ALWAYS BBOX_TEST BBOX_TEST_NO bboxunion BORDER_EXC BORDER_INC C_COLLATION_OID CONTINUOUS CROSSINGS CROSSINGS_NO DATUM_FREE DATUM_FREE_IF_COPY datum_func1 datum_func2 datum_func3 DatumGetDouble2P DatumGetDouble3P DatumGetDouble4P DatumGetTemporalP DatumGetTextP DEFAULT_BIGINTSPAN_ORIGIN DEFAULT_COLLATION_OID DEFAULT_FLOATSPAN_ORIGIN DEFAULT_INTSPAN_ORIGIN DEFAULT_TIME_ORIGIN DISCONTINUOUS DIST_EPSILON Double2PGetDatum Double3PGetDatum Double4PGetDatum ensure_common_dimension ensure_continuous ensure_has_not_Z ensure_has_T ensure_has_X ensure_has_Z ensure_linear_interp ensure_nonlinear_interp ensure_not_negative ensure_not_negative_datum ensure_not_null ensure_one_not_null ensure_one_true ensure_positive ensure_positive_datum ensure_positive_duration ensure_same_continuous_interp ensure_same_interp ensure_same_temporal_type ensure_temporal_isof_basetype ensure_temporal_isof_subtype ensure_temporal_isof_type ensure_valid_day_duration ensure_valid_interp ensure_valid_temporal_set ensure_valid_temporal_temporal ensure_valid_tnumber_numspan ensure_valid_tnumber_numspanset ensure_valid_tnumber_tbox ensure_valid_tnumber_tnumber EVER GET_MAX GET_MIN intersection_temporal_temporal INVERT INVERT_NO JAN_3_2000 MEOS_EPSILON MEOS_FP_EQ MEOS_FP_GE MEOS_FP_GT MEOS_FP_LE MEOS_FP_LT MEOS_FP_NE MEOS_WKB_BYTE_SIZE MEOS_WKB_DATE_SIZE MEOS_WKB_DOUBLE_SIZE MEOS_WKB_GEODETICFLAG MEOS_WKB_GET_INTERP MEOS_WKB_INT2_SIZE MEOS_WKB_INT4_SIZE MEOS_WKB_INT8_SIZE MEOS_WKB_INTERPFLAGS MEOS_WKB_LOWER_INC MEOS_WKB_ORDERED MEOS_WKB_SET_INTERP MEOS_WKB_SRIDFLAG MEOS_WKB_TFLAG MEOS_WKB_TIMESTAMP_SIZE MEOS_WKB_TSUBTYPE MEOS_WKB_UPPER_INC MEOS_WKB_XFLAG MEOS_WKB_ZFLAG MERGE MERGE_NO mobilitydb_full_version mobilitydb_version NDR NO_Z NORMALIZE NORMALIZE_NO not_negative_datum ORDER ORDER_NO outfunc pg_atoi PG_DATUM_NEEDS_DETOAST PG_FREE_IF_COPY_P PG_GETARG_TEMPORAL_P PG_GETARG_TINSTANT_P PG_GETARG_TSEQUENCE_P PG_GETARG_TSEQUENCESET_P PG_RETURN_TEMPORAL_P PG_RETURN_TINSTANT_P PG_RETURN_TSEQUENCE_P PG_RETURN_TSEQUENCESET_P positive_datum positive_duration POSIX_COLLATION_OID qsort_comparator QUOTES QUOTES_NO REST_AT REST_MINUS round_fn RTAfterStrategyNumber RTBackStrategyNumber RTBeforeStrategyNumber RTFrontStrategyNumber RTOverAfterStrategyNumber RTOverBackStrategyNumber RTOverBeforeStrategyNumber RTOverFrontStrategyNumber SetOper SPACES SPACES_NO SyncMode temporal_bbox_ptr temporal_bbox_restrict_value TemporalFamily TemporalPGetDatum TGEO TIME_SEL TIME_SEL TInstantPGetDatum tpfunc_base tpfunc_temp TPOINT TSequencePGetDatum TSequenceSetPGetDatum UNARY_UNION UNARY_UNION_NO UNUSED UPPER_EXC VALUE_SEL varfunc WITH_Z XDR

positive_duration() bool positive_duration ( const Interval *  duration ) Return true if an interval is a positive duration.