[
https://issues.apache.org/jira/browse/SPARK-32059?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Frank Yin updated SPARK-32059:
------------------------------
Description:
Using tables and data structures in `SchemaPruningSuite.scala`
{code:java}
// code placeholder
case class FullName(first: String, middle: String, last: String)
case class Company(name: String, address: String)
case class Employer(id: Int, company: Company)
case class Contact(
id: Int,
name: FullName,
address: String,
pets: Int,
friends: Array[FullName] = Array.empty,
relatives: Map[String, FullName] = Map.empty,
employer: Employer = null,
relations: Map[FullName, String] = Map.empty)
case class Department(
depId: Int,
depName: String,
contactId: Int,
employer: Employer)
{code}
The query to run:
{code:java}
// code placeholder
select a.name.first from (select row_number() over (partition by address order
by id desc) as __rank, contacts.* from contacts) a where a.name.first = 'A' AND
a.__rank = 1
{code}
The current physical plan:
{code:java}
// code placeholder
== Physical Plan ==
*(3) Project [name#46.first AS first#74]
+- *(3) Filter (((isnotnull(name#46) AND isnotnull(__rank#71)) AND
(name#46.first = A)) AND (__rank#71 = 1))
+- Window [row_number() windowspecdefinition(address#47, id#45 DESC NULLS
LAST, specifiedwindowframe(RowFrame, unboundedpreceding$(), currentrow$())) AS
__rank#71], [address#47], [id#45 DESC NULLS LAST]
+- *(2) Sort [address#47 ASC NULLS FIRST, id#45 DESC NULLS LAST], false, 0
+- Exchange hashpartitioning(address#47, 5), true, [id=#52]
+- *(1) Project [id#45, name#46, address#47]
+- FileScan parquet [id#45,name#46,address#47,p#53] Batched:
false, DataFilters: [], Format: Parquet, Location:
InMemoryFileIndex[file:/private/var/folders/_c/4r2j33dd14n9ldfc2xqyzs400000gn/T/spark-85d173af-42...,
PartitionFilters: [], PushedFilters: [], ReadSchema:
struct<id:int,name:struct<first:string,middle:string,last:string>,address:string>
{code}
The desired physical plan:
{code:java}
// code placeholder
== Physical Plan ==
*(3) Project [_gen_alias_77#77 AS first#74]
+- *(3) Filter (((isnotnull(_gen_alias_77#77) AND isnotnull(__rank#71)) AND
(_gen_alias_77#77 = A)) AND (__rank#71 = 1))
+- Window [row_number() windowspecdefinition(address#47, id#45 DESC NULLS
LAST, specifiedwindowframe(RowFrame, unboundedpreceding$(), currentrow$())) AS
__rank#71], [address#47], [id#45 DESC NULLS LAST]
+- *(2) Sort [address#47 ASC NULLS FIRST, id#45 DESC NULLS LAST], false, 0
+- Exchange hashpartitioning(address#47, 5), true, [id=#52]
+- *(1) Project [id#45, name#46.first AS _gen_alias_77#77,
address#47]
+- FileScan parquet [id#45,name#46,address#47,p#53] Batched:
false, DataFilters: [], Format: Parquet, Location:
InMemoryFileIndex[file:/private/var/folders/_c/4r2j33dd14n9ldfc2xqyzs400000gn/T/spark-c64e0b29-d9...,
PartitionFilters: [], PushedFilters: [], ReadSchema:
struct<id:int,name:struct<first:string>,address:string>
{code}
was:
Using tables and data structures in `SchemaPruningSuite.scala`
```
case class FullName(first: String, middle: String, last: String)
case class Company(name: String, address: String)
case class Employer(id: Int, company: Company)
case class Contact(
id: Int,
name: FullName,
address: String,
pets: Int,
friends: Array[FullName] = Array.empty,
relatives: Map[String, FullName] = Map.empty,
employer: Employer = null,
relations: Map[FullName, String] = Map.empty)
case class Department(
depId: Int,
depName: String,
contactId: Int,
employer: Employer)
```
The query to run: `
select a.name.first from (select row_number() over (partition by address order
by id desc) as __rank, contacts.* from contacts) a where a.name.first = 'A' AND
a.__rank = 1`
The current physical plan:
```
== Physical Plan ==
*(3) Project [name#46.first AS first#74]
+- *(3) Filter (((isnotnull(name#46) AND isnotnull(__rank#71)) AND
(name#46.first = A)) AND (__rank#71 = 1))
+- Window [row_number() windowspecdefinition(address#47, id#45 DESC NULLS
LAST, specifiedwindowframe(RowFrame, unboundedpreceding$(), currentrow$())) AS
__rank#71], [address#47], [id#45 DESC NULLS LAST]
+- *(2) Sort [address#47 ASC NULLS FIRST, id#45 DESC NULLS LAST], false, 0
+- Exchange hashpartitioning(address#47, 5), true, [id=#52]
+- *(1) Project [id#45, name#46, address#47]
+- FileScan parquet [id#45,name#46,address#47,p#53] Batched: false,
DataFilters: [], Format: Parquet, Location:
InMemoryFileIndex[file:/private/var/folders/_c/4r2j33dd14n9ldfc2xqyzs400000gn/T/spark-85d173af-42...,
PartitionFilters: [], PushedFilters: [], ReadSchema:
struct<id:int,name:struct<first:string,middle:string,last:string>,address:string>
```
The desired physical plan:
```
== Physical Plan ==
*(3) Project [_gen_alias_77#77 AS first#74]
+- *(3) Filter (((isnotnull(_gen_alias_77#77) AND isnotnull(__rank#71)) AND
(_gen_alias_77#77 = A)) AND (__rank#71 = 1))
+- Window [row_number() windowspecdefinition(address#47, id#45 DESC NULLS
LAST, specifiedwindowframe(RowFrame, unboundedpreceding$(), currentrow$())) AS
__rank#71], [address#47], [id#45 DESC NULLS LAST]
+- *(2) Sort [address#47 ASC NULLS FIRST, id#45 DESC NULLS LAST], false, 0
+- Exchange hashpartitioning(address#47, 5), true, [id=#52]
+- *(1) Project [id#45, name#46.first AS _gen_alias_77#77, address#47]
+- FileScan parquet [id#45,name#46,address#47,p#53] Batched: false,
DataFilters: [], Format: Parquet, Location:
InMemoryFileIndex[file:/private/var/folders/_c/4r2j33dd14n9ldfc2xqyzs400000gn/T/spark-c64e0b29-d9...,
PartitionFilters: [], PushedFilters: [], ReadSchema:
struct<id:int,name:struct<first:string>,address:string>
```
> Nested Schema Pruning not Working in Window Functions
> -----------------------------------------------------
>
> Key: SPARK-32059
> URL: https://issues.apache.org/jira/browse/SPARK-32059
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: Frank Yin
> Priority: Major
>
> Using tables and data structures in `SchemaPruningSuite.scala`
>
> {code:java}
> // code placeholder
> case class FullName(first: String, middle: String, last: String)
> case class Company(name: String, address: String)
> case class Employer(id: Int, company: Company)
> case class Contact(
> id: Int,
> name: FullName,
> address: String,
> pets: Int,
> friends: Array[FullName] = Array.empty,
> relatives: Map[String, FullName] = Map.empty,
> employer: Employer = null,
> relations: Map[FullName, String] = Map.empty)
> case class Department(
> depId: Int,
> depName: String,
> contactId: Int,
> employer: Employer)
> {code}
>
> The query to run:
> {code:java}
> // code placeholder
> select a.name.first from (select row_number() over (partition by address
> order by id desc) as __rank, contacts.* from contacts) a where a.name.first =
> 'A' AND a.__rank = 1
> {code}
>
> The current physical plan:
> {code:java}
> // code placeholder
> == Physical Plan ==
> *(3) Project [name#46.first AS first#74]
> +- *(3) Filter (((isnotnull(name#46) AND isnotnull(__rank#71)) AND
> (name#46.first = A)) AND (__rank#71 = 1))
> +- Window [row_number() windowspecdefinition(address#47, id#45 DESC NULLS
> LAST, specifiedwindowframe(RowFrame, unboundedpreceding$(), currentrow$()))
> AS __rank#71], [address#47], [id#45 DESC NULLS LAST]
> +- *(2) Sort [address#47 ASC NULLS FIRST, id#45 DESC NULLS LAST],
> false, 0
> +- Exchange hashpartitioning(address#47, 5), true, [id=#52]
> +- *(1) Project [id#45, name#46, address#47]
> +- FileScan parquet [id#45,name#46,address#47,p#53] Batched:
> false, DataFilters: [], Format: Parquet, Location:
> InMemoryFileIndex[file:/private/var/folders/_c/4r2j33dd14n9ldfc2xqyzs400000gn/T/spark-85d173af-42...,
> PartitionFilters: [], PushedFilters: [], ReadSchema:
> struct<id:int,name:struct<first:string,middle:string,last:string>,address:string>
> {code}
>
> The desired physical plan:
>
> {code:java}
> // code placeholder
> == Physical Plan ==
> *(3) Project [_gen_alias_77#77 AS first#74]
> +- *(3) Filter (((isnotnull(_gen_alias_77#77) AND isnotnull(__rank#71)) AND
> (_gen_alias_77#77 = A)) AND (__rank#71 = 1))
> +- Window [row_number() windowspecdefinition(address#47, id#45 DESC NULLS
> LAST, specifiedwindowframe(RowFrame, unboundedpreceding$(), currentrow$()))
> AS __rank#71], [address#47], [id#45 DESC NULLS LAST]
> +- *(2) Sort [address#47 ASC NULLS FIRST, id#45 DESC NULLS LAST],
> false, 0
> +- Exchange hashpartitioning(address#47, 5), true, [id=#52]
> +- *(1) Project [id#45, name#46.first AS _gen_alias_77#77,
> address#47]
> +- FileScan parquet [id#45,name#46,address#47,p#53] Batched:
> false, DataFilters: [], Format: Parquet, Location:
> InMemoryFileIndex[file:/private/var/folders/_c/4r2j33dd14n9ldfc2xqyzs400000gn/T/spark-c64e0b29-d9...,
> PartitionFilters: [], PushedFilters: [], ReadSchema:
> struct<id:int,name:struct<first:string>,address:string>
> {code}
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