpleColumnDef) *pgtypes.DoltgresType {
+	attrs := make([]pgtypes.CompositeAttribute, len(fieldTypes))
+	for i, fieldType := range fieldTypes {
 		attrs[i] = pgtypes.NewCompositeAttribute(nil, id.Null, fieldType.Name.String(),
 			id.NewType("", fieldType.Type.SQLString()), int16(i), "")
 	}

server/functions/framework/provider.go

@@ -19,9 +19,8 @@ import (
 
 	"github.com/dolthub/go-mysql-server/sql"
 
-	"github.com/dolthub/doltgresql/core/extensions"
-
 	"github.com/dolthub/doltgresql/core"
+	"github.com/dolthub/doltgresql/core/extensions"
 	"github.com/dolthub/doltgresql/core/id"
 	pgtypes "github.com/dolthub/doltgresql/server/types"
 )

testing/go/create_function_plpgsql_test.go

@@ -649,7 +649,6 @@ $$ LANGUAGE plpgsql;`},
 				},
 			},
 		},
-
 		{
 			Name: "RETURNS TABLE with param",
 			SetUpScript: []string{