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實例共用方法

explain(arel, binds = [], _options = [])

來源： 顯示 | GitHub 上

# File activerecord/lib/active_record/connection_adapters/sqlite3/database_statements.rb, line 18
def explain(arel, binds = [], _options = [])
  sql    = "EXPLAIN QUERY PLAN " + to_sql(arel, binds)
  result = internal_exec_query(sql, "EXPLAIN", [])
  SQLite3::ExplainPrettyPrinter.new.pp(result)
end

high_precision_current_timestamp()

來源： 顯示 | GitHub 上

# File activerecord/lib/active_record/connection_adapters/sqlite3/database_statements.rb, line 49
def high_precision_current_timestamp
  HIGH_PRECISION_CURRENT_TIMESTAMP
end