_copyLockStmt(const LockStmt *from)
{
	LockStmt   *newnode = makeNode(LockStmt);

	COPY_NODE_FIELD(relations);
	COPY_SCALAR_FIELD(mode);
	COPY_SCALAR_FIELD(nowait);

	return newnode;
}
_copyLockStmt(const LockStmt *from)
{
	LockStmt   *newnode = makeNode(LockStmt);

	COPY_NODE_FIELD(relations);
	COPY_SCALAR_FIELD(mode);
	COPY_SCALAR_FIELD(nowait);

	return newnode;
}