TMP: Optimize DatumGetJson()

Nikita Glukhov · Nikita Glukhov · commit 5d6b800067a7 · 2022-07-27T00:46:13.000+03:00
diff --git a/src/backend/utils/adt/json_generic.c b/src/backend/utils/adt/json_generic.c
@@ -121,7 +121,8 @@ DatumGetJson(Datum value, JsonContainerOps *ops, Json *tmp)
 {
 	Json	   *json = JsonExpandDatum(value, ops, tmp);
 
-	JsonInit(json);
+	//JsonInit(json);
+	json->root.ops->init(&json->root, json->obj.value);
 
 	return json;
 }

Original file line number	Diff line number	Diff line change
`@@ -121,7 +121,8 @@ DatumGetJson(Datum value, JsonContainerOps ops, Json tmp)`
`121`	`121`	`{`
`122`	`122`	`Json *json = JsonExpandDatum(value, ops, tmp);`
`123`	`123`
`124`		`- JsonInit(json);`
	`124`	`+ //JsonInit(json);`
	`125`	`+ json->root.ops->init(&json->root, json->obj.value);`
`125`	`126`
`126`	`127`	`return json;`
`127`	`128`	`}`