Merge pull request #1 from spiraldb/ji/add-null-test

Add null test

Author: joseph-isaacs

test/sql/nulls.test

@@ -0,0 +1,25 @@
+# name: test/sql/nulls.test
+# description: test nullable values
+# group: [vortex]
+
+# Before we load the extension, this will fail
+
+require vortex
+
+# copy vortex
+statement ok
+COPY ((SELECT generate_series as s1, NULL as s2 from generate_series(0, 4)) union (SELECT generate_series as s1, generate_series + 1 as s2 from generate_series(5,8))) TO '__TEST_DIR__/test.vortex' (FORMAT VORTEX)
+
+# read vortex
+query II
+SELECT s1, s2 FROM read_vortex('__TEST_DIR__/test.vortex') ORDER BY s1;
+----
+0	NULL
+1	NULL
+2	NULL
+3	NULL
+4	NULL
+5	6
+6	7
+7	8
+8	9