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refreshing snowflake schema w/o waking cluster #4285

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merged 3 commits into from
Dec 2, 2019

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monicagangwar
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@monicagangwar monicagangwar commented Oct 24, 2019

What type of PR is this? (check all applicable)

  • Refactor

Description

Refreshing snowflake schema w/o waking cluster. Used show columns for this which executes the command w/o having to require a warehouse.
Created a new internal function in the query runner __run_query_without_warehouse instead of modifying the existing run_query function so as to not change the definition as specified in the base class

Related Tickets & Documents

#4217

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@arikfr arikfr left a comment

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Thank you for taking a stab at this! I'm sure Snowflake users will appreciate it. 👍

Please see comments to improve the code maintainability. 🙏

@@ -104,16 +104,47 @@ def run_query(self, query, user):

return json_data, error

def __run_query_without_warehouse(self, query, user):
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Suggested change
def __run_query_without_warehouse(self, query, user):
def _run_query_without_warehouse(self, query):

A single underscore is enough :) (need to update the function call below too).

Also no need to take a user object here.

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@monicagangwar
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@arikfr addressed PR comments and rebased from master

monicagangwar added 3 commits October 28, 2019 20:17
Have also added a new internal method to not select a
warehouse while executing query
Using 'show columns' to fetch database schema instead of
executing a select query in information schema
show columns does not require a warehouse to run
fixing internal function syntax and avoiding
code repetition
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arikfr commented Dec 2, 2019

Thank you!

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3 participants