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docs.csv-spec
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docs.csv-spec
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//
// CSV spec used by the docs
//
///////////////////////////////
//
// Describe table
//
///////////////////////////////
describeTable
// tag::describeTable
DESCRIBE emp;
column | type | mapping
--------------------+---------------+---------------
birth_date |TIMESTAMP |DATE
dep |STRUCT |NESTED
dep.dep_id |VARCHAR |KEYWORD
dep.dep_name |VARCHAR |TEXT
dep.dep_name.keyword|VARCHAR |KEYWORD
dep.from_date |TIMESTAMP |DATE
dep.to_date |TIMESTAMP |DATE
emp_no |INTEGER |INTEGER
first_name |VARCHAR |TEXT
first_name.keyword |VARCHAR |KEYWORD
gender |VARCHAR |KEYWORD
hire_date |TIMESTAMP |DATE
languages |TINYINT |BYTE
last_name |VARCHAR |TEXT
last_name.keyword |VARCHAR |KEYWORD
salary |INTEGER |INTEGER
// end::describeTable
;
//describeTableAlias
// tag::describeTableAlias
//DESCRIBE employee;
// column | type
//---------------+---------------
// end::describeTableAlias
//;
//
// Show columns
//
showColumns
// tag::showColumns
SHOW COLUMNS IN emp;
column | type | mapping
--------------------+---------------+---------------
birth_date |TIMESTAMP |DATE
dep |STRUCT |NESTED
dep.dep_id |VARCHAR |KEYWORD
dep.dep_name |VARCHAR |TEXT
dep.dep_name.keyword|VARCHAR |KEYWORD
dep.from_date |TIMESTAMP |DATE
dep.to_date |TIMESTAMP |DATE
emp_no |INTEGER |INTEGER
first_name |VARCHAR |TEXT
first_name.keyword |VARCHAR |KEYWORD
gender |VARCHAR |KEYWORD
hire_date |TIMESTAMP |DATE
languages |TINYINT |BYTE
last_name |VARCHAR |TEXT
last_name.keyword |VARCHAR |KEYWORD
salary |INTEGER |INTEGER
// end::showColumns
;
//showColumnsInAlias
// tag::showColumnsInAlias
//SHOW COLUMNS FROM employee;
// column | type
//---------------+---------------
// end::showColumnsInAlias
//;
///////////////////////////////
//
// Show Tables
//
///////////////////////////////
showTables
// tag::showTables
SHOW TABLES;
name | type
---------------+---------------
emp |BASE TABLE
employees |ALIAS
library |BASE TABLE
// end::showTables
;
showTablesLikeExact
// tag::showTablesLikeExact
SHOW TABLES LIKE 'emp';
name | type
---------------+---------------
emp |BASE TABLE
// end::showTablesLikeExact
;
showTablesLikeWildcard
// tag::showTablesLikeWildcard
SHOW TABLES LIKE 'emp%';
name | type
---------------+---------------
emp |BASE TABLE
employees |ALIAS
// end::showTablesLikeWildcard
;
showTablesLikeOneChar
// tag::showTablesLikeOneChar
SHOW TABLES LIKE 'em_';
name | type
---------------+---------------
emp |BASE TABLE
// end::showTablesLikeOneChar
;
showTablesLikeMixed
// tag::showTablesLikeMixed
SHOW TABLES LIKE '%em_';
name | type
---------------+---------------
emp |BASE TABLE
// end::showTablesLikeMixed
;
showTablesLikeEscape
schema::name:s|type:s
// tag::showTablesLikeEscape
SHOW TABLES LIKE 'emp!%' ESCAPE '!';
name | type
---------------+---------------
// end::showTablesLikeEscape
;
showTablesEsMultiIndex
// tag::showTablesEsMultiIndex
SHOW TABLES "*,-l*";
name | type
---------------+---------------
emp |BASE TABLE
employees |ALIAS
// end::showTablesEsMultiIndex
;
///////////////////////////////
//
// Show Functions
//
///////////////////////////////
showFunctions
// tag::showFunctions
SHOW FUNCTIONS;
name | type
-----------------+---------------
AVG |AGGREGATE
COUNT |AGGREGATE
MAX |AGGREGATE
MIN |AGGREGATE
SUM |AGGREGATE
KURTOSIS |AGGREGATE
PERCENTILE |AGGREGATE
PERCENTILE_RANK |AGGREGATE
SKEWNESS |AGGREGATE
STDDEV_POP |AGGREGATE
SUM_OF_SQUARES |AGGREGATE
VAR_POP |AGGREGATE
HISTOGRAM |GROUPING
COALESCE |CONDITIONAL
GREATEST |CONDITIONAL
IFNULL |CONDITIONAL
ISNULL |CONDITIONAL
LEAST |CONDITIONAL
NULLIF |CONDITIONAL
NVL |CONDITIONAL
CURRENT_TIMESTAMP|SCALAR
DAY |SCALAR
DAYNAME |SCALAR
DAYOFMONTH |SCALAR
DAYOFWEEK |SCALAR
DAYOFYEAR |SCALAR
DAY_NAME |SCALAR
DAY_OF_MONTH |SCALAR
DAY_OF_WEEK |SCALAR
DAY_OF_YEAR |SCALAR
DOM |SCALAR
DOW |SCALAR
DOY |SCALAR
HOUR |SCALAR
HOUR_OF_DAY |SCALAR
IDOW |SCALAR
ISODAYOFWEEK |SCALAR
ISODOW |SCALAR
ISOWEEK |SCALAR
ISOWEEKOFYEAR |SCALAR
ISO_DAY_OF_WEEK |SCALAR
ISO_WEEK_OF_YEAR |SCALAR
IW |SCALAR
IWOY |SCALAR
MINUTE |SCALAR
MINUTE_OF_DAY |SCALAR
MINUTE_OF_HOUR |SCALAR
MONTH |SCALAR
MONTHNAME |SCALAR
MONTH_NAME |SCALAR
MONTH_OF_YEAR |SCALAR
NOW |SCALAR
QUARTER |SCALAR
SECOND |SCALAR
SECOND_OF_MINUTE |SCALAR
WEEK |SCALAR
WEEK_OF_YEAR |SCALAR
YEAR |SCALAR
ABS |SCALAR
ACOS |SCALAR
ASIN |SCALAR
ATAN |SCALAR
ATAN2 |SCALAR
CBRT |SCALAR
CEIL |SCALAR
CEILING |SCALAR
COS |SCALAR
COSH |SCALAR
COT |SCALAR
DEGREES |SCALAR
E |SCALAR
EXP |SCALAR
EXPM1 |SCALAR
FLOOR |SCALAR
LOG |SCALAR
LOG10 |SCALAR
MOD |SCALAR
PI |SCALAR
POWER |SCALAR
RADIANS |SCALAR
RAND |SCALAR
RANDOM |SCALAR
ROUND |SCALAR
SIGN |SCALAR
SIGNUM |SCALAR
SIN |SCALAR
SINH |SCALAR
SQRT |SCALAR
TAN |SCALAR
TRUNCATE |SCALAR
ASCII |SCALAR
BIT_LENGTH |SCALAR
CHAR |SCALAR
CHARACTER_LENGTH |SCALAR
CHAR_LENGTH |SCALAR
CONCAT |SCALAR
INSERT |SCALAR
LCASE |SCALAR
LEFT |SCALAR
LENGTH |SCALAR
LOCATE |SCALAR
LTRIM |SCALAR
OCTET_LENGTH |SCALAR
POSITION |SCALAR
REPEAT |SCALAR
REPLACE |SCALAR
RIGHT |SCALAR
RTRIM |SCALAR
SPACE |SCALAR
SUBSTRING |SCALAR
UCASE |SCALAR
CAST |SCALAR
CONVERT |SCALAR
DATABASE |SCALAR
USER |SCALAR
SCORE |SCORE
// end::showFunctions
;
showFunctionsLikeExact
// tag::showFunctionsLikeExact
SHOW FUNCTIONS LIKE 'ABS';
name | type
---------------+---------------
ABS |SCALAR
// end::showFunctionsLikeExact
;
showFunctionsLikeWildcard
// tag::showFunctionsLikeWildcard
SHOW FUNCTIONS LIKE 'A%';
name | type
---------------+---------------
AVG |AGGREGATE
ABS |SCALAR
ACOS |SCALAR
ASIN |SCALAR
ATAN |SCALAR
ATAN2 |SCALAR
ASCII |SCALAR
// end::showFunctionsLikeWildcard
;
showFunctionsLikeChar
// tag::showFunctionsLikeChar
SHOW FUNCTIONS LIKE 'A__';
name | type
---------------+---------------
AVG |AGGREGATE
ABS |SCALAR
// end::showFunctionsLikeChar
;
showFunctionsWithPattern
// tag::showFunctionsWithPattern
SHOW FUNCTIONS LIKE '%DAY%';
name | type
---------------+---------------
DAY |SCALAR
DAYNAME |SCALAR
DAYOFMONTH |SCALAR
DAYOFWEEK |SCALAR
DAYOFYEAR |SCALAR
DAY_NAME |SCALAR
DAY_OF_MONTH |SCALAR
DAY_OF_WEEK |SCALAR
DAY_OF_YEAR |SCALAR
HOUR_OF_DAY |SCALAR
ISODAYOFWEEK |SCALAR
ISO_DAY_OF_WEEK|SCALAR
MINUTE_OF_DAY |SCALAR
// end::showFunctionsWithPattern
;
///////////////////////////////
//
// Select
//
///////////////////////////////
selectColumnAlias
// tag::selectColumnAlias
SELECT 1 + 1 AS result;
result
---------------
2
// end::selectColumnAlias
;
selectInline
// tag::selectInline
SELECT 1 + 1;
1 + 1
--------------
2
// end::selectInline
;
selectColumn
// tag::selectColumn
SELECT emp_no FROM emp LIMIT 1;
emp_no
---------------
10001
// end::selectColumn
;
selectQualifiedColumn
// tag::selectQualifiedColumn
SELECT emp.emp_no FROM emp LIMIT 1;
emp_no
---------------
10001
// end::selectQualifiedColumn
;
wildcardWithOrder
// tag::wildcardWithOrder
SELECT * FROM emp LIMIT 1;
birth_date | emp_no | first_name | gender | hire_date | languages | last_name | salary
--------------------+---------------+---------------+---------------+--------------------+---------------+---------------+---------------
1953-09-02T00:00:00Z|10001 |Georgi |M |1986-06-26T00:00:00Z|2 |Facello |57305
// end::wildcardWithOrder
;
fromTable
// tag::fromTable
SELECT * FROM emp LIMIT 1;
birth_date | emp_no | first_name | gender | hire_date | languages | last_name | salary
--------------------+---------------+---------------+---------------+--------------------+---------------+---------------+---------------
1953-09-02T00:00:00Z|10001 |Georgi |M |1986-06-26T00:00:00Z|2 |Facello |57305
// end::fromTable
;
fromTableQuoted
// tag::fromTableQuoted
SELECT * FROM "emp" LIMIT 1;
birth_date | emp_no | first_name | gender | hire_date | languages | last_name | salary
--------------------+---------------+---------------+---------------+--------------------+---------------+---------------+---------------
1953-09-02T00:00:00Z|10001 |Georgi |M |1986-06-26T00:00:00Z|2 |Facello |57305
// end::fromTableQuoted
;
fromTableQuoted
// tag::fromTablePatternQuoted
SELECT emp_no FROM "e*p" LIMIT 1;
emp_no
---------------
10001
// end::fromTablePatternQuoted
;
fromTableAlias
// tag::fromTableAlias
SELECT e.emp_no FROM emp AS e LIMIT 1;
emp_no
-------------
10001
// end::fromTableAlias
;
basicWhere
// tag::basicWhere
SELECT last_name FROM emp WHERE emp_no = 10001;
last_name
---------------
Facello
// end::basicWhere
;
///////////////////////////////
//
// Group By
//
///////////////////////////////
groupByColumn
schema::g:s
// tag::groupByColumn
SELECT gender AS g FROM emp GROUP BY gender;
g
---------------
null
F
M
// end::groupByColumn
;
groupByOrdinal
schema::gender:s
// tag::groupByOrdinal
SELECT gender FROM emp GROUP BY 1;
gender
---------------
null
F
M
// end::groupByOrdinal
;
groupByAlias
schema::g:s
// tag::groupByAlias
SELECT gender AS g FROM emp GROUP BY g;
g
---------------
null
F
M
// end::groupByAlias
;
groupByExpression
// tag::groupByExpression
SELECT languages + 1 AS l FROM emp GROUP BY l;
l
---------------
null
2
3
4
5
6
// end::groupByExpression
;
groupByMulti
schema::g:s|l:i|c:l
// tag::groupByMulti
SELECT gender g, languages l, COUNT(*) c FROM "emp" GROUP BY g, l ORDER BY languages ASC, gender DESC;
g | l | c
---------------+---------------+---------------
M |null |7
F |null |3
M |1 |9
F |1 |4
null |1 |2
M |2 |11
F |2 |5
null |2 |3
M |3 |11
F |3 |6
M |4 |11
F |4 |6
null |4 |1
M |5 |8
F |5 |9
null |5 |4
// end::groupByMulti
;
groupByAndAgg
schema::g:s|c:i
// tag::groupByAndAgg
SELECT gender AS g, COUNT(*) AS c FROM emp GROUP BY gender;
g | c
---------------+---------------
null |10
F |33
M |57
// end::groupByAndAgg
;
groupByAndAggExpression
// tag::groupByAndAggExpression
schema::g:s|salary:i
SELECT gender AS g, ROUND((MIN(salary) / 100)) AS salary FROM emp GROUP BY gender;
g | salary
---------------+---------------
null |253
F |260
M |259
// end::groupByAndAggExpression
;
groupByAndMultipleAggs
schema::g:s|k:d|s:d
// tag::groupByAndMultipleAggs
SELECT gender AS g, KURTOSIS(salary) AS k, SKEWNESS(salary) AS s FROM emp GROUP BY gender;
g | k | s
---------------+------------------+-------------------
null |2.2215791166941923|-0.03373126000214023
F |1.7873117044424276|0.05504995122217512
M |2.280646181070106 |0.44302407229580243
// end::groupByAndMultipleAggs
;
groupByImplicitCount
// tag::groupByImplicitCount
SELECT COUNT(*) AS count FROM emp;
count
---------------
100
// end::groupByImplicitCount
;
///////////////////////////////
//
// Having
//
///////////////////////////////
groupByHaving
// tag::groupByHaving
SELECT languages AS l, COUNT(*) AS c FROM emp GROUP BY l HAVING c BETWEEN 15 AND 20;
l | c
---------------+---------------
1 |15
2 |19
3 |17
4 |18
// end::groupByHaving
;
groupByHavingMultiple
// tag::groupByHavingMultiple
SELECT MIN(salary) AS min, MAX(salary) AS max, MAX(salary) - MIN(salary) AS diff FROM emp GROUP BY languages HAVING diff - max % min > 0 AND AVG(salary) > 30000;
min | max | diff
---------------+---------------+---------------
28336 |74999 |46663
25976 |73717 |47741
29175 |73578 |44403
26436 |74970 |48534
27215 |74572 |47357
25324 |66817 |41493
// end::groupByHavingMultiple
;
groupByImplicitMultipleAggs
// tag::groupByImplicitMultipleAggs
SELECT MIN(salary) AS min, MAX(salary) AS max, AVG(salary) AS avg, COUNT(*) AS count FROM emp;
min:i | max:i | avg:d | count:l
---------------+---------------+---------------+---------------
25324 |74999 |48248.55 |100
// end::groupByImplicitMultipleAggs
;
groupByHavingImplicitMatch
// tag::groupByHavingImplicitMatch
SELECT MIN(salary) AS min, MAX(salary) AS max FROM emp HAVING min > 25000;
min | max
---------------+---------------
25324 |74999
// end::groupByHavingImplicitMatch
;
//groupByHavingImplicitNoMatch
// tag::groupByHavingImplicitNoMatch
//SELECT MIN(salary) AS min, MAX(salary) AS max FROM emp HAVING max > 75000;
// min | max
//---------------+---------------
// end::groupByHavingImplicitNoMatch
//;
///////////////////////////////
//
// Grouping
//
///////////////////////////////
histogramNumeric
// tag::histogramNumeric
SELECT HISTOGRAM(salary, 5000) AS h FROM emp GROUP BY h;
h
---------------
25000
30000
35000
40000
45000
50000
55000
60000
65000
70000
// end::histogramNumeric
;
histogramNumericExpression
schema::h:i|c:l
// tag::histogramNumericExpression
SELECT HISTOGRAM(salary % 100, 10) AS h, COUNT(*) AS c FROM emp GROUP BY h;
h | c
---------------+---------------
0 |10
10 |15
20 |10
30 |14
40 |9
50 |9
60 |8
70 |13
80 |3
90 |9
// end::histogramNumericExpression
;
histogramDate
schema::h:ts|c:l
// tag::histogramDate
SELECT HISTOGRAM(birth_date, INTERVAL 1 YEAR) AS h, COUNT(*) AS c FROM emp GROUP BY h;
h | c
--------------------+---------------
null |10
1951-04-11T00:00:00Z|1
1952-04-05T00:00:00Z|10
1953-03-31T00:00:00Z|10
1954-03-26T00:00:00Z|7
1955-03-21T00:00:00Z|4
1956-03-15T00:00:00Z|4
1957-03-10T00:00:00Z|6
1958-03-05T00:00:00Z|6
1959-02-28T00:00:00Z|9
1960-02-23T00:00:00Z|7
1961-02-17T00:00:00Z|8
1962-02-12T00:00:00Z|6
1963-02-07T00:00:00Z|7
1964-02-02T00:00:00Z|5
// end::histogramDate
;
expressionOnHistogramNotAllowed-Ignore
// tag::expressionOnHistogramNotAllowed
SELECT HISTOGRAM(MONTH(birth_date), 2) AS h, COUNT(*) as c FROM emp GROUP BY h ORDER BY h DESC;
// end::expressionOnHistogramNotAllowed
histogramDateExpression
schema::h:i|c:l
// tag::histogramDateExpression
SELECT HISTOGRAM(MONTH(birth_date), 2) AS h, COUNT(*) as c FROM emp GROUP BY h ORDER BY h DESC;
h | c
---------------+---------------
12 |7
10 |17
8 |16
6 |16
4 |18
2 |10
0 |6
null |10
// end::histogramDateExpression
;
///////////////////////////////
//
// Date/Time
//
///////////////////////////////
dtIntervalPlusInterval
// tag::dtIntervalPlusInterval
SELECT INTERVAL 1 DAY + INTERVAL 53 MINUTES AS result;
result
---------------
+1 00:53:00.0
// end::dtIntervalPlusInterval
;
dtDatePlusInterval
// tag::dtDatePlusInterval
SELECT CAST('1969-05-13T12:34:56' AS DATE) + INTERVAL 49 YEARS AS result;
result
--------------------
2018-05-13T12:34:56Z
// end::dtDatePlusInterval
;
dtMinusInterval
// tag::dtMinusInterval
SELECT - INTERVAL '49-1' YEAR TO MONTH result;
result
---------------
-49-1
// end::dtMinusInterval
;
dtIntervalMinusInterval
// tag::dtIntervalMinusInterval
SELECT INTERVAL '1' DAY - INTERVAL '2' HOURS AS result;
result
---------------
+0 22:00:00.0
// end::dtIntervalMinusInterval
;
dtDateMinusInterval
// tag::dtDateMinusInterval
SELECT CAST('2018-05-13T12:34:56' AS DATE) - INTERVAL '2-8' YEAR TO MONTH AS result;
result
--------------------
2015-09-13T12:34:56Z
// end::dtDateMinusInterval
;
dtIntervalMul
// tag::dtIntervalMul
SELECT -2 * INTERVAL '3' YEARS AS result;
result
---------------
-6-0
// end::dtIntervalMul
;
///////////////////////////////
//
// Order by
//
///////////////////////////////
orderByBasic
// tag::orderByBasic
SELECT * FROM library ORDER BY page_count DESC LIMIT 5;
author | name | page_count | release_date
-----------------+--------------------+---------------+--------------------
Peter F. Hamilton|Pandora's Star |768 |2004-03-02T00:00:00Z
Vernor Vinge |A Fire Upon the Deep|613 |1992-06-01T00:00:00Z
Frank Herbert |Dune |604 |1965-06-01T00:00:00Z
Alastair Reynolds|Revelation Space |585 |2000-03-15T00:00:00Z
James S.A. Corey |Leviathan Wakes |561 |2011-06-02T00:00:00Z
// end::orderByBasic
;
orderByScore
// tag::orderByScore
SELECT SCORE(), * FROM library WHERE MATCH(name, 'dune') ORDER BY SCORE() DESC;
SCORE() | author | name | page_count | release_date
---------------+---------------+-------------------+---------------+--------------------
2.2886353 |Frank Herbert |Dune |604 |1965-06-01T00:00:00Z
1.8893257 |Frank Herbert |Dune Messiah |331 |1969-10-15T00:00:00Z
1.6086556 |Frank Herbert |Children of Dune |408 |1976-04-21T00:00:00Z
1.4005898 |Frank Herbert |God Emperor of Dune|454 |1981-05-28T00:00:00Z
// end::orderByScore
;
orderByScoreWithMatch
// tag::orderByScoreWithMatch
SELECT SCORE(), * FROM library WHERE MATCH(name, 'dune') ORDER BY page_count DESC;
SCORE() | author | name | page_count | release_date
---------------+---------------+-------------------+---------------+--------------------
2.2886353 |Frank Herbert |Dune |604 |1965-06-01T00:00:00Z
1.4005898 |Frank Herbert |God Emperor of Dune|454 |1981-05-28T00:00:00Z
1.6086556 |Frank Herbert |Children of Dune |408 |1976-04-21T00:00:00Z
1.8893257 |Frank Herbert |Dune Messiah |331 |1969-10-15T00:00:00Z
// end::orderByScoreWithMatch
;
scoreWithMatch
// tag::scoreWithMatch
SELECT SCORE() AS score, name, release_date FROM library WHERE QUERY('dune') ORDER BY YEAR(release_date) DESC;
score | name | release_date
---------------+-------------------+--------------------
1.4005898 |God Emperor of Dune|1981-05-28T00:00:00Z
1.6086556 |Children of Dune |1976-04-21T00:00:00Z
1.8893257 |Dune Messiah |1969-10-15T00:00:00Z
2.2886353 |Dune |1965-06-01T00:00:00Z
// end::scoreWithMatch
;
///////////////////////////////
//
// Limit
//
///////////////////////////////
limitBasic
// tag::limitBasic
SELECT first_name, last_name, emp_no FROM emp LIMIT 1;
first_name | last_name | emp_no
---------------+---------------+---------------
Georgi |Facello |10001
// end::limitBasic
;
///////////////////////////////
//
// Aggregations
//
///////////////////////////////
aggAvg
// tag::aggAvg
SELECT AVG(salary) AS avg FROM emp;
avg:d
---------------
48248.55
// end::aggAvg
;
aggCountStar
// tag::aggCountStar
SELECT COUNT(*) AS count FROM emp;
count
---------------
100
// end::aggCountStar
;
aggCountDistinct
// tag::aggCountDistinct
SELECT COUNT(DISTINCT hire_date) AS hires FROM emp;
hires
---------------
99
// end::aggCountDistinct
;
aggMax
// tag::aggMax
SELECT MAX(salary) AS max FROM emp;
max
---------------
74999
// end::aggMax
;