id stringlengths 36 36 | document stringlengths 3 3k | metadata stringlengths 23 69 | embeddings listlengths 384 384 |
|---|---|---|---|
f2903322-dbcf-4a2e-be32-f42405f2895b | description: 'Documentation for Tuple functions'
sidebar_label: 'Tuples'
slug: /sql-reference/functions/tuple-functions
title: 'Tuple functions'
doc_type: 'reference'
:::note
The documentation below is generated from the
system.functions
system table.
:::
flattenTuple {#flattenTuple}
Introduced in: v22.6
... | {"source_file": "tuple-functions.md"} | [
-0.010104358196258545,
-0.02724589966237545,
-0.008745167404413223,
0.001117940992116928,
-0.06457912176847458,
-0.016317088156938553,
0.05519040673971176,
0.03658483177423477,
-0.05648723989725113,
-0.029783038422465324,
-0.016798174008727074,
-0.006043759640306234,
0.03213062137365341,
-... |
1cb1f03a-a8ad-40dc-b8d1-8f077346b731 | response title=Response
(0.5, 0.6666666666666666)
tupleDivideByNumber {#tupleDivideByNumber}
Introduced in: v21.11
Returns a tuple with all elements divided by a number.
:::note
Division by zero will return
inf
.
:::
Syntax
sql
tupleDivideByNumber(tuple, number)
Arguments
tuple
β Tuple to divide.
T... | {"source_file": "tuple-functions.md"} | [
-0.008803822100162506,
0.002575923455879092,
-0.046095576137304306,
0.03780587017536163,
-0.0030255138408392668,
-0.05632432550191879,
0.07043305039405823,
-0.01721682772040367,
-0.008622557856142521,
-0.00828440673649311,
-0.015749119222164154,
-0.06540010124444962,
0.023567013442516327,
... |
8260d7aa-743a-43e7-89a5-60a82d3b625b | text
ββt1βββββ¬βt2ββββββ¬βt3ββββββ¬βt4ββββββ¬βt5ββββββ
β UInt8 β UInt16 β UInt32 β UInt64 β UInt64 β
βββββββββ΄βββββββββ΄βββββββββ΄βββββββββ΄βββββββββ
:::
Syntax
sql
tupleHammingDistance(t1, t2)
Arguments
t1
β First tuple.
Tuple(*)
t2
β Second tuple.
Tuple(*)
Returned value
Returns the Hamming distance. ... | {"source_file": "tuple-functions.md"} | [
0.035951245576143265,
-0.014092638157308102,
-0.020610274747014046,
-0.026437371969223022,
-0.06154466047883034,
-0.02146477811038494,
0.07259281724691391,
-0.027961019426584244,
-0.045231182128190994,
-0.013426785357296467,
0.023252535611391068,
-0.04557515308260918,
0.06587565690279007,
... |
aefaadd0-10ab-468e-83a4-03bbf30a61a6 | With decimals
sql title=Query
SELECT tupleIntDivByNumber((15.2, 10.7, 5.5), 5.8)
response title=Response
(2, 1, 0)
tupleIntDivOrZero {#tupleIntDivOrZero}
Introduced in: v23.8
Like
tupleIntDiv
performs integer division of a tuple of numerators and a tuple of denominators, and returns a tuple of the quotients... | {"source_file": "tuple-functions.md"} | [
-0.002540664281696081,
0.019908636808395386,
-0.013204703107476234,
0.021255919709801674,
0.0013381298631429672,
-0.07566613703966141,
0.07959666103124619,
0.029687467962503433,
-0.03659491240978241,
-0.02199675887823105,
-0.04213374853134155,
-0.10732690244913101,
0.003903285600244999,
-0... |
76bbc161-c42a-4dbb-9495-ec7e1e5866c9 | response title=Response
(-1, -1)
tupleModulo {#tupleModulo}
Introduced in: v23.8
Returns a tuple of the remainders (moduli) of division operations of two tuples.
Syntax
sql
tupleModulo(tuple_num, tuple_mod)
Arguments
tuple_num
β Tuple of numerator values.
Tuple((U)Int*)
or
Tuple(Float*)
or
Tuple(D... | {"source_file": "tuple-functions.md"} | [
-0.041429851204156876,
-0.03032379224896431,
-0.042059291154146194,
0.030516501516103745,
-0.0032813320867717266,
-0.061331260949373245,
0.08708766102790833,
0.0018623999785631895,
-0.03774357587099075,
-0.032752875238657,
0.024976620450615883,
-0.07031320780515671,
0.040725041180849075,
-... |
4d3a8a5f-0945-453e-8889-27480071d528 | Syntax
```sql
```
Arguments
None.
Returned value
Examples
typical
sql title=Query
SELECT tupleNames(tuple(1 as a, 2 as b))
response title=Response
['a','b']
tupleNegate {#tupleNegate}
Introduced in: v21.11
Calculates the negation of the tuple elements.
Syntax
sql
tupleNegate(t)
Argumen... | {"source_file": "tuple-functions.md"} | [
-0.031533438712358475,
-0.03264982998371124,
-0.03458648920059204,
0.022832898423075676,
-0.05901831015944481,
-0.0680672824382782,
0.05445447564125061,
-0.03552772477269173,
-0.026154272258281708,
-0.04572204500436783,
-0.03153533115983009,
-0.032968536019325256,
0.050038035959005356,
-0.... |
3602d52d-422e-4c2e-953f-3dde1abf552a | Example of using a
Tuple
-type column as the
untuple
function parameter:
Query:
sql
SELECT untuple(v6) FROM kv;
Result:
text
ββ_ut_1ββ¬β_ut_2ββ
β 33 β ab β
β 44 β cd β
β 55 β ef β
β 66 β gh β
β 77 β kl β
βββββββββ΄ββββββββ
Example of using an
EXCEPT
expression:
Query:
sql
... | {"source_file": "tuple-functions.md"} | [
-0.00992626417428255,
-0.006802667398005724,
-0.010602100752294064,
-0.052076540887355804,
0.014470969326794147,
0.048883892595767975,
-0.006687491666525602,
-0.07358214259147644,
-0.06231527775526047,
-0.020760584622621536,
0.058872636407613754,
-0.022888246923685074,
-0.02289779670536518,
... |
ca19af12-2f25-4e58-a389-22ac555c6c0b | description: 'Documentation for string replacement functions'
sidebar_label: 'String replacement'
slug: /sql-reference/functions/string-replace-functions
title: 'Functions for string replacement'
doc_type: 'reference'
keywords: ['string replacement']
Functions for string replacement
General strings functions
and... | {"source_file": "string-replace-functions.md"} | [
-0.03304766118526459,
0.05322070047259331,
0.0072155604138970375,
-0.010338595137000084,
-0.06254090368747711,
0.010752526111900806,
0.03281255066394806,
0.08675938844680786,
-0.06083056330680847,
0.011741750873625278,
-0.028734052553772926,
0.034152135252952576,
0.07580270618200302,
-0.07... |
ec9b6753-9bbd-401a-b960-dd8f17142fc4 | response title=Response
ββresββββββββββββββββββββ
β My dad is from Mexico.β
βββββββββββββββββββββββββ
overlayUTF8 {#overlayUTF8}
Introduced in: v24.9
Replace part of the string
s
with another string
replace
, starting at the 1-based index
offset
.
Assumes that the string contains valid UTF-8 encoded text.
If ... | {"source_file": "string-replace-functions.md"} | [
0.016033293679356575,
0.06490424275398254,
0.06928207725286484,
0.003970044199377298,
-0.07076422870159149,
0.033763233572244644,
0.060115996748209,
0.04468444362282753,
0.00033204525243490934,
-0.06835038959980011,
0.038831863552331924,
-0.025936085730791092,
0.0778227373957634,
-0.108267... |
f3b7252d-e720-4a1c-a427-9041b30d7b36 | Returns a string with regex special characters escaped.
String
Examples
Escape regex special characters
sql title=Query
SELECT regexpQuoteMeta('Hello. [World]? (Yes)*') AS res
response title=Response
ββresββββββββββββββββββββββββββββ
β Hello\. \[World\]\? \(Yes\)\* β
βββββββββββββββββββββββββββββββββ
replace... | {"source_file": "string-replace-functions.md"} | [
-0.05166151002049446,
-0.002322993939742446,
0.12188930809497833,
0.04399356618523598,
-0.04696042090654373,
-0.04712539538741112,
0.02665838785469532,
0.002384783700108528,
0.006672459188848734,
-0.007944220677018166,
-0.043937794864177704,
-0.011279047466814518,
0.024372553452849388,
-0.... |
381a5d23-e7ba-4490-a46b-5cbdaaac3d02 | response title=Response
ββresββββββββββββββββββ
β here: Hello, World! β
βββββββββββββββββββββββ
replaceRegexpOne {#replaceRegexpOne}
Introduced in: v1.1
Replaces the first occurrence of the substring matching the regular expression
pattern
(in re2 syntax) in
haystack
by the
replacement
string.
replacement
... | {"source_file": "string-replace-functions.md"} | [
0.025955256074666977,
0.011401208117604256,
0.09523428976535797,
0.05410150811076164,
-0.05377728119492531,
0.05110261216759682,
0.05492815375328064,
0.025466352701187134,
-0.05508977547287941,
-0.013719907030463219,
-0.027110431343317032,
-0.08327187597751617,
-0.01214818935841322,
-0.076... |
eb707a98-9af0-4acd-b1cc-cff3d7edf02d | from
β A constant ASCII string containing characters to replace.
const String
to
β A constant ASCII string containing replacement characters.
const String
Returned value
Returns a string with character translations applied.
String
Examples
Character mapping
sql title=Query
SELECT translate('Hello, Wo... | {"source_file": "string-replace-functions.md"} | [
-0.015526950359344482,
-0.040182970464229584,
0.06192135065793991,
0.04402328282594681,
-0.06326384842395782,
-0.015567125752568245,
0.08604247123003006,
0.01959298551082611,
0.007408246863633394,
-0.03541739657521248,
-0.024967854842543602,
-0.06232601776719093,
0.013615141622722149,
-0.0... |
328872b2-fcdd-4be6-bb8b-6001d7fba673 | description: 'Documentation for UDFs User Defined Functions'
sidebar_label: 'UDF'
slug: /sql-reference/functions/udf
title: 'UDFs User Defined Functions'
doc_type: 'reference'
import PrivatePreviewBadge from '@theme/badges/PrivatePreviewBadge';
UDFs User Defined Functions
Executable User Defined Functions {#exe... | {"source_file": "udf.md"} | [
-0.0008076446247287095,
-0.09784488379955292,
-0.07014919817447662,
-0.0029235119000077248,
0.0022599915973842144,
-0.030519776046276093,
-0.006148925982415676,
0.03257543221116066,
-0.055411554872989655,
0.01782522164285183,
0.03847922757267952,
-0.011345199309289455,
-0.0009583525825291872... |
9436e210-50e8-4fa2-bd8b-7ed5236defab | | Parameter | Description ... | {"source_file": "udf.md"} | [
0.02740832231938839,
0.06670575588941574,
-0.03908486291766167,
-0.00019217900990042835,
-0.07271697372198105,
0.030385518446564674,
0.01923644170165062,
0.04008970782160759,
-0.007428995333611965,
-0.041814737021923065,
0.032796137034893036,
-0.1134740486741066,
0.028254574164748192,
-0.0... |
68e17adb-1604-472c-9429-e2624cd0b12b | |
return_type
| The type of a returned value ... | {"source_file": "udf.md"} | [
0.004372890572994947,
-0.0071741556748747826,
-0.08697465062141418,
0.03630705922842026,
-0.04728405922651291,
-0.04048563167452812,
-0.009954729117453098,
0.08394249528646469,
0.022551268339157104,
-0.029623936861753464,
0.030967742204666138,
-0.06318208575248718,
-0.0435970313847065,
-0.... |
d3fce72b-251b-4f2d-8fb5-aa66ee36ded7 | 10000
|
|
command_write_timeout
| Timeout for writing data to command stdin in milliseconds ... | {"source_file": "udf.md"} | [
-0.007886712439358234,
0.01490434817969799,
-0.09751792997121811,
0.06513446569442749,
-0.0428081639111042,
-0.058641448616981506,
-0.00902734138071537,
0.08495380729436874,
-0.013082856312394142,
0.022118741646409035,
0.012598896399140358,
-0.013489785604178905,
0.021158263087272644,
-0.1... |
8b5baace-43aa-4443-a7ad-d09e57c3c851 | The command must read arguments from
STDIN
and must output the result to
STDOUT
. The command must process arguments iteratively. That is after processing a chunk of arguments it must wait for the next chunk.
Examples {#examples}
Inline script
Creating
test_function_sum
manually specifying
execute_direct
t... | {"source_file": "udf.md"} | [
0.06691712141036987,
0.003617330454289913,
-0.06746594607830048,
0.03559867665171623,
-0.08131618052721024,
-0.030960267409682274,
0.0647035464644432,
0.06059971824288368,
-0.04764388129115105,
0.029672222211956978,
0.07788511365652084,
-0.0902293473482132,
-0.015184305608272552,
-0.078681... |
d4ac8f39-d0a1-4df1-ad18-f1c93d8102cf | xml
<functions>
<function>
<type>executable</type>
<name>test_function_sum_json</name>
<return_type>UInt64</return_type>
<return_name>result_name</return_name>
<argument>
<type>UInt64</type>
<name>argument_1</name>
</argument>
<argument... | {"source_file": "udf.md"} | [
-0.046014733612537384,
0.019753841683268547,
-0.07800887525081635,
-0.003588352119550109,
-0.08662857115268707,
-0.04821227490901947,
-0.01464878674596548,
0.08526430279016495,
-0.04870572313666344,
-0.050126492977142334,
0.05905485153198242,
-0.024668769910931587,
-0.038443006575107574,
0... |
ba38ec2e-a321-4efb-9d12-34616dabe328 | Executable user defined functions can be used with shell script.
File
test_function_shell.xml
(
/etc/clickhouse-server/test_function_shell.xml
with default path settings).
xml
<functions>
<function>
<type>executable</type>
<name>test_shell</name>
<return_type>String</return_type>
... | {"source_file": "udf.md"} | [
0.07179336249828339,
0.0018999731400981545,
-0.12564335763454437,
-0.022050825878977776,
-0.11020740866661072,
-0.054661281406879425,
0.08207263052463531,
0.15112219750881195,
-0.0792030468583107,
0.04162035882472992,
0.06558801978826523,
-0.030101414769887924,
0.008751214481890202,
-0.049... |
81254b7c-196d-448d-9951-94bd16dbe23a | if a
distributed_table
has only one shard, all the 'f', 'g', and 'h' functions are performed on this shard's server.
The result of a function usually does not depend on which server it is performed on. However, sometimes this is important.
For example, functions that work with dictionaries use the dictionary that... | {"source_file": "udf.md"} | [
0.031069960445165634,
-0.051867686212062836,
-0.015755148604512215,
0.01872551068663597,
-0.0719878077507019,
-0.059637147933244705,
0.006787018850445747,
-0.10595450550317764,
0.057754985988140106,
0.02209080569446087,
0.04792495444417,
0.012892600148916245,
0.06966273486614227,
-0.075771... |
fddbb9c6-88c6-4528-a592-2e4042b05a79 | description: 'Documentation for Comparison Functions'
sidebar_label: 'Comparison'
slug: /sql-reference/functions/comparison-functions
title: 'Comparison Functions'
doc_type: 'reference'
Comparison functions
Comparison rules {#comparison-rules}
The comparison functions below return
0
or
1
with type
UInt8
. ... | {"source_file": "comparison-functions.md"} | [
-0.029844101518392563,
-0.001504734274931252,
-0.016000032424926758,
-0.02458530105650425,
-0.06440095603466034,
-0.05003688111901283,
-0.020900284871459007,
0.016797734424471855,
-0.0490262396633625,
-0.05547996982932091,
-0.01623099111020565,
-0.03279319405555725,
0.02114678919315338,
-0... |
f73935f2-e704-4f83-ac93-27ccc90d4f70 | Introduced in: v1.1
Compares two values for less-than relation.
Syntax
sql
less(a, b)
-- a < b
Arguments
a
β First value.
*
-
b
β Second value.
*
Returned value
Returns
1
if
a
is less than
b
, otherwise
0
UInt8
Examples
Usage example
sql title=Query
SELECT 1 < 2, 2 < 1;
respo... | {"source_file": "comparison-functions.md"} | [
-0.021498726680874825,
0.028231700882315636,
0.001919397385790944,
-0.01791342720389366,
-0.09456409513950348,
-0.03288248926401138,
-0.05152500420808792,
0.0436418391764164,
0.006086303852498531,
-0.01783468760550022,
-0.016957614570856094,
-0.027311477810144424,
0.12274394184350967,
-0.0... |
e94f2229-2c06-42c7-9a22-b653389616fe | description: 'Documentation for the "other" functions category'
sidebar_label: 'Other'
slug: /sql-reference/functions/other-functions
title: 'Other functions'
doc_type: 'reference'
import ExperimentalBadge from '@theme/badges/ExperimentalBadge';
import CloudNotSupportedBadge from '@theme/badges/CloudNotSupportedBad... | {"source_file": "other-functions.md"} | [
-0.046220723539590836,
-0.021264906972646713,
-0.012918384745717049,
-0.0054944949224591255,
-0.04672908037900925,
-0.02432420291006565,
0.036569319665431976,
-0.026442069560289383,
0.019016364589333534,
-0.01074761152267456,
0.009440380148589611,
-0.03078054077923298,
0.05701175332069397,
... |
56789333-05a7-4265-b110-1c6c778b9d0a | key
β Value of any type that is checked to be present in the filter
Returned value
True if the key was found in the filter
Bool
Examples
Example
sql title=Query
This function is not supposed to be used in user queries. It might be added to query plan during optimization.
```response title=Response
``... | {"source_file": "other-functions.md"} | [
-0.06268076598644257,
0.056269217282533646,
-0.015619475394487381,
0.015053466893732548,
-0.06466474384069443,
-0.03738783672451973,
0.16689816117286682,
-0.00809202715754509,
-0.0432821661233902,
0.007079035975039005,
0.004738028161227703,
-0.0818510577082634,
0.018433988094329834,
-0.062... |
c6f7096c-cc6b-48b6-a116-469c65b92aca | Examples
Usage example
sql title=Query
SELECT
toHour(EventTime) AS h,
count() AS c,
bar(c, 0, 600000, 20) AS bar
FROM test.hits
GROUP BY h
ORDER BY h ASC
response title=Response
βββhββ¬ββββββcββ¬βbarβββββββββββββββββ
β 0 β 292907 β ββββββββββ β
β 1 β 180563 β ββββββ β
β 2 β 114861 β ββββ ... | {"source_file": "other-functions.md"} | [
0.0019068153342232108,
-0.05073399841785431,
-0.004524406976997852,
0.12088035047054291,
-0.07392144203186035,
0.008408370427787304,
0.03217827156186104,
0.0051246038638055325,
0.018338117748498917,
0.03419085219502449,
0.012855453416705132,
-0.05955541878938675,
0.05486864596605301,
-0.10... |
b07d2583-265f-427c-ac4a-721dd593d513 | Syntax
sql
blockSize()
Arguments
None.
Returned value
Returns the number of rows in the current block.
UInt64
Examples
Usage example
sql title=Query
SELECT blockSize()
FROM system.numbers LIMIT 5
response title=Response
ββblockSize()ββ
β 5 β
β 5 β
β 5 β
β 5... | {"source_file": "other-functions.md"} | [
-0.003733888966962695,
0.0033012484200298786,
-0.08554492890834808,
0.03388837352395058,
-0.05311008542776108,
-0.06643491238355637,
0.08292634040117264,
0.03484788537025452,
-0.05069589987397194,
-0.0077086929231882095,
-0.06271090358495712,
0.016278868541121483,
0.015111560933291912,
-0.... |
b18d606c-2546-4874-83bd-9365c55d7302 | feature
β One or more model features/arguments.
Float*
Returned value
Returns the model evaluation result.
Float64
Examples
catboostEvaluate
sql title=Query
SELECT catboostEvaluate('/root/occupy.bin', Temperature, Humidity, Light, CO2, HumidityRatio) AS prediction FROM occupancy LIMIT 1
response title=... | {"source_file": "other-functions.md"} | [
0.031642090529203415,
0.04724857583642006,
-0.015829218551516533,
0.07474742084741592,
0.048990823328495026,
-0.005231090355664492,
0.025092139840126038,
0.049804363399744034,
-0.018279679119586945,
-0.037847016006708145,
0.019925853237509727,
-0.16684405505657196,
0.08516453206539154,
-0.... |
a2cc011f-3133-494f-ae39-cee3f39567ef | The conversion consists of three stages:
1) sRGB to Linear sRGB
2) Linear sRGB to OKLab
3) OKLab to OKLCH.
For references of colors in the OKLCH space, and how they correspond to sRGB colors, please see
https://OKLCH.com/
.
Syntax
sql
colorSRGBToOKLCH(tuple[, gamma])
Arguments
tuple
β Tuple of three value... | {"source_file": "other-functions.md"} | [
0.03198384493589401,
-0.06654395908117294,
-0.02571992762386799,
0.0030516483820974827,
0.027435045689344406,
-0.015573501586914062,
0.10980980098247528,
0.013387910090386868,
-0.010638536885380745,
-0.02182823047041893,
-0.025127781555056572,
-0.06036746874451637,
0.113146111369133,
-0.06... |
579139d3-67c7-47b1-8f6b-e7bccbe384e0 | response title=Response
ββcountDigits(toDecimal32(1, 9))ββ¬βcountDigits(toDecimal32(-1, 9))ββ¬βcountDigits(toDecimal64(1, 18))ββ¬βcountDigits(toDecimal64(-1, 18))ββ¬βcountDigits(toDecimal128(1, 38))ββ¬βcountDigits(toDecimal128(-1, 38))ββ
β 10 β 10 β ... | {"source_file": "other-functions.md"} | [
0.0036889021284878254,
-0.08160091191530228,
-0.03458014130592346,
0.05464298650622368,
-0.08984006196260452,
-0.0046484703198075294,
0.0944988802075386,
0.07549183815717697,
-0.07524454593658447,
-0.014523091726005077,
-0.02257586643099785,
-0.11753113567829132,
0.08173221349716187,
-0.07... |
3785781c-44b8-48dc-985f-f3866d445caf | Function
currentSchemas
only exists for compatibility with PostgreSQL.
Please use
currentDatabase
instead.
Also see the
SET
statement
.
Syntax
sql
currentSchemas(bool)
Aliases
:
current_schemas
Arguments
bool
β A boolean value, which is ignored.
Bool
Returned value
Returns a single-element ... | {"source_file": "other-functions.md"} | [
0.026830535382032394,
0.003742747474461794,
-0.028219662606716156,
0.021934736520051956,
-0.08565591275691986,
-0.046950146555900574,
0.15615375339984894,
0.021926086395978928,
-0.023768411949276924,
0.011426610872149467,
-0.05000863969326019,
-0.04372195154428482,
-0.028790857642889023,
-... |
3ecfca1d-fbef-4a4d-97dd-d4f3b7914513 | Nullable example
sql title=Query
SELECT defaultValueOfArgumentType(CAST(1 AS Nullable(Int8)));
response title=Response
ββdefaultValueOfArgumentType(CAST(1, 'Nullable(Int8)'))ββ
β α΄Ία΅α΄Έα΄Έ β
βββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
defaultValueOfTypeNam... | {"source_file": "other-functions.md"} | [
-0.012767400592565536,
-0.014639840461313725,
-0.052918437868356705,
0.0445159412920475,
-0.09923303127288818,
-0.00023653141397517174,
0.08998048305511475,
0.0839243158698082,
-0.05066072195768356,
-0.08976906538009644,
-0.009878790937364101,
-0.048302434384822845,
-0.003012831322848797,
... |
62e6e5a6-0da6-4c31-aee0-33915aeff0b9 | enabledRoles {#enabledRoles}
Introduced in: v21.9
Returns an array of the roles which are enabled for the current user.
Syntax
sql
enabledRoles()
Arguments
None.
Returned value
Returns an array of role names which are enabled for the current user.
Array(String)
Examples
Usage example
sql titl... | {"source_file": "other-functions.md"} | [
0.0050421180203557014,
-0.037919607013463974,
-0.01867084577679634,
0.06965891271829605,
-0.07076183706521988,
-0.013818583451211452,
0.08373311907052994,
0.0534735731780529,
-0.14180736243724823,
-0.07453007251024246,
0.028031667694449425,
0.030511867254972458,
0.07649502158164978,
-0.025... |
f29607e6-0362-4f24-b6ce-25f824c55508 | Introduced in: v20.1
Returns the capacity of the filesystem in bytes.
Needs the
path
to the data directory to be configured.
Syntax
sql
filesystemCapacity([disk_name])
Arguments
disk_name
β Optional. The disk name to get the capacity for. If omitted, uses the default disk.
String
or
FixedString
Re... | {"source_file": "other-functions.md"} | [
-0.019967006519436836,
-0.030332930386066437,
-0.09265045076608658,
0.1253328174352646,
0.031825922429561615,
-0.023078477010130882,
0.05526620149612427,
0.11547640711069107,
0.011876774951815605,
0.04794822260737419,
0.018235739320516586,
0.033976390957832336,
0.08901840448379517,
-0.0504... |
eba2fd6d-b6f4-4e91-8613-3e913eb36ed1 | Returned value
The formatted query
String
Examples
multiline
sql title=Query
SELECT formatQuery('select a, b FRom tab WHERE a > 3 and b < 3');
response title=Response
SELECT
a,
b
FROM tab
WHERE (a > 3) AND (b < 3)
formatQueryOrNull {#formatQueryOrNull}
Introduced in: v
Returns a formatted, ... | {"source_file": "other-functions.md"} | [
0.0018495031399652362,
-0.0029012630693614483,
-0.01949838548898697,
-0.03834626078605652,
-0.14179225265979767,
0.03385476768016815,
0.008161218836903572,
0.003344824770465493,
-0.0066230325028300285,
0.015814337879419327,
-0.04975482076406479,
-0.045598242431879044,
0.05221741273999214,
... |
08c29bd7-71d2-4ff0-96e3-ba2ac462a1f6 | formatReadableQuantity {#formatReadableQuantity}
Introduced in: v20.10
Given a number, this function returns a rounded number with suffix (thousand, million, billion, etc.) as a string.
This function accepts any numeric type as input, but internally it casts them to
Float64
.
Results might be suboptimal with lar... | {"source_file": "other-functions.md"} | [
0.01947125419974327,
0.024428920820355415,
-0.07492413371801376,
0.03342749550938606,
-0.11718031018972397,
-0.054073452949523926,
0.0018010055646300316,
0.06464012712240219,
-0.041802745312452316,
0.011415805667638779,
-0.03759888932108879,
-0.041790928691625595,
-0.005467667244374752,
-0... |
a641e5b0-eda9-4a87-b610-281c81a3dd59 | minimum_unit
β Optional. Minimum unit to show. All smaller units are truncated. Acceptable values:
nanoseconds
,
microseconds
,
milliseconds
,
seconds
,
minutes
,
hours
,
days
,
months
,
years
. If explicitly specified value is bigger than
maximum_unit
, an exception will be thrown. Default value:
seconds
... | {"source_file": "other-functions.md"} | [
0.02629680372774601,
0.04045272246003151,
-0.012701748870313168,
0.017159227281808853,
-0.07703161984682083,
-0.027547594159841537,
0.007657153531908989,
0.02339625544846058,
-0.02781345136463642,
-0.03734815865755081,
-0.026508169248700142,
-0.07373753190040588,
-0.06626980751752853,
-0.0... |
a9ccb239-2be6-4c7c-abee-50c415715e17 | sql title=Query
SELECT generateRandomStructure(1)
response title=Response
c1 Map(UInt256, UInt16)
with specified seed
sql title=Query
SELECT generateRandomStructure(NULL, 33)
response title=Response
c1 DateTime, c2 Enum8('c2V0' = 0, 'c2V1' = 1, 'c2V2' = 2, 'c2V3' = 3), c3 LowCardinality(Nullable(FixedString(30)... | {"source_file": "other-functions.md"} | [
-0.05019240826368332,
0.061830345541238785,
-0.03440600633621216,
0.0075532724149525166,
-0.07535961270332336,
0.0261941347271204,
0.010140406899154186,
0.011463582515716553,
-0.028176292777061462,
0.025553463026881218,
0.03907514736056328,
-0.15109248459339142,
0.001424945192411542,
-0.09... |
adc16173-adf5-4961-86e7-1ecd784e10f6 | :::note Setting
allow_get_client_http_header
is required
The function requires the setting
allow_get_client_http_header
to be enabled.
The setting is not enabled by default for security reasons, because some headers, such as
Cookie
, could contain sensitive info.
:::
HTTP headers are case sensitive for this func... | {"source_file": "other-functions.md"} | [
-0.03492220491170883,
0.06625164300203323,
-0.01801961287856102,
0.0339820496737957,
-0.012772205285727978,
-0.04956834763288498,
0.029046671465039253,
0.020731471478939056,
0.00735040009021759,
-0.008988688699901104,
0.005862764082849026,
-0.07795125991106033,
0.06784965842962265,
-0.0590... |
3470214b-29b1-45c8-a2fd-70e382d81dd8 | getOSKernelVersion {#getOSKernelVersion}
Introduced in: v21.11
Returns a string with the OS kernel version.
Syntax
sql
getOSKernelVersion()
Arguments
None.
Returned value
Returns the current OS kernel version.
String
Examples
Usage example
sql title=Query
SELECT getOSKernelVersion();
respon... | {"source_file": "other-functions.md"} | [
0.014506089501082897,
0.008089935407042503,
-0.05466531589627266,
-0.028002535924315453,
-0.012168544344604015,
-0.04491180181503296,
0.011364037171006203,
0.03498684614896774,
-0.053914282470941544,
-0.04609603062272072,
-0.00020745658548548818,
-0.003718008054420352,
-0.02938912808895111,
... |
841fef34-aa00-4421-8c84-e79ac1b3ccae | response title=Response
my_value
100
NULL
getSizeOfEnumType {#getSizeOfEnumType}
Introduced in: v1.1
Returns the number of fields in the given
Enum
.
Syntax
sql
getSizeOfEnumType(x)
Arguments
x
β Value of type
Enum
.
Enum
Returned value
Returns the number of fields with
Enum
input values.
U... | {"source_file": "other-functions.md"} | [
0.035991016775369644,
-0.005554076284170151,
-0.06263509392738342,
0.039627447724342346,
-0.04843716323375702,
0.001737968297675252,
0.06029673293232918,
0.05619550123810768,
-0.09375129640102386,
-0.007316248957067728,
-0.0048202695325016975,
-0.09594354778528214,
0.030869023874402046,
-0... |
cd9470ed-7360-4dc0-aa2e-e193fcd638b0 | Arguments
database
β Name of the database.
const String
table
β Name of the table.
const String
column
β Name of the column.
const String
hostname
β Optional. Remote server name to perform the check on.
const String
username
β Optional. Username for remote server.
const String
password
β Option... | {"source_file": "other-functions.md"} | [
0.021588170900940895,
-0.012177354656159878,
-0.08256233483552933,
0.0705428421497345,
-0.05138804763555527,
-0.033544883131980896,
0.05269200727343559,
0.03753179311752319,
-0.0022005813661962748,
0.05670559033751488,
-0.01878475956618786,
-0.07084435969591141,
0.01149645633995533,
-0.078... |
90042ade-fd47-452e-b34e-1b466339111f | icebergTruncate {#icebergTruncate}
Introduced in: v25.3
Implements logic of iceberg truncate transform: https://iceberg.apache.org/spec/#truncate-transform-details.
Syntax
sql
icebergTruncate(N, value)
Arguments
value
β The value to transform.
String
or
(U)Int*
or
Decimal
Returned value
The sa... | {"source_file": "other-functions.md"} | [
-0.07976435124874115,
0.02771863155066967,
-0.05361754074692726,
0.09403012692928314,
-0.0007212163764052093,
-0.06278873234987259,
0.03882912918925285,
0.04910089448094368,
-0.01924346759915352,
-0.04207950457930565,
-0.0022347138728946447,
0.05589626356959343,
-0.010387592948973179,
-0.0... |
cb0f87fd-158a-43ea-9f0a-1d3eeff06be4 | Syntax
sql
initialQueryID()
Aliases
:
initial_query_id
Arguments
None.
Returned value
Returns the ID of the initial current query.
String
Examples
Usage example
sql title=Query
CREATE TABLE tmp (str String) ENGINE = Log;
INSERT INTO tmp (*) VALUES ('a');
SELECT count(DISTINCT t) FROM (SELECT ini... | {"source_file": "other-functions.md"} | [
-0.021832015365362167,
-0.01923026517033577,
-0.028679130598902702,
0.0933210626244545,
-0.09529438614845276,
-0.0252340417355299,
0.031102381646633148,
0.025249315425753593,
0.09345003217458725,
-0.024745365604758263,
0.033292870968580246,
-0.017127981409430504,
0.051133789122104645,
-0.0... |
789e785f-19fe-48bf-8794-7251bd47c27b | sql title=Query
SELECT finalizeAggregation(state), toTypeName(state) FROM (SELECT initializeAggregation('sumState', number % 3) AS state FROM numbers(5));
response title=Response
ββfinalizeAggregation(state)ββ¬βtoTypeName(state)ββββββββββββββ
β 0 β AggregateFunction(sum, UInt8) β
β ... | {"source_file": "other-functions.md"} | [
-0.0711829736828804,
-0.023594340309500694,
0.025116844102740288,
0.08564156293869019,
-0.05912493169307709,
0.014227843843400478,
0.08884958922863007,
0.021505774930119514,
-0.021170319989323616,
-0.010499793104827404,
-0.046765245497226715,
-0.08845183998346329,
0.0209727194160223,
-0.06... |
9ab0dc29-5021-4d3a-a2b9-3c3d0a8d40bb | response title=Response
ββisDecimalOverflow(toDecimal32(1000000000, 0), 9)ββ¬βisDecimalOverflow(toDecimal32(1000000000, 0))ββ¬βisDecimalOverflow(toDecimal32(-1000000000, 0), 9)ββ¬βisDecimalOverflow(toDecimal32(-1000000000, 0))ββ
β 1 β ... | {"source_file": "other-functions.md"} | [
-0.0029281191527843475,
0.05878686532378197,
-0.08018134534358978,
0.07898121327161789,
-0.04365461319684982,
-0.06615616381168365,
0.03952384740114212,
0.09656618535518646,
-0.05321192368865013,
0.002634357428178191,
0.05526310205459595,
-0.05466744303703308,
0.1013464480638504,
-0.062905... |
765c9c5d-f26e-4310-ac9b-30514b71d415 | Allows you to extract data from a table the same way as from a dictionary.
Gets data from Join tables using the specified join key.
Unlike
joinGet
it returns
NULL
when the key is missing.
:::note
Only supports tables created with the
ENGINE = Join(ANY, LEFT, <join_keys>)
statement
.
:::
Syntax
sql
joinGetO... | {"source_file": "other-functions.md"} | [
-0.014205853454768658,
0.0381561703979969,
-0.10138014703989029,
0.10257048904895782,
-0.05640358105301857,
-0.03897852823138237,
0.07277756929397583,
0.09890223294496536,
-0.09660236537456512,
-0.003472878597676754,
0.048072732985019684,
0.007109359838068485,
0.10382039844989777,
-0.08905... |
1e943aac-5236-4fcb-87b6-045be64d8bc4 | INSERT INTO test VALUES ('ab'), ('cd'), ('ab'), ('ab'), ('df');
INSERT INTO test VALUES ('ef'), ('cd'), ('ab'), ('cd'), ('ef');
SELECT s, lowCardinalityIndices(s) FROM test;
```
response title=Response
ββsβββ¬βlowCardinalityIndices(s)ββ
β ab β 1 β
β cd β 2 β
β ab β ... | {"source_file": "other-functions.md"} | [
0.05166691914200783,
0.0288395918905735,
-0.02893870882689953,
0.0003904630139004439,
-0.07101603597402573,
-0.08070604503154755,
0.04793672263622284,
0.02031616121530533,
-0.00815058033913374,
0.021016642451286316,
0.11363483220338821,
-0.06602926552295685,
0.03415462002158165,
-0.0124442... |
73bba5fa-40b8-43e8-a411-553e07c8f016 | SELECT countMatches('foobarfoo', 'foo');
SELECT countMatches('foobarfoo', materialize('foo'));
```
response title=Response
2
Code: 44. DB::Exception: Received from localhost:9000. DB::Exception: Illegal type of argument #2 'pattern' of function countMatches, expected constant String, got String
minSampleSizeContinu... | {"source_file": "other-functions.md"} | [
0.05340809002518654,
-0.011254839599132538,
0.005241414997726679,
0.06129120662808418,
-0.11447650194168091,
0.015630632638931274,
-0.008008860051631927,
0.12463837116956711,
-0.02937854826450348,
-0.028589775785803795,
-0.008801458403468132,
-0.13581885397434235,
0.051307275891304016,
-0.... |
2ebf62e0-de62-40ab-b2cd-2715197bd27b | power
β Required statistical power of a test (1 - probability of Type II error).
Float*
alpha
β Required significance level of a test (probability of Type I error).
Float*
Returned value
Returns a named Tuple with 3 elements:
minimum_sample_size
,
detect_range_lower
,
detect_range_upper
. These are, resp... | {"source_file": "other-functions.md"} | [
0.049230027943849564,
0.042397987097501755,
-0.05140641704201698,
0.04262088984251022,
0.04879752919077873,
-0.06100461632013321,
-0.027952291071414948,
0.053933754563331604,
-0.03797640651464462,
0.025257796049118042,
-0.02679067850112915,
-0.051340725272893906,
0.05068853124976158,
-0.04... |
c5888e40-b74c-4b69-80e3-1caf4124f569 | nested {#nested}
Introduced in: v
This is a function used internally by the ClickHouse engine and not meant to be used directly.
Returns the array of tuples from multiple arrays.
The first argument must be a constant array of Strings determining the names of the resulting Tuple.
The other arguments must be arra... | {"source_file": "other-functions.md"} | [
-0.003234041156247258,
-0.008396467193961143,
0.008680774830281734,
0.05961279943585396,
-0.12175378203392029,
-0.06779848039150238,
0.07499866187572479,
0.017172563821077347,
-0.08239810913801193,
-0.02071135863661766,
0.00025750542408786714,
0.020466553047299385,
0.08662097901105881,
-0.... |
93ae8cd9-c528-43fb-8bbe-9c9e88effdef | response title=Response
ββresββ
β 1 β
βββββββ
normalizedQueryHashKeepNames {#normalizedQueryHashKeepNames}
Introduced in: v21.2
Like
normalizedQueryHash
it returns identical 64 bit hash values without the values of literals for similar queries, but it does not replace complex aliases (containing whitespace, m... | {"source_file": "other-functions.md"} | [
0.053161878138780594,
0.03340715914964676,
0.018857533112168312,
-0.009152024984359741,
-0.11067059636116028,
-0.05871563404798508,
0.046201441437006,
-0.048973169177770615,
0.023821605369448662,
-0.012217958457767963,
-0.02809084579348564,
-0.025587288662791252,
0.059661105275154114,
-0.0... |
fa561f82-90d7-489d-8790-a3226bf77788 | Returned value
Returns the number of bytes, rounded up to the nearest integer, or
NULL
if unable to parse the input
Nullable(UInt64)
Examples
Usage example
sql title=Query
SELECT arrayJoin(['1 B', '1 KiB', '3 MB', '5.314 KiB', 'invalid']) AS readable_sizes, parseReadableSizeOrNull(readable_sizes) AS sizes;
... | {"source_file": "other-functions.md"} | [
0.010236036032438278,
0.02453939989209175,
-0.07912776619195938,
0.05271587893366814,
-0.10916189104318619,
-0.012447595596313477,
0.0669863373041153,
0.04372544586658478,
-0.0426427386701107,
-0.013595235534012318,
-0.04629340022802353,
-0.04928375780582428,
0.0447552427649498,
-0.0608319... |
9176bff7-e8b9-4b84-bafd-a53142396ccd | sql title=Query
SELECT parseTimeDelta('1yr2mo')
response title=Response
ββparseTimeDelta('1yr2mo')ββ
β 36806400 β
ββββββββββββββββββββββββββββ
partitionId {#partitionId}
Introduced in: v21.4
Computes the
partition ID
.
:::note
This function is slow and should not be called for large numbers o... | {"source_file": "other-functions.md"} | [
-0.021148597821593285,
0.000231345315114595,
0.04701998829841614,
-0.005784383974969387,
-0.032282449305057526,
-0.06291268765926361,
0.07686913758516312,
0.054525621235370636,
-0.002020507585257292,
-0.04970630258321762,
0.003409670665860176,
-0.03149450942873955,
-0.006763855926692486,
-... |
6069d191-aebd-40a7-82f8-82243361dfee | Examples
Usage example
sql title=Query
SELECT rowNumberInAllBlocks()
FROM
(
SELECT *
FROM system.numbers_mt
LIMIT 10
)
SETTINGS max_block_size = 2
response title=Response
ββrowNumberInAllBlocks()ββ
β 0 β
β 1 β
ββββββββββββββββββββββββββ
ββrowNumberInAllBlocks(... | {"source_file": "other-functions.md"} | [
-0.08028263598680496,
-0.024341970682144165,
-0.038813233375549316,
-0.0107577508315444,
-0.05763332173228264,
-0.015038833022117615,
0.0119194770231843,
0.028116948902606964,
-0.03266375511884689,
-0.010164350271224976,
-0.022563401609659195,
0.0068043069913983345,
0.003953215200453997,
-... |
b1c19436-129c-4c07-8bc0-6e3adc3ea4c6 | response title=Response
ββnumberββ¬βone_row_sumββ¬βcumulative_sumββ
β 0 β 0 β 0 β
β 1 β 1 β 1 β
β 2 β 2 β 3 β
β 3 β 3 β 6 β
β 4 β 4 β 10 β
ββββββββββ΄ββββββββββββββ΄βββββββββββββββββ
... | {"source_file": "other-functions.md"} | [
-0.027601728215813637,
-0.06886226683855057,
-0.04060085490345955,
0.04051213711500168,
-0.05431830883026123,
0.006695093121379614,
-0.018764056265354156,
-0.004698551259934902,
0.028341669589281082,
0.021928150206804276,
0.041354719549417496,
-0.09136991947889328,
-0.02383209578692913,
-0... |
f1c04a93-f12b-456b-822d-7e6d8fbfa56a | Syntax
sql
runningDifference(x)
Arguments
x
β Column for which to calculate the running difference.
Any
Returned value
Returns the difference between consecutive values, with 0 for the first row.
Examples
Usage example
sql title=Query
SELECT
EventID,
EventTime,
runningDifference(EventT... | {"source_file": "other-functions.md"} | [
-0.01623208448290825,
-0.00007350810483330861,
0.0035730840172618628,
-0.01030436996370554,
-0.02291635051369667,
-0.04658134654164314,
0.03547393158078194,
0.0008797834161669016,
0.03902420401573181,
0.0008242317126132548,
-0.019074609503149986,
-0.046904340386390686,
-0.07414205372333527,
... |
7eafe64e-8ddd-4221-ac86-eaba07615122 | Introduced in: v21.9
Returns the total number of shards for a distributed query.
If a query is not distributed then constant value
0
is returned.
Syntax
sql
shardCount()
Arguments
None.
Returned value
Returns the total number of shards or
0
.
UInt32
Examples
Usage example
sql title=Query
-- ... | {"source_file": "other-functions.md"} | [
0.07398514449596405,
-0.06357374042272568,
-0.01685524359345436,
0.07232260704040527,
-0.049440689384937286,
-0.011903746984899044,
-0.01899501495063305,
-0.023001449182629585,
0.06856793165206909,
-0.009615328162908554,
0.029753118753433228,
-0.020820798352360725,
0.0553583949804306,
-0.0... |
41227203-1113-439d-ba79-7bd147fd9a69 | Testing
: When testing or benchmarking ClickHouse, you may want to simulate delays or introduce pauses to observe how the system behaves under certain conditions.
Debugging
: If you need to examine the state of the system or the execution of a query at a specific point in time, you can use
sleep()
to introduce a pa... | {"source_file": "other-functions.md"} | [
-0.04390041157603264,
-0.0743931233882904,
-0.09817603975534439,
0.06926333159208298,
-0.035038743168115616,
-0.06276629120111465,
0.03154131397604942,
-0.036164090037345886,
-0.028481248766183853,
-0.0331881046295166,
0.008682552725076675,
-0.01637507975101471,
0.0028539220802485943,
-0.0... |
1203cba5-3d67-4385-9c9d-7934e95d1231 | Syntax
sql
sleepEachRow(seconds)
Arguments
seconds
β The number of seconds to pause the query execution for each row in the result set to a maximum of 3 seconds. It can be a floating-point value to specify fractional seconds.
const UInt*
or
const Float*
Returned value
Returns
0
for each row.
UInt8
... | {"source_file": "other-functions.md"} | [
-0.008616884239017963,
-0.022453488782048225,
-0.07565426826477051,
0.07196702063083649,
-0.027250532060861588,
-0.03068586066365242,
0.07592014968395233,
-0.03545067086815834,
0.03869376704096794,
-0.002793962834402919,
0.000414715294027701,
-0.06608826667070389,
-0.04986156150698662,
-0.... |
8f1df287-4c2e-460a-a21d-9b32b2be7b07 | throwIf {#throwIf}
Introduced in: v1.1
Throw an exception if argument x is true.
To use the
error_code
argument, configuration parameter
allow_custom_error_code_in_throw
must be enabled.
Syntax
sql
throwIf(x[, message[, error_code]])
Arguments
x
β The condition to check.
Any
message
β Optional. C... | {"source_file": "other-functions.md"} | [
0.056988559663295746,
0.017696095630526543,
-0.0438944511115551,
0.03779119998216629,
-0.0035682108718901873,
0.038606662303209305,
0.05471086502075195,
0.09324057400226593,
-0.028272032737731934,
0.019958755001425743,
0.046722933650016785,
-0.07633545994758606,
0.06648501008749008,
-0.032... |
5282900d-abdf-4097-9d8f-eba49e7c8a31 | For more information see the page
Transactional (ACID) support
.
:::
Syntax
sql
transactionID()
Arguments
None.
Returned value
Returns a tuple consisting of
start_csn
,
local_tid
and
host_id
.
-
start_csn
: Global sequential number, the newest commit timestamp that was seen when this transaction b... | {"source_file": "other-functions.md"} | [
-0.05709048733115196,
-0.023723818361759186,
-0.094562828540802,
0.027590081095695496,
-0.03376691788434982,
0.025469722226262093,
0.06774485111236572,
-0.02847016043961048,
0.07927986234426498,
-0.030222967267036438,
0.06775632500648499,
0.03471486642956734,
0.0018577591981738806,
-0.0898... |
ecbf736a-d784-4b42-a967-e597fde0ed83 | transform {#transform}
Introduced in: v1.1
Transforms a value according to the explicitly defined mapping of some elements to other elements.
There are two variations of this function:
-
transform(x, array_from, array_to, default)
- transforms
x
using mapping arrays with a default value for unmatched elements... | {"source_file": "other-functions.md"} | [
0.019958680495619774,
0.01627594232559204,
-0.00826269295066595,
-0.04910941794514656,
0.005055942106992006,
-0.06812307983636856,
0.039984509348869324,
-0.08926647156476974,
-0.014312569983303547,
-0.054130423814058304,
0.0035106800496578217,
0.0060724555514752865,
0.007072984240949154,
-... |
73fd3d06-839e-48d7-9cd5-fb519209a61e | response title=Response
ββsβββββββββββββββ¬βββββββcββ
β β 2906259 β
β www.yandex β 867767 β
β βββββββ.ru β 313599 β
β mail.yandex.ru β 107147 β
β ββββββ.ru β 100355 β
β βββββββββ.ru β 65040 β
β news.yandex.ru β 64515 β
β ββββββ.net β 59141 β
β example.com β 57316 β
ββββββ... | {"source_file": "other-functions.md"} | [
0.016171589493751526,
-0.06339989602565765,
0.007817618548870087,
0.079646535217762,
-0.023572219535708427,
-0.026334771886467934,
0.15784819424152374,
-0.042742062360048294,
-0.01679311878979206,
0.0208742618560791,
-0.0047363294288516045,
-0.058561887592077255,
0.08013410121202469,
-0.07... |
81473682-e8ac-44fb-a0de-0f5f002eaa15 | response title=Response
ββa_union_bββ¬βa_cardinalityββ¬βb_cardinalityββ
β 4 β 2 β 3 β
βββββββββββββ΄ββββββββββββββββ΄ββββββββββββββββ
uptime {#uptime}
Introduced in: v1.1
Returns the server's uptime in seconds.
If executed in the context of a distributed table, this function generates ... | {"source_file": "other-functions.md"} | [
-0.03478710725903511,
0.021840615198016167,
-0.048809200525283813,
0.07326848804950714,
-0.033821772783994675,
-0.008180259726941586,
0.020038625225424767,
0.02150631882250309,
0.015795135870575905,
0.016530834138393402,
0.0038311397656798363,
-0.05990653485059738,
-0.0349750816822052,
-0.... |
48d96c32-094c-471c-8850-3a57d7bba978 | response title=Response
ββvariantType(v)ββ
β None β
β UInt64 β
β String β
β Array(UInt64) β
ββββββββββββββββββ
version {#version}
Introduced in: v1.1
Returns the current version of ClickHouse as a string in the form:
major_version.minor_version.patch_version.number_of_commits_since_the... | {"source_file": "other-functions.md"} | [
0.03651052713394165,
-0.004941627383232117,
-0.03733937442302704,
0.05498012155294418,
-0.029756104573607445,
-0.04897685721516609,
-0.004665188957005739,
-0.013728780671954155,
-0.03118627518415451,
0.028144966810941696,
0.06135944277048111,
-0.013354463502764702,
0.021038005128502846,
-0... |
dc8caef7-2d2b-478c-846b-8fcd7e4aade7 | description: 'Documentation for Json Functions'
sidebar_label: 'JSON'
slug: /sql-reference/functions/json-functions
title: 'JSON Functions'
doc_type: 'reference'
Types of JSON functions {#types-of-functions}
There are two sets of functions to parse JSON:
-
simpleJSON*
(
visitParam*
)
which is made for parsing ... | {"source_file": "json-functions.md"} | [
-0.06949818879365921,
0.022027993574738503,
-0.019771326333284378,
0.001794022275134921,
-0.07199224829673767,
-0.048478368669748306,
-0.030054472386837006,
0.020059529691934586,
-0.04333706572651863,
-0.09002312272787094,
0.05594927817583084,
-0.015175734646618366,
-0.029871702194213867,
... |
31518d77-fa76-49d7-b780-c15a1667a8b3 | JSONAllPathsWithTypes {#JSONAllPathsWithTypes}
Introduced in: v24.8
Returns the list of all paths and their data types stored in each row in JSON column.
Syntax
sql
JSONAllPathsWithTypes(json)
Arguments
json
β JSON column.
JSON
Returned value
Returns a map of all paths and their data types in the ... | {"source_file": "json-functions.md"} | [
0.020696628838777542,
-0.01759178936481476,
0.041409920901060104,
0.06085548922419548,
-0.0803975760936737,
-0.00593690387904644,
-0.03679423779249191,
0.0163527000695467,
-0.037877462804317474,
-0.017712263390421867,
0.016058476641774178,
0.008679434657096863,
-0.03311695531010628,
0.0602... |
f0ec51ad-d202-4e90-8635-c42089949528 | JSONDynamicPathsWithTypes {#JSONDynamicPathsWithTypes}
Introduced in: v24.8
Returns the list of dynamic paths that are stored as separate subcolumns and their types in each row in JSON column.
Syntax
sql
JSONDynamicPathsWithTypes(json)
Arguments
json
β JSON column.
JSON
Returned value
Returns a ma... | {"source_file": "json-functions.md"} | [
0.01149396225810051,
-0.01891183853149414,
0.04246492311358452,
0.06296315789222717,
-0.09565231204032898,
-0.0026270104572176933,
-0.04977522790431976,
0.012149871326982975,
-0.03861216455698013,
-0.030887838453054428,
0.022973408922553062,
-0.020572131499648094,
-0.020518597215414047,
0.... |
2a51d924-87d4-479d-8ab8-5d6c13cc04bd | JSONExtractArrayRawCaseInsensitive {#JSONExtractArrayRawCaseInsensitive}
Introduced in: v25.8
Returns an array with elements of JSON array, each represented as unparsed string, using case-insensitive key matching. This function is similar to
JSONExtractArrayRaw
.
Syntax
sql
JSONExtractArrayRawCaseInsensitive(j... | {"source_file": "json-functions.md"} | [
0.019895270466804504,
0.013644673861563206,
0.006030367687344551,
0.02573857456445694,
-0.07193788141012192,
-0.04318000748753548,
0.05603222921490669,
-0.03577817231416702,
-0.05127879977226257,
-0.050145942717790604,
-0.015404889360070229,
-0.007942832075059414,
0.025586020201444626,
0.0... |
cc2ed5a1-c3c1-400c-9923-7f5b91018df3 | response title=Response
123
array_type
sql title=Query
SELECT JSONExtractCaseInsensitive('{"List": [1, 2, 3]}', 'list', 'Array(Int32)')
response title=Response
[1,2,3]
JSONExtractFloat {#JSONExtractFloat}
Introduced in: v20.1
Parses JSON and extracts a value of Float type.
Syntax
sql
JSONExtractFloat(js... | {"source_file": "json-functions.md"} | [
-0.00156906817574054,
0.054262612015008926,
-0.004288982134312391,
0.032675229012966156,
-0.046205054968595505,
-0.0453639030456543,
0.09649836272001266,
0.0280435923486948,
-0.03847789019346237,
-0.04828817769885063,
-0.009510677307844162,
-0.08606623858213425,
-0.0017495248466730118,
0.0... |
a84a136c-8667-4850-b032-c3a9b1a354a7 | response title=Response
123
nested
sql title=Query
SELECT JSONExtractIntCaseInsensitive('{"DATA": {"COUNT": 42}}', 'data', 'Count')
response title=Response
42
JSONExtractKeys {#JSONExtractKeys}
Introduced in: v21.11
Parses a JSON string and extracts the keys.
Syntax
sql
JSONExtractKeys(json[, indices_or... | {"source_file": "json-functions.md"} | [
0.00007005590305197984,
0.03546833246946335,
0.029581943526864052,
0.024232909083366394,
-0.11062260717153549,
-0.021895699203014374,
0.05437019094824791,
0.02489471063017845,
0.005869484972208738,
-0.06251818686723709,
0.022631177678704262,
-0.0004008839896414429,
0.06406236439943314,
-0.... |
91209145-1bff-408e-94d7-b2b11cafabb6 | Arguments
json
β JSON string to parse.
String
indices_or_keys
β A list of zero or more arguments each of which can be either string or integer.
String
or
(U)Int*
Returned value
Returns an array of tuples with parsed key-value pairs where values are unparsed strings.
Array(Tuple(String, String))
Exa... | {"source_file": "json-functions.md"} | [
-0.008119462989270687,
0.06007228046655655,
0.005510185845196247,
0.006716901436448097,
-0.07790334522724152,
-0.0308331660926342,
0.05004703626036644,
0.005876477342098951,
-0.030153600499033928,
-0.06615598499774933,
0.00835954025387764,
-0.011738771572709084,
0.038239315152168274,
-0.02... |
3f8492a1-f11b-4c0a-b81d-9d3b16f9af8f | Examples
Usage example
sql title=Query
SELECT JSONExtractRaw('{"a": "hello", "b": [-100, 200.0, 300]}', 'b') AS res;
response title=Response
ββresβββββββββββββββ
β [-100,200.0,300] β
ββββββββββββββββββββ
JSONExtractRawCaseInsensitive {#JSONExtractRawCaseInsensitive}
Introduced in: v25.8
Returns part of the ... | {"source_file": "json-functions.md"} | [
-0.01686728186905384,
0.05920249596238136,
0.030114002525806427,
0.0474851168692112,
-0.0624091662466526,
-0.038188934326171875,
0.0434306375682354,
0.03701462596654892,
-0.032637231051921844,
-0.04114706814289093,
-0.021825013682246208,
-0.04082394018769264,
0.037089210003614426,
0.031100... |
5fdbb5d9-6ed3-45d9-a243-90fd8a886b45 | Returns a UInt value if it exists, otherwise returns
0
.
UInt64
Examples
Usage example
sql title=Query
SELECT JSONExtractUInt('{"a": "hello", "b": [-100, 200.0, 300]}', 'b', -1) AS res;
response title=Response
ββresββ
β 300 β
βββββββ
JSONExtractUIntCaseInsensitive {#JSONExtractUIntCaseInsensitive}
Introdu... | {"source_file": "json-functions.md"} | [
-0.022876281291246414,
0.03912338614463806,
-0.0013780088629573584,
0.03619023412466049,
-0.08243948221206665,
-0.03133546933531761,
0.04008011147379875,
0.02603774145245552,
-0.017265353351831436,
-0.06935770809650421,
0.040015920996665955,
-0.0727870762348175,
0.03525201231241226,
0.0048... |
4deea189-b428-4f9c-b8fa-3b66e5818355 | response title=Response
ββresββββββββββββββββββββ
β {"a":1,"name":"zoey"} β
βββββββββββββββββββββββββ
JSONSharedDataPaths {#JSONSharedDataPaths}
Introduced in: v24.8
Returns the list of paths that are stored in shared data structure in JSON column.
Syntax
sql
JSONSharedDataPaths(json)
Arguments
json
β ... | {"source_file": "json-functions.md"} | [
0.0014574667438864708,
-0.010046589188277721,
0.008241458795964718,
0.07563621550798416,
-0.09175442904233932,
-0.01468564197421074,
-0.03210015594959259,
0.009201445616781712,
-0.009203780442476273,
-0.020689064636826515,
0.02260446362197399,
-0.0008841096423566341,
0.01691964454948902,
0... |
41504b27-f4b9-428b-919c-b9dbaaecec76 | Returned value
Returns the type of a JSON value as a string, otherwise if the value doesn't exist it returns
Null=0
Enum
Examples
Usage example
sql title=Query
SELECT JSONType('{"a": "hello", "b": [-100, 200.0, 300]}') = 'Object';
SELECT JSONType('{"a": "hello", "b": [-100, 200.0, 300]}', 'a') = 'String';
SE... | {"source_file": "json-functions.md"} | [
-0.02358173578977585,
-0.0030703935772180557,
-0.005794175900518894,
0.013263637199997902,
-0.07261928170919418,
-0.04540321230888367,
0.019832322373986244,
0.022517366334795952,
0.010466599836945534,
-0.0623907595872879,
0.05186204984784126,
-0.04639586806297302,
0.0034543336369097233,
0.... |
5715baf1-2b96-4100-8817-ade5ef1ae2b8 | Syntax
sql
JSON_VALUE(json, path)
Arguments
json
β A string with valid JSON.
String
path
β A string representing the path.
String
Returned value
Returns the extracted JSON scalar as a string, or an empty string if the value does not exist.
String
Examples
Usage example
sql title=Query
SELECT ... | {"source_file": "json-functions.md"} | [
0.02102174237370491,
0.042351916432380676,
0.010788297280669212,
0.058091018348932266,
-0.07590038329362869,
-0.04034337028861046,
0.02702518180012703,
0.020525041967630386,
0.014147985726594925,
-0.08202805370092392,
0.008642164058983326,
-0.029643911868333817,
-0.0442788228392601,
0.0041... |
c9decf93-271c-455b-af21-87d0a15daecc | response title=Response
ββdββββββββββββββ¬βdynamicType(d)ββ¬βdynamicElement(d, 'String')ββ¬βdynamicElement(d, 'Int64')ββ¬βdynamicElement(d, 'Array(Int64)')ββ¬βdynamicElement(d, 'Date')ββ¬βdynamicElement(d, 'Array(String)')ββ
β α΄Ία΅α΄Έα΄Έ β None β α΄Ία΅α΄Έα΄Έ β α΄Ία΅α΄Έα΄Έ β [] ... | {"source_file": "json-functions.md"} | [
0.03755713254213333,
0.008738632313907146,
-0.016065793111920357,
0.09241428226232529,
-0.08021054416894913,
-0.0384586825966835,
0.0500776581466198,
0.025529300794005394,
-0.06742867082357407,
-0.016163822263479233,
0.005441389977931976,
-0.02323155850172043,
-0.02485743910074234,
-0.0399... |
101c9a9a-f409-4ed0-9e5b-9e39b57496e7 | Returns true if the value is stored in shared variant format, false if stored as a separate subcolumn or is NULL.
Bool
Examples
Checking storage format in Dynamic column with max_types limit
sql title=Query
CREATE TABLE test (d Dynamic(max_types=2)) ENGINE = Memory;
INSERT INTO test VALUES (NULL), (42), ('Hello,... | {"source_file": "json-functions.md"} | [
-0.009254737757146358,
0.016527336090803146,
-0.02383931167423725,
0.035886768251657486,
-0.06420782953500748,
-0.024179603904485703,
0.013912123627960682,
0.017611496150493622,
-0.006405623164027929,
-0.011427796445786953,
-0.0038807657547295094,
-0.04520934075117111,
-0.01610003225505352,
... |
eabe24ab-d6ac-4a8b-91ec-a850c381a2a2 | response title=Response
0
1
0
0
simpleJSONExtractFloat {#simpleJSONExtractFloat}
Introduced in: v21.4
Parses
Float64
from the value of the field named
field_name
.
If
field_name
is a string field, it tries to parse a number from the beginning of the string.
If the field does not exist, or it exists but does ... | {"source_file": "json-functions.md"} | [
-0.04061532020568848,
0.05618120729923248,
0.01451276894658804,
0.023366082459688187,
-0.053910039365291595,
-0.03649713844060898,
0.024050865322351456,
0.1029166653752327,
0.02633272111415863,
-0.09761984646320343,
-0.016842694953083992,
-0.03674330189824104,
-0.017810285091400146,
0.0037... |
0ce34e53-4988-4f6d-8a8d-73612e03813b | Examples
Usage example
``sql title=Query
CREATE TABLE jsons
(
json` String
)
ENGINE = MergeTree
ORDER BY tuple();
INSERT INTO jsons VALUES ('{"foo":"-4e3"}');
INSERT INTO jsons VALUES ('{"foo":-3.4}');
INSERT INTO jsons VALUES ('{"foo":5}');
INSERT INTO jsons VALUES ('{"foo":{"def":[1,2,3]}}');
INSERT INTO jsons ... | {"source_file": "json-functions.md"} | [
-0.04467713460326195,
0.00022497924510389566,
0.03834700956940651,
0.03820106014609337,
-0.0864584743976593,
0.009846089407801628,
-0.01886303909122944,
0.03883064538240433,
-0.0229096207767725,
-0.018784839659929276,
0.021024568006396294,
0.02087176777422428,
0.023630453273653984,
-0.0438... |
7668ea84-5405-4111-a6ce-10fb68d43ca1 | response title=Response
0
4
0
3
5
simpleJSONHas {#simpleJSONHas}
Introduced in: v21.4
Checks whether there is a field named
field_name
.
Syntax
sql
simpleJSONHas(json, field_name)
Aliases
:
visitParamHas
Arguments
json
β The JSON in which the field is searched for.
String
field_name
β The name ... | {"source_file": "json-functions.md"} | [
-0.04253186658024788,
0.06031905859708786,
0.014422256499528885,
0.008590146899223328,
-0.10034319758415222,
-0.02354859933257103,
-0.006791211199015379,
0.05235694348812103,
0.01297380868345499,
-0.043433286249637604,
0.010096787475049496,
0.005623929668217897,
-0.009389019571244717,
-0.0... |
2b575319-3d4a-485c-b803-3e22ec9b35ff | description: 'Documentation for functions used to work with URLs'
sidebar_label: 'URLs'
slug: /sql-reference/functions/url-functions
title: 'Functions for working with URLs'
doc_type: 'reference'
Functions for working with URLs
Overview {#overview}
:::note
The functions mentioned in this section are optimized f... | {"source_file": "url-functions.md"} | [
-0.03542696312069893,
-0.025909239426255226,
0.02731914073228836,
-0.03280477970838547,
-0.037690021097660065,
-0.028341373428702354,
-0.018795419484376907,
0.018828146159648895,
0.03745308890938759,
-0.02482648380100727,
-0.03592609614133835,
-0.03733624890446663,
0.055261414498090744,
-0... |
8aa28888-36b5-42c3-9fe7-de4b9bc57c1a | Returned value
Returns the URL with query string removed.
String
Examples
Usage example
sql title=Query
SELECT cutQueryString('http://example.com/path?query=value¶m=123#fragment');
response title=Response
ββcutQueryString('http://example.com/path?query=value¶m=123#fragment')ββ
β http://example.com/pa... | {"source_file": "url-functions.md"} | [
-0.05094064772129059,
0.028725972399115562,
0.04294683784246445,
0.03338225558400154,
-0.052848931401968,
0.009453849866986275,
0.06906652450561523,
0.001486615277826786,
0.0336422473192215,
-0.0596204474568367,
-0.0035634564701467752,
-0.03644954040646553,
0.020244577899575233,
-0.0301945... |
efb4a6ad-bb14-4580-9e9e-abd4c8ab85f6 | ```yaml
public_suffix_list.dat
```
Syntax
sql
cutToFirstSignificantSubdomainCustom(url, tld_list_name)
Arguments
url
β URL or domain string to process.
String
tld_list_name
β Name of the custom TLD list configured in ClickHouse.
const String
Returned value
Returns the part of the doma... | {"source_file": "url-functions.md"} | [
-0.022537628188729286,
-0.04199008271098137,
0.008791659027338028,
-0.05830393359065056,
-0.026232309639453888,
-0.09005293995141983,
0.024159977212548256,
0.02262309566140175,
-0.001851760665886104,
0.02041737735271454,
0.01610875315964222,
-0.038435742259025574,
-0.021152736619114876,
-0... |
5aa4e58e-f5aa-4d2d-8dad-a4038003f712 | Examples
Usage example
sql title=Query
SELECT cutToFirstSignificantSubdomainCustomWithWWW('www.foo', 'public_suffix_list');
response title=Response
ββcutToFirstSignificantSubdomainCustomWithWWW('www.foo', 'public_suffix_list')ββ
β www.foo β
ββββ... | {"source_file": "url-functions.md"} | [
-0.05465582758188248,
-0.025212762877345085,
-0.009370354004204273,
-0.05876559391617775,
-0.03737879544496536,
-0.09107708930969238,
0.014457782730460167,
0.038103602826595306,
-0.010087460279464722,
0.017505336552858353,
0.018231213092803955,
-0.04106529802083969,
0.023136839270591736,
-... |
ebf8a132-5c79-4cb2-b62a-5d0d0f2d0fdf | cutToFirstSignificantSubdomainWithWWW {#cutToFirstSignificantSubdomainWithWWW}
Introduced in: v20.12
Returns the part of the domain that includes top-level subdomains up to the "first significant subdomain", without stripping 'www.'.
Similar to
cutToFirstSignificantSubdomain
but preserves the 'www.' prefix if p... | {"source_file": "url-functions.md"} | [
0.009057939983904362,
-0.028426017612218857,
0.036473389714956284,
-0.041743502020835876,
-0.022951066493988037,
-0.09958530962467194,
0.030448170378804207,
-0.03940865024924278,
0.015996607020497322,
0.006647753529250622,
0.000861273321788758,
-0.062198739498853683,
-0.00030242628417909145,... |
ac4a26f3-feb3-4ccd-a8cc-c61a73e4610b | cutURLParameter {#cutURLParameter}
Introduced in: v1.1
Removes the
name
parameter from a URL, if present.
This function does not encode or decode characters in parameter names, e.g.
Client ID
and
Client%20ID
are treated as different parameter names.
Syntax
sql
cutURLParameter(url, name)
Arguments
ur... | {"source_file": "url-functions.md"} | [
-0.027431130409240723,
0.035309869796037674,
-0.0014921554829925299,
0.03307681530714035,
-0.1423465460538864,
-0.049705907702445984,
0.0037824921309947968,
-0.04960411414504051,
0.005920090712606907,
0.011542610824108124,
0.030667169019579887,
-0.05025269463658333,
0.019100306555628777,
-... |
049987e7-5e99-4e64-88b9-ad18bb4e236d | Introduced in: v1.1
Extracts the hostname from a URL.
The URL can be specified with or without a protocol.
Syntax
sql
domain(url)
Arguments
url
β URL.
String
Returned value
Returns the host name if the input string can be parsed as a URL, otherwise an empty string.
String
Examples
Usage examp... | {"source_file": "url-functions.md"} | [
-0.051788344979286194,
-0.07503188401460648,
-0.06452620029449463,
0.002294011879712343,
-0.017329121008515358,
-0.11648423969745636,
0.009957721456885338,
-0.006673752795904875,
0.04296014457941055,
-0.027038246393203735,
0.000019646746295620687,
-0.011867971159517765,
0.018634019419550896,... |
0e87d664-fce0-42cd-a114-58c10d3f636f | response title=Response
ββdomainWithoutWWW('http://user:password@www.example.com:8080/path?query=value#fragment')ββ¬βdomainWithoutWWWRFC('http://user:password@www.example.com:8080/path?query=value#fragment')ββ
β β example.com ... | {"source_file": "url-functions.md"} | [
-0.04454997554421425,
-0.04474275931715965,
-0.017513863742351532,
-0.01460795197635889,
-0.055919669568538666,
-0.008214449509978294,
-0.00593806616961956,
-0.010676640085875988,
0.021186061203479767,
-0.0335826501250267,
0.004231805447489023,
-0.043343815952539444,
0.0781477764248848,
-0... |
ed6f2c37-a4e9-493d-aa76-2c2ff2c77535 | extractURLParameterNames {#extractURLParameterNames}
Introduced in: v1.1
Returns an array of name strings corresponding to the names of URL parameters.
The values are not decoded.
Syntax
sql
extractURLParameterNames(url)
Arguments
url
β URL.
String
Returned value
Returns an array of name strings c... | {"source_file": "url-functions.md"} | [
-0.0569194033741951,
-0.009495045989751816,
-0.0390506274998188,
0.057110488414764404,
-0.06239322945475578,
-0.04990696534514427,
0.06609019637107849,
-0.029317913576960564,
0.006906827911734581,
-0.023423142731189728,
-0.007804316934198141,
-0.01163253653794527,
0.044427331537008286,
-0.... |
b642ab50-adb4-4759-932c-b03d116a72fd | netloc {#netloc}
Introduced in: v20.5
Extracts network locality (
username:password@host:port
) from a URL.
Syntax
sql
netloc(url)
Arguments
url
β URL.
String
Returned value
Returns
username:password@host:port
from a given URL.
String
Examples
Usage example
sql title=Query
SELECT netloc('... | {"source_file": "url-functions.md"} | [
-0.024795880541205406,
-0.07371967285871506,
-0.03516685590147972,
0.05565075948834419,
-0.0923273041844368,
-0.047527048736810684,
0.03641564026474953,
0.008364333771169186,
0.009128987789154053,
-0.015466946177184582,
-0.020234819501638412,
-0.005879309494048357,
0.021958475932478905,
-0... |
cf34106a-1077-48d6-b8a0-c93810db0c2b | Syntax
sql
portRFC(url[, default_port])
Arguments
url
β URL.
String
default_port
β Optional. The default port number to be returned.
0
by default.
UInt16
Returned value
Returns the port or the default port if there is no port in the URL or in case of a validation error.
UInt16
Examples
Usage ... | {"source_file": "url-functions.md"} | [
-0.0723685547709465,
-0.03816935792565346,
-0.09693082422018051,
-0.037392277270555496,
-0.053228434175252914,
-0.10920621454715729,
0.025590920820832253,
-0.0055869873613119125,
-0.044286806136369705,
-0.042327944189310074,
0.059805288910865784,
0.015012607909739017,
0.0031252196058630943,
... |
54f2a69c-3c66-4ec8-a700-74a03a2a6938 | Examples
Usage example
sql title=Query
SELECT topLevelDomain('svn+ssh://www.some.svn-hosting.com:80/repo/trunk');
response title=Response
ββtopLevelDomain('svn+ssh://www.some.svn-hosting.com:80/repo/trunk')ββ
β com β
ββββββββββββββββββββββββββββββββββ... | {"source_file": "url-functions.md"} | [
-0.01932387985289097,
-0.04932890832424164,
-0.03914673253893852,
-0.011570421978831291,
-0.05297914519906044,
-0.09538223594427109,
-0.021993910893797874,
0.024843893945217133,
0.03754048049449921,
-0.03295484557747841,
-0.023121442645788193,
-0.061664752662181854,
0.04700196161866188,
-0... |
f4abf74d-1cf1-4acc-b482-0b007e6ec0fb | description: 'Documentation for encoding functions'
sidebar_label: 'Encoding'
slug: /sql-reference/functions/encoding-functions
title: 'Encoding functions'
keywords: ['encoding', 'regular functions', 'encode', 'decode']
doc_type: 'reference'
Encoding functions
bech32Decode {#bech32Decode}
Introduced in: v25... | {"source_file": "encoding-functions.md"} | [
0.01796361617743969,
-0.004906814079731703,
-0.05904068052768707,
0.010620342567563057,
-0.07182144373655319,
0.014044497162103653,
0.05490444228053093,
-0.014351099729537964,
-0.04537881165742874,
-0.00663487333804369,
-0.04314140975475311,
-0.042022597044706345,
0.03222484514117241,
-0.1... |
159d5037-5e43-461c-b578-4ba35ae644fd | response title=Response
bc1w508d6qejxtdg4y5r3zarvary0c5xw7k8zcwmq
Bech32 algorithm
sql title=Query
-- A witness version of 0 will result in a different address string.
SELECT bech32Encode('bc', unhex('751e76e8199196d454941c45d1b3a323f1433bd6'), 0)
response title=Response
bc1w508d6qejxtdg4y5r3zarvary0c5xw7kj7gz7z
... | {"source_file": "encoding-functions.md"} | [
0.01326151005923748,
0.055226173251867294,
0.038815587759017944,
-0.0010370807722210884,
-0.07455359399318695,
0.016151444986462593,
0.009032036177814007,
-0.06864847242832184,
0.008089008741080761,
0.016152814030647278,
-0.041457649320364,
-0.12078803032636642,
0.029025482013821602,
-0.05... |
be70b45c-247c-4165-8dba-fee443697d0a | Syntax
sql
bin(arg)
Arguments
arg
β A value to convert to binary.
String
or
FixedString
or
(U)Int*
or
Float*
or
Decimal
or
Date
or
DateTime
Returned value
Returns a string with the binary representation of the argument.
String
Examples
Simple integer
sql title=Query
SELECT bin(14)
r... | {"source_file": "encoding-functions.md"} | [
0.09074559807777405,
0.022608676925301552,
-0.11403637379407883,
0.04332786798477173,
-0.08467885106801987,
-0.024182016029953957,
0.07159890234470367,
0.05105225741863251,
-0.04746418446302414,
0.0307928454130888,
-0.0874849483370781,
-0.07421249896287918,
0.05521157383918762,
-0.04600124... |
17c5af77-736c-489b-91d5-45b1128deaf0 | Returns an array with the ascendingly ordered powers of two which sum up to the input number.
Array(UInt64)
Examples
Basic example
sql title=Query
SELECT bitmaskToArray(50) AS powers_of_two
response title=Response
ββpowers_of_twoββββ
β [2, 16, 32] β
βββββββββββββββββββ
Single power of two
sql title=Que... | {"source_file": "encoding-functions.md"} | [
0.040159646421670914,
0.09911098331212997,
-0.07477452605962753,
0.06809060275554657,
-0.11660584807395935,
-0.07382870465517044,
0.07633376866579056,
0.005895751528441906,
-0.06791485100984573,
-0.03072984144091606,
-0.1000199168920517,
-0.054642826318740845,
0.038394030183553696,
-0.0170... |
116634c5-614b-4b2e-bf94-8e00566149e2 | hex {#hex}
Introduced in: v1.1
Returns a string containing the argument's hexadecimal representation according
to the following logic for different types:
| Type | Description ... | {"source_file": "encoding-functions.md"} | [
0.06030441075563431,
0.08649371564388275,
-0.029553906992077827,
-0.011753437109291553,
-0.07807497680187225,
0.02628275752067566,
0.053525328636169434,
0.06368681788444519,
0.008431843481957912,
-0.023289434611797333,
0.016031833365559578,
-0.04862922057509422,
0.037288401275873184,
0.017... |
f8a2bf11-6cba-4a11-9c28-ed39201c9dc2 | Examples
Simple integer
sql title=Query
SELECT hex(1)
response title=Response
01
Float32 numbers
sql title=Query
SELECT hex(toFloat32(number)) AS hex_presentation FROM numbers(15, 2)
response title=Response
ββhex_presentationββ
β 00007041 β
β 00008041 β
ββββββββββββββββββββ
Float64 numbers... | {"source_file": "encoding-functions.md"} | [
0.002799384295940399,
-0.0033506618347018957,
-0.07359596341848373,
-0.0108622582629323,
-0.03763458505272865,
-0.014516938477754593,
0.014686749316751957,
0.02264188602566719,
-0.058149080723524094,
-0.0604836642742157,
-0.009152663871645927,
-0.07904548943042755,
0.033636678010225296,
-0... |
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