module Sequel::Dataset::Provenance
Constants
- INTERNAL
- RUBY_STDLIB
- SEQUEL_LIB_PATH
Public Instance Methods
clone(opts = nil || (return self))
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Include provenance information when cloning datasets.
Calls superclass method
# File lib/sequel/extensions/provenance.rb, line 44 def clone(opts = nil || (return self)) super(provenance_opts(opts)) end
Private Instance Methods
provenance_opts(opts)
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Return a copy of opts with provenance information added.
# File lib/sequel/extensions/provenance.rb, line 86 def provenance_opts(opts) provenance = {source: provenance_source, keys: opts.keys.freeze}.freeze opts = opts.dup opts[:provenance] = ((@opts[:provenance] || EMPTY_ARRAY).dup << provenance).freeze opts end
provenance_source()
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Return the caller line for the provenance change. This skips Sequel itself and the standard library. Additional locations can be skipped using the :provenance_caller_ignore Dataset option.
# File lib/sequel/extensions/provenance.rb, line 96 def provenance_source ignore = db.opts[:provenance_caller_ignore] caller.find do |line| !(line.start_with?(SEQUEL_LIB_PATH) || line.start_with?(RUBY_STDLIB) || line.start_with?(INTERNAL) || (ignore && line =~ ignore)) end end