Expose a common interface between Client and Tx (#302)

export.go

@@ -71,6 +71,10 @@ type (
 	// ErrorTag is the argument type to Error.HasTag().
 	ErrorTag = edgedb.ErrorTag
 
+	// Executor is a common interface between Client and Tx,
+	// that can run queries on an EdgeDB database.
+	Executor = edgedb.Executor
+
 	// IsolationLevel documentation can be found here
 	// https://www.edgedb.com/docs/reference/edgeql/tx_start#parameters
 	IsolationLevel = edgedb.IsolationLevel

internal/client/executor.go

@@ -0,0 +1,29 @@
+// This source file is part of the EdgeDB open source project.
+//
+// Copyright EdgeDB Inc. and the EdgeDB authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package edgedb
+
+import "context"
+
+// Executor is a common interface between *Client and *Tx,
+// that can run queries on an EdgeDB database.
+type Executor interface {
+	Execute(context.Context, string, ...any) error
+	Query(context.Context, string, any, ...any) error
+	QueryJSON(context.Context, string, *[]byte, ...any) error
+	QuerySingle(context.Context, string, any, ...any) error
+	QuerySingleJSON(context.Context, string, any, ...any) error
+}

rstdocs/api.rst

@@ -47,6 +47,18 @@ ErrorTag is the argument type to Error.HasTag().
     type ErrorTag = edgedb.ErrorTag
 
 
+*type* Executor
+---------------
+
+Executor is a common interface between Client and Tx,
+that can run queries on an EdgeDB database.
+
+
+.. code-block:: go
+
+    type Executor = edgedb.Executor
+
+
 *type* IsolationLevel
 ---------------------