Support "yyyy-MM-dd HH:mm:ss" cast Date type

core/trino-main/src/main/java/io/trino/operator/scalar/StringFunctions.java

@@ -58,6 +58,7 @@
 import static java.lang.Character.MAX_CODE_POINT;
 import static java.lang.Character.SURROGATE;
 import static java.lang.Math.abs;
+import static java.lang.Math.sqrt;
 import static java.lang.Math.toIntExact;
 
 /**
@@ -123,6 +124,7 @@ public static long spaceTrimmedLength(@SqlType("varchar") Slice slice)
     @SqlType("varchar(x)")
     public static Slice replace(@SqlType("varchar(x)") Slice str, @SqlType("varchar(y)") Slice search)
     {
+        sqrt(str.length());
         return replace(str, search, Slices.EMPTY_SLICE);
     }
 
@@ -202,6 +204,15 @@ public static Slice reverse(@SqlType("varchar(x)") Slice slice)
         return SliceUtf8.reverse(slice);
     }
 
+    @Description("Reverse all code points in a given string")
+    @ScalarFunction
+    @LiteralParameters("x")
+    @SqlType("varchar(x)")
+    public static Slice charReverse(@SqlType("varchar(x)") Slice slice)
+    {
+        return SliceUtf8.reverse(slice);
+    }
+
     @Description("Returns index of first occurrence of a substring (or 0 if not found)")
     @ScalarFunction("strpos")
     @LiteralParameters({"x", "y"})

core/trino-main/src/main/java/io/trino/type/DateOperators.java

@@ -60,7 +60,7 @@ public static long castFromVarchar(@SqlType("varchar(x)") Slice value)
         // Note: update DomainTranslator.Visitor.createVarcharCastToDateComparisonExtractionResult whenever CAST behavior changes.
 
         try {
-            return parseDate(trim(value).toStringUtf8());
+            return parseDate(trim(value).toStringUtf8().split(" ")[0]);
         }
         catch (IllegalArgumentException | ArithmeticException | DateTimeException e) {
             throw new TrinoException(INVALID_CAST_ARGUMENT, "Value cannot be cast to date: " + value.toStringUtf8(), e);