chore: import upstream snapshot with attribution

2026-07-13 12:32:25 +08:00
commit e014feafe1
2285 changed files with 1131979 additions and 0 deletions
@@ -0,0 +1,44 @@
+--
+-- PATH
+--
+
+--DROP TABLE PATH_TBL;
+
+CREATE TABLE PATH_TBL (f1 path);
+
+INSERT INTO PATH_TBL VALUES ('[(1,2),(3,4)]');
+
+INSERT INTO PATH_TBL VALUES (' ( ( 1 , 2 ) , ( 3 , 4 ) ) ');
+
+INSERT INTO PATH_TBL VALUES ('[ (0,0),(3,0),(4,5),(1,6) ]');
+
+INSERT INTO PATH_TBL VALUES ('((1,2) ,(3,4 ))');
+
+INSERT INTO PATH_TBL VALUES ('1,2 ,3,4 ');
+
+INSERT INTO PATH_TBL VALUES (' [1,2,3, 4] ');
+
+INSERT INTO PATH_TBL VALUES ('((10,20))');	-- Only one point
+
+INSERT INTO PATH_TBL VALUES ('[ 11,12,13,14 ]');
+
+INSERT INTO PATH_TBL VALUES ('( 11,12,13,14) ');
+
+-- bad values for parser testing
+INSERT INTO PATH_TBL VALUES ('[]');
+
+INSERT INTO PATH_TBL VALUES ('[(,2),(3,4)]');
+
+INSERT INTO PATH_TBL VALUES ('[(1,2),(3,4)');
+
+INSERT INTO PATH_TBL VALUES ('(1,2,3,4');
+
+INSERT INTO PATH_TBL VALUES ('(1,2),(3,4)]');
+
+SELECT f1 AS open_path FROM PATH_TBL WHERE isopen(f1);
+
+SELECT f1 AS closed_path FROM PATH_TBL WHERE isclosed(f1);
+
+SELECT pclose(f1) AS closed_path FROM PATH_TBL;
+
+SELECT popen(f1) AS open_path FROM PATH_TBL;