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SQL Functions

All Functions

Function Name
Description
ABS
Computes the absolute value of a numeric expression.
ACOS
Computes the arccosine (inverse cosine) of a value in radians.
Decrypts a string produced by AES encryption.
Encrypts a string using AES encryption.
Returns the approximate number of unique, non-null values in a column.
Returns whether a list contains a given value.
ASCII
Returns the ASCII code for the first character of a string. If the string is empty, 0 is returned.
ASIN
Computes the arcsine (inverse sine) of a value in radians.
ATAN
Computes the Arctangent (inverse Tangent) of a value.
AVG
Computes the average of a set of values.
BASE64
Returns the Base64 encoding of a binary string.
Converts the input expression to a binary value.
BIT_AND
Returns the bitwise AND of non-NULL input values.
Gets length of bits of the input expression
BIT_OR
Returns the bitwise OR of non-NULL input values.
BOOL_AND
Computes the boolean AND of two boolean expressions. Returns TRUE if both expressions evaluate to TRUE. Returns FALSE if one or both expression(s) evaluate(s) to FALSE.
BOOL_OR
Computes the boolean OR of two boolean expressions. Returns TRUE if one or both expressions evaluate to TRUE. Returns FALSE if both expressions evaluate to FALSE.
BTRIM
Trims leading and trailing characters from a string.
CASE
Evaluates a list of conditions and returns the first resulting true expression. If a true expression is not found, will return the ELSE statement, if present, or else will return NULL.
CAST
Converts a value of one data type to another data type. This function behaves similarly to the TO_<data_type> (i.e. TO_TIMESTAMP) functions.
CBRT
Computes the cube root of a numeric expression
CEILING
Returns the nearest equal or larger value of the input expression. Can also be called using CEIL().
Returns the length of an input string.
Returns the character length of the input string.
CHR
Converts a Unicode code point into the character that matches the input Unicode character. If an invalid code point is specified, an empty string is returned.
COALESCE
Evaluates the arguments in order and returns the value of the first expression that does not contain NULL.
COL_LIKE
Tests whether an expression column matches a pattern column. Comparisons are case-sensitive.
CONCAT
Concatenates two or more strings. NULL values are ignored.
CONCAT_WS
Concatenate with separator. Returns a string resulting from the joining of two or more string values in an end-to-end manner. Uses the first argument as the separator between each string.
Converts a binary string from the given data type to a Spice type.
Converts a binary string to a UTF-8 value and replaces all characters that cannot be converted to UTF-8 with the specified replacement character.
Convert timestamp to the specified timezone.
Converts a value to a binary string of a supported data type.
CORR
Calculates the Pearson correlation coefficient of the values expression1 and expression2. The function name must be enclosed in double quotes (“CORR”).
COS
Computes the cosine of a value in radians
COSH
Computes the hyperbolic cosine of a value in radians.
COT
Computes the cotangent of a value in radians.
COUNT
Returns the total number of records for the specified expression.
COVAR_POP
Returns the population covariance for non-NULL pairs across all input values.
Returns the sample covariance for non-NULL pairs across all input values.
CUME_DIST
Returns the cumulative distribution of the current row with regard to other values within the same window partition.
Returns the current date of the system.
Returns the current date of the system based on the UTC timezone.
Returns the current time for the system.
Returns the current timestamp for the system in UTC time only.
DATEDIFF
Compares two dates or timestamps and returns the difference in days.
DATE_ADD
Returns the sum of two expressions of time as another expression of time.
DATE_DIFF
Returns the difference between two expressions of time as another expression of time.
DATE_PART
Return subfields such as year or hour from date or timestamp values
DATE_SUB
Returns the difference of two expressions of time as another expression of time.
Truncates the date or timestamp to the indicated precision.
DAY
Returns the day of month of the date or timestamp.
Returns the day of month of the date or timestamp.
DAYOFWEEK
Returns the day of the week (from 1 to 7) of the date or timestamp.
DAYOFYEAR
Returns the day of the year (from 1 to 366) of the date or timestamp.
DEGREES
Converts radians to degrees.
Returns the rank of the current row within its partition and ordering. Rows that are equal will have the same rank.
E
Returns Euler’s number, a constant approximately equal to 2.718281828459045.
ENDS_WITH
Returns whether a string ends with another string. The comparison is case-sensitive.
EXP
Calculates Euler’s number, e, raised to the power of the specified value.
EXTRACT
Extracts the specified date or time part from the date or timestamp.
Returns the first value within an ordered group of a result set.
FLATTEN
Explodes compound values into multiple rows. This function takes a LIST column and produces a lateral view (that is, an inline view that contains correlation referring to other tables that precede it in the FROM clause).
FLOOR
Returns the value from the specifed expression rounded to the nearest equal or smaller integer.
FROM_HEX
Returns a binary value for the given hexadecimal string
GREATEST
Returns the largest value from a list of expressions.
HASH
Returns a hash value of the arguments. HASH does not return NULL, even for NULL inputs.
HEX
Returns the hexadecimal encoding of an expression.
HLL
Uses HyperLogLog to return an approximation of the distinct cardinality of the input.
HOUR
Extracts the hour number (from 0 to 23) for a given time or timestamp.
ILIKE
Tests whether an expression matches a pattern. The comparison is case-insensitive.
INITCAP
Returns the input string with the first letter of each word in uppercase and the subsequent letters in the word are in lowercase).
INSTR
Returns the position of the first occurrence of a string when it is contained in another string. If no such occurrence is found, a zero is returned. The comparison is case-sensitive.
Compares two expressions to determine whether they have the same or different values. NULLs are considered as comparable values.
ISFALSE
Tests whether the input expression is false. If it is, returns a value of true.
Determines if an expression is NULL or not NULL. Alias for the function ISNULL/ISNOTNULL.
ISNUMERIC
Determines whether an expression is a valid numeric type (DECIMAL, DOUBLE, INT, BIGINT, VARBINARY).
ISTRUE
Returns TRUE if the input expression evaluates to TRUE.
IS_BIGINT
Returns TRUE if the input expression is an big integer value.
IS_DATE
Returns TRUE if the input expression can be cast to a date.
IS_INT
Returns TRUE if the input expression is an integer value.
IS_MEMBER
Returns whether the current user is a member of the specified role.
IS_UTF8
Returns whether an expression is valid UTF-8
Returns TRUE if the input expression is a varchar value.
LAG
Returns the row before the current one in a partition based on the ORDER BY clause without the need for a self-join. If there are no rows, this function returns NULL.
LAST_DAY
Returns the last day of the month for the specified date or timestamp.
LCASE
Returns the input expression with all the characters converted to lowercase.
LEAD
Returns the row after the current one in the same result set without the need for a self-join. If there are no rows, this function returns NULL.
LEAST
Returns the smallest value from a list of expressions.
LEFT
Returns the left-most substring. The function name must be enclosed in double quotes ("LEFT").
LENGTH
Returns the length of an input string. If the character encoding isn’t specified, it assumes to UTF8.
Computes the Levenshtein distance between two input expressions.
LIKE
Tests whether an expression matches one or more patterns. Comparisons are case-sensitive.
LISTAGG
Concatenates a group of rows into a list of strings and places a separator between them.
LOCATE
Searches for the first occurrence of the first argument in the second argument and if found, returns the position the of the first argument in the second argument. The first character in a string is position 1. Returns 0 if the substring isn’t found in the expression.
LOG
Returns the logarithm of the numeric input expression. If no base is specified, the natural log (ln) will be calculated.
LOG10
Returns the log base 10 of the numeric input expression.
LOWER
Returns the input expression with all the characters converted to lowercase.
LPAD
Left pads a string with spaces or specified characters to reach the number of characters specified as a parameter.
LSHIFT
Shifts the bits of the numeric expression to the left.
LTRIM
Removes leading spaces or characters from a string.
MAP_KEYS
Returns all keys from a map expression.
Returns all values from a map expression.
MASK
Returns a masked version of a string.
Returns a masked version of a string with the first num_chars characters masked. By default, if you do not provide a mask value, the first four characters are masked.
MASK_HASH
Returns a consistent hash value based on the input string. This function returns NULL for non-string types.
Returns a masked version of a string with the last num_chars characters masked. By default, if you do not provide a mask value, the last four characters are masked.
Returns a masked version of a string with the first num_chars characters unmasked. By default, if you do not provide a value, the first four characters are shown.
Returns a masked version of a string with the last num_chars characters unmasked. By default, if you do not provide a value, the last four characters are shown.
MAX
Returns the maximum value among the non-NULL input expressions.
MD5
Computes the MD5 hash value of a string.
MEDIAN
Computes the median of a dataset.
MIN
Returns the minimum value among the non-NULL input expressions.
MINUTE
Extracts the minute number (from 0 to 59) for a given time or timestamp.
MOD
Returns the remainder of the input expression divided by the second input expression.
MONTH
Extracts the month number (from 1 to 12) for a given date or timestamp.
Returns the number of months between two date or timestamp values.
NDV
Returns an approximate distinct value number, similar to COUNT(DISTINCT col). NDV can return results faster than using the combination of COUNT and DISTINCT while using a constant amount of memory, resulting in less memory usage for columns with high cardinality.
NEXT_DAY
Returns the date or timestamp of the first specified day of week that occurs after the input date.
NTILE
Equally splits the rows in each partition into ranked parts specified by the integer value and starting from 1. This function requires the ORDER BY clause.
NULLIF
Compares two expressions. If the values in each expression are equal, returns NULL and, if they are not equal, returns the value of the first expression.
Returns the length of the string in bytes.
Computes a percentile value based on a continuous distribution of the column input.
Computes a specific percentile for sorted values in a column.
Returns the relative rank of the current row in the partition based on the ORDER BY clause. The displayed percentage ranges from 0.0 to 1.0.
PI
Returns the value of pi, which is approximately 3.14592654.
POSITION
Returns the position of the first occurrence of a substring within another string.
POWER
Returns the result of raising the input value to the specified power.
QUARTER
Extracts the quarter number (from 1 to 4) for a given date or timestamp.
QUOTE
Returns a result that can be used as a properly escaped data value in a SQL statement.
RADIANS
Convert a value in degrees to radians
RANDOM
Each call returns a random generated number between 0 and 1 for each row.
RANK
Returns the rank of the current row within its partition and placement order. Rows that are equal have the same rank. However, the count of tied rows is added to the next rank, instead of being incremented by one. The rank value starts at 1 and increases sequentially.
Extracts the first string in expression that matches the REGEXP expression and corresponds to the REGEX group index.
Returns true when the specified regular expression matches values in a column. Otherwise, returns false.
Returns true when the specified regular expression matches values in a column. Otherwise, returns false.
Finds strings that match the given regular expression and replaces the strings with the given string.
Splits an input string by using a regular expression according to a keyword and an integer value.
REPEAT
Builds a string by repeating the input for the specified number of times
REPEATSTR
Repeats the given string n times.
REPLACE
Removes all occurrences of a specified substring and replaces them with another string.
REVERSE
Reverses the order of characters in a string.
RIGHT
Returns the right-most substring. The function name must be enclosed in double quotes (“RIGHT”).
ROUND
Returns the rounded value for the inputted value. If no scale is specified, the closest whole number is returned.
Returns the row number for the current row based on the ORDER BY clause within each partition. Rows containing identical values receive different row numbers.
RPAD
Right pads a string with spaces or specified characters to reach the number of characters specified as a parameter.
RSHIFT
Shifts the bits of the numeric expression to the right.
RTRIM
Removes trailing spaces or characters from a string.
SECOND
Extracts the second number (from 0 to 59) for a given date or timestamp.
SHA
Computes the SHA-1 hash value of a string.
SHA1
Computes the SHA-1 hash value of a string.
SHA256
Computes the 256-bit SHA-2 hash value of a string.
SHA512
Computes the 512-bit SHA-2 hash value of a string.
SIGN
Returns the sign of the input expression.
Tests whether the entire expression matches a pattern.
SIN
Computes the sine of a value.
SINH
Computes the hyperbolic sine of the input expression.
SIZE
Returns the number of entries in a map expression.
SOUNDEX
Returns a string that contains a phonetic representation of the input string.
Splits a given string at a specified character and returns the requested part.
SQRT
Returns the square root of the non-negative numeric expression.
Returns whether a string starts with another string. The comparison is case-sensitive.
STDDEV
Returns the standard deviation of non-NULL values in a column with a numeric data type. If all records inside a group are NULL, returns NULL.
Returns the population standard deviation (square root of variance) of non-NULL values in a column with a numeric data type. If all records inside a group are NULL, returns NULL.
Returns the sample standard deviation (square root of sample variance) of non-NULL values in a column with a numeric data type. If all records inside a group are NULL, returns NULL.
STRPOS
Searches for the first occurrence of the substring in the given expression and returns the position of where the substring begins. Searching binary values is also supported.
SUBSTRING
Returns the portion of the string from the specified base expression starting at the specified characters.
Returns a substring of an expression before the specified number of delimiters occurs.
SUM
Returns the sum of non-NULL input expressions.
TAN
Computes the tangent of a value in radians.
TANH
Computes the hyperbolic tangent of the input expression.
Add (or subtract) an interval of time from a date/timestamp value or column.
Return the amount of time between two date or timestamp values
TOASCII
Converts a string that is encoded in the specified character set to UTF-8.
TO_CHAR
Converts the input expression to a character/string using the specified format.
TO_DATE
Converts the input expressions to the corresponding date.
TO_HEX
Returns a hexadecimal string for the given binary value.
TO_NUMBER
Converts a string into a number (double) in the specified format.
TO_TIME
Converts the input expressions to the corresponding time.
Converts the input expressions to the corresponding timestamp.
TRANSLATE
Translates the base expression from the source characters/expression to the target characters/expression.
TRIM
Removes leading, trailing, or both spaces or characters from a string.
TRUNCATE
Rounds the input expression down the nearest of equal integer depending on the specified number of places before or after the decimal point.
TYPEOF
Reports the type (in string format) of the input expression.
UCASE
Returns the input expression with all the characters converted to uppercase.
UNBASE64
Decodes a Base64-encoded string.
UNHEX
Converts the hexadecimal number into the bytes represented by a number.
Returns the Unix epoch time representation of an ISO 8601 timestamp.
UPPER
Returns the input expression with all the characters converted to uppercase.
VAR_POP
Returns the population variance of non-NULL records.
VAR_SAMP
Returns the sample variance of non-NULL records.
WEEK
Extracts the week number (from 0 to 53) for a given date or timestamp.
Returns the week of year of the date or timestamp.
XOR
Returns the bitwise XOR of two integers.
YEAR
Extracts the year for a given date or timestamp.
Last modified 2mo ago