STR_TO_MAP
Description
Constructs a Map<String, String>
from a string.
tip
This function is supported since version 3.0.6.
Syntax
STR_TO_MAP(<str> [, <pair_delimiter> [, <key_value_delimiter>]])
Parameters
Parameter | Description |
---|---|
<str> | The string to be converted to a map |
<pair_delimiter> | The delimiter for the pairs in the string, default is , |
<key_value_delimiter> | The delimiter for the keys and values in the string, default is : |
Return Value
Returns a Map<String, String>
constructed from a string.
Example
select str_to_map('a=1&b=2&c=3', '&', '=') as map1, str_to_map('x:10|y:20|z:30', '|', ':') as map2;
+-----------------------------+--------------------------------+
| map1 | map2 |
+-----------------------------+--------------------------------+
| {"a":"1", "b":"2", "c":"3"} | {"x":"10", "y":"20", "z":"30"} |
+-----------------------------+--------------------------------+