Operators¶
Numerical Operators¶
+
¶
Addition
> SELECT 1 + 2;
+---------------------+
| Int64(1) + Int64(2) |
+---------------------+
| 3 |
+---------------------+
-
¶
Subtraction
> SELECT 4 - 3;
+---------------------+
| Int64(4) - Int64(3) |
+---------------------+
| 1 |
+---------------------+
*
¶
Multiplication
> SELECT 2 * 3;
+---------------------+
| Int64(2) * Int64(3) |
+---------------------+
| 6 |
+---------------------+
/
¶
Division (integer division truncates toward zero)
> SELECT 8 / 4;
+---------------------+
| Int64(8) / Int64(4) |
+---------------------+
| 2 |
+---------------------+
%
¶
Modulo (remainder)
> SELECT 7 % 3;
+---------------------+
| Int64(7) % Int64(3) |
+---------------------+
| 1 |
+---------------------+
Comparison Operators¶
=
¶
Equal
> SELECT 1 = 1;
+---------------------+
| Int64(1) = Int64(1) |
+---------------------+
| true |
+---------------------+
!=
¶
Not Equal
> SELECT 1 != 2;
+----------------------+
| Int64(1) != Int64(2) |
+----------------------+
| true |
+----------------------+
<
¶
Less Than
> SELECT 3 < 4;
+---------------------+
| Int64(3) < Int64(4) |
+---------------------+
| true |
+---------------------+
<=
¶
Less Than or Equal To
> SELECT 3 <= 3;
+----------------------+
| Int64(3) <= Int64(3) |
+----------------------+
| true |
+----------------------+
>
¶
Greater Than
> SELECT 6 > 5;
+---------------------+
| Int64(6) > Int64(5) |
+---------------------+
| true |
+---------------------+
>=
¶
Greater Than or Equal To
> SELECT 5 >= 5;
+----------------------+
| Int64(5) >= Int64(5) |
+----------------------+
| true |
+----------------------+
IS DISTINCT FROM
¶
Guarantees the result of a comparison is true
or false
and not an empty set
> SELECT 0 IS DISTINCT FROM NULL;
+--------------------------------+
| Int64(0) IS DISTINCT FROM NULL |
+--------------------------------+
| true |
+--------------------------------+
IS NOT DISTINCT FROM
¶
The negation of IS DISTINCT FROM
> SELECT NULL IS NOT DISTINCT FROM NULL;
+--------------------------------+
| NULL IS NOT DISTINCT FROM NULL |
+--------------------------------+
| true |
+--------------------------------+
~
¶
Regex Match
> SELECT 'datafusion' ~ '^datafusion(-cli)*';
+-------------------------------------------------+
| Utf8("datafusion") ~ Utf8("^datafusion(-cli)*") |
+-------------------------------------------------+
| true |
+-------------------------------------------------+
~*
¶
Regex Case-Insensitive Match
> SELECT 'datafusion' ~* '^DATAFUSION(-cli)*';
+--------------------------------------------------+
| Utf8("datafusion") ~* Utf8("^DATAFUSION(-cli)*") |
+--------------------------------------------------+
| true |
+--------------------------------------------------+
!~
¶
Not Regex Match
> SELECT 'datafusion' !~ '^DATAFUSION(-cli)*';
+--------------------------------------------------+
| Utf8("datafusion") !~ Utf8("^DATAFUSION(-cli)*") |
+--------------------------------------------------+
| true |
+--------------------------------------------------+
!~*
¶
Not Regex Case-Insensitive Match
> SELECT 'datafusion' !~* '^DATAFUSION(-cli)+';
+---------------------------------------------------+
| Utf8("datafusion") !~* Utf8("^DATAFUSION(-cli)+") |
+---------------------------------------------------+
| true |
+---------------------------------------------------+
~~
¶
Like Match
SELECT 'datafusion' ~~ 'dat_f%n';
+---------------------------------------+
| Utf8("datafusion") ~~ Utf8("dat_f%n") |
+---------------------------------------+
| true |
+---------------------------------------+
~~*
¶
Case-Insensitive Like Match
SELECT 'datafusion' ~~* 'Dat_F%n';
+----------------------------------------+
| Utf8("datafusion") ~~* Utf8("Dat_F%n") |
+----------------------------------------+
| true |
+----------------------------------------+
!~~
¶
Not Like Match
SELECT 'datafusion' !~~ 'Dat_F%n';
+----------------------------------------+
| Utf8("datafusion") !~~ Utf8("Dat_F%n") |
+----------------------------------------+
| true |
+----------------------------------------+
!~~*
¶
Not Case-Insensitive Like Match
SELECT 'datafusion' !~~* 'Dat%F_n';
+-----------------------------------------+
| Utf8("datafusion") !~~* Utf8("Dat%F_n") |
+-----------------------------------------+
| true |
+-----------------------------------------+
Logical Operators¶
AND
¶
Logical And
> SELECT true AND true;
+---------------------------------+
| Boolean(true) AND Boolean(true) |
+---------------------------------+
| true |
+---------------------------------+
OR
¶
Logical Or
> SELECT false OR true;
+---------------------------------+
| Boolean(false) OR Boolean(true) |
+---------------------------------+
| true |
+---------------------------------+
Bitwise Operators¶
&
¶
Bitwise And
> SELECT 5 & 3;
+---------------------+
| Int64(5) & Int64(3) |
+---------------------+
| 1 |
+---------------------+
|
¶
Bitwise Or
> SELECT 5 | 3;
+---------------------+
| Int64(5) | Int64(3) |
+---------------------+
| 7 |
+---------------------+
#
¶
Bitwise Xor (interchangeable with ^
)
> SELECT 5 # 3;
+---------------------+
| Int64(5) # Int64(3) |
+---------------------+
| 6 |
+---------------------+
>>
¶
Bitwise Shift Right
> SELECT 5 >> 3;
+----------------------+
| Int64(5) >> Int64(3) |
+----------------------+
| 0 |
+----------------------+
<<
¶
Bitwise Shift Left
> SELECT 5 << 3;
+----------------------+
| Int64(5) << Int64(3) |
+----------------------+
| 40 |
+----------------------+
Other Operators¶
||
¶
String Concatenation
> SELECT 'Hello, ' || 'DataFusion!';
+----------------------------------------+
| Utf8("Hello, ") || Utf8("DataFusion!") |
+----------------------------------------+
| Hello, DataFusion! |
+----------------------------------------+
@>
¶
Array Contains
> SELECT make_array(1,2,3) @> make_array(1,3);
+-------------------------------------------------------------------------+
| make_array(Int64(1),Int64(2),Int64(3)) @> make_array(Int64(1),Int64(3)) |
+-------------------------------------------------------------------------+
| true |
+-------------------------------------------------------------------------+
<@
¶
Array Is Contained By
> SELECT make_array(1,3) <@ make_array(1,2,3);
+-------------------------------------------------------------------------+
| make_array(Int64(1),Int64(3)) <@ make_array(Int64(1),Int64(2),Int64(3)) |
+-------------------------------------------------------------------------+
| true |
+-------------------------------------------------------------------------+