method
explain
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Class: DatabaseStatements
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explain(arel, binds = [], options = [])
public
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# File activerecord/lib/active_record/connection_adapters/postgresql/database_statements.rb, line 7 def explain(arel, binds = [], options = []) sql = build_explain_clause(options) + " " + to_sql(arel, binds) result = internal_exec_query(sql, "EXPLAIN", binds) PostgreSQL::ExplainPrettyPrinter.new.pp(result) end