should be it

external/duckdb/test/sql/function/autocomplete/expressions.test

@@ -0,0 +1,101 @@
+# name: test/sql/function/autocomplete/expressions.test
+# description: Test sql_auto_complete
+# group: [autocomplete]
+
+require autocomplete
+
+# literal
+query II
+FROM sql_auto_complete('SELECT NULL FR') LIMIT 1;
+----
+FROM 	12
+
+# cast
+query II
+FROM sql_auto_complete('SELECT CAST(a AS INTE') LIMIT 1;
+----
+INTEGER	17
+
+query II
+FROM sql_auto_complete('SELECT a::INTE') LIMIT 1;
+----
+INTEGER	10
+
+# distinct
+query II
+FROM sql_auto_complete('SELECT col IS DIST') LIMIT 1;
+----
+DISTINCT 	14
+
+query II
+FROM sql_auto_complete('SELECT col IS DISTINCT FRO') LIMIT 1;
+----
+FROM 	23
+
+# collate
+query II
+FROM sql_auto_complete('SELECT col COLL') LIMIT 1;
+----
+COLLATE 	11
+
+# between
+query II
+FROM sql_auto_complete('SELECT col BETW') LIMIT 1;
+----
+BETWEEN 	11
+
+# case
+query II
+FROM sql_auto_complete('SELECT CASE WH') LIMIT 1;
+----
+WHEN 	12
+
+# functions
+query II
+FROM sql_auto_complete('SELECT sum(42) IS NOT NUL') LIMIT 1;
+----
+NULL 	22
+
+query II
+FROM sql_auto_complete('SELECT sum(disti') LIMIT 1;
+----
+distinct 	11
+
+query II
+FROM sql_auto_complete('SELECT sum(a, b orde') LIMIT 1;
+----
+order 	16
+
+query II
+FROM sql_auto_complete('SELECT sum(a) filt') LIMIT 1;
+----
+filter 	14
+
+query II
+FROM sql_auto_complete('SELECT CASE WHEN a=1 THEN 1 WHEN a=2 THEN 2 WHEN a=3 THEN 3 END FR') LIMIT 1;
+----
+FROM 	64
+
+# slice
+query II
+FROM sql_auto_complete('SELECT col[1:2] FR') LIMIT 1;
+----
+FROM 	16
+
+# test parsing of many expressions
+query II
+FROM sql_auto_complete('SELECT col BETWEEN 1 AND 2, col > col2, col AND (col2 OR col3), col4 IS NOT DISTINCT FROM col5, col6 IN (SELECT * FROM tbl) FR') LIMIT 1;
+----
+FROM 	124
+
+# literals
+query II
+FROM sql_auto_complete('SELECT 42, 83.5, -125, 1.25e375, [1, 2, 3, 4], {''name'': 42}, ARRAY[col, col2 + 1] FR') LIMIT 1;
+----
+FROM 	82
+
+# complex types
+query II
+FROM sql_auto_complete('SELECT a::DECIMAL(42), b::INT[3], []::INT[][][], d::ROW(i INT[], c ROW(d INTE') LIMIT 1;
+----
+INTEGER	73