fix: allow empty strings in datetime intervals (#157)

stac-utils · Feb 6, 2023 · f42e233 · f42e233
1 parent 6422105
commit f42e233
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Showing 2 changed files with 14 additions and 2 deletions.
diff --git a/sql/002b_cql.sql b/sql/002b_cql.sql
@@ -34,13 +34,13 @@ BEGIN
         RAISE EXCEPTION 'Timestamp cannot have more than 2 values';
     END IF;
 
-    IF timestrs[1] = '..' THEN
+    IF timestrs[1] = '..' OR timestrs[1] = '' THEN
         s := '-infinity'::timestamptz;
         e := timestrs[2]::timestamptz;
         RETURN tstzrange(s,e,'[)');
     END IF;
 
-    IF timestrs[2] = '..' THEN
+    IF timestrs[2] = '..' OR timestrs[2] = '' THEN
         s := timestrs[1]::timestamptz;
         e := 'infinity'::timestamptz;
         RETURN tstzrange(s,e,'[)');

diff --git a/test/pgtap/004_search.sql b/test/pgtap/004_search.sql
@@ -14,6 +14,18 @@ SELECT results_eq($$ SELECT parse_dtrange('["2020-01-01","2021-01-01"]'::jsonb)
 SELECT results_eq($$ SELECT parse_dtrange('"2020-01-01/2021-01-01"'::jsonb) $$, $$ SELECT '["2020-01-01 00:00:00+00","2021-01-01 00:00:00+00")'::tstzrange $$, 'date range passed as string range');
 
 
+SELECT results_eq($$ SELECT parse_dtrange('"2020-01-01/.."'::jsonb) $$, $$ SELECT '["2020-01-01 00:00:00+00",infinity)'::tstzrange $$, 'date range passed as string range');
+
+
+SELECT results_eq($$ SELECT parse_dtrange('"2020-01-01/"'::jsonb) $$, $$ SELECT '["2020-01-01 00:00:00+00",infinity)'::tstzrange $$, 'date range passed as string range');
+
+
+SELECT results_eq($$ SELECT parse_dtrange('"../2020-01-01"'::jsonb) $$, $$ SELECT '[-infinity,"2020-01-01 00:00:00+00")'::tstzrange $$, 'date range passed as string range');
+
+
+SELECT results_eq($$ SELECT parse_dtrange('"/2020-01-01"'::jsonb) $$, $$ SELECT '[-infinity,"2020-01-01 00:00:00+00")'::tstzrange $$, 'date range passed as string range');
+
+
 SELECT has_function('pgstac'::name, 'bbox_geom', ARRAY['jsonb']);