# Configuration Reference - [Cluster](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/cluster.md) - [Controller](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/controller.md) - [Broker](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/broker.md) - [Server](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/server.md) - [Table](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/table.md) - [Schema](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/schema.md) - [Ingestion Job Spec](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/job-specification.md) - [Monitoring Metrics](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/monitoring-metrics.md) - [Functions](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions.md): This page contains reference documentation for functions in Apache Pinot. - [ABS](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/abs.md): This section contains reference documentation for the abs function. - [ADD](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/add.md): This section contains reference documentation for the ADD function. - [arrayConcatDouble](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/arrayconcatdouble.md): This section contains reference documentation for the arrayConcatDouble function. - [arrayConcatFloat](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/arrayconcatfloat.md): This section contains reference documentation for the arrayConcatFloat function. - [arrayConcatInt](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/arrayconcatint.md): This section contains reference documentation for the arrayConcatInt function. - [arrayConcatLong](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/arrayconcatlong.md): This section contains reference documentation for the arrayConcatLong function. - [arrayConcatString](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/arrayconcatstring.md): This section contains reference documentation for the arrayConcatString function. - [arrayContainsInt](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/arraycontainsint.md): This section contains reference documentation for the arrayContainsInt function. - [arrayContainsString](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/arraycontainsstring.md): This section contains reference documentation for the arrayContainsString function. - [arrayDistinctInt](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/arraydistinctint.md): This section contains reference documentation for the arrayDistinctInt function. - [arrayDistinctString](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/arraydistinctstring.md): This section contains reference documentation for the arrayDistinctString function. - [arrayIndexOfInt](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/arrayindexofint.md): This section contains reference documentation for the arrayIndexOfInt function. - [arrayIndexOfString](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/arrayindexofstring.md): This section contains reference documentation for the arrayIndexOfString function. - [ARRAYLENGTH](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/arraylength.md): This section contains reference documentation for the ARRAYLENGTH function. - [arrayRemoveInt](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/arrayremoveint.md): This section contains reference documentation for the arrayRemoveInt function. - [arrayRemoveString](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/arrayremovestring.md): This section contains reference documentation for the arrayRemoveString function. - [arrayReverseInt](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/arrayreverseint.md): This section contains reference documentation for the arrayReverseInt function. - [arrayReverseString](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/arrayreversestring.md): This section contains reference documentation for the arrayReverseString function. - [arraySliceInt](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/arraysliceint.md): This section contains reference documentation for the arraySliceInt function. - [arraySliceString](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/arrayslicestring.md): This section contains reference documentation for the arraySliceString function. - [arraySortInt](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/arraysortint.md): This section contains reference documentation for the arraySortInt function. - [arraySortString](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/arraysortstring.md): This section contains reference documentation for the arraySortString function. - [arrayUnionInt](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/arrayunionint.md): This section contains reference documentation for the arrayUnionInt function. - [arrayUnionString](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/arrayunionstring.md): This section contains reference documentation for the arrayUnionString function. - [AVGMV](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/avgmv.md): This section contains reference documentation for the AVGMV function. - [Base64](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/base64.md): This section contains reference documentation for base64 encode and decode functions. - [ceil](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/ceil.md): This section contains reference documentation for the CEIL function. - [CHR](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/chr.md): This section contains reference documentation for the CHR function. - [codepoint](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/codepoint.md): This section contains reference documentation for the CODEPOINT function. - [concat](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/concat.md): This section contains reference documentation for the concat function. - [count](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/count.md): This section contains reference documentation for the count function. - [COUNTMV](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/countmv.md): This section contains reference documentation for the COUNTMV function. - [COVAR\_POP](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/covar_pop.md): This section contains reference documentation for the COVAR\_POP function. - [COVAR\_SAMP](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/covar_samp.md): This section contains reference documentation for the COVAR\_SAMP function. - [day](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/day.md): This section contains reference documentation for the day function. - [dayOfWeek](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/dayofweek.md): This section contains reference documentation for the dayOfWeek function. - [dayOfYear](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/dayofyear.md): This section contains reference documentation for the dayOfYear function. - [DISTINCT](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/distinct.md): This section contains reference documentation for the DISTINCT function. - [DISTINCTCOUNT](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/distinctcount.md): This section contains reference documentation for the DISTINCTCOUNT function. - [DISTINCTCOUNTBITMAP](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/distinctcountbitmap.md): This section contains reference documentation for the DISTINCTCOUNTBITMAP function. - [DISTINCTCOUNTHLLMV](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/distinctcountbitmapmv.md): This section contains reference documentation for the DISTINCTCOUNTHLLMV function. - [DISTINCTCOUNTHLL](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/distinctcounthll.md): This section contains reference documentation for the DISTINCTCOUNTHLL function. - [DISTINCTCOUNTBITMAPMV](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/distinctcounthllmv.md): This section contains reference documentation for the DISTINCTCOUNTBITMAPMV function. - [DISTINCTCOUNTMV](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/distinctcountmv.md): This section contains reference documentation for the DISTINCTCOUNTMV function. - [DISTINCTCOUNTRAWHLL](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/distinctcountrawhll.md): This section contains reference documentation for the DISTINCTCOUNTRAWHLL function. - [DISTINCTCOUNTRAWHLLMV](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/distinctcountrawhllmv.md): This section contains reference documentation for the DISTINCTCOUNTRAWHLLMV function. - [DISTINCTCOUNTRAWTHETASKETCH](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/distinctcountrawthetasketch.md): This section contains reference documentation for the DISTINCTCOUNTRAWTHETASKETCH function. - [DISTINCTCOUNTTHETASKETCH](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/distinctcountthetasketch.md): This section contains reference documentation for the DISTINCTCOUNTTHETASKETCH function. - [DIV](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/div.md): This section contains reference documentation for the DIV function. - [DATETIMECONVERT](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/datetimeconvert.md): This section contains reference documentation for the DATETIMECONVERT function. - [DATETRUNC](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/datetrunc.md): This section contains reference documentation for the DATETRUNC function. - [exp](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/exp.md): This section contains reference documentation for the exp function. - [FLOOR](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/floor.md): This section contains reference documentation for the FLOOR function. - [FromDateTime](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/fromdatetime.md): This section contains reference documentation for the FromDateTime function. - [FromEpoch](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/fromepoch.md): This section contains reference documentation for the fromEpoch functions. - [FromEpochBucket](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/fromepochbucket.md): This section contains reference documentation for the fromEpochBucket functions. - [Histogram](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/histogram.md): This section contains reference documentation for the HISTOGRAM function. - [hour](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/hour.md): This section contains reference documentation for the hour function. - [isSubnetOf](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/issubnetof.md): This section contains reference documentation for the isSubnetOf function. - [JSONFORMAT](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/jsonformat.md): This section contains reference documentation for the JSONFORMAT function. - [JSONPATH](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/jsonpath.md): This section contains reference documentation for the JSONPATH function. - [JSONPATHARRAY](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/jsonpatharray.md): This section contains reference documentation for the JSONPATHARRAY function. - [JSONPATHARRAYDEFAULTEMPTY](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/jsonpatharraydefaultempty.md): This section contains reference documentation for the JSONPATHARRAYDEFAULTEMPTY function. - [JSONPATHDOUBLE](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/jsonpathdouble.md): This section contains reference documentation for the JSONPATHDOUBLE function. - [JSONPATHLONG](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/jsonpathlong.md): This section contains reference documentation for the JSONPATHLONG function. - [JSONPATHSTRING](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/jsonpathstring.md): This section contains reference documentation for the JSONPATHSTRING function. - [jsonextractkey](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/jsonextractkey.md): This section contains reference documentation for the JSONEXTRACTKEY function. - [jsonextractscalar](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/jsonextractscalar.md): This section contains reference documentation for the JSONEXTRACTSCALAR function. - [length](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/length.md): This section contains reference documentation for the length function. - [ln](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/ln.md): This section contains reference documentation for the ln function. - [lower](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/lower.md): This section contains reference documentation for the lower function. - [lpad](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/lpad.md): This section contains reference documentation for the LPAD function. - [ltrim](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/ltrim.md): This section contains reference documentation for the ltrim function. - [max](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/max.md): This section contains reference documentation for the max function. - [MAXMV](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/maxmv.md): This section contains reference documentation for the MAXMV function. - [MD5](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/md5.md): This section contains reference documentation for the MD5 function. - [millisecond](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/millisecond.md): This section contains reference documentation for the millisecond function. - [min](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/min.md): This section contains reference documentation for the min function. - [minmaxrange](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/minmaxrange.md): This section contains reference documentation for the minmaxrange function. - [MINMAXRANGEMV](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/minmaxrangemv.md): This section contains reference documentation for the MINMAXRANGEMV function. - [MINMV](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/minmv.md): This section contains reference documentation for the MINMV function. - [minute](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/minute.md): This section contains reference documentation for the minute function. - [MOD](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/mod.md): This section contains reference documentation for the MOD function. - [mode](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/mode.md): This section contains reference documentation for the mode function. - [month](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/month.md): This section contains reference documentation for the month function. - [mult](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/mult.md): This section contains reference documentation for the MULT function. - [now](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/now.md): This section contains reference documentation for the now function. - [percentile](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/percentile.md): This section contains reference documentation for the percentile function. - [percentileest](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/percentileest.md): This section contains reference documentation for the percentileest function. - [percentileestmv](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/percentileestmv.md): This section contains reference documentation for the PERCENTILEESTMV function. - [percentilemv](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/percentilemv.md): This section contains reference documentation for the PERCENTILEMV function. - [percentiletdigest](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/percentiletdigest.md): This section contains reference documentation for the PERCENTILETDigest function. - [percentiletdigestmv](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/percentiletdigestmv.md): This section contains reference documentation for the PERCENTILETDIGESTMV function. - [quarter](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/quarter.md): This section contains reference documentation for the quarter function. - [regexpExtract](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/regexpextract.md): This section contains reference documentation for the regexpExtract function. - [regexpReplace](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/regexpreplace.md): This section contains reference documentation for the regexpReplace function - [remove](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/remove.md): This section contains reference documentation for the remove function. - [replace](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/replace.md): This section contains reference documentation for the REPLACE function. - [reverse](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/reverse.md): This section contains reference documentation for the reverse function. - [round](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/round.md): This section contains reference documentation for the round function. - [rpad](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/rpad.md): This section contains reference documentation for the RPAD function. - [rtrim](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/rtrim.md): This section contains reference documentation for the rtrim function. - [second](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/second.md): This section contains reference documentation for the second function. - [SEGMENTPARTITIONEDDISTINCTCOUNT](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/segmentpartitioneddistinctcount.md): This section contains reference documentation for the SEGMENTPARTITIONEDDISTINCTCOUNT function. - [sha](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/sha.md): This section contains reference documentation for the SHA function. - [sha256](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/sha256.md): This section contains reference documentation for the SHA256 function. - [sha512](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/sha512.md): This section contains reference documentation for the SHA512 function. - [sqrt](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/sqrt.md): This section contains reference documentation for the sqrt function. - [startswith](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/startswith.md): This section contains reference documentation for the STARTSWITH function. - [ST\_AsBinary](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/stasbinary.md): This section contains reference documentation for the ST\_AsBinary function. - [ST\_AsText](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/stastext.md): This section contains reference documentation for the ST\_AsText function. - [ST\_Contains](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/stcontains.md): This section contains reference documentation for the ST\_Contains function. - [ST\_Distance](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/stdistance.md): This section contains reference documentation for the ST\_Distance function. - [ST\_GeogFromText](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/stgeogfromtext.md): This section contains reference documentation for the ST\_GeogFromText function. - [ST\_GeogFromWKB](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/stgeogfromwkb.md): This section contains reference documentation for the ST\_GeogFromWKB function. - [ST\_GeometryType](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/stgeometrytype.md): This section contains reference documentation for the ST\_GeometryType function. - [ST\_GeomFromText](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/stgeomfromtext.md): This section contains reference documentation for the ST\_GeomFromText function. - [ST\_GeomFromWKB](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/stgeomfromwkb.md): This section contains reference documentation for the ST\_GeomFromWKB function. - [STPOINT](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/stpoint.md): This section contains reference documentation for the ST\_POINT/STPOINT function. - [ST\_Polygon](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/stpolygon.md): This section contains reference documentation for the ST\_Polygon function. - [strpos](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/strpos.md): This section contains reference documentation for the STRPOS function. - [ST\_Union](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/stunion.md): This section contains reference documentation for the ST\_Union function. - [SUB](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/sub.md): This section contains reference documentation for the SUB function. - [substr](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/substr.md): This section contains reference documentation for the substr function. - [sum](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/sum.md): This section contains reference documentation for the sum function. - [summv](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/summv.md): This section contains reference documentation for the SUMMV function. - [TIMECONVERT](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/timeconvert.md): This section contains reference documentation for the TIMECONVERT function. - [timezoneHour](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/timezonehour.md): This section contains reference documentation for the timezoneHour function. - [timezoneMinute](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/timezoneminute.md): This section contains reference documentation for the timezoneMinute function. - [ToDateTime](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/todatetime.md): This section contains reference documentation for the ToDateTime function. - [ToEpoch](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/toepoch.md): This section contains reference documentation for the toEpoch functions. - [ToEpochBucket](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/toepochbucket.md): This section contains reference documentation for the toEpochBucket functions. - [ToEpochRounded](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/toepochrounded.md): This section contains reference documentation for the toEpochRounded functions. - [TOJSONMAPSTR](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/tojsonmapstr.md): This section contains reference documentation for the TOJSONMAPSTR function. - [toGeometry](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/togeometry.md): This section contains reference documentation for the toGeometry function. - [toSphericalGeography](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/tosphericalgeography.md): This section contains reference documentation for the toSphericalGeography function. - [trim](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/trim.md): This section contains reference documentation for the trim function. - [upper](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/upper.md): This section contains reference documentation for the upper function. - [Url](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/url.md): This section contains reference documentation for the url functions. - [UTF8](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/utf8.md): This section contains reference documentation for UTF8 encode/decode functions. - [VALUEIN](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/valuein.md): This section contains reference documentation for the VALUEIN function. - [week](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/week.md): This section contains reference documentation for the week function. - [year](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/year.md): This section contains reference documentation for the year function. - [yearOfWeek](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/yearofweek.md): This section contains reference documentation for the yearOfWeek function. - [VAR\_POP](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/var_pop.md): This section contains reference documentation for the VAR\_POP function. - [VAR\_SAMP](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/var_samp.md): This section contains reference documentation for the VAR\_SAMP function. - [STDDEV\_POP](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/stddev_pop.md): This section contains reference documentation for the STDDEV\_POP function. - [STDDEV\_SAMP](https://docs.pinot.apache.org/release-0.12.0/configuration-reference/functions/stddev_samp.md): This section contains reference documentation for the STDDEV\_SAMP function. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.pinot.apache.org/release-0.12.0/configuration-reference.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.