method

is_cached_plan_failure?

rails latest stable - Class: ActiveRecord::ConnectionAdapters::PostgreSQLAdapter

is_cached_plan_failure?(e)

private

Annoyingly, the code for prepared statements whose return value may have changed is FEATURE_NOT_SUPPORTED.

This covers various different error types so we need to do additional work to classify the exception definitively as a ActiveRecord::PreparedStatementCacheExpired

Check here for more details: git.postgresql.org/gitweb/?p=postgresql.git;a=blob;f=src/backend/utils/cache/plancache.c#l573

# File activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb, line 941
        def is_cached_plan_failure?(e)
          pgerror = e.cause
          pgerror.result.result_error_field(PG::PG_DIAG_SQLSTATE) == FEATURE_NOT_SUPPORTED &&
            pgerror.result.result_error_field(PG::PG_DIAG_SOURCE_FUNCTION) == "RevalidateCachedQuery"
        rescue
          false
        end

is_cached_plan_failure?

Related methods