[jira] [Commented] (SPARK-24497) ANSI SQL: Recursive query
[
https://issues.apache.org/jira/browse/SPARK-24497?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16880051#comment-16880051
]
Yuming Wang commented on SPARK-24497:
-
Feature ID: T131
> ANSI SQL: Recursive query
> -
>
> Key: SPARK-24497
> URL: https://issues.apache.org/jira/browse/SPARK-24497
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
>Affects Versions: 2.4.0
>Reporter: Yuming Wang
>Priority: Major
>
> h3. *Examples*
> Here is an example for {{WITH RECURSIVE}} clause usage. Table "department"
> represents the structure of an organization as an adjacency list.
> {code:sql}
> CREATE TABLE department (
> id INTEGER PRIMARY KEY, -- department ID
> parent_department INTEGER REFERENCES department, -- upper department ID
> name TEXT -- department name
> );
> INSERT INTO department (id, parent_department, "name")
> VALUES
> (0, NULL, 'ROOT'),
> (1, 0, 'A'),
> (2, 1, 'B'),
> (3, 2, 'C'),
> (4, 2, 'D'),
> (5, 0, 'E'),
> (6, 4, 'F'),
> (7, 5, 'G');
> -- department structure represented here is as follows:
> --
> -- ROOT-+->A-+->B-+->C
> -- | |
> -- | +->D-+->F
> -- +->E-+->G
> {code}
>
> To extract all departments under A, you can use the following recursive
> query:
> {code:sql}
> WITH RECURSIVE subdepartment AS
> (
> -- non-recursive term
> SELECT * FROM department WHERE name = 'A'
> UNION ALL
> -- recursive term
> SELECT d.*
> FROM
> department AS d
> JOIN
> subdepartment AS sd
> ON (d.parent_department = sd.id)
> )
> SELECT *
> FROM subdepartment
> ORDER BY name;
> {code}
> More details:
> [http://wiki.postgresql.org/wiki/CTEReadme]
> [https://info.teradata.com/htmlpubs/DB_TTU_16_00/index.html#page/SQL_Reference/B035-1141-160K/lqe1472241402390.html]
>
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[jira] [Commented] (SPARK-24497) ANSI SQL: Recursive query
[
https://issues.apache.org/jira/browse/SPARK-24497?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17163864#comment-17163864
]
Apache Spark commented on SPARK-24497:
--
User 'peter-toth' has created a pull request for this issue:
https://github.com/apache/spark/pull/29210
> ANSI SQL: Recursive query
> -
>
> Key: SPARK-24497
> URL: https://issues.apache.org/jira/browse/SPARK-24497
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
>Affects Versions: 3.1.0
>Reporter: Yuming Wang
>Priority: Major
>
> h3. *Examples*
> Here is an example for {{WITH RECURSIVE}} clause usage. Table "department"
> represents the structure of an organization as an adjacency list.
> {code:sql}
> CREATE TABLE department (
> id INTEGER PRIMARY KEY, -- department ID
> parent_department INTEGER REFERENCES department, -- upper department ID
> name TEXT -- department name
> );
> INSERT INTO department (id, parent_department, "name")
> VALUES
> (0, NULL, 'ROOT'),
> (1, 0, 'A'),
> (2, 1, 'B'),
> (3, 2, 'C'),
> (4, 2, 'D'),
> (5, 0, 'E'),
> (6, 4, 'F'),
> (7, 5, 'G');
> -- department structure represented here is as follows:
> --
> -- ROOT-+->A-+->B-+->C
> -- | |
> -- | +->D-+->F
> -- +->E-+->G
> {code}
>
> To extract all departments under A, you can use the following recursive
> query:
> {code:sql}
> WITH RECURSIVE subdepartment AS
> (
> -- non-recursive term
> SELECT * FROM department WHERE name = 'A'
> UNION ALL
> -- recursive term
> SELECT d.*
> FROM
> department AS d
> JOIN
> subdepartment AS sd
> ON (d.parent_department = sd.id)
> )
> SELECT *
> FROM subdepartment
> ORDER BY name;
> {code}
> More details:
> [http://wiki.postgresql.org/wiki/CTEReadme]
> [https://info.teradata.com/htmlpubs/DB_TTU_16_00/index.html#page/SQL_Reference/B035-1141-160K/lqe1472241402390.html]
>
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[jira] [Commented] (SPARK-24497) ANSI SQL: Recursive query
[
https://issues.apache.org/jira/browse/SPARK-24497?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17039498#comment-17039498
]
Daniel Mateus Pires commented on SPARK-24497:
-
Hey! the PR linked to this issue has merge conflicts and reviewers didn't come
back to it for another round of reviews, just wanted to notify on this thread
that this feature would be very useful :+1:
> ANSI SQL: Recursive query
> -
>
> Key: SPARK-24497
> URL: https://issues.apache.org/jira/browse/SPARK-24497
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
>Affects Versions: 3.0.0
>Reporter: Yuming Wang
>Priority: Major
>
> h3. *Examples*
> Here is an example for {{WITH RECURSIVE}} clause usage. Table "department"
> represents the structure of an organization as an adjacency list.
> {code:sql}
> CREATE TABLE department (
> id INTEGER PRIMARY KEY, -- department ID
> parent_department INTEGER REFERENCES department, -- upper department ID
> name TEXT -- department name
> );
> INSERT INTO department (id, parent_department, "name")
> VALUES
> (0, NULL, 'ROOT'),
> (1, 0, 'A'),
> (2, 1, 'B'),
> (3, 2, 'C'),
> (4, 2, 'D'),
> (5, 0, 'E'),
> (6, 4, 'F'),
> (7, 5, 'G');
> -- department structure represented here is as follows:
> --
> -- ROOT-+->A-+->B-+->C
> -- | |
> -- | +->D-+->F
> -- +->E-+->G
> {code}
>
> To extract all departments under A, you can use the following recursive
> query:
> {code:sql}
> WITH RECURSIVE subdepartment AS
> (
> -- non-recursive term
> SELECT * FROM department WHERE name = 'A'
> UNION ALL
> -- recursive term
> SELECT d.*
> FROM
> department AS d
> JOIN
> subdepartment AS sd
> ON (d.parent_department = sd.id)
> )
> SELECT *
> FROM subdepartment
> ORDER BY name;
> {code}
> More details:
> [http://wiki.postgresql.org/wiki/CTEReadme]
> [https://info.teradata.com/htmlpubs/DB_TTU_16_00/index.html#page/SQL_Reference/B035-1141-160K/lqe1472241402390.html]
>
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[jira] [Commented] (SPARK-24497) ANSI SQL: Recursive query
[
https://issues.apache.org/jira/browse/SPARK-24497?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17040121#comment-17040121
]
Peter Toth commented on SPARK-24497:
Thanks [~dmateusp] for your +1. That PR is mine and I will resolve the
conflicts soon. Hopefully it will get some review after that.
> ANSI SQL: Recursive query
> -
>
> Key: SPARK-24497
> URL: https://issues.apache.org/jira/browse/SPARK-24497
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
>Affects Versions: 3.0.0
>Reporter: Yuming Wang
>Priority: Major
>
> h3. *Examples*
> Here is an example for {{WITH RECURSIVE}} clause usage. Table "department"
> represents the structure of an organization as an adjacency list.
> {code:sql}
> CREATE TABLE department (
> id INTEGER PRIMARY KEY, -- department ID
> parent_department INTEGER REFERENCES department, -- upper department ID
> name TEXT -- department name
> );
> INSERT INTO department (id, parent_department, "name")
> VALUES
> (0, NULL, 'ROOT'),
> (1, 0, 'A'),
> (2, 1, 'B'),
> (3, 2, 'C'),
> (4, 2, 'D'),
> (5, 0, 'E'),
> (6, 4, 'F'),
> (7, 5, 'G');
> -- department structure represented here is as follows:
> --
> -- ROOT-+->A-+->B-+->C
> -- | |
> -- | +->D-+->F
> -- +->E-+->G
> {code}
>
> To extract all departments under A, you can use the following recursive
> query:
> {code:sql}
> WITH RECURSIVE subdepartment AS
> (
> -- non-recursive term
> SELECT * FROM department WHERE name = 'A'
> UNION ALL
> -- recursive term
> SELECT d.*
> FROM
> department AS d
> JOIN
> subdepartment AS sd
> ON (d.parent_department = sd.id)
> )
> SELECT *
> FROM subdepartment
> ORDER BY name;
> {code}
> More details:
> [http://wiki.postgresql.org/wiki/CTEReadme]
> [https://info.teradata.com/htmlpubs/DB_TTU_16_00/index.html#page/SQL_Reference/B035-1141-160K/lqe1472241402390.html]
>
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[jira] [Commented] (SPARK-24497) ANSI SQL: Recursive query
[
https://issues.apache.org/jira/browse/SPARK-24497?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17276395#comment-17276395
]
Laurens Janssen commented on SPARK-24497:
-
Any progress on this? The pull request seems to be open for some time now with
no activity.
I work in finance, and recursive queries are quite common in this industry.
Think of company hierarchies, where one would like to get all parent companies
up to some ultimate parent company for a given subsidiary. Similarly this is
used a lot for investment portfolios, where portfolios of holdings can be
composite of other portfolios. So to get all the holdings, one would have to
recursively get the holdings of each (sub)portfolio. Having recursive CTE's
would greatly simplify the queries I use.
> ANSI SQL: Recursive query
> -
>
> Key: SPARK-24497
> URL: https://issues.apache.org/jira/browse/SPARK-24497
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
>Affects Versions: 3.1.0
>Reporter: Yuming Wang
>Priority: Major
>
> h3. *Examples*
> Here is an example for {{WITH RECURSIVE}} clause usage. Table "department"
> represents the structure of an organization as an adjacency list.
> {code:sql}
> CREATE TABLE department (
> id INTEGER PRIMARY KEY, -- department ID
> parent_department INTEGER REFERENCES department, -- upper department ID
> name TEXT -- department name
> );
> INSERT INTO department (id, parent_department, "name")
> VALUES
> (0, NULL, 'ROOT'),
> (1, 0, 'A'),
> (2, 1, 'B'),
> (3, 2, 'C'),
> (4, 2, 'D'),
> (5, 0, 'E'),
> (6, 4, 'F'),
> (7, 5, 'G');
> -- department structure represented here is as follows:
> --
> -- ROOT-+->A-+->B-+->C
> -- | |
> -- | +->D-+->F
> -- +->E-+->G
> {code}
>
> To extract all departments under A, you can use the following recursive
> query:
> {code:sql}
> WITH RECURSIVE subdepartment AS
> (
> -- non-recursive term
> SELECT * FROM department WHERE name = 'A'
> UNION ALL
> -- recursive term
> SELECT d.*
> FROM
> department AS d
> JOIN
> subdepartment AS sd
> ON (d.parent_department = sd.id)
> )
> SELECT *
> FROM subdepartment
> ORDER BY name;
> {code}
> More details:
> [http://wiki.postgresql.org/wiki/CTEReadme]
> [https://info.teradata.com/htmlpubs/DB_TTU_16_00/index.html#page/SQL_Reference/B035-1141-160K/lqe1472241402390.html]
>
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[jira] [Commented] (SPARK-24497) ANSI SQL: Recursive query
[
https://issues.apache.org/jira/browse/SPARK-24497?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17277367#comment-17277367
]
Peter Toth commented on SPARK-24497:
Thanks [~ilaurens] for your comment. Recursive queries are very useful to
process hierarchical structures indeed.
I will try update my PRs this week, but the problem is the lack of reviews...
> ANSI SQL: Recursive query
> -
>
> Key: SPARK-24497
> URL: https://issues.apache.org/jira/browse/SPARK-24497
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
>Affects Versions: 3.1.0
>Reporter: Yuming Wang
>Priority: Major
>
> h3. *Examples*
> Here is an example for {{WITH RECURSIVE}} clause usage. Table "department"
> represents the structure of an organization as an adjacency list.
> {code:sql}
> CREATE TABLE department (
> id INTEGER PRIMARY KEY, -- department ID
> parent_department INTEGER REFERENCES department, -- upper department ID
> name TEXT -- department name
> );
> INSERT INTO department (id, parent_department, "name")
> VALUES
> (0, NULL, 'ROOT'),
> (1, 0, 'A'),
> (2, 1, 'B'),
> (3, 2, 'C'),
> (4, 2, 'D'),
> (5, 0, 'E'),
> (6, 4, 'F'),
> (7, 5, 'G');
> -- department structure represented here is as follows:
> --
> -- ROOT-+->A-+->B-+->C
> -- | |
> -- | +->D-+->F
> -- +->E-+->G
> {code}
>
> To extract all departments under A, you can use the following recursive
> query:
> {code:sql}
> WITH RECURSIVE subdepartment AS
> (
> -- non-recursive term
> SELECT * FROM department WHERE name = 'A'
> UNION ALL
> -- recursive term
> SELECT d.*
> FROM
> department AS d
> JOIN
> subdepartment AS sd
> ON (d.parent_department = sd.id)
> )
> SELECT *
> FROM subdepartment
> ORDER BY name;
> {code}
> More details:
> [http://wiki.postgresql.org/wiki/CTEReadme]
> [https://info.teradata.com/htmlpubs/DB_TTU_16_00/index.html#page/SQL_Reference/B035-1141-160K/lqe1472241402390.html]
>
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[jira] [Commented] (SPARK-24497) ANSI SQL: Recursive query
[
https://issues.apache.org/jira/browse/SPARK-24497?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17854182#comment-17854182
]
Jonathan Boarman commented on SPARK-24497:
--
There's a lot of folks wondering when this will get merged. I see from Peter
the issue relates to getting reviewers? How do we get reviewers to review that
PR?
> ANSI SQL: Recursive query
> -
>
> Key: SPARK-24497
> URL: https://issues.apache.org/jira/browse/SPARK-24497
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
>Affects Versions: 3.1.0
>Reporter: Yuming Wang
>Priority: Major
> Labels: pull-request-available
>
> h3. *Examples*
> Here is an example for {{WITH RECURSIVE}} clause usage. Table "department"
> represents the structure of an organization as an adjacency list.
> {code:sql}
> CREATE TABLE department (
> id INTEGER PRIMARY KEY, -- department ID
> parent_department INTEGER REFERENCES department, -- upper department ID
> name TEXT -- department name
> );
> INSERT INTO department (id, parent_department, "name")
> VALUES
> (0, NULL, 'ROOT'),
> (1, 0, 'A'),
> (2, 1, 'B'),
> (3, 2, 'C'),
> (4, 2, 'D'),
> (5, 0, 'E'),
> (6, 4, 'F'),
> (7, 5, 'G');
> -- department structure represented here is as follows:
> --
> -- ROOT-+->A-+->B-+->C
> -- | |
> -- | +->D-+->F
> -- +->E-+->G
> {code}
>
> To extract all departments under A, you can use the following recursive
> query:
> {code:sql}
> WITH RECURSIVE subdepartment AS
> (
> -- non-recursive term
> SELECT * FROM department WHERE name = 'A'
> UNION ALL
> -- recursive term
> SELECT d.*
> FROM
> department AS d
> JOIN
> subdepartment AS sd
> ON (d.parent_department = sd.id)
> )
> SELECT *
> FROM subdepartment
> ORDER BY name;
> {code}
> More details:
> [http://wiki.postgresql.org/wiki/CTEReadme]
> [https://info.teradata.com/htmlpubs/DB_TTU_16_00/index.html#page/SQL_Reference/B035-1141-160K/lqe1472241402390.html]
>
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[jira] [Commented] (SPARK-24497) ANSI SQL: Recursive query
[
https://issues.apache.org/jira/browse/SPARK-24497?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17702142#comment-17702142
]
Max commented on SPARK-24497:
-
We are waiting for you to finish this task. We really miss it.
> ANSI SQL: Recursive query
> -
>
> Key: SPARK-24497
> URL: https://issues.apache.org/jira/browse/SPARK-24497
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
>Affects Versions: 3.1.0
>Reporter: Yuming Wang
>Priority: Major
>
> h3. *Examples*
> Here is an example for {{WITH RECURSIVE}} clause usage. Table "department"
> represents the structure of an organization as an adjacency list.
> {code:sql}
> CREATE TABLE department (
> id INTEGER PRIMARY KEY, -- department ID
> parent_department INTEGER REFERENCES department, -- upper department ID
> name TEXT -- department name
> );
> INSERT INTO department (id, parent_department, "name")
> VALUES
> (0, NULL, 'ROOT'),
> (1, 0, 'A'),
> (2, 1, 'B'),
> (3, 2, 'C'),
> (4, 2, 'D'),
> (5, 0, 'E'),
> (6, 4, 'F'),
> (7, 5, 'G');
> -- department structure represented here is as follows:
> --
> -- ROOT-+->A-+->B-+->C
> -- | |
> -- | +->D-+->F
> -- +->E-+->G
> {code}
>
> To extract all departments under A, you can use the following recursive
> query:
> {code:sql}
> WITH RECURSIVE subdepartment AS
> (
> -- non-recursive term
> SELECT * FROM department WHERE name = 'A'
> UNION ALL
> -- recursive term
> SELECT d.*
> FROM
> department AS d
> JOIN
> subdepartment AS sd
> ON (d.parent_department = sd.id)
> )
> SELECT *
> FROM subdepartment
> ORDER BY name;
> {code}
> More details:
> [http://wiki.postgresql.org/wiki/CTEReadme]
> [https://info.teradata.com/htmlpubs/DB_TTU_16_00/index.html#page/SQL_Reference/B035-1141-160K/lqe1472241402390.html]
>
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[jira] [Commented] (SPARK-24497) ANSI SQL: Recursive query
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]
Peter Toth commented on SPARK-24497:
I've opened a new PR: https://github.com/apache/spark/pull/40093 to support
recursive SQL, but for some reason it didn't get automatically linked here.
[~gurwls223], you might know what went wrong...
> ANSI SQL: Recursive query
> -
>
> Key: SPARK-24497
> URL: https://issues.apache.org/jira/browse/SPARK-24497
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
>Affects Versions: 3.1.0
>Reporter: Yuming Wang
>Priority: Major
>
> h3. *Examples*
> Here is an example for {{WITH RECURSIVE}} clause usage. Table "department"
> represents the structure of an organization as an adjacency list.
> {code:sql}
> CREATE TABLE department (
> id INTEGER PRIMARY KEY, -- department ID
> parent_department INTEGER REFERENCES department, -- upper department ID
> name TEXT -- department name
> );
> INSERT INTO department (id, parent_department, "name")
> VALUES
> (0, NULL, 'ROOT'),
> (1, 0, 'A'),
> (2, 1, 'B'),
> (3, 2, 'C'),
> (4, 2, 'D'),
> (5, 0, 'E'),
> (6, 4, 'F'),
> (7, 5, 'G');
> -- department structure represented here is as follows:
> --
> -- ROOT-+->A-+->B-+->C
> -- | |
> -- | +->D-+->F
> -- +->E-+->G
> {code}
>
> To extract all departments under A, you can use the following recursive
> query:
> {code:sql}
> WITH RECURSIVE subdepartment AS
> (
> -- non-recursive term
> SELECT * FROM department WHERE name = 'A'
> UNION ALL
> -- recursive term
> SELECT d.*
> FROM
> department AS d
> JOIN
> subdepartment AS sd
> ON (d.parent_department = sd.id)
> )
> SELECT *
> FROM subdepartment
> ORDER BY name;
> {code}
> More details:
> [http://wiki.postgresql.org/wiki/CTEReadme]
> [https://info.teradata.com/htmlpubs/DB_TTU_16_00/index.html#page/SQL_Reference/B035-1141-160K/lqe1472241402390.html]
>
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[jira] [Commented] (SPARK-24497) ANSI SQL: Recursive query
[
https://issues.apache.org/jira/browse/SPARK-24497?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17648616#comment-17648616
]
gabrywu commented on SPARK-24497:
-
this is a useful feature, when will it be merged to main branch?
> ANSI SQL: Recursive query
> -
>
> Key: SPARK-24497
> URL: https://issues.apache.org/jira/browse/SPARK-24497
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
>Affects Versions: 3.1.0
>Reporter: Yuming Wang
>Priority: Major
>
> h3. *Examples*
> Here is an example for {{WITH RECURSIVE}} clause usage. Table "department"
> represents the structure of an organization as an adjacency list.
> {code:sql}
> CREATE TABLE department (
> id INTEGER PRIMARY KEY, -- department ID
> parent_department INTEGER REFERENCES department, -- upper department ID
> name TEXT -- department name
> );
> INSERT INTO department (id, parent_department, "name")
> VALUES
> (0, NULL, 'ROOT'),
> (1, 0, 'A'),
> (2, 1, 'B'),
> (3, 2, 'C'),
> (4, 2, 'D'),
> (5, 0, 'E'),
> (6, 4, 'F'),
> (7, 5, 'G');
> -- department structure represented here is as follows:
> --
> -- ROOT-+->A-+->B-+->C
> -- | |
> -- | +->D-+->F
> -- +->E-+->G
> {code}
>
> To extract all departments under A, you can use the following recursive
> query:
> {code:sql}
> WITH RECURSIVE subdepartment AS
> (
> -- non-recursive term
> SELECT * FROM department WHERE name = 'A'
> UNION ALL
> -- recursive term
> SELECT d.*
> FROM
> department AS d
> JOIN
> subdepartment AS sd
> ON (d.parent_department = sd.id)
> )
> SELECT *
> FROM subdepartment
> ORDER BY name;
> {code}
> More details:
> [http://wiki.postgresql.org/wiki/CTEReadme]
> [https://info.teradata.com/htmlpubs/DB_TTU_16_00/index.html#page/SQL_Reference/B035-1141-160K/lqe1472241402390.html]
>
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