method
mismatched_foreign_key_details
rails latest stable - Class:
ActiveRecord::ConnectionAdapters::AbstractMysqlAdapter
mismatched_foreign_key_details(message:, sql:)private
No documentation available.
# File activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 939
def mismatched_foreign_key_details(message,, sql))
foreign_key_pat =
/Referencing column '(\w+)' and referenced/ =~ message ? $1 : '\w+'
match = /
(?:CREATE|ALTER)\s+TABLE\s*(?:`?\w+`?\.)?`?(?<table>\w+)`?.+?
FOREIGN\s+KEY\s*\(`?(?<foreign_key>#{foreign_key_pat})`?\)\s*
REFERENCES\s*(`?(?<target_table>\w+)`?)\s*\(`?(?<primary_key>\w+)`?\)
/mi.match(sql)
options = {}
if match
options[:table] = match[:table]
options[:foreign_key] = match[:foreign_key]
options[:target_table] = match[:target_table]
options[:primary_key] = match[:primary_key]
options[:primary_key_column] = column_for(match[:target_table], match[:primary_key])
end
options
end