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SQL: add DATE_TRUNC function #46319

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astefan opened this issue Sep 4, 2019 · 6 comments · Fixed by #46473
Closed

SQL: add DATE_TRUNC function #46319

astefan opened this issue Sep 4, 2019 · 6 comments · Fixed by #46473
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@matriv
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:Analytics/SQL SQL querying >feature

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@astefan
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astefan commented Sep 4, 2019

The DATE_TRUNC function is used to truncate date/datetimes to specified precision.
https://www.w3resource.com/PostgreSQL/date_trunc-function.php
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Pinging @elastic/es-search

@jbonn360
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jbonn360 commented Sep 4, 2019

@astefan does this need approval? I can work on this

@astefan
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astefan commented Sep 5, 2019

@jbonn360 thank you for your interest in ES-SQL. We do appreciate it.
We've already started looking at this implementation and it's not that trivial. If you maybe would like to have a look at a more simple issue to start with, that would be preferable.

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jbonn360 commented Sep 5, 2019

@astefan ok cheers

@matriv matriv self-assigned this Sep 8, 2019
matriv added a commit to matriv/elasticsearch that referenced this issue Sep 8, 2019
@matriv
SQL: Implement DATE_TRUNC function
eabbe2e 
DATE_TRUNC(<truncate field>, <date/datetime>) is a function that allows
the user to truncate a timestamp to the specified field by zeroing out
the rest of the fields. The function is implemented according to the
spec from PostgreSQL: https://www.postgresql.org/docs/current/functions-datetime.html#FUNCTIONS-DATETIME-TRUNC

Closes: elastic#46319
@matriv matriv mentioned this issue Sep 8, 2019
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matriv added a commit that referenced this issue Sep 11, 2019
@matriv
SQL: Implement DATE_TRUNC function (#46473)
b37e967 
DATE_TRUNC(<truncate field>, <date/datetime>) is a function that allows
the user to truncate a timestamp to the specified field by zeroing out
the rest of the fields. The function is implemented according to the
spec from PostgreSQL: https://www.postgresql.org/docs/current/functions-datetime.html#FUNCTIONS-DATETIME-TRUNC

Closes: #46319
@matriv matriv mentioned this issue Sep 11, 2019
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@matriv
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matriv commented Sep 11, 2019

@jbonn360 Once again, thank you for your interest to contribute to our project.
If you'd like you could give a go on a functionality extension of DATE_TRUNC to include intervals: #46632

matriv added a commit that referenced this issue Sep 11, 2019
@matriv
SQL: Implement DATE_TRUNC function (#46473)
d956509 
DATE_TRUNC(<truncate field>, <date/datetime>) is a function that allows
the user to truncate a timestamp to the specified field by zeroing out
the rest of the fields. The function is implemented according to the
spec from PostgreSQL: https://www.postgresql.org/docs/current/functions-datetime.html#FUNCTIONS-DATETIME-TRUNC

Closes: #46319
(cherry picked from commit b37e967)
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matriv commented Sep 11, 2019

master : b37e967
7.x : d956509

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SQL: Implement DATE_TRUNC function matriv/elasticsearch
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@astefan @matriv @elasticmachine @jbonn360