Age | Commit message (Collapse) | Author |
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GitLab.com also has an up-to-date Postgres mirror.
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Removes all the extra whitespaces at end of lines,
inside tags, and removes extra newlines
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closes 62127
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This gem allows you to get the `EXPLAIN ANALYZE` query plan, directly
from the Rails console.
The gem is installed with `require: false`, but if it was loaded on
launch, this would be it's memory load:
```
TOP: 145.3086 MiB
rails/all: 22.4844 MiB
...
activerecord-explain-analyze: 2.9648 MiB
active_record/connection_adapters/postgresql_adapter: 2.9648 MiB
pg: 2.9648 MiB
pg_ext: 2.9648 MiB
...
```
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Add a few useful links for those who want to learn more about
databases and database performance.
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- Also makes other minor Markdown fixes that were near the main fixes.
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This adds a database guide on how to read the output of "EXPLAIN" and
"EXPLAIN ANALYZE", and how to use this output to understand a query's
performance and optimise it.
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