Methods
Instance Public methods
build_explain_clause(options = [])
Source code
# File activerecord/lib/active_record/connection_adapters/postgresql/database_statements.rb, line 129
def build_explain_clause(options = [])
return "EXPLAIN" if options.empty?
"EXPLAIN (#{options.join(", ").upcase})"
end
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explain(arel, binds = [], options = [])
Source code
# 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
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high_precision_current_timestamp()
Source code
# File activerecord/lib/active_record/connection_adapters/postgresql/database_statements.rb, line 125
def high_precision_current_timestamp
HIGH_PRECISION_CURRENT_TIMESTAMP
end
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raw_execute(sql, name, async: false, allow_retry: false, materialize_transactions: true)
Source code
# File activerecord/lib/active_record/connection_adapters/postgresql/database_statements.rb, line 50
def raw_execute(sql, name, async: false, allow_retry: false, materialize_transactions: true)
log(sql, name, async: async) do
with_raw_connection(allow_retry: allow_retry, materialize_transactions: materialize_transactions) do |conn|
result = conn.async_exec(sql)
handle_warnings(result)
result
end
end
end
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