[jira] [Commented] (SPARK-10868) monotonicallyIncreasingId() supports offset for indexing
[
https://issues.apache.org/jira/browse/SPARK-10868?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15425607#comment-15425607
]
Ted Yu commented on SPARK-10868:
bq. this makes sense
What was the reasoning behind the initial assessment ?
> monotonicallyIncreasingId() supports offset for indexing
>
>
> Key: SPARK-10868
> URL: https://issues.apache.org/jira/browse/SPARK-10868
> Project: Spark
> Issue Type: New Feature
> Components: SQL
>Affects Versions: 1.5.0
>Reporter: Martin Senne
>
> With SPARK-7135 and https://github.com/apache/spark/pull/5709
> `monotonicallyIncreasingID()` allows to create an index column with unique
> ids. The indexing always starts at 0 (no offset).
> *Feature wish*
> Having a parameter `offset`, such that the function can be used as
> {{monotonicallyIncreasingID( offset )}}
> and indexing _starts at *offset* instead of 0_.
> *Use-case*
> Add rows to a DataFrame that is already written to a DB (via
> _.write.jdbc(...)_).
> In detail:
> - A DataFrame *A* (containing an ID column) and having indices from 0 to 199
> in that column is existent in DB.
> - New rows need to be added to *A*. This included
> -- Creating a DataFrame *A'* with new rows, but without id column
> -- Add the index column to *A'* - this time starting at *200*, as there are
> already entries with id's from 0 to 199 (*here, monotonicallyInreasingID( 200
> ) is required.*)
> -- union *A* and *A'*
> -- store into DB
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[jira] [Commented] (SPARK-10868) monotonicallyIncreasingId() supports offset for indexing
[
https://issues.apache.org/jira/browse/SPARK-10868?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15414164#comment-15414164
]
Ted Yu commented on SPARK-10868:
I can pick up this one if Martin hasn't started working on it.
> monotonicallyIncreasingId() supports offset for indexing
>
>
> Key: SPARK-10868
> URL: https://issues.apache.org/jira/browse/SPARK-10868
> Project: Spark
> Issue Type: New Feature
> Components: SQL
>Affects Versions: 1.5.0
>Reporter: Martin Senne
>
> With SPARK-7135 and https://github.com/apache/spark/pull/5709
> `monotonicallyIncreasingID()` allows to create an index column with unique
> ids. The indexing always starts at 0 (no offset).
> *Feature wish*
> Having a parameter `offset`, such that the function can be used as
> {{monotonicallyIncreasingID( offset )}}
> and indexing _starts at *offset* instead of 0_.
> *Use-case*
> Add rows to a DataFrame that is already written to a DB (via
> _.write.jdbc(...)_).
> In detail:
> - A DataFrame *A* (containing an ID column) and having indices from 0 to 199
> in that column is existent in DB.
> - New rows need to be added to *A*. This included
> -- Creating a DataFrame *A'* with new rows, but without id column
> -- Add the index column to *A'* - this time starting at *200*, as there are
> already entries with id's from 0 to 199 (*here, monotonicallyInreasingID( 200
> ) is required.*)
> -- union *A* and *A'*
> -- store into DB
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[jira] [Commented] (SPARK-10868) monotonicallyIncreasingId() supports offset for indexing
[
https://issues.apache.org/jira/browse/SPARK-10868?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15414162#comment-15414162
]
Apache Spark commented on SPARK-10868:
--
User 'tedyu' has created a pull request for this issue:
https://github.com/apache/spark/pull/14568
> monotonicallyIncreasingId() supports offset for indexing
>
>
> Key: SPARK-10868
> URL: https://issues.apache.org/jira/browse/SPARK-10868
> Project: Spark
> Issue Type: New Feature
> Components: SQL
>Affects Versions: 1.5.0
>Reporter: Martin Senne
>
> With SPARK-7135 and https://github.com/apache/spark/pull/5709
> `monotonicallyIncreasingID()` allows to create an index column with unique
> ids. The indexing always starts at 0 (no offset).
> *Feature wish*
> Having a parameter `offset`, such that the function can be used as
> {{monotonicallyIncreasingID( offset )}}
> and indexing _starts at *offset* instead of 0_.
> *Use-case*
> Add rows to a DataFrame that is already written to a DB (via
> _.write.jdbc(...)_).
> In detail:
> - A DataFrame *A* (containing an ID column) and having indices from 0 to 199
> in that column is existent in DB.
> - New rows need to be added to *A*. This included
> -- Creating a DataFrame *A'* with new rows, but without id column
> -- Add the index column to *A'* - this time starting at *200*, as there are
> already entries with id's from 0 to 199 (*here, monotonicallyInreasingID( 200
> ) is required.*)
> -- union *A* and *A'*
> -- store into DB
--
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[jira] [Commented] (SPARK-10868) monotonicallyIncreasingId() supports offset for indexing
[
https://issues.apache.org/jira/browse/SPARK-10868?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14944108#comment-14944108
]
Reynold Xin commented on SPARK-10868:
-
[~MartinSenne] this makes sense, and shouldn't be too hard to do. Are you
interested in submitting a pull request for this?
> monotonicallyIncreasingId() supports offset for indexing
>
>
> Key: SPARK-10868
> URL: https://issues.apache.org/jira/browse/SPARK-10868
> Project: Spark
> Issue Type: New Feature
> Components: SQL
>Affects Versions: 1.5.0
>Reporter: Martin Senne
>
> With SPARK-7135 and https://github.com/apache/spark/pull/5709
> `monotonicallyIncreasingID()` allows to create an index column with unique
> ids. The indexing always starts at 0 (no offset).
> *Feature wish*
> Having a parameter `offset`, such that the function can be used as
> {{monotonicallyIncreasingID( offset )}}
> and indexing _starts at *offset* instead of 0_.
> *Use-case*
> Add rows to a DataFrame that is already written to a DB (via
> _.write.jdbc(...)_).
> In detail:
> - A DataFrame *A* (containing an ID column) and having indices from 0 to 199
> in that column is existent in DB.
> - New rows need to be added to *A*. This included
> -- Creating a DataFrame *A'* with new rows, but without id column
> -- Add the index column to *A'* - this time starting at *200*, as there are
> already entries with id's from 0 to 199 (*here, monotonicallyInreasingID( 200
> ) is required.*)
> -- union *A* and *A'*
> -- store into DB
--
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[jira] [Commented] (SPARK-10868) monotonicallyIncreasingId() supports offset for indexing
[
https://issues.apache.org/jira/browse/SPARK-10868?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14944137#comment-14944137
]
Martin Senne commented on SPARK-10868:
--
I will do (and give my best!) Thx for offering this opportunity
> monotonicallyIncreasingId() supports offset for indexing
>
>
> Key: SPARK-10868
> URL: https://issues.apache.org/jira/browse/SPARK-10868
> Project: Spark
> Issue Type: New Feature
> Components: SQL
>Affects Versions: 1.5.0
>Reporter: Martin Senne
>
> With SPARK-7135 and https://github.com/apache/spark/pull/5709
> `monotonicallyIncreasingID()` allows to create an index column with unique
> ids. The indexing always starts at 0 (no offset).
> *Feature wish*
> Having a parameter `offset`, such that the function can be used as
> {{monotonicallyIncreasingID( offset )}}
> and indexing _starts at *offset* instead of 0_.
> *Use-case*
> Add rows to a DataFrame that is already written to a DB (via
> _.write.jdbc(...)_).
> In detail:
> - A DataFrame *A* (containing an ID column) and having indices from 0 to 199
> in that column is existent in DB.
> - New rows need to be added to *A*. This included
> -- Creating a DataFrame *A'* with new rows, but without id column
> -- Add the index column to *A'* - this time starting at *200*, as there are
> already entries with id's from 0 to 199 (*here, monotonicallyInreasingID( 200
> ) is required.*)
> -- union *A* and *A'*
> -- store into DB
--
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