Merge branch 'rightlib' into mergelibs-241120-1113

1 files changed, 31 insertions, 0 deletions

diff --git a/yql/essentials/tests/postgresql/cases/varchar.sql b/yql/essentials/tests/postgresql/cases/varchar.sql
new file mode 100644
index 0000000000..5353ac7c36
--- /dev/null
+++ b/yql/essentials/tests/postgresql/cases/varchar.sql
@@ -0,0 +1,31 @@
+--
+-- VARCHAR
+--
+CREATE TABLE VARCHAR_TBL(f1 varchar(1));
+INSERT INTO VARCHAR_TBL (f1) VALUES ('a');
+INSERT INTO VARCHAR_TBL (f1) VALUES ('A');
+-- any of the following three input formats are acceptable
+INSERT INTO VARCHAR_TBL (f1) VALUES ('1');
+INSERT INTO VARCHAR_TBL (f1) VALUES (2);
+INSERT INTO VARCHAR_TBL (f1) VALUES ('3');
+-- zero-length char
+INSERT INTO VARCHAR_TBL (f1) VALUES ('');
+INSERT INTO VARCHAR_TBL (f1) VALUES ('c     ');
+SELECT c.*
+   FROM VARCHAR_TBL c
+   WHERE c.f1 = 'a';
+SELECT c.*
+   FROM VARCHAR_TBL c
+   WHERE c.f1 < 'a';
+SELECT c.*
+   FROM VARCHAR_TBL c
+   WHERE c.f1 <= 'a';
+DROP TABLE VARCHAR_TBL;
+--
+-- Now test longer arrays of char
+--
+CREATE TABLE VARCHAR_TBL(f1 varchar(4));
+INSERT INTO VARCHAR_TBL (f1) VALUES ('a');
+INSERT INTO VARCHAR_TBL (f1) VALUES ('ab');
+INSERT INTO VARCHAR_TBL (f1) VALUES ('abcd');
+INSERT INTO VARCHAR_TBL (f1) VALUES ('abcd    ');