datum_max_float8 datum_max_int32 datum_max_text datum_min_float8 datum_min_int32 datum_min_text datum_sum_double2 datum_sum_double3 datum_sum_double4 datum_sum_float8 ensure_same_temp_subtype_skiplist tbool_tand_combinefn tbool_tand_transfn tbool_tor_combinefn tbool_tor_transfn temporal_extent_combinefn temporal_extent_transfn temporal_merge_combinefn temporal_merge_transfn temporal_tagg_combinefn temporal_tagg_combinefn1 temporal_tagg_finalfn temporal_tagg_transfn temporal_tagg_transform_transfn temporal_tcount_combinefn temporal_tcount_transfn temporal_transform_tagg temporal_transform_tcount tfloat_tmax_combinefn tfloat_tmax_transfn tfloat_tmin_combinefn tfloat_tmin_transfn tfloat_tsum_combinefn tfloat_tsum_transfn tinstant_tagg tinstant_tagg_transfn tinstant_tavg_finalfn tinstant_transform_tcount tinstantset_tagg_transfn tinstantset_transform_tagg tinstantset_transform_tcount tint_tmax_combinefn tint_tmax_transfn tint_tmin_combinefn tint_tmin_transfn tint_tsum_combinefn tint_tsum_transfn tnumber_extent_combinefn tnumber_extent_transfn tnumber_tavg_combinefn tnumber_tavg_finalfn tnumber_tavg_transfn tnumberinst_transform_tavg tsequence_tagg tsequence_tagg1 tsequence_tagg_transfn tsequence_tavg_finalfn tsequence_transform_tagg tsequence_transform_tcount tsequenceset_tagg_transfn tsequenceset_transform_tagg tsequenceset_transform_tcount ttext_tmax_combinefn ttext_tmax_transfn ttext_tmin_combinefn ttext_tmin_transfn

temporal_merge_transfn() PGDLLEXPORT Datum temporal_merge_transfn ( PG_FUNCTION_ARGS  ) Transition function for union aggregate of periods.