Add scalar test case

Signed-off-by: Austin Liu <[email protected]>

Author: austin362667

datafusion/sqllogictest/test_files/string/string_query.slt.part

@@ -1096,3 +1096,20 @@ Rapha Raphael NULL datafusionДатаФус datafusionДатаФусион NULL
 und under_score NULL un iść core un iść core NULL
 p percent NULL pan Tadeusz ma iść w kąt pan Tadeusz ma iść w kąt NULL
 NULL NULL NULL NULL NULL NULL
+
+# TODO: Support Utf8View for bit_length array string function
+# --------------------------------------
+# Test BIT_LENGTH
+# --------------------------------------
+# query II
+# SELECT
+#   BIT_LENGTH(ascii_1),
+#   BIT_LENGTH(unicode_1)
+# FROM test_basic_operator;
+# ----
+# 48 144
+# 72 176
+# 56 240
+# 88 104
+# 56 216
+# NULL NULL

datafusion/sqllogictest/test_files/string/string_view.slt

@@ -91,6 +91,16 @@ select octet_length(column1_utf8view) from test;
 7
 NULL
 
+query IIII
+SELECT
+  BIT_LENGTH(arrow_cast('Andrew', 'Utf8View')),
+  BIT_LENGTH(arrow_cast('datafusion数据融合', 'Utf8View')),
+  BIT_LENGTH(arrow_cast('💖', 'Utf8View')),
+  BIT_LENGTH(arrow_cast('josé', 'Utf8View'))
+;
+----
+48 176 32 40
+
 query error DataFusion error: Arrow error: Compute error: bit_length not supported for Utf8View
 select bit_length(column1_utf8view) from test;