Method raise

src/jrd/btr.cpp:277–343

// IndexErrorContext class

void IndexErrorContext::raise(thread_db* tdbb, idx_e result, Record* record)
{
	fb_assert(result != idx_e_ok);

	if (result == idx_e_conversion || result == idx_e_interrupt)
		ERR_punt();

	const MetaName& relationName = isLocationDefined ? m_location.relation->rel_name : m_relation->rel_name;
	const USHORT indexId = isLocationDefined ? m_location.indexId : m_index->idx_id;

	MetaName indexName(m_indexName), constraintName;

	if (indexName.isEmpty())
		MET_lookup_index(tdbb, indexName, relationName, indexId + 1);

	if (indexName.hasData())
		MET_lookup_cnstrt_for_index(tdbb, constraintName, indexName);
	else
		indexName = "***unknown***";

	const bool haveConstraint = constraintName.hasData();

	if (!haveConstraint)
		constraintName = "***unknown***";

	switch (result)
	{
	case idx_e_keytoobig:
		ERR_post_nothrow(Arg::Gds(isc_imp_exc) <<
						 Arg::Gds(isc_keytoobig) << Arg::Str(indexName));
		break;

	case idx_e_foreign_target_doesnt_exist:
		ERR_post_nothrow(Arg::Gds(isc_foreign_key) <<
						 Arg::Str(constraintName) << Arg::Str(relationName) <<
						 Arg::Gds(isc_foreign_key_target_doesnt_exist));
		break;

	case idx_e_foreign_references_present:
		ERR_post_nothrow(Arg::Gds(isc_foreign_key) <<
						 Arg::Str(constraintName) << Arg::Str(relationName) <<
						 Arg::Gds(isc_foreign_key_references_present));
		break;

	case idx_e_duplicate:
		if (haveConstraint)
		{
			ERR_post_nothrow(Arg::Gds(isc_unique_key_violation) <<
							 Arg::Str(constraintName) << Arg::Str(relationName));
		}
		else
			ERR_post_nothrow(Arg::Gds(isc_no_dup) << Arg::Str(indexName));
		break;

	default:
		fb_assert(false);
	}