Add scalar functions: math, IP address, and string utilities#18409
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Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## master #18409 +/- ##
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- Coverage 63.54% 63.51% -0.04%
Complexity 1709 1709
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Files 3254 3254
Lines 199181 199244 +63
Branches 30851 30863 +12
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- Hits 126567 126546 -21
- Misses 62498 62612 +114
+ Partials 10116 10086 -30
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Math (8 functions): cbrt, exp2, exp10, log1p, sigmoid, pi, e, bitCount. IP address (8 functions): isIPv4String, isIPv6String, ipv4ToLong, longToIpv4, ipv6ToBytes, bytesToIpv6, ipv4ToIpv6, ipv4CIDRToRange. String (7 functions): ascii, space, substringIndex, firstLine, startsWithCaseInsensitive, endsWithCaseInsensitive, isValidASCII. Includes unit tests and transform function wrapper tests for all 23 functions. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Opened the matching docs PR: pinot-contrib/pinot-docs#789 |
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## Summary - documents the new scalar math, string, and IP address functions added by apache/pinot#18409 on the existing category pages - adds the same functions to the query function index so readers can discover them from the A-Z reference ## Source cross-checks - verified signatures, aliases, and return types against `pinot-common` scalar function implementations - verified examples and edge-case wording against `ArithmeticFunctionsTest`, `IpAddressFunctionsTest`, `StringFunctionsTest`, and `ScalarTransformFunctionWrapperTest` in the local `apache/pinot` checkout ## Validation - `git diff --check`
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Summary
Adds 23 new
@ScalarFunctionmethods. No new dependencies — all implementations use libraries already on the classpath. All functions are stateless, thread-safe, and auto-registered viaFunctionRegistry.cbrt(x)exp2(x)power(2,x))exp10(x)power(10,x))log1p(x)sigmoid(x)pi()e()/euler()bitCount(x)isIPv4String(s)isIPv6String(s)ipv4ToLong(s)longToIpv4(x)ipv6ToBytes(s)bytesToIpv6(b)ipv4ToIpv6(s)ipv4CIDRToRange(s)ascii(s)space(n)repeat(' ',n))substringIndex(s,d,n)firstLine(s)startsWithCaseInsensitive(s,p)endsWithCaseInsensitive(s,p)isValidASCII(s)Test plan
ArithmeticFunctionsTest(new),IpAddressFunctionsTest,StringFunctionsTest— edge cases include NaN, Infinity, boundary values, round-trip conversions, invalid inputsScalarTransformFunctionWrapperTest— verifies each function works end-to-end throughScalarTransformFunctionWrapperwith segment dataDocumentation
Documentation updates to pinot-docs will follow once this PR is merged.
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