Function IsClusterVersionAtleast

pg_documentdb/src/utils/version_utils.c:103–128

* Returns true if the cluster version is >= given major.minor.patch version */

 * Returns true if the cluster version is >= given major.minor.patch version
 */
bool
IsClusterVersionAtleast(MajorVersion majorVersion, int minor, int patch)
{
	Assert(majorVersion <= MaxVersionAllowed);
	Assert(majorVersion > DocDB_V0 || (majorVersion == DocDB_V0 && minor > 108));
	ExtensionVersion version = RefreshCurrentVersion();

	int major = majorVersion + FirstMajorVersionOffset;
	if (version.Major < major)
	{
		return false;
	}
	else if (version.Minor < minor)
	{
		return false;
	}
	else if (version.Major != major || version.Minor != minor)
	{
		/* if CurrentVersion.Major or CurrentVersion.Minor are greater than the expected version */
		/* parts we are on a later version, no need to compare the patch. */
		return true;
	}

	/* Major and Minor are the expected ones, we should compare the patch version. */
	return version.Patch >= patch;
}


/*