Created
April 4, 2025 11:03
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Amazing Rails debug with TracePoint and sql.active_record notifications
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require "amazing_print" | |
class Debug | |
def self.trace(with_sql: false) | |
if with_sql | |
subscriber = ActiveSupport::Notifications.subscribe("sql.active_record") do |event| | |
payload = event.payload[:sql] | |
next if payload.match?(/^(SELECT|SET|SHOW|BEGIN|COMMIT|ROLLBACK|RELEASE|SAVEPOINT)/) | |
# next if payload.include?("audits") | |
event.payload[:type_casted_binds].each_with_index do |bind, index| | |
payload = payload.gsub("$#{index + 1}", "'#{bind}'") | |
end | |
puts "+ #{payload}" | |
end | |
end | |
@raise_traces = [] | |
raise_trace = TracePoint.new(:raise) do |tp| | |
@raise_traces << tp | |
ap({ | |
path: tp.path, | |
lineno: tp.lineno, | |
event: tp.event, | |
method_id: tp.method_id, | |
raised_exception: tp.raised_exception | |
}) | |
end | |
raise_trace.enable | |
yield | |
raise_trace.disable | |
ActiveSupport::Notifications.unsubscribe(subscriber) if with_sql | |
end | |
end |
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