class ActiveRecord::LogSubscriber
Constants
- IGNORE_PAYLOAD_NAMES
Public Class Methods
reset_runtime()
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# File lib/active_record/log_subscriber.rb, line 17 def self.reset_runtime rt, self.runtime = runtime, 0 rt end
runtime()
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# File lib/active_record/log_subscriber.rb, line 13 def self.runtime ActiveRecord::RuntimeRegistry.sql_runtime ||= 0 end
runtime=(value)
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# File lib/active_record/log_subscriber.rb, line 9 def self.runtime=(value) ActiveRecord::RuntimeRegistry.sql_runtime = value end
Public Instance Methods
sql(event)
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# File lib/active_record/log_subscriber.rb, line 32 def sql(event) self.class.runtime += event.duration return unless logger.debug? payload = event.payload return if IGNORE_PAYLOAD_NAMES.include?(payload[:name]) name = "#{payload[:name]} (#{event.duration.round(1)}ms)" name = "CACHE #{name}" if payload[:cached] sql = payload[:sql] binds = nil if payload[:binds]&.any? casted_params = type_casted_binds(payload[:type_casted_binds]) binds = [] payload[:binds].each_with_index do |attr, i| binds << render_bind(attr, casted_params[i]) end binds = binds.inspect binds.prepend(" ") end name = colorize_payload_name(name, payload[:name]) sql = color(sql, sql_color(sql), true) if colorize_logging debug " #{name} #{sql}#{binds}" end
strict_loading_violation(event)
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# File lib/active_record/log_subscriber.rb, line 22 def strict_loading_violation(event) debug do owner = event.payload[:owner] association = event.payload[:reflection].klass name = event.payload[:reflection].name color("Strict loading violation: #{owner} is marked for strict loading. The #{association} association named :#{name} cannot be lazily loaded.", RED) end end
Private Instance Methods
colorize_payload_name(name, payload_name)
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# File lib/active_record/log_subscriber.rb, line 82 def colorize_payload_name(name, payload_name) if payload_name.blank? || payload_name == "SQL" # SQL vs Model Load/Exists color(name, MAGENTA, true) else color(name, CYAN, true) end end
debug(progname = nil, &block)
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Calls superclass method
# File lib/active_record/log_subscriber.rb, line 115 def debug(progname = nil, &block) return unless super if ActiveRecord::Base.verbose_query_logs log_query_source end end
extract_query_source_location(locations)
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# File lib/active_record/log_subscriber.rb, line 131 def extract_query_source_location(locations) backtrace_cleaner.clean(locations.lazy).first end
log_query_source()
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# File lib/active_record/log_subscriber.rb, line 123 def log_query_source source = extract_query_source_location(caller) if source logger.debug(" ↳ #{source}") end end
logger()
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# File lib/active_record/log_subscriber.rb, line 111 def logger ActiveRecord::Base.logger end
render_bind(attr, value)
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# File lib/active_record/log_subscriber.rb, line 67 def render_bind(attr, value) case attr when ActiveModel::Attribute if attr.type.binary? && attr.value value = "<#{attr.value_for_database.to_s.bytesize} bytes of binary data>" end when Array attr = attr.first else attr = nil end [attr&.name, value] end
sql_color(sql)
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# File lib/active_record/log_subscriber.rb, line 90 def sql_color(sql) case sql when /\A\s*rollback/mi RED when /select .*for update/mi, /\A\s*lock/mi WHITE when /\A\s*select/i BLUE when /\A\s*insert/i GREEN when /\A\s*update/i YELLOW when /\A\s*delete/i RED when /transaction\s*\Z/i CYAN else MAGENTA end end
type_casted_binds(casted_binds)
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# File lib/active_record/log_subscriber.rb, line 63 def type_casted_binds(casted_binds) casted_binds.respond_to?(:call) ? casted_binds.call : casted_binds end