tests/testthat/test-computeSample.R
In teradata-aster-field/toaster: Big Data in-Database Analytics that Scales with Teradata Aster Distributed Platform
context("computeSample")
test_that("computeSample throws errors", {
expect_error(computeSample(channel=NULL),
"Table name must be specified.")
expect_error(computeSample(channel=NULL, tableName="faketable"),
"Sample fraction or sample size must be specified.")
expect_error(computeSample(channel=NULL, tableName="faketable", sampleFraction=0.1,
except = c("some", "columns", "defined", "without", "include"),
test=FALSE),
"Can't test without include but with except.")
expect_error(computeSample(channel=NULL, tableName="faketable", sampleFraction=1.000001,
test=FALSE),
"sampleFraction <= 1 is not TRUE")
expect_error(computeSample(channel=NULL, tableName="faketable", sampleFraction=c(1.000001,0.01),
test=FALSE),
"sampleFraction <= 1 are not all TRUE")
expect_error(computeSample(channel=NULL, tableName="faketable", sampleFraction=-0.000001,
test=FALSE),
"sampleFraction >= 0 is not TRUE")
expect_error(computeSample(channel=NULL, tableName="faketable", sampleFraction=c(1, 0, -0.000001),
test=FALSE),
"sampleFraction >= 0 are not all TRUE")
expect_error(computeSample(channel=NULL, tableName='faketable', sampleSize = 1000,
conditionColumn = 'conditioncol', conditionStratum='CASE WHEN THEN ELSE END'),
"Both condition column and strata can't be defined. Use either one or another.")
expect_error(computeSample(channel=NULL, tableName="faketable", sampleFraction=0.1,
conditionColumn ='fake column', test=FALSE),
"Both condition column and condition values must be either present or NULLs.")
expect_error(computeSample(channel=NULL, tableName="faketable", sampleFraction=0.1,
conditionValues =c('fake', 'values'), test=FALSE),
"Both condition column and condition values must be either present or NULLs.")
expect_error(computeSample(channel=NULL, tableName="faketable", sampleFraction=c(0.1,0.2,0.4),
conditionColumn = 'condition', conditionValues =c('fake', 'values'),
test=FALSE),
"Number of fractions must match the number of condition values.")
expect_error(computeSample(channel=NULL, tableName="faketable", sampleSize=c(1,2,4),
conditionColumn = 'condition', conditionValues =c('fake', 'values'),
test=FALSE),
"Number of sample sizes must match the number of condition values.")
expect_error(computeSample(channel=NULL, tableName="faketable", sampleSize=c(1,3),
test=FALSE),
"Number of sample sizes must match the number of condition values.")
expect_error(computeSample(channel=NULL, tableName="faketable", sampleFraction=c(0.1,0.3),
test=FALSE),
"Number of fractions must match the number of condition values.")
expect_error(computeSample(channel=NULL, tableName="faketable", sampleFraction=0.000001),
"Connection is not valid RODBC object.")
})
test_that("computeSample SQL is correct", {
expect_equal_normalized(computeSample(channel=NULL, tableName='public.batting_enh',
sampleFraction=0.01, test=TRUE),
"SELECT * FROM sample(
ON (SELECT * FROM public.batting_enh )
SampleFraction('0.01'))")
expect_equal_normalized(computeSample(channel=NULL, tableName='public.batting_enh',
sampleFraction=0.01, sampleSize=100, test=TRUE),
"SELECT * FROM sample(
ON (SELECT * FROM public.batting_enh )
SampleFraction('0.01'))")
expect_equal_normalized(computeSample(channel=NULL, tableName='public.batting_enh',
sampleFraction=0.01, where="lgid='AL'", test=TRUE),
"SELECT * FROM sample(
ON (SELECT * FROM public.batting_enh WHERE lgid='AL' )
SampleFraction('0.01'))")
expect_equal_normalized(computeSample(channel=NULL, tableName='public.batting_enh',
sampleFraction=0.01, include=c('decadeid','g','ab','r','h'),
where="lgid='AL'", test=TRUE),
"SELECT * FROM sample(
ON (SELECT decadeid, g, ab, r, h FROM public.batting_enh WHERE lgid='AL' )
SampleFraction('0.01'))")
expect_equal_normalized(computeSample(channel=NULL, tableName='public.batting_enh',
sampleSize=1000, test=TRUE),
"SELECT *
FROM sample(
ON (SELECT * FROM public.batting_enh )
AS DATA PARTITION BY ANY
ON (SELECT COUNT(*) as stratum_count FROM public.batting_enh )
AS SUMMARY DIMENSION
ApproximateSampleSize('1000'))")
expect_equal_normalized(computeSample(channel=NULL, tableName='public.batting_enh',
sampleSize=1000, where="lgid='NL'", test=TRUE),
"SELECT *
FROM sample(
ON (SELECT * FROM public.batting_enh WHERE lgid='NL' )
AS DATA PARTITION BY ANY
ON (SELECT COUNT(*) as stratum_count FROM public.batting_enh WHERE lgid='NL' )
AS SUMMARY DIMENSION
ApproximateSampleSize('1000'))")
expect_equal_normalized(computeSample(channel=NULL, tableName='public.batting_enh',
sampleSize=1000, include=c('decadeid','g','ab','r','h'),
where="lgid='NL'", test=TRUE),
"SELECT *
FROM sample(
ON (SELECT decadeid, g, ab, r, h FROM public.batting_enh WHERE lgid='NL' )
AS DATA PARTITION BY ANY
ON (SELECT COUNT(*) as stratum_count FROM public.batting_enh WHERE lgid='NL' )
AS SUMMARY DIMENSION
ApproximateSampleSize('1000'))")
})
test_that("computeSample SQL with condition is correct", {
expect_equal_normalized(computeSample(channel=NULL, tableName = 'public.batting_enh',
sampleFraction = 0.01,
conditionColumn = 'decadeid', conditionValues = c(1990,2000,2010),
test = TRUE),
"SELECT *
FROM sample(
ON (SELECT * FROM public.batting_enh )
SampleFraction('0.01')
ConditionOnColumn('decadeid')
ConditionOn('1990', '2000', '2010'))")
expect_equal_normalized(computeSample(channel=NULL, tableName = 'public.batting_enh',
sampleFraction = c(0.01,0.01,0.02),
conditionColumn = 'decadeid', conditionValues = c(1990,2000,2010),
test = TRUE),
"SELECT *
FROM sample(
ON (SELECT * FROM public.batting_enh )
SampleFraction('0.01', '0.01', '0.02')
ConditionOnColumn('decadeid')
ConditionOn('1990', '2000', '2010'))")
expect_equal_normalized(computeSample(channel=NULL, tableName = 'public.batting_enh',
sampleFraction = 0.01,
conditionColumn = 'decadeid', conditionValues = c(1990,2000,2010),
where="lgid='NL'", test = TRUE),
"SELECT *
FROM sample(
ON (SELECT * FROM public.batting_enh WHERE lgid='NL' )
SampleFraction('0.01')
ConditionOnColumn('decadeid')
ConditionOn('1990', '2000', '2010'))")
expect_equal_normalized(computeSample(channel=NULL, tableName = 'public.batting_enh',
sampleFraction = c(0.01,0.01,0.02),
conditionColumn = 'decadeid', conditionValues = c(1990,2000,2010),
where="lgid='NL'", test = TRUE),
"SELECT *
FROM sample(
ON (SELECT * FROM public.batting_enh WHERE lgid='NL' )
SampleFraction('0.01', '0.01', '0.02')
ConditionOnColumn('decadeid')
ConditionOn('1990', '2000', '2010'))")
expect_equal_normalized(computeSample(channel=NULL, tableName = 'public.batting_enh',
sampleFraction = c(0.01,0.01,0.02),
include=c('decadeid','g','ab','r','h'),
conditionColumn = 'decadeid', conditionValues = c(1990,2000,2010),
where="lgid='NL'", test = TRUE),
"SELECT *
FROM sample(
ON (SELECT decadeid, g, ab, r, h FROM public.batting_enh WHERE lgid='NL' )
SampleFraction('0.01', '0.01', '0.02')
ConditionOnColumn('decadeid')
ConditionOn('1990', '2000', '2010'))")
expect_equal_normalized(computeSample(channel=NULL, tableName = 'public.batting_enh',
sampleSize = 100,
conditionColumn = 'decadeid', conditionValues = c(1990,2000,2010),
test = TRUE),
"SELECT *
FROM sample(
ON (SELECT * FROM public.batting_enh )
AS DATA PARTITION BY ANY
ON (SELECT decadeid as stratum, COUNT(*) as stratum_count FROM public.batting_enh GROUP BY 1)
AS SUMMARY DIMENSION
ApproximateSampleSize('100')
ConditionOnColumn('decadeid')
ConditionOn('1990', '2000', '2010'))")
expect_equal_normalized(computeSample(channel=NULL, tableName = 'public.batting_enh',
sampleSize = c(20,20,30),
conditionColumn = 'decadeid', conditionValues = c(1990,2000,2010),
test = TRUE),
"SELECT *
FROM sample(
ON (SELECT * FROM public.batting_enh )
AS DATA PARTITION BY ANY
ON (SELECT decadeid as stratum, COUNT(*) as stratum_count FROM public.batting_enh GROUP BY 1)
AS SUMMARY DIMENSION
ApproximateSampleSize('20', '20', '30')
ConditionOnColumn('decadeid')
ConditionOn('1990', '2000', '2010'))")
expect_equal_normalized(computeSample(channel=NULL, tableName = 'public.batting_enh',
sampleSize = 100,
conditionColumn = 'decadeid', conditionValues = c(1990,2000,2010),
where="lgid='NL'", test = TRUE),
"SELECT * FROM sample(
ON (SELECT * FROM public.batting_enh WHERE lgid='NL' )
AS DATA PARTITION BY ANY
ON (SELECT decadeid as stratum, COUNT(*) as stratum_count FROM public.batting_enh WHERE lgid='NL' GROUP BY 1)
AS SUMMARY DIMENSION
ApproximateSampleSize('100')
ConditionOnColumn('decadeid')
ConditionOn('1990', '2000', '2010'))")
expect_equal_normalized(computeSample(channel=NULL, tableName = 'public.batting_enh',
sampleSize = c(20,20,30),
conditionColumn = 'decadeid', conditionValues = c(1990,2000,2010),
where="lgid='NL'", test = TRUE),
"SELECT *
FROM sample(
ON (SELECT * FROM public.batting_enh WHERE lgid='NL' )
AS DATA PARTITION BY ANY
ON (SELECT decadeid as stratum, COUNT(*) as stratum_count FROM public.batting_enh WHERE lgid='NL' GROUP BY 1)
AS SUMMARY DIMENSION
ApproximateSampleSize('20', '20', '30')
ConditionOnColumn('decadeid')
ConditionOn('1990', '2000', '2010'))")
expect_equal_normalized(computeSample(channel=NULL, tableName = 'public.batting_enh',
sampleSize = c(20,20,30),
include=c('decadeid','g','ab','r','h'),
conditionColumn = 'decadeid', conditionValues = c(1990,2000,2010),
where="lgid='NL'", test = TRUE),
"SELECT *
FROM sample(
ON (SELECT decadeid, g, ab, r, h FROM public.batting_enh WHERE lgid='NL' )
AS DATA PARTITION BY ANY
ON (SELECT decadeid as stratum, COUNT(*) as stratum_count FROM public.batting_enh WHERE lgid='NL' GROUP BY 1)
AS SUMMARY DIMENSION
ApproximateSampleSize('20', '20', '30')
ConditionOnColumn('decadeid')
ConditionOn('1990', '2000', '2010'))")
})
test_that("computeSample SQL with stratum is correct", {
expect_equal_normalized(computeSample(channel=NULL, tableName = 'public.batting_enh',
sampleFraction = 0.01,
conditionStratum = "yearid % 2",
conditionValues = c('0','1'),
test = TRUE),
"SELECT *
FROM sample(
ON (SELECT * , yearid % 2 as stratum FROM public.batting_enh )
SampleFraction('0.01')
ConditionOnColumn('stratum')
ConditionOn('0', '1'))")
expect_equal_normalized(computeSample(channel=NULL, tableName = 'public.batting_enh',
sampleFraction = c(0.01,0.02),
conditionStratum = "yearid % 2",
conditionValues = c('0','1'),
test = TRUE),
"SELECT *
FROM sample(
ON (SELECT * , yearid % 2 as stratum FROM public.batting_enh )
SampleFraction('0.01', '0.02')
ConditionOnColumn('stratum')
ConditionOn('0', '1'))")
expect_equal_normalized(computeSample(channel=NULL, tableName = 'public.batting_enh',
sampleFraction = c(0.01,0.02),
conditionStratum = "yearid % 2",
conditionValues = c('0','1'),
where = "lgid = 'NL'", test = TRUE),
"SELECT *
FROM sample(
ON (SELECT * , yearid % 2 as stratum FROM public.batting_enh WHERE lgid = 'NL' )
SampleFraction('0.01', '0.02')
ConditionOnColumn('stratum')
ConditionOn('0', '1'))")
expect_equal_normalized(computeSample(channel=NULL, tableName = 'public.batting_enh',
sampleFraction = c(0.01,0.02),
include = c('decadeid','g','ab','r','h'),
conditionStratum = "yearid % 2",
conditionValues = c('0','1'),
where = "lgid = 'NL'", test = TRUE),
"SELECT *
FROM sample(
ON (SELECT decadeid, g, ab, r, h, yearid % 2 as stratum FROM public.batting_enh WHERE lgid = 'NL' )
SampleFraction('0.01', '0.02')
ConditionOnColumn('stratum')
ConditionOn('0', '1'))")
expect_equal_normalized(computeSample(channel=NULL, tableName = 'public.batting_enh',
sampleSize = 1000,
conditionStratum = "yearid % 2",
conditionValues = c('0','1'),
test = TRUE),
"SELECT *
FROM sample(
ON (SELECT * , yearid % 2 as stratum FROM public.batting_enh )
AS DATA PARTITION BY ANY
ON (SELECT yearid % 2 as stratum, COUNT(*) as stratum_count FROM public.batting_enh GROUP BY 1)
AS SUMMARY DIMENSION
ApproximateSampleSize('1000')
ConditionOnColumn('stratum')
ConditionOn('0', '1'))")
expect_equal_normalized(computeSample(channel=NULL, tableName = 'public.batting_enh',
sampleSize = c(200, 200),
conditionStratum = "yearid % 2",
conditionValues = c('0','1'),
test = TRUE),
"SELECT *
FROM sample(
ON (SELECT * , yearid % 2 as stratum FROM public.batting_enh )
AS DATA PARTITION BY ANY
ON (SELECT yearid % 2 as stratum, COUNT(*) as stratum_count FROM public.batting_enh GROUP BY 1)
AS SUMMARY DIMENSION
ApproximateSampleSize('200', '200')
ConditionOnColumn('stratum')
ConditionOn('0', '1'))")
expect_equal_normalized(computeSample(channel=NULL, tableName = 'public.batting_enh',
sampleSize = c(200, 200),
conditionStratum = "yearid % 2",
conditionValues = c('0','1'),
where="lgid = 'NL'", test = TRUE),
"SELECT *
FROM sample(
ON (SELECT * , yearid % 2 as stratum FROM public.batting_enh WHERE lgid = 'NL' )
AS DATA PARTITION BY ANY
ON (SELECT yearid % 2 as stratum, COUNT(*) as stratum_count
FROM public.batting_enh
WHERE lgid = 'NL' GROUP BY 1)
AS SUMMARY DIMENSION
ApproximateSampleSize('200', '200')
ConditionOnColumn('stratum')
ConditionOn('0', '1'))")
expect_equal_normalized(computeSample(channel=NULL, tableName = 'public.batting_enh',
sampleSize = c(200, 200),
include = c('decadeid','g','ab','r','h'),
conditionStratum = "yearid % 2",
conditionValues = c('0','1'),
where="lgid = 'NL'", test = TRUE),
"SELECT *
FROM sample(
ON (SELECT decadeid, g, ab, r, h, yearid % 2 as stratum FROM public.batting_enh WHERE lgid = 'NL' )
AS DATA PARTITION BY ANY
ON (SELECT yearid % 2 as stratum, COUNT(*) as stratum_count
FROM public.batting_enh
WHERE lgid = 'NL' GROUP BY 1)
AS SUMMARY DIMENSION
ApproximateSampleSize('200', '200')
ConditionOnColumn('stratum')
ConditionOn('0', '1'))")
expect_equal_normalized(computeSample(channel=NULL, tableName = 'public.batting_enh',
sampleFraction = c(0.02, 0.04),
conditionStratum = "CASE yearid % 2 WHEN 0 THEN 'even'
WHEN 1 THEN 'odd'
END",
conditionValues = c('even','odd'),
test = TRUE),
"SELECT *
FROM sample(
ON (SELECT * , CASE yearid % 2 WHEN 0 THEN 'even'
WHEN 1 THEN 'odd'
END as stratum FROM public.batting_enh )
SampleFraction('0.02', '0.04')
ConditionOnColumn('stratum')
ConditionOn('even', 'odd'))")
expect_equal_normalized(computeSample(channel=NULL, tableName = 'public.batting_enh',
sampleSize = c(200, 200),
conditionStratum = "CASE yearid % 2 WHEN 0 THEN 'even'
WHEN 1 THEN 'odd'
END",
conditionValues = c('even','odd'),
test = TRUE),
"SELECT *
FROM sample(
ON (SELECT * , CASE yearid % 2 WHEN 0 THEN 'even'
WHEN 1 THEN 'odd'
END as stratum FROM public.batting_enh )
AS DATA PARTITION BY ANY
ON (SELECT CASE yearid % 2 WHEN 0 THEN 'even'
WHEN 1 THEN 'odd'
END as stratum, COUNT(*) as stratum_count FROM public.batting_enh GROUP BY 1)
AS SUMMARY DIMENSION
ApproximateSampleSize('200', '200')
ConditionOnColumn('stratum')
ConditionOn('even', 'odd'))")
})
teradata-aster-field/toaster documentation built on May 31, 2019, 8:36 a.m.
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context("computeSample")
test_that("computeSample throws errors", {
expect_error(computeSample(channel=NULL),
"Table name must be specified.")
expect_error(computeSample(channel=NULL, tableName="faketable"),
"Sample fraction or sample size must be specified.")
expect_error(computeSample(channel=NULL, tableName="faketable", sampleFraction=0.1,
except = c("some", "columns", "defined", "without", "include"),
test=FALSE),
"Can't test without include but with except.")
expect_error(computeSample(channel=NULL, tableName="faketable", sampleFraction=1.000001,
test=FALSE),
"sampleFraction <= 1 is not TRUE")
expect_error(computeSample(channel=NULL, tableName="faketable", sampleFraction=c(1.000001,0.01),
test=FALSE),
"sampleFraction <= 1 are not all TRUE")
expect_error(computeSample(channel=NULL, tableName="faketable", sampleFraction=-0.000001,
test=FALSE),
"sampleFraction >= 0 is not TRUE")
expect_error(computeSample(channel=NULL, tableName="faketable", sampleFraction=c(1, 0, -0.000001),
test=FALSE),
"sampleFraction >= 0 are not all TRUE")
expect_error(computeSample(channel=NULL, tableName='faketable', sampleSize = 1000,
conditionColumn = 'conditioncol', conditionStratum='CASE WHEN THEN ELSE END'),
"Both condition column and strata can't be defined. Use either one or another.")
expect_error(computeSample(channel=NULL, tableName="faketable", sampleFraction=0.1,
conditionColumn ='fake column', test=FALSE),
"Both condition column and condition values must be either present or NULLs.")
expect_error(computeSample(channel=NULL, tableName="faketable", sampleFraction=0.1,
conditionValues =c('fake', 'values'), test=FALSE),
"Both condition column and condition values must be either present or NULLs.")
expect_error(computeSample(channel=NULL, tableName="faketable", sampleFraction=c(0.1,0.2,0.4),
conditionColumn = 'condition', conditionValues =c('fake', 'values'),
test=FALSE),
"Number of fractions must match the number of condition values.")
expect_error(computeSample(channel=NULL, tableName="faketable", sampleSize=c(1,2,4),
conditionColumn = 'condition', conditionValues =c('fake', 'values'),
test=FALSE),
"Number of sample sizes must match the number of condition values.")
expect_error(computeSample(channel=NULL, tableName="faketable", sampleSize=c(1,3),
test=FALSE),
"Number of sample sizes must match the number of condition values.")
expect_error(computeSample(channel=NULL, tableName="faketable", sampleFraction=c(0.1,0.3),
test=FALSE),
"Number of fractions must match the number of condition values.")
expect_error(computeSample(channel=NULL, tableName="faketable", sampleFraction=0.000001),
"Connection is not valid RODBC object.")
})
test_that("computeSample SQL is correct", {
expect_equal_normalized(computeSample(channel=NULL, tableName='public.batting_enh',
sampleFraction=0.01, test=TRUE),
"SELECT * FROM sample(
ON (SELECT * FROM public.batting_enh )
SampleFraction('0.01'))")
expect_equal_normalized(computeSample(channel=NULL, tableName='public.batting_enh',
sampleFraction=0.01, sampleSize=100, test=TRUE),
"SELECT * FROM sample(
ON (SELECT * FROM public.batting_enh )
SampleFraction('0.01'))")
expect_equal_normalized(computeSample(channel=NULL, tableName='public.batting_enh',
sampleFraction=0.01, where="lgid='AL'", test=TRUE),
"SELECT * FROM sample(
ON (SELECT * FROM public.batting_enh WHERE lgid='AL' )
SampleFraction('0.01'))")
expect_equal_normalized(computeSample(channel=NULL, tableName='public.batting_enh',
sampleFraction=0.01, include=c('decadeid','g','ab','r','h'),
where="lgid='AL'", test=TRUE),
"SELECT * FROM sample(
ON (SELECT decadeid, g, ab, r, h FROM public.batting_enh WHERE lgid='AL' )
SampleFraction('0.01'))")
expect_equal_normalized(computeSample(channel=NULL, tableName='public.batting_enh',
sampleSize=1000, test=TRUE),
"SELECT *
FROM sample(
ON (SELECT * FROM public.batting_enh )
AS DATA PARTITION BY ANY
ON (SELECT COUNT(*) as stratum_count FROM public.batting_enh )
AS SUMMARY DIMENSION
ApproximateSampleSize('1000'))")
expect_equal_normalized(computeSample(channel=NULL, tableName='public.batting_enh',
sampleSize=1000, where="lgid='NL'", test=TRUE),
"SELECT *
FROM sample(
ON (SELECT * FROM public.batting_enh WHERE lgid='NL' )
AS DATA PARTITION BY ANY
ON (SELECT COUNT(*) as stratum_count FROM public.batting_enh WHERE lgid='NL' )
AS SUMMARY DIMENSION
ApproximateSampleSize('1000'))")
expect_equal_normalized(computeSample(channel=NULL, tableName='public.batting_enh',
sampleSize=1000, include=c('decadeid','g','ab','r','h'),
where="lgid='NL'", test=TRUE),
"SELECT *
FROM sample(
ON (SELECT decadeid, g, ab, r, h FROM public.batting_enh WHERE lgid='NL' )
AS DATA PARTITION BY ANY
ON (SELECT COUNT(*) as stratum_count FROM public.batting_enh WHERE lgid='NL' )
AS SUMMARY DIMENSION
ApproximateSampleSize('1000'))")
})
test_that("computeSample SQL with condition is correct", {
expect_equal_normalized(computeSample(channel=NULL, tableName = 'public.batting_enh',
sampleFraction = 0.01,
conditionColumn = 'decadeid', conditionValues = c(1990,2000,2010),
test = TRUE),
"SELECT *
FROM sample(
ON (SELECT * FROM public.batting_enh )
SampleFraction('0.01')
ConditionOnColumn('decadeid')
ConditionOn('1990', '2000', '2010'))")
expect_equal_normalized(computeSample(channel=NULL, tableName = 'public.batting_enh',
sampleFraction = c(0.01,0.01,0.02),
conditionColumn = 'decadeid', conditionValues = c(1990,2000,2010),
test = TRUE),
"SELECT *
FROM sample(
ON (SELECT * FROM public.batting_enh )
SampleFraction('0.01', '0.01', '0.02')
ConditionOnColumn('decadeid')
ConditionOn('1990', '2000', '2010'))")
expect_equal_normalized(computeSample(channel=NULL, tableName = 'public.batting_enh',
sampleFraction = 0.01,
conditionColumn = 'decadeid', conditionValues = c(1990,2000,2010),
where="lgid='NL'", test = TRUE),
"SELECT *
FROM sample(
ON (SELECT * FROM public.batting_enh WHERE lgid='NL' )
SampleFraction('0.01')
ConditionOnColumn('decadeid')
ConditionOn('1990', '2000', '2010'))")
expect_equal_normalized(computeSample(channel=NULL, tableName = 'public.batting_enh',
sampleFraction = c(0.01,0.01,0.02),
conditionColumn = 'decadeid', conditionValues = c(1990,2000,2010),
where="lgid='NL'", test = TRUE),
"SELECT *
FROM sample(
ON (SELECT * FROM public.batting_enh WHERE lgid='NL' )
SampleFraction('0.01', '0.01', '0.02')
ConditionOnColumn('decadeid')
ConditionOn('1990', '2000', '2010'))")
expect_equal_normalized(computeSample(channel=NULL, tableName = 'public.batting_enh',
sampleFraction = c(0.01,0.01,0.02),
include=c('decadeid','g','ab','r','h'),
conditionColumn = 'decadeid', conditionValues = c(1990,2000,2010),
where="lgid='NL'", test = TRUE),
"SELECT *
FROM sample(
ON (SELECT decadeid, g, ab, r, h FROM public.batting_enh WHERE lgid='NL' )
SampleFraction('0.01', '0.01', '0.02')
ConditionOnColumn('decadeid')
ConditionOn('1990', '2000', '2010'))")
expect_equal_normalized(computeSample(channel=NULL, tableName = 'public.batting_enh',
sampleSize = 100,
conditionColumn = 'decadeid', conditionValues = c(1990,2000,2010),
test = TRUE),
"SELECT *
FROM sample(
ON (SELECT * FROM public.batting_enh )
AS DATA PARTITION BY ANY
ON (SELECT decadeid as stratum, COUNT(*) as stratum_count FROM public.batting_enh GROUP BY 1)
AS SUMMARY DIMENSION
ApproximateSampleSize('100')
ConditionOnColumn('decadeid')
ConditionOn('1990', '2000', '2010'))")
expect_equal_normalized(computeSample(channel=NULL, tableName = 'public.batting_enh',
sampleSize = c(20,20,30),
conditionColumn = 'decadeid', conditionValues = c(1990,2000,2010),
test = TRUE),
"SELECT *
FROM sample(
ON (SELECT * FROM public.batting_enh )
AS DATA PARTITION BY ANY
ON (SELECT decadeid as stratum, COUNT(*) as stratum_count FROM public.batting_enh GROUP BY 1)
AS SUMMARY DIMENSION
ApproximateSampleSize('20', '20', '30')
ConditionOnColumn('decadeid')
ConditionOn('1990', '2000', '2010'))")
expect_equal_normalized(computeSample(channel=NULL, tableName = 'public.batting_enh',
sampleSize = 100,
conditionColumn = 'decadeid', conditionValues = c(1990,2000,2010),
where="lgid='NL'", test = TRUE),
"SELECT * FROM sample(
ON (SELECT * FROM public.batting_enh WHERE lgid='NL' )
AS DATA PARTITION BY ANY
ON (SELECT decadeid as stratum, COUNT(*) as stratum_count FROM public.batting_enh WHERE lgid='NL' GROUP BY 1)
AS SUMMARY DIMENSION
ApproximateSampleSize('100')
ConditionOnColumn('decadeid')
ConditionOn('1990', '2000', '2010'))")
expect_equal_normalized(computeSample(channel=NULL, tableName = 'public.batting_enh',
sampleSize = c(20,20,30),
conditionColumn = 'decadeid', conditionValues = c(1990,2000,2010),
where="lgid='NL'", test = TRUE),
"SELECT *
FROM sample(
ON (SELECT * FROM public.batting_enh WHERE lgid='NL' )
AS DATA PARTITION BY ANY
ON (SELECT decadeid as stratum, COUNT(*) as stratum_count FROM public.batting_enh WHERE lgid='NL' GROUP BY 1)
AS SUMMARY DIMENSION
ApproximateSampleSize('20', '20', '30')
ConditionOnColumn('decadeid')
ConditionOn('1990', '2000', '2010'))")
expect_equal_normalized(computeSample(channel=NULL, tableName = 'public.batting_enh',
sampleSize = c(20,20,30),
include=c('decadeid','g','ab','r','h'),
conditionColumn = 'decadeid', conditionValues = c(1990,2000,2010),
where="lgid='NL'", test = TRUE),
"SELECT *
FROM sample(
ON (SELECT decadeid, g, ab, r, h FROM public.batting_enh WHERE lgid='NL' )
AS DATA PARTITION BY ANY
ON (SELECT decadeid as stratum, COUNT(*) as stratum_count FROM public.batting_enh WHERE lgid='NL' GROUP BY 1)
AS SUMMARY DIMENSION
ApproximateSampleSize('20', '20', '30')
ConditionOnColumn('decadeid')
ConditionOn('1990', '2000', '2010'))")
})
test_that("computeSample SQL with stratum is correct", {
expect_equal_normalized(computeSample(channel=NULL, tableName = 'public.batting_enh',
sampleFraction = 0.01,
conditionStratum = "yearid % 2",
conditionValues = c('0','1'),
test = TRUE),
"SELECT *
FROM sample(
ON (SELECT * , yearid % 2 as stratum FROM public.batting_enh )
SampleFraction('0.01')
ConditionOnColumn('stratum')
ConditionOn('0', '1'))")
expect_equal_normalized(computeSample(channel=NULL, tableName = 'public.batting_enh',
sampleFraction = c(0.01,0.02),
conditionStratum = "yearid % 2",
conditionValues = c('0','1'),
test = TRUE),
"SELECT *
FROM sample(
ON (SELECT * , yearid % 2 as stratum FROM public.batting_enh )
SampleFraction('0.01', '0.02')
ConditionOnColumn('stratum')
ConditionOn('0', '1'))")
expect_equal_normalized(computeSample(channel=NULL, tableName = 'public.batting_enh',
sampleFraction = c(0.01,0.02),
conditionStratum = "yearid % 2",
conditionValues = c('0','1'),
where = "lgid = 'NL'", test = TRUE),
"SELECT *
FROM sample(
ON (SELECT * , yearid % 2 as stratum FROM public.batting_enh WHERE lgid = 'NL' )
SampleFraction('0.01', '0.02')
ConditionOnColumn('stratum')
ConditionOn('0', '1'))")
expect_equal_normalized(computeSample(channel=NULL, tableName = 'public.batting_enh',
sampleFraction = c(0.01,0.02),
include = c('decadeid','g','ab','r','h'),
conditionStratum = "yearid % 2",
conditionValues = c('0','1'),
where = "lgid = 'NL'", test = TRUE),
"SELECT *
FROM sample(
ON (SELECT decadeid, g, ab, r, h, yearid % 2 as stratum FROM public.batting_enh WHERE lgid = 'NL' )
SampleFraction('0.01', '0.02')
ConditionOnColumn('stratum')
ConditionOn('0', '1'))")
expect_equal_normalized(computeSample(channel=NULL, tableName = 'public.batting_enh',
sampleSize = 1000,
conditionStratum = "yearid % 2",
conditionValues = c('0','1'),
test = TRUE),
"SELECT *
FROM sample(
ON (SELECT * , yearid % 2 as stratum FROM public.batting_enh )
AS DATA PARTITION BY ANY
ON (SELECT yearid % 2 as stratum, COUNT(*) as stratum_count FROM public.batting_enh GROUP BY 1)
AS SUMMARY DIMENSION
ApproximateSampleSize('1000')
ConditionOnColumn('stratum')
ConditionOn('0', '1'))")
expect_equal_normalized(computeSample(channel=NULL, tableName = 'public.batting_enh',
sampleSize = c(200, 200),
conditionStratum = "yearid % 2",
conditionValues = c('0','1'),
test = TRUE),
"SELECT *
FROM sample(
ON (SELECT * , yearid % 2 as stratum FROM public.batting_enh )
AS DATA PARTITION BY ANY
ON (SELECT yearid % 2 as stratum, COUNT(*) as stratum_count FROM public.batting_enh GROUP BY 1)
AS SUMMARY DIMENSION
ApproximateSampleSize('200', '200')
ConditionOnColumn('stratum')
ConditionOn('0', '1'))")
expect_equal_normalized(computeSample(channel=NULL, tableName = 'public.batting_enh',
sampleSize = c(200, 200),
conditionStratum = "yearid % 2",
conditionValues = c('0','1'),
where="lgid = 'NL'", test = TRUE),
"SELECT *
FROM sample(
ON (SELECT * , yearid % 2 as stratum FROM public.batting_enh WHERE lgid = 'NL' )
AS DATA PARTITION BY ANY
ON (SELECT yearid % 2 as stratum, COUNT(*) as stratum_count
FROM public.batting_enh
WHERE lgid = 'NL' GROUP BY 1)
AS SUMMARY DIMENSION
ApproximateSampleSize('200', '200')
ConditionOnColumn('stratum')
ConditionOn('0', '1'))")
expect_equal_normalized(computeSample(channel=NULL, tableName = 'public.batting_enh',
sampleSize = c(200, 200),
include = c('decadeid','g','ab','r','h'),
conditionStratum = "yearid % 2",
conditionValues = c('0','1'),
where="lgid = 'NL'", test = TRUE),
"SELECT *
FROM sample(
ON (SELECT decadeid, g, ab, r, h, yearid % 2 as stratum FROM public.batting_enh WHERE lgid = 'NL' )
AS DATA PARTITION BY ANY
ON (SELECT yearid % 2 as stratum, COUNT(*) as stratum_count
FROM public.batting_enh
WHERE lgid = 'NL' GROUP BY 1)
AS SUMMARY DIMENSION
ApproximateSampleSize('200', '200')
ConditionOnColumn('stratum')
ConditionOn('0', '1'))")
expect_equal_normalized(computeSample(channel=NULL, tableName = 'public.batting_enh',
sampleFraction = c(0.02, 0.04),
conditionStratum = "CASE yearid % 2 WHEN 0 THEN 'even'
WHEN 1 THEN 'odd'
END",
conditionValues = c('even','odd'),
test = TRUE),
"SELECT *
FROM sample(
ON (SELECT * , CASE yearid % 2 WHEN 0 THEN 'even'
WHEN 1 THEN 'odd'
END as stratum FROM public.batting_enh )
SampleFraction('0.02', '0.04')
ConditionOnColumn('stratum')
ConditionOn('even', 'odd'))")
expect_equal_normalized(computeSample(channel=NULL, tableName = 'public.batting_enh',
sampleSize = c(200, 200),
conditionStratum = "CASE yearid % 2 WHEN 0 THEN 'even'
WHEN 1 THEN 'odd'
END",
conditionValues = c('even','odd'),
test = TRUE),
"SELECT *
FROM sample(
ON (SELECT * , CASE yearid % 2 WHEN 0 THEN 'even'
WHEN 1 THEN 'odd'
END as stratum FROM public.batting_enh )
AS DATA PARTITION BY ANY
ON (SELECT CASE yearid % 2 WHEN 0 THEN 'even'
WHEN 1 THEN 'odd'
END as stratum, COUNT(*) as stratum_count FROM public.batting_enh GROUP BY 1)
AS SUMMARY DIMENSION
ApproximateSampleSize('200', '200')
ConditionOnColumn('stratum')
ConditionOn('even', 'odd'))")
})
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