feat(tsql)!: Annotate inverse trigonometric functions for TSQL (#6865)

* feat(tsql)!: Annotate inverse trigonometric functions for TSQL

* A-Z order

Author: AbhishekASLK

sqlglot/typing/tsql.py

@@ -8,6 +8,10 @@
     **{
         expr_type: {"returns": exp.DataType.Type.FLOAT}
         for expr_type in {
+            exp.Acos,
+            exp.Asin,
+            exp.Atan,
+            exp.Atan2,
             exp.Cos,
             exp.Cot,
             exp.Sin,

tests/fixtures/optimizer/annotate_functions.sql

@@ -5500,6 +5500,46 @@ FLOAT;
 COT(tbl.float_col);
 FLOAT;
 
+# dialect: tsql
+ATN2(tbl.int_col, tbl.int_col);
+FLOAT;
+
+# dialect: tsql
+ATN2(tbl.int_col, tbl.float_col);
+FLOAT;
+
+# dialect: tsql
+ATN2(tbl.float_col, tbl.int_col);
+FLOAT;
+
+# dialect: tsql
+ATN2(tbl.float_col, tbl.float_col);
+FLOAT;
+
+# dialect: tsql 
+ASIN(tbl.int_col);
+FLOAT;
+
+# dialect: tsql 
+ASIN(tbl.float_col);
+FLOAT;
+
+# dialect: tsql 
+ACOS(tbl.int_col);
+FLOAT;
+
+# dialect: tsql 
+ACOS(tbl.float_col);
+FLOAT;
+
+# dialect: tsql 
+ATAN(tbl.int_col);
+FLOAT;
+
+# dialect: tsql 
+ATAN(tbl.float_col);
+FLOAT;
+
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 -- MySQL
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