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| author | Jon Atack <jonnyatack@gmail.com> | 2015-03-27 09:46:14 +0530 |
|---|---|---|
| committer | Jon Atack <jonnyatack@gmail.com> | 2015-03-27 09:46:14 +0530 |
| commit | a1671afcd420948db20ae7265f667966091c79e9 (patch) | |
| tree | efd0cd4299e903b298a689f8b749a2bbe94435a7 /guides/source/configuring.md | |
| parent | cd09261846053bb40f8c859b8644b28208b6d7b9 (diff) | |
| download | rails-a1671afcd420948db20ae7265f667966091c79e9.tar.gz rails-a1671afcd420948db20ae7265f667966091c79e9.tar.bz2 rails-a1671afcd420948db20ae7265f667966091c79e9.zip | |
[skip ci] Update configuring.md with #18846
Add `config.active_record.warn_on_records_fetched_greater_than` to the
Configuring Rails Guide.
Diffstat (limited to 'guides/source/configuring.md')
| -rw-r--r-- | guides/source/configuring.md | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/guides/source/configuring.md b/guides/source/configuring.md index 67285030a9..6f32e6484f 100644 --- a/guides/source/configuring.md +++ b/guides/source/configuring.md @@ -309,6 +309,11 @@ All these configuration options are delegated to the `I18n` library. * `config.active_record.belongs_to_required_by_default` is a boolean value and controls whether `belongs_to` association is required by default. +* `config.active_record.warn_on_records_fetched_greater_than` allows setting a + warning threshold for query result size. If the number of records returned + by a query exceeds the threshold, a warning is logged. This can be used to + identify queries which might be causing memory bloat. + The MySQL adapter adds one additional configuration option: * `ActiveRecord::ConnectionAdapters::MysqlAdapter.emulate_booleans` controls whether Active Record will consider all `tinyint(1)` columns in a MySQL database to be booleans and is true by default. |