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. |