Float_round Floatset_ceil Floatset_degrees Floatset_floor Floatset_radians Floatspan_ceil Floatspan_degrees Floatspan_floor Floatspan_radians Floatspan_round Floatspanset_ceil Floatspanset_degrees Floatspanset_floor Floatspanset_radians Floatspanset_round Numset_scale Numset_shift Numset_shift_scale Numspan_expand Numspan_scale Numspan_shift Numspan_shift_scale Numspanset_scale Numspanset_shift Numspanset_shift_scale Set_round Set_unnest Textcat_text_textset Textcat_textset_text Textset_initcap Textset_lower Textset_upper Timestamptz_shift Tstzset_scale Tstzset_shift Tstzset_shift_scale Tstzspan_scale Tstzspan_shift Tstzspan_shift_scale Tstzspanset_scale Tstzspanset_shift Tstzspanset_shift_scale

Textset_lower() Datum Textset_lower ( PG_FUNCTION_ARGS  ) Return a text set with the values transformed to lowercase @sqlfn lower()