ri > ActiveRecord::QueryMethods

Che Dong

🔧 ActiveRecord::QueryMethods

📋 NAME

ActiveRecord::QueryMethods — a module providing query-building methods for ActiveRecord relations.

🚀 Quick Reference

Use Case	Command	Description
🔍 Filter records	`where(conditions)`	Adds a WHERE clause
📊 Sort results	`order(column)`	Adds an ORDER BY clause
🔗 Load associations	`includes(:association)`	Eagerly loads associated records
🔗 Raw SQL join	`joins(:table)`	Adds a JOIN clause
📏 Limit results	`limit(number)`	Limits the number of records
📐 Offset results	`offset(number)`	Skips the first N records
🎯 Select specific columns	`select(:column)`	Restricts returned columns
📦 Group results	`group(:column)`	Adds a GROUP BY clause
⚖️ Having filter	`having(conditions)`	Adds a HAVING clause
⛔ Remove scopes	`unscope(:scope)`	Removes specified scopes

📦 Includes

ActiveModel::ForbiddenAttributesProtection (from /home/chedong/.local/share/rdoc)

🧩 Extended by

ActiveSupport::Concern (from /home/chedong/.local/share/rdoc)

🔧 Constants

FROZEN_EMPTY_ARRAY — [not documented]
FROZEN_EMPTY_HASH — [not documented]
VALID_UNSCOPING_VALUES — [not documented]

🛠️ Instance Methods

and
annotate
create_with
distinct
eager_load
extending
extract_associated
from
group
having
includes
joins
left_joins
left_outer_joins
limit
lock
none
offset
optimizer_hints
or
order
preload
readonly
references
reorder
reselect
reverse_order
rewhere
select
strict_loading
uniq!
unscope
where

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