Rename Ctor => Constructor

Author: Nikita Glukhov

src/backend/executor/execExprInterp.c

@@ -1601,14 +1601,14 @@ ExecInterpExpr(ExprState *state, ExprContext *econtext, bool *isnull)
 			}
 			else if (ctor->type == JSCTOR_JSON_PARSE)
 			{
-				if (op->d.json_ctor.arg_nulls[0])
+				if (op->d.json_constructor.arg_nulls[0])
 				{
 					res = (Datum) 0;
 					isnull = true;
 				}
 				else
 				{
-					Datum		value = op->d.json_ctor.arg_values[0];
+					Datum		value = op->d.json_constructor.arg_values[0];
 					text	   *js = DatumGetTextP(value);
 
 					if (is_jsonb)

src/backend/parser/parse_expr.c

@@ -4962,7 +4962,7 @@ transformJsonParseExpr(ParseState *pstate, JsonParseExpr *jsexpr)
 										false, returning->typid);
 	}
 
-	return makeJsonCtorExpr(pstate, JSCTOR_JSON_PARSE, list_make1(arg), NULL,
+	return makeJsonConstructorExpr(pstate, JSCTOR_JSON_PARSE, list_make1(arg), NULL,
 							returning, jsexpr->unique_keys, false,
 							jsexpr->location);
 }