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dict on all nodes

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Kaushik Narayan R
2024-11-29 17:30:12 -07:00
parent 6afaa613b2
commit ece4ca4508
7 changed files with 43 additions and 17 deletions
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clickhouse/node-entrypoints/main/01_udf_create.sql Normal file
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-- https://clickhouse.com/blog/geolocating-ips-in-clickhouse-and-grafana#using-bit-functions-to-convert-ip-ranges-to-cidr-notation
CREATE FUNCTION unmatchedBits AS (ip_s, ip_e) -> if(
bitXor(ip_s, ip_e) != 0,
ceil(log2(bitXor(ip_s, ip_e))), 0
);
CREATE FUNCTION cidrSuffix AS (ip_s, ip_e) -> 32 - unmatchedBits(ip_s, ip_e);
CREATE FUNCTION cidrAddress AS (ip_s, ip_e) -> toIPv4(
bitAnd(
bitNot(pow(2, unmatchedBits(ip_s, ip_e)) - 1),
ip_s
)::UInt64
);
CREATE FUNCTION IPv4RangeToCIDRString AS (ip_s, ip_e) -> CONCAT(
toString(cidrAddress(ip_s, ip_e)),
'/',
toString(cidrSuffix(ip_s, ip_e))
);