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[SPARK-30863][SQL] Distinguish Cast and AnsiCast in toString #27608

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[SPARK-30863][SQL] Distinguish Cast and AnsiCast in toString #27608

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92a899f
ansicast
Ngone51 Feb 17, 2020
e550b87
address comment
Ngone51 Feb 17, 2020
4896fb5
fix pgsql udf
Ngone51 Feb 18, 2020
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5 changes: 4 additions & 1 deletion sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/Cast.scala
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Expand Up @@ -251,7 +251,10 @@ abstract class CastBase extends UnaryExpression with TimeZoneAwareExpression wit

def dataType: DataType

override def toString: String = s"cast($child as ${dataType.simpleString})"
override def toString: String = {
val ansi = if (ansiEnabled) "ansi_" else ""
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@gengliangwang gengliangwang Feb 18, 2020

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I think it should be "ansiCast" or "ANSICast" instead of "ansi_cast"

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@cloud-fan cloud-fan Feb 18, 2020 •
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This follows the existing SQL function naming convention, e.g. FromUTCTimestamp.prettyName is from_utc_timestamp

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@gengliangwang gengliangwang Feb 18, 2020

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But the string of newInstance is newInstance($cls) ..

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@cloud-fan cloud-fan Feb 18, 2020

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NewInstance is not really a SQL function/operator...

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@gengliangwang gengliangwang Feb 18, 2020

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I see. It is the first expression the overrides toString with 2 words in IDE...haha

s"${ansi}cast($child as ${dataType.simpleString})"
}

override def checkInputDataTypes(): TypeCheckResult = {
if (Cast.canCast(child.dataType, dataType)) {
Expand Down
62 changes: 31 additions & 31 deletions sql/core/src/test/resources/sql-tests/results/udf/postgreSQL/udf-aggregates_part1.sql.out
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Expand Up @@ -77,159 +77,159 @@ struct<max_324_78:float>
-- !query
SELECT stddev_pop(udf(b)) FROM aggtest
-- !query schema
struct<stddev_pop(CAST(CAST(udf(cast(b as string)) AS FLOAT) AS DOUBLE)):double>
struct<stddev_pop(CAST(CAST(udf(ansi_cast(b as string)) AS FLOAT) AS DOUBLE)):double>
-- !query output
131.10703231895047


-- !query
SELECT udf(stddev_samp(b)) FROM aggtest
-- !query schema
struct<CAST(udf(cast(stddev_samp(cast(b as double)) as string)) AS DOUBLE):double>
struct<CAST(udf(ansi_cast(stddev_samp(ansi_cast(b as double)) as string)) AS DOUBLE):double>
-- !query output
151.38936080399804


-- !query
SELECT var_pop(udf(b)) FROM aggtest
-- !query schema
struct<var_pop(CAST(CAST(udf(cast(b as string)) AS FLOAT) AS DOUBLE)):double>
struct<var_pop(CAST(CAST(udf(ansi_cast(b as string)) AS FLOAT) AS DOUBLE)):double>
-- !query output
17189.053923482323


-- !query
SELECT udf(var_samp(b)) FROM aggtest
-- !query schema
struct<CAST(udf(cast(var_samp(cast(b as double)) as string)) AS DOUBLE):double>
struct<CAST(udf(ansi_cast(var_samp(ansi_cast(b as double)) as string)) AS DOUBLE):double>
-- !query output
22918.738564643096


-- !query
SELECT udf(stddev_pop(CAST(b AS Decimal(38,0)))) FROM aggtest
-- !query schema
struct<CAST(udf(cast(stddev_pop(cast(cast(b as decimal(38,0)) as double)) as string)) AS DOUBLE):double>
struct<CAST(udf(ansi_cast(stddev_pop(ansi_cast(ansi_cast(b as decimal(38,0)) as double)) as string)) AS DOUBLE):double>
-- !query output
131.18117242958306


-- !query
SELECT stddev_samp(CAST(udf(b) AS Decimal(38,0))) FROM aggtest
-- !query schema
struct<stddev_samp(CAST(CAST(CAST(udf(cast(b as string)) AS FLOAT) AS DECIMAL(38,0)) AS DOUBLE)):double>
struct<stddev_samp(CAST(CAST(CAST(udf(ansi_cast(b as string)) AS FLOAT) AS DECIMAL(38,0)) AS DOUBLE)):double>
-- !query output
151.47497042966097


-- !query
SELECT udf(var_pop(CAST(b AS Decimal(38,0)))) FROM aggtest
-- !query schema
struct<CAST(udf(cast(var_pop(cast(cast(b as decimal(38,0)) as double)) as string)) AS DOUBLE):double>
struct<CAST(udf(ansi_cast(var_pop(ansi_cast(ansi_cast(b as decimal(38,0)) as double)) as string)) AS DOUBLE):double>
-- !query output
17208.5


-- !query
SELECT var_samp(udf(CAST(b AS Decimal(38,0)))) FROM aggtest
-- !query schema
struct<var_samp(CAST(CAST(udf(cast(cast(b as decimal(38,0)) as string)) AS DECIMAL(38,0)) AS DOUBLE)):double>
struct<var_samp(CAST(CAST(udf(ansi_cast(ansi_cast(b as decimal(38,0)) as string)) AS DECIMAL(38,0)) AS DOUBLE)):double>
-- !query output
22944.666666666668


-- !query
SELECT udf(var_pop(1.0)), var_samp(udf(2.0))
-- !query schema
struct<CAST(udf(cast(var_pop(cast(1.0 as double)) as string)) AS DOUBLE):double,var_samp(CAST(CAST(udf(cast(2.0 as string)) AS DECIMAL(2,1)) AS DOUBLE)):double>
struct<CAST(udf(ansi_cast(var_pop(ansi_cast(1.0 as double)) as string)) AS DOUBLE):double,var_samp(CAST(CAST(udf(ansi_cast(2.0 as string)) AS DECIMAL(2,1)) AS DOUBLE)):double>
-- !query output
0.0 NaN


-- !query
SELECT stddev_pop(udf(CAST(3.0 AS Decimal(38,0)))), stddev_samp(CAST(udf(4.0) AS Decimal(38,0)))
-- !query schema
struct<stddev_pop(CAST(CAST(udf(cast(cast(3.0 as decimal(38,0)) as string)) AS DECIMAL(38,0)) AS DOUBLE)):double,stddev_samp(CAST(CAST(CAST(udf(cast(4.0 as string)) AS DECIMAL(2,1)) AS DECIMAL(38,0)) AS DOUBLE)):double>
struct<stddev_pop(CAST(CAST(udf(ansi_cast(ansi_cast(3.0 as decimal(38,0)) as string)) AS DECIMAL(38,0)) AS DOUBLE)):double,stddev_samp(CAST(CAST(CAST(udf(ansi_cast(4.0 as string)) AS DECIMAL(2,1)) AS DECIMAL(38,0)) AS DOUBLE)):double>
-- !query output
0.0 NaN


-- !query
select sum(udf(CAST(null AS int))) from range(1,4)
-- !query schema
struct<sum(CAST(udf(cast(cast(null as int) as string)) AS INT)):bigint>
struct<sum(CAST(udf(ansi_cast(ansi_cast(null as int) as string)) AS INT)):bigint>
-- !query output
NULL


-- !query
select sum(udf(CAST(null AS long))) from range(1,4)
-- !query schema
struct<sum(CAST(udf(cast(cast(null as bigint) as string)) AS BIGINT)):bigint>
struct<sum(CAST(udf(ansi_cast(ansi_cast(null as bigint) as string)) AS BIGINT)):bigint>
-- !query output
NULL


-- !query
select sum(udf(CAST(null AS Decimal(38,0)))) from range(1,4)
-- !query schema
struct<sum(CAST(udf(cast(cast(null as decimal(38,0)) as string)) AS DECIMAL(38,0))):decimal(38,0)>
struct<sum(CAST(udf(ansi_cast(ansi_cast(null as decimal(38,0)) as string)) AS DECIMAL(38,0))):decimal(38,0)>
-- !query output
NULL


-- !query
select sum(udf(CAST(null AS DOUBLE))) from range(1,4)
-- !query schema
struct<sum(CAST(udf(cast(cast(null as double) as string)) AS DOUBLE)):double>
struct<sum(CAST(udf(ansi_cast(ansi_cast(null as double) as string)) AS DOUBLE)):double>
-- !query output
NULL


-- !query
select avg(udf(CAST(null AS int))) from range(1,4)
-- !query schema
struct<avg(CAST(udf(cast(cast(null as int) as string)) AS INT)):double>
struct<avg(CAST(udf(ansi_cast(ansi_cast(null as int) as string)) AS INT)):double>
-- !query output
NULL


-- !query
select avg(udf(CAST(null AS long))) from range(1,4)
-- !query schema
struct<avg(CAST(udf(cast(cast(null as bigint) as string)) AS BIGINT)):double>
struct<avg(CAST(udf(ansi_cast(ansi_cast(null as bigint) as string)) AS BIGINT)):double>
-- !query output
NULL


-- !query
select avg(udf(CAST(null AS Decimal(38,0)))) from range(1,4)
-- !query schema
struct<avg(CAST(udf(cast(cast(null as decimal(38,0)) as string)) AS DECIMAL(38,0))):decimal(38,4)>
struct<avg(CAST(udf(ansi_cast(ansi_cast(null as decimal(38,0)) as string)) AS DECIMAL(38,0))):decimal(38,4)>
-- !query output
NULL


-- !query
select avg(udf(CAST(null AS DOUBLE))) from range(1,4)
-- !query schema
struct<avg(CAST(udf(cast(cast(null as double) as string)) AS DOUBLE)):double>
struct<avg(CAST(udf(ansi_cast(ansi_cast(null as double) as string)) AS DOUBLE)):double>
-- !query output
NULL


-- !query
select sum(CAST(udf('NaN') AS DOUBLE)) from range(1,4)
-- !query schema
struct<sum(CAST(CAST(udf(cast(NaN as string)) AS STRING) AS DOUBLE)):double>
struct<sum(CAST(CAST(udf(ansi_cast(NaN as string)) AS STRING) AS DOUBLE)):double>
-- !query output
NaN


-- !query
select avg(CAST(udf('NaN') AS DOUBLE)) from range(1,4)
-- !query schema
struct<avg(CAST(CAST(udf(cast(NaN as string)) AS STRING) AS DOUBLE)):double>
struct<avg(CAST(CAST(udf(ansi_cast(NaN as string)) AS STRING) AS DOUBLE)):double>
-- !query output
NaN

Expand All @@ -238,7 +238,7 @@ NaN
SELECT avg(CAST(udf(x) AS DOUBLE)), var_pop(CAST(udf(x) AS DOUBLE))
FROM (VALUES ('Infinity'), ('1')) v(x)
-- !query schema
struct<avg(CAST(CAST(udf(cast(x as string)) AS STRING) AS DOUBLE)):double,var_pop(CAST(CAST(udf(cast(x as string)) AS STRING) AS DOUBLE)):double>
struct<avg(CAST(CAST(udf(ansi_cast(x as string)) AS STRING) AS DOUBLE)):double,var_pop(CAST(CAST(udf(ansi_cast(x as string)) AS STRING) AS DOUBLE)):double>
-- !query output
Infinity NaN

Expand All @@ -247,7 +247,7 @@ Infinity NaN
SELECT avg(CAST(udf(x) AS DOUBLE)), var_pop(CAST(udf(x) AS DOUBLE))
FROM (VALUES ('Infinity'), ('Infinity')) v(x)
-- !query schema
struct<avg(CAST(CAST(udf(cast(x as string)) AS STRING) AS DOUBLE)):double,var_pop(CAST(CAST(udf(cast(x as string)) AS STRING) AS DOUBLE)):double>
struct<avg(CAST(CAST(udf(ansi_cast(x as string)) AS STRING) AS DOUBLE)):double,var_pop(CAST(CAST(udf(ansi_cast(x as string)) AS STRING) AS DOUBLE)):double>
-- !query output
Infinity NaN

Expand All @@ -256,7 +256,7 @@ Infinity NaN
SELECT avg(CAST(udf(x) AS DOUBLE)), var_pop(CAST(udf(x) AS DOUBLE))
FROM (VALUES ('-Infinity'), ('Infinity')) v(x)
-- !query schema
struct<avg(CAST(CAST(udf(cast(x as string)) AS STRING) AS DOUBLE)):double,var_pop(CAST(CAST(udf(cast(x as string)) AS STRING) AS DOUBLE)):double>
struct<avg(CAST(CAST(udf(ansi_cast(x as string)) AS STRING) AS DOUBLE)):double,var_pop(CAST(CAST(udf(ansi_cast(x as string)) AS STRING) AS DOUBLE)):double>
-- !query output
NaN NaN

Expand All @@ -265,7 +265,7 @@ NaN NaN
SELECT avg(udf(CAST(x AS DOUBLE))), udf(var_pop(CAST(x AS DOUBLE)))
FROM (VALUES (100000003), (100000004), (100000006), (100000007)) v(x)
-- !query schema
struct<avg(CAST(udf(cast(cast(x as double) as string)) AS DOUBLE)):double,CAST(udf(cast(var_pop(cast(x as double)) as string)) AS DOUBLE):double>
struct<avg(CAST(udf(ansi_cast(ansi_cast(x as double) as string)) AS DOUBLE)):double,CAST(udf(ansi_cast(var_pop(ansi_cast(x as double)) as string)) AS DOUBLE):double>
-- !query output
1.00000005E8 2.5

Expand All @@ -274,23 +274,23 @@ struct<avg(CAST(udf(cast(cast(x as double) as string)) AS DOUBLE)):double,CAST(u
SELECT avg(udf(CAST(x AS DOUBLE))), udf(var_pop(CAST(x AS DOUBLE)))
FROM (VALUES (7000000000005), (7000000000007)) v(x)
-- !query schema
struct<avg(CAST(udf(cast(cast(x as double) as string)) AS DOUBLE)):double,CAST(udf(cast(var_pop(cast(x as double)) as string)) AS DOUBLE):double>
struct<avg(CAST(udf(ansi_cast(ansi_cast(x as double) as string)) AS DOUBLE)):double,CAST(udf(ansi_cast(var_pop(ansi_cast(x as double)) as string)) AS DOUBLE):double>
-- !query output
7.000000000006E12 1.0


-- !query
SELECT udf(covar_pop(b, udf(a))), covar_samp(udf(b), a) FROM aggtest
-- !query schema
struct<CAST(udf(cast(covar_pop(cast(b as double), cast(cast(udf(cast(a as string)) as int) as double)) as string)) AS DOUBLE):double,covar_samp(CAST(CAST(udf(cast(b as string)) AS FLOAT) AS DOUBLE), CAST(a AS DOUBLE)):double>
struct<CAST(udf(ansi_cast(covar_pop(ansi_cast(b as double), ansi_cast(ansi_cast(udf(ansi_cast(a as string)) as int) as double)) as string)) AS DOUBLE):double,covar_samp(CAST(CAST(udf(ansi_cast(b as string)) AS FLOAT) AS DOUBLE), CAST(a AS DOUBLE)):double>
-- !query output
653.6289553875104 871.5052738500139


-- !query
SELECT corr(b, udf(a)) FROM aggtest
-- !query schema
struct<corr(CAST(b AS DOUBLE), CAST(CAST(udf(cast(a as string)) AS INT) AS DOUBLE)):double>
struct<corr(CAST(b AS DOUBLE), CAST(CAST(udf(ansi_cast(a as string)) AS INT) AS DOUBLE)):double>
-- !query output
0.1396345165178734

Expand All @@ -315,7 +315,7 @@ struct<cnt_4:bigint>
select ten, udf(count(*)), sum(udf(four)) from onek
group by ten order by ten
-- !query schema
struct<ten:int,CAST(udf(cast(count(1) as string)) AS BIGINT):bigint,sum(CAST(udf(cast(four as string)) AS INT)):bigint>
struct<ten:int,CAST(udf(ansi_cast(count(1) as string)) AS BIGINT):bigint,sum(CAST(udf(ansi_cast(four as string)) AS INT)):bigint>
-- !query output
0 100 100
1 100 200
Expand All @@ -333,7 +333,7 @@ struct<ten:int,CAST(udf(cast(count(1) as string)) AS BIGINT):bigint,sum(CAST(udf
select ten, count(udf(four)), udf(sum(DISTINCT four)) from onek
group by ten order by ten
-- !query schema
struct<ten:int,count(CAST(udf(cast(four as string)) AS INT)):bigint,CAST(udf(cast(sum(distinct cast(four as bigint)) as string)) AS BIGINT):bigint>
struct<ten:int,count(CAST(udf(ansi_cast(four as string)) AS INT)):bigint,CAST(udf(ansi_cast(sum(distinct ansi_cast(four as bigint)) as string)) AS BIGINT):bigint>
-- !query output
0 100 2
1 100 4
Expand All @@ -352,7 +352,7 @@ select ten, udf(sum(distinct four)) from onek a
group by ten
having exists (select 1 from onek b where udf(sum(distinct a.four)) = b.four)
-- !query schema
struct<ten:int,CAST(udf(cast(sum(distinct cast(four as bigint)) as string)) AS BIGINT):bigint>
struct<ten:int,CAST(udf(ansi_cast(sum(distinct ansi_cast(four as bigint)) as string)) AS BIGINT):bigint>
-- !query output
0 2
2 2
Expand All @@ -372,7 +372,7 @@ struct<>
org.apache.spark.sql.AnalysisException

Aggregate/Window/Generate expressions are not valid in where clause of the query.
Expression in where clause: [(sum(DISTINCT CAST((outer() + b.`four`) AS BIGINT)) = CAST(CAST(udf(cast(four as string)) AS INT) AS BIGINT))]
Expression in where clause: [(sum(DISTINCT CAST((outer() + b.`four`) AS BIGINT)) = CAST(CAST(udf(ansi_cast(four as string)) AS INT) AS BIGINT))]
Invalid expressions: [sum(DISTINCT CAST((outer() + b.`four`) AS BIGINT))];


Expand Down
12 changes: 6 additions & 6 deletions sql/core/src/test/resources/sql-tests/results/udf/postgreSQL/udf-aggregates_part2.sql.out
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Original file line number Diff line number Diff line change
Expand Up @@ -161,15 +161,15 @@ true true false NULL false true
-- !query
select min(udf(unique1)) from tenk1
-- !query schema
struct<min(CAST(udf(cast(unique1 as string)) AS INT)):int>
struct<min(CAST(udf(ansi_cast(unique1 as string)) AS INT)):int>
-- !query output
0


-- !query
select udf(max(unique1)) from tenk1
-- !query schema
struct<CAST(udf(cast(max(unique1) as string)) AS INT):int>
struct<CAST(udf(ansi_cast(max(unique1) as string)) AS INT):int>
-- !query output
9999

Expand Down Expand Up @@ -217,7 +217,7 @@ struct<min(tenthous):int>
-- !query
select distinct max(udf(unique2)) from tenk1
-- !query schema
struct<max(CAST(udf(cast(unique2 as string)) AS INT)):int>
struct<max(CAST(udf(ansi_cast(unique2 as string)) AS INT)):int>
-- !query output
9999

Expand All @@ -241,15 +241,15 @@ struct<max(unique2):int>
-- !query
select udf(max(udf(unique2))) from tenk1 order by udf(max(unique2))+1
-- !query schema
struct<CAST(udf(cast(max(cast(udf(cast(unique2 as string)) as int)) as string)) AS INT):int>
struct<CAST(udf(ansi_cast(max(ansi_cast(udf(ansi_cast(unique2 as string)) as int)) as string)) AS INT):int>
-- !query output
9999


-- !query
select t1.max_unique2, udf(g) from (select max(udf(unique2)) as max_unique2 FROM tenk1) t1 LATERAL VIEW explode(array(1,2,3)) t2 AS g order by g desc
-- !query schema
struct<max_unique2:int,CAST(udf(cast(g as string)) AS INT):int>
struct<max_unique2:int,CAST(udf(ansi_cast(g as string)) AS INT):int>
-- !query output
9999 3
9999 2
Expand All @@ -259,6 +259,6 @@ struct<max_unique2:int,CAST(udf(cast(g as string)) AS INT):int>
-- !query
select udf(max(100)) from tenk1
-- !query schema
struct<CAST(udf(cast(max(100) as string)) AS INT):int>
struct<CAST(udf(ansi_cast(max(100) as string)) AS INT):int>
-- !query output
100
10 changes: 5 additions & 5 deletions sql/core/src/test/resources/sql-tests/results/udf/postgreSQL/udf-case.sql.out
View file
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Original file line number Diff line number Diff line change
Expand Up @@ -176,23 +176,23 @@ struct<None:string,NULL on no matches:int>
-- !query
SELECT CASE WHEN udf(1=0) THEN 1/0 WHEN 1=1 THEN 1 ELSE 2/0 END
-- !query schema
struct<CASE WHEN CAST(udf(cast((1 = 0) as string)) AS BOOLEAN) THEN (CAST(1 AS DOUBLE) / CAST(0 AS DOUBLE)) WHEN (1 = 1) THEN CAST(1 AS DOUBLE) ELSE (CAST(2 AS DOUBLE) / CAST(0 AS DOUBLE)) END:double>
struct<CASE WHEN CAST(udf(ansi_cast((1 = 0) as string)) AS BOOLEAN) THEN (CAST(1 AS DOUBLE) / CAST(0 AS DOUBLE)) WHEN (1 = 1) THEN CAST(1 AS DOUBLE) ELSE (CAST(2 AS DOUBLE) / CAST(0 AS DOUBLE)) END:double>
-- !query output
1.0


-- !query
SELECT CASE 1 WHEN 0 THEN 1/udf(0) WHEN 1 THEN 1 ELSE 2/0 END
-- !query schema
struct<CASE WHEN (1 = 0) THEN (CAST(1 AS DOUBLE) / CAST(CAST(udf(cast(0 as string)) AS INT) AS DOUBLE)) WHEN (1 = 1) THEN CAST(1 AS DOUBLE) ELSE (CAST(2 AS DOUBLE) / CAST(0 AS DOUBLE)) END:double>
struct<CASE WHEN (1 = 0) THEN (CAST(1 AS DOUBLE) / CAST(CAST(udf(ansi_cast(0 as string)) AS INT) AS DOUBLE)) WHEN (1 = 1) THEN CAST(1 AS DOUBLE) ELSE (CAST(2 AS DOUBLE) / CAST(0 AS DOUBLE)) END:double>
-- !query output
1.0


-- !query
SELECT CASE WHEN i > 100 THEN udf(1/0) ELSE udf(0) END FROM case_tbl
-- !query schema
struct<CASE WHEN (i > 100) THEN CAST(udf(cast((cast(1 as double) / cast(0 as double)) as string)) AS DOUBLE) ELSE CAST(CAST(udf(cast(0 as string)) AS INT) AS DOUBLE) END:double>
struct<CASE WHEN (i > 100) THEN CAST(udf(ansi_cast((ansi_cast(1 as double) / ansi_cast(0 as double)) as string)) AS DOUBLE) ELSE CAST(CAST(udf(ansi_cast(0 as string)) AS INT) AS DOUBLE) END:double>
-- !query output
0.0
0.0
Expand All @@ -203,7 +203,7 @@ struct<CASE WHEN (i > 100) THEN CAST(udf(cast((cast(1 as double) / cast(0 as dou
-- !query
SELECT CASE 'a' WHEN 'a' THEN udf(1) ELSE udf(2) END
-- !query schema
struct<CASE WHEN (a = a) THEN CAST(udf(cast(1 as string)) AS INT) ELSE CAST(udf(cast(2 as string)) AS INT) END:int>
struct<CASE WHEN (a = a) THEN CAST(udf(ansi_cast(1 as string)) AS INT) ELSE CAST(udf(ansi_cast(2 as string)) AS INT) END:int>
-- !query output
1

Expand Down Expand Up @@ -294,7 +294,7 @@ struct<i:int,f:double>
SELECT udf(COALESCE(a.f, b.i, b.j))
FROM CASE_TBL a, CASE2_TBL b
-- !query schema
struct<CAST(udf(cast(coalesce(f, cast(i as double), cast(j as double)) as string)) AS DOUBLE):double>
struct<CAST(udf(ansi_cast(coalesce(f, ansi_cast(i as double), ansi_cast(j as double)) as string)) AS DOUBLE):double>
-- !query output
-30.3
-30.3
Expand Down
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