\set ECHO none
add_provenance

(1 row)
remove_provenance

(1 row)
WARNING:  ProvSQL: converting agg_token to numeric: provenance information is lost
WARNING:  ProvSQL: converting agg_token to double precision: provenance information is lost
WARNING:  ProvSQL: converting agg_token to integer: provenance information is lost
WARNING:  ProvSQL: converting agg_token to bigint: provenance information is lost
WARNING:  ProvSQL: converting agg_token to text: provenance information is lost
WARNING:  ProvSQL: converting agg_token to integer: provenance information is lost
s_num|s_f8|s_i4|s_i8|s_txt|c_i4
42|42|42|42|42|2
(1 row)
s_value
42
(1 row)
WARNING:  ProvSQL: converting agg_token to numeric: provenance information is lost
lit_num
42
(1 row)
WARNING:  ProvSQL: converting agg_token to integer: provenance information is lost
lit_i4
42
(1 row)
WARNING:  ProvSQL: converting agg_token to numeric: provenance information is lost
WARNING:  ProvSQL: converting agg_token to double precision: provenance information is lost
WARNING:  ProvSQL: converting agg_token to integer: provenance information is lost
WARNING:  ProvSQL: converting agg_token to bigint: provenance information is lost
empty_num_null|empty_f8_null|empty_i4_null|empty_i8_null|empty_value_null
t|t|t|t|t
(1 row)
WARNING:  ProvSQL: converting agg_token to numeric: provenance information is lost
nullword_num_null
t
(1 row)
ERROR:  invalid input syntax for agg_token: "garbage"
LINE 1: SELECT 'garbage'::provsql.agg_token;
               ^