Overview¶
The following table lists the functions provided by DLI, such as decode1, javahash, and max_pt.
Syntax  | Value Type  | Description  | 
|---|---|---|
decode1(<expression>, <search>, <result>[, <search>, <result>]...[, <default>])  | Data type of the argument  | Implements if-then-else branch selection.  | 
javahash(string a)  | STRING  | Returns a hash value.  | 
max_pt(<table_full_name>)  | STRING  | Returns the name of the largest level-1 partition that contains data in a partitioned table and reads the data of this partition.  | 
ordinal(bigint <nth>, <var1>, <var2>[,...])  | DOUBLE or DATETIME  | Sorts input variables in ascending order and returns the value at the position specified by nth.  | 
trans_array (<num_keys>, <separator>, <key1>,<key2>,…,<col1>,<col2>,<col3>) as (<key1>,<key2>,...,<col1>, <col2>)  | Data type of the argument  | Converts an array split by a fixed separator in a column into multiple rows.  | 
trunc_numeric(<number>[, bigint<decimal_places>])  | DOUBLE or DECIMAL  | Truncates the number value to a specified decimal place.  | 
url_decode(string <input>[, string <encoding>])  | STRING  | Converts a string from the application/x-www-form-urlencoded MIME format to regular characters.  | 
url_encode(string <input>[, string <encoding>])  | STRING  | Encodes a string in the application/x-www-form-urlencoded MIME format.  |