Scalar Functions Support Status
Out of 357 scalar functions in Spark 3.5, Gluten currently fully supports 229 functions and partially supports 13 functions.
Array Functions
| Spark Functions | Spark Expressions | Status | Restrictions |
| array | CreateArray | S | |
| array_append | ArrayAppend | | |
| array_compact | ArrayCompact | | |
| array_contains | ArrayContains | S | |
| array_distinct | ArrayDistinct | S | |
| array_except | ArrayExcept | S | |
| array_insert | ArrayInsert | S | |
| array_intersect | ArrayIntersect | S | |
| array_join | ArrayJoin | S | |
| array_max | ArrayMax | S | |
| array_min | ArrayMin | S | |
| array_position | ArrayPosition | S | |
| array_prepend | ArrayPrepend | | |
| array_remove | ArrayRemove | S | |
| array_repeat | ArrayRepeat | S | |
| array_union | ArrayUnion | | |
| arrays_overlap | ArraysOverlap | S | |
| arrays_zip | ArraysZip | S | |
| flatten | Flatten | S | |
| get | Get | | |
| sequence | Sequence | S | |
| shuffle | Shuffle | S | |
| slice | Slice | S | |
| sort_array | SortArray | S | |
Bitwise Functions
| Spark Functions | Spark Expressions | Status | Restrictions |
| & | BitwiseAnd | S | |
| ^ | BitwiseXor | S | |
| bit_count | BitwiseCount | S | |
| bit_get | BitwiseGet | S | |
| getbit | BitwiseGet | S | |
| shiftright | ShiftRight | S | |
| shiftrightunsigned | ShiftRightUnsigned | S | |
| | | BitwiseOr | S | |
| ~ | BitwiseNot | S | |
Collection Functions
| Spark Functions | Spark Expressions | Status | Restrictions |
| array_size | ArraySize | | |
| cardinality | Size | S | |
| concat | Concat | S | |
| reverse | Reverse | S | |
| size | Size | S | |
Conditional Functions
| Spark Functions | Spark Expressions | Status | Restrictions |
| coalesce | Coalesce | S | |
| if | If | S | |
| ifnull | Nvl | | |
| nanvl | NaNvl | S | |
| nullif | NullIf | | |
| nvl | Nvl | | |
| nvl2 | Nvl2 | | |
| when | CaseWhen | S | |
Conversion Functions
| Spark Functions | Spark Expressions | Status | Restrictions |
| bigint | | S | |
| binary | | S | |
| boolean | | S | |
| cast | Cast | S | |
| date | | S | |
| decimal | | S | |
| double | | S | |
| float | | S | |
| int | | S | |
| smallint | | S | |
| string | | S | |
| timestamp | | S | |
| tinyint | | S | |
Csv Functions
| Spark Functions | Spark Expressions | Status | Restrictions |
| from_csv | CsvToStructs | | |
| schema_of_csv | SchemaOfCsv | | |
| to_csv | StructsToCsv | | |
Date and Timestamp Functions
| Spark Functions | Spark Expressions | Status | Restrictions |
| add_months | AddMonths | S | |
| convert_timezone | ConvertTimezone | | |
| curdate | CurDateExpressionBuilder | | |
| current_date | CurrentDate | | |
| current_timestamp | CurrentTimestamp | | |
| current_timezone | CurrentTimeZone | | |
| date_add | DateAdd | S | |
| date_diff | DateDiff | S | |
| date_format | DateFormatClass | S | |
| date_from_unix_date | DateFromUnixDate | S | |
| date_part | DatePartExpressionBuilder | | |
| date_sub | DateSub | S | |
| date_trunc | TruncTimestamp | S | |
| dateadd | DateAdd | S | |
| datediff | DateDiff | S | |
| datepart | DatePartExpressionBuilder | | |
| day | DayOfMonth | S | |
| dayofmonth | DayOfMonth | S | |
| dayofweek | DayOfWeek | S | |
| dayofyear | DayOfYear | S | |
| extract | Extract | S | |
| from_unixtime | FromUnixTime | S | |
| from_utc_timestamp | FromUTCTimestamp | S | |
| hour | Hour | S | |
| last_day | LastDay | S | |
| localtimestamp | LocalTimestamp | | |
| make_date | MakeDate | S | |
| make_dt_interval | MakeDTInterval | | |
| make_interval | MakeInterval | | |
| make_timestamp | MakeTimestamp | S | |
| make_timestamp_ltz | MakeTimestampLTZExpressionBuilder | | |
| make_timestamp_ntz | MakeTimestampNTZExpressionBuilder | | |
| make_ym_interval | MakeYMInterval | S | |
| minute | Minute | S | |
| month | Month | S | |
| months_between | MonthsBetween | S | |
| next_day | NextDay | S | |
| now | Now | | |
| quarter | Quarter | S | |
| second | Second | S | |
| session_window | SessionWindow | | |
| timestamp_micros | MicrosToTimestamp | S | |
| timestamp_millis | MillisToTimestamp | S | |
| timestamp_seconds | SecondsToTimestamp | | |
| to_date | ParseToDate | | |
| to_timestamp | ParseToTimestamp | | |
| to_timestamp_ltz | ParseToTimestampLTZExpressionBuilder | | |
| to_timestamp_ntz | ParseToTimestampNTZExpressionBuilder | | |
| to_unix_timestamp | ToUnixTimestamp | S | |
| to_utc_timestamp | ToUTCTimestamp | S | |
| trunc | TruncDate | | |
| try_to_timestamp | TryToTimestampExpressionBuilder | | |
| unix_date | UnixDate | S | |
| unix_micros | UnixMicros | S | |
| unix_millis | UnixMillis | S | |
| unix_seconds | UnixSeconds | S | |
| unix_timestamp | UnixTimestamp | S | |
| weekday | WeekDay | S | |
| weekofyear | WeekOfYear | S | |
| window | TimeWindow | | |
| window_time | WindowTime | | |
| year | Year | S | |
Hash Functions
| Spark Functions | Spark Expressions | Status | Restrictions |
| crc32 | Crc32 | S | |
| hash | Murmur3Hash | S | |
| md5 | Md5 | S | |
| sha | Sha1 | S | |
| sha1 | Sha1 | S | |
| sha2 | Sha2 | S | |
| xxhash64 | XxHash64 | S | |
JSON Functions
| Spark Functions | Spark Expressions | Status | Restrictions |
| from_json | JsonToStructs | | |
| get_json_object | GetJsonObject | S | |
| json_array_length | LengthOfJsonArray | S | |
| json_object_keys | JsonObjectKeys | | |
| json_tuple | JsonTuple | S | |
| schema_of_json | SchemaOfJson | | |
| to_json | StructsToJson | | |
Lambda Functions
| Spark Functions | Spark Expressions | Status | Restrictions |
| aggregate | ArrayAggregate | S | |
| array_sort | ArraySort | S | |
| exists | ArrayExists | S | |
| filter | ArrayFilter | S | |
| forall | ArrayForAll | S | |
| map_filter | MapFilter | | |
| map_zip_with | MapZipWith | S | |
| reduce | ArrayAggregate | S | |
| transform | ArrayTransform | S | |
| transform_keys | TransformKeys | S | |
| transform_values | TransformValues | S | |
| zip_with | ZipWith | S | |
Map Functions
| Spark Functions | Spark Expressions | Status | Restrictions |
| element_at | ElementAt | S | |
| map | CreateMap | PS | |
| map_concat | MapConcat | | |
| map_contains_key | MapContainsKey | | |
| map_entries | MapEntries | S | |
| map_from_arrays | MapFromArrays | S | |
| map_from_entries | MapFromEntries | | |
| map_keys | MapKeys | S | |
| map_values | MapValues | S | |
| str_to_map | StringToMap | S | |
| try_element_at | TryElementAt | | |
Mathematical Functions
| Spark Functions | Spark Expressions | Status | Restrictions |
| % | Remainder | S | |
| * | Multiply | S | |
| + | Add | S | |
| - | Subtract | S | |
| / | Divide | S | |
| abs | Abs | S | |
| acos | Acos | S | |
| acosh | Acosh | S | |
| asin | Asin | S | |
| asinh | Asinh | S | |
| atan | Atan | S | |
| atan2 | Atan2 | S | |
| atanh | Atanh | S | |
| bin | Bin | S | |
| bround | BRound | | |
| cbrt | Cbrt | S | |
| ceil | CeilExpressionBuilder | PS | |
| ceiling | CeilExpressionBuilder | PS | |
| conv | Conv | S | |
| cos | Cos | S | |
| cosh | Cosh | S | |
| cot | Cot | S | |
| csc | Csc | S | |
| degrees | ToDegrees | S | |
| div | IntegralDivide | | |
| e | EulerNumber | S | |
| exp | Exp | S | |
| expm1 | Expm1 | S | |
| factorial | Factorial | S | |
| floor | FloorExpressionBuilder | PS | |
| greatest | Greatest | S | |
| hex | Hex | S | |
| hypot | Hypot | S | |
| least | Least | S | |
| ln | Log | S | |
| log | Logarithm | S | |
| log10 | Log10 | S | |
| log1p | Log1p | S | |
| log2 | Log2 | S | |
| mod | Remainder | S | |
| negative | UnaryMinus | S | |
| pi | Pi | S | |
| pmod | Pmod | S | |
| positive | UnaryPositive | S | |
| pow | Pow | S | |
| power | Pow | S | |
| radians | ToRadians | S | |
| rand | Rand | S | |
| randn | Randn | | |
| random | Rand | S | |
| rint | Rint | S | |
| round | Round | S | |
| sec | Sec | S | |
| shiftleft | ShiftLeft | S | |
| sign | Signum | S | |
| signum | Signum | S | |
| sin | Sin | S | |
| sinh | Sinh | S | |
| sqrt | Sqrt | S | |
| tan | Tan | S | |
| tanh | Tanh | S | |
| try_add | TryAdd | PS | |
| try_divide | TryDivide | | |
| try_multiply | TryMultiply | | |
| try_subtract | TrySubtract | | |
| unhex | Unhex | S | |
| width_bucket | WidthBucket | S | |
Misc Functions
| Spark Functions | Spark Expressions | Status | Restrictions |
| aes_decrypt | AesDecrypt | | |
| aes_encrypt | AesEncrypt | | |
| assert_true | AssertTrue | | |
| bitmap_bit_position | BitmapBitPosition | | |
| bitmap_bucket_number | BitmapBucketNumber | | |
| bitmap_count | BitmapCount | | |
| current_catalog | CurrentCatalog | | |
| current_database | CurrentDatabase | | |
| current_schema | CurrentDatabase | | |
| current_user | CurrentUser | | |
| equal_null | EqualNull | | |
| hll_sketch_estimate | HllSketchEstimate | | |
| hll_union | HllUnion | | |
| input_file_block_length | InputFileBlockLength | | |
| input_file_block_start | InputFileBlockStart | | |
| input_file_name | InputFileName | | |
| java_method | CallMethodViaReflection | | |
| monotonically_increasing_id | MonotonicallyIncreasingID | | |
| reflect | CallMethodViaReflection | | |
| spark_partition_id | SparkPartitionID | S | |
| try_aes_decrypt | TryAesDecrypt | | |
| typeof | TypeOf | | |
| user | CurrentUser | | |
| uuid | Uuid | S | |
| version | SparkVersion | S | |
| || | | | |
Predicate Functions
| Spark Functions | Spark Expressions | Status | Restrictions |
| ! | Not | S | |
| != | | | |
| < | LessThan | S | |
| <= | LessThanOrEqual | S | |
| <=> | EqualNullSafe | S | |
| <> | | | |
| = | EqualTo | S | |
| == | EqualTo | S | |
| > | GreaterThan | S | |
| >= | GreaterThanOrEqual | S | |
| and | And | S | |
| between | | | |
| case | | | |
| ilike | ILike | | |
| in | In | PS | |
| isnan | IsNaN | S | |
| isnotnull | IsNotNull | S | |
| isnull | IsNull | S | |
| like | Like | S | |
| not | Not | S | |
| or | Or | S | |
| regexp | RLike | PS | Lookaround unsupported |
| regexp_like | RLike | PS | Lookaround unsupported |
| rlike | RLike | PS | Lookaround unsupported |
String Functions
| Spark Functions | Spark Expressions | Status | Restrictions |
| ascii | Ascii | S | |
| base64 | Base64 | S | |
| bit_length | BitLength | S | |
| btrim | StringTrimBoth | | |
| char | Chr | S | |
| char_length | Length | S | |
| character_length | Length | S | |
| chr | Chr | S | |
| concat_ws | ConcatWs | S | |
| contains | ContainsExpressionBuilder | S | |
| decode | Decode | | |
| elt | Elt | | |
| encode | Encode | | |
| endswith | EndsWithExpressionBuilder | | |
| find_in_set | FindInSet | S | |
| format_number | FormatNumber | | |
| format_string | FormatString | S | |
| initcap | InitCap | S | |
| instr | StringInstr | S | |
| lcase | Lower | S | |
| left | Left | S | |
| len | Length | S | |
| length | Length | S | |
| levenshtein | Levenshtein | S | |
| locate | StringLocate | S | |
| lower | Lower | S | |
| lpad | LPadExpressionBuilder | S | |
| ltrim | StringTrimLeft | S | |
| luhn_check | Luhncheck | | |
| mask | MaskExpressionBuilder | S | |
| octet_length | OctetLength | | |
| overlay | Overlay | S | |
| position | StringLocate | S | |
| printf | FormatString | S | |
| regexp_count | RegExpCount | | |
| regexp_extract | RegExpExtract | PS | Lookaround unsupported |
| regexp_extract_all | RegExpExtractAll | PS | Lookaround unsupported |
| regexp_instr | RegExpInStr | | |
| regexp_replace | RegExpReplace | PS | Lookaround unsupported |
| regexp_substr | RegExpSubStr | | |
| repeat | StringRepeat | S | |
| replace | StringReplace | S | |
| right | Right | | |
| rpad | RPadExpressionBuilder | S | |
| rtrim | StringTrimRight | S | |
| sentences | Sentences | | |
| soundex | SoundEx | S | |
| space | StringSpace | S | |
| split | StringSplit | S | |
| split_part | SplitPart | S | |
| startswith | StartsWithExpressionBuilder | | |
| substr | Substring | S | |
| substring | Substring | S | |
| substring_index | SubstringIndex | S | |
| to_binary | ToBinary | | |
| to_char | ToCharacter | | |
| to_number | ToNumber | | |
| to_varchar | ToCharacter | | |
| translate | StringTranslate | S | |
| trim | StringTrim | S | |
| try_to_binary | TryToBinary | | |
| try_to_number | TryToNumber | | |
| ucase | Upper | S | |
| unbase64 | UnBase64 | | |
| upper | Upper | S | |
Struct Functions
| Spark Functions | Spark Expressions | Status | Restrictions |
| named_struct | CreateNamedStruct | S | |
| struct | | S | |
URL Functions
| Spark Functions | Spark Expressions | Status | Restrictions |
| parse_url | ParseUrl | | |
| url_decode | UrlDecode | PS | |
| url_encode | UrlEncode | PS | |
XML Functions
| Spark Functions | Spark Expressions | Status | Restrictions |
| xpath | XPathList | | |
| xpath_boolean | XPathBoolean | | |
| xpath_double | XPathDouble | | |
| xpath_float | XPathFloat | | |
| xpath_int | XPathInt | | |
| xpath_long | XPathLong | | |
| xpath_number | XPathDouble | | |
| xpath_short | XPathShort | | |
| xpath_string | XPathString | | |