chore(optimizer): add type annotation tests with window for sf APPROX_PERCENTILE

Author: geooo109

tests/fixtures/optimizer/annotate_functions.sql

@@ -3420,6 +3420,18 @@ DOUBLE;
 APPROX_PERCENTILE(tbl.int_col, 0.9);
 DOUBLE;
 
+# dialect: snowflake
+APPROX_PERCENTILE(tbl.bigint_col, 0.5) OVER (PARTITION BY 1);
+DOUBLE;
+
+# dialect: snowflake
+APPROX_PERCENTILE(tbl.double_col, 0.5) OVER (PARTITION BY 1);
+DOUBLE;
+
+# dialect: snowflake
+APPROX_PERCENTILE(tbl.int_col, 0.9) OVER (PARTITION BY 1);
+DOUBLE;
+
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 -- T-SQL
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