Left_set_set Left_set_value Left_span_span Left_span_spanset Left_span_value Left_spanset_span Left_spanset_spanset Left_spanset_value Left_value_set Left_value_span Left_value_spanset Overleft_set_set Overleft_set_value Overleft_span_span Overleft_span_spanset Overleft_span_value Overleft_spanset_span Overleft_spanset_spanset Overleft_spanset_value Overleft_value_set Overleft_value_span Overleft_value_spanset Overright_set_set Overright_set_value Overright_span_span Overright_span_spanset Overright_span_value Overright_spanset_span Overright_spanset_spanset Overright_spanset_value Overright_value_set Overright_value_span Overright_value_spanset Right_set_set Right_set_value Right_span_span Right_span_spanset Right_span_value Right_spanset_span Right_spanset_spanset Right_spanset_value Right_value_set Right_value_span Right_value_spanset

Left_span_span() Datum Left_span_span ( PG_FUNCTION_ARGS  ) Return true if the first span is to the left of the second one @sqlfn span_left() SQL Operator: <<