JiT: protos update to enable execution in CLI (#2107)

- Enhance error coercion in common/errors/errors.ts
- Sync protos/execution.proto and protos/jit.proto with new fields

Author: rafal-hawrylak

common/errors/errors.ts

@@ -15,10 +15,10 @@ export function coerceAsError<T extends Error | any>(errorLike: T): T extends Er
   if ((errorLike as any) instanceof Error) {
     return errorLike as any;
   }
-  const error = (errorLike as any) as Error;
+  const error = errorLike as any;
   // Otherwise, attempt to reconstruct an error class from the object.
-  const message = error.message ? String(error.message) : String(errorLike);
-  const coercedError = new Error(message);
+  const message = error.message || error.error || (typeof errorLike === "string" ? errorLike : JSON.stringify(errorLike));
+  const coercedError = new Error(String(message));
   if (error.stack) {
     coercedError.stack = error.stack;
   }

protos/execution.proto

@@ -4,6 +4,7 @@ package dataform;
 
 import "protos/core.proto";
 import "protos/db_adapter.proto";
+import "google/protobuf/struct.proto";
 
 option go_package = "github.com/dataform-co/dataform/protos/dataform";
 
@@ -43,6 +44,8 @@ message ExecutionAction {
 
   ActionDescriptor action_descriptor = 9;
 
+  string jit_code = 12;
+
   reserved 1, 3, 7;
 }
 
@@ -59,6 +62,7 @@ message ExecutionGraph {
   repeated Target declaration_targets = 5;
 
   repeated ExecutionAction actions = 3;
+  google.protobuf.Struct jit_data = 7;
 }
 
 message Timing {