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指定した区切り文字で文字列を分割し、分割結果を配列として返します。

関連項目: SPLIT_PART

func.split('<input_string>', '<delimiter>')
func.split('PlaidCloud Lakehouse', ' ')
┌─────────────────────────────────────────┐
│ func.split('PlaidCloud Lakehouse', ' ') │
├─────────────────────────────────────────┤
│ ['PlaidCloud Lakehouse'] │
└─────────────────────────────────────────┘
SPLIT('<input_string>', '<delimiter>')

文字列の配列。入力文字列または区切り文字のいずれかが NULL の場合、SPLIT は NULL を返します。

-- Use a space as the delimiter
-- SPLIT returns an array with two parts.
SELECT SPLIT('PlaidCloud Lakehouse', ' ');
split('PlaidCloud Lakehouse', ' ')|
----------------------------------+
['PlaidCloud','Lakehouse'] |
-- Use an empty string as the delimiter or a delimiter that does not exist in the input string
-- SPLIT returns an array containing the entire input string as a single part.
SELECT SPLIT('PlaidCloud Lakehouse', '');
split('databend cloud', '')|
----------------------------------+
['PlaidCloud Lakehouse'] |
SELECT SPLIT('PlaidCloud Lakehouse', ',');
split('databend cloud', ',')|
----------------------------------+
['PlaidCloud Lakehouse'] |
-- Use ' ' (tab) as the delimiter
-- SPLIT returns an array with timestamp, log level, and message.
SELECT SPLIT('2023-10-19 15:30:45 INFO Log message goes here', ' ');
split('2023-10-19 15:30:45\tinfo\tlog message goes here', '\t')|
---------------------------------------------------------------+
['2023-10-19 15:30:45','INFO','Log message goes here'] |