Merge pull request apache#57 from zhouyuan/wip_cast

[C++][Gandiva] Support more types for Cast

Author: zhouyuan

cpp/src/gandiva/function_registry_arithmetic.cc

@@ -37,8 +37,13 @@ std::vector<NativeFunction> GetArithmeticFunctionRegistry() {
   static std::vector<NativeFunction> arithmetic_fn_registry_ = {
       UNARY_SAFE_NULL_IF_NULL(not, {}, boolean, boolean),
       UNARY_SAFE_NULL_IF_NULL(castBIGINT, {}, int32, int64),
+      UNARY_SAFE_NULL_IF_NULL(castBIGINT, {}, float32, int64),
+      UNARY_SAFE_NULL_IF_NULL(castBIGINT, {}, float64, int64),
+      UNARY_SAFE_NULL_IF_NULL(castBIGINT, {}, date64, int64),
       UNARY_SAFE_NULL_IF_NULL(castINT, {}, int64, int32),
       UNARY_SAFE_NULL_IF_NULL(castINT, {}, date32, int32),
+      UNARY_SAFE_NULL_IF_NULL(castINT, {}, float32, int32),
+      UNARY_SAFE_NULL_IF_NULL(castINT, {}, float64, int32),
       UNARY_SAFE_NULL_IF_NULL(castBIGINT, {}, decimal128, int64),
 
       // cast to float32

cpp/src/gandiva/precompiled/arithmetic_ops.cc

@@ -106,8 +106,13 @@ NUMERIC_DATE_TYPES(BINARY_RELATIONAL, greater_than_or_equal_to, >=)
   }
 
 CAST_UNARY(castBIGINT, int32, int64)
+CAST_UNARY(castBIGINT, date64, int64)
+CAST_UNARY(castBIGINT, float32, int64)
+CAST_UNARY(castBIGINT, float64, int64)
 CAST_UNARY(castINT, int64, int32)
 CAST_UNARY(castINT, date32, int32)
+CAST_UNARY(castINT, float32, int32)
+CAST_UNARY(castINT, float64, int32)
 CAST_UNARY(castFLOAT4, int32, float32)
 CAST_UNARY(castFLOAT4, int64, float32)
 CAST_UNARY(castFLOAT8, int32, float64)