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SPLIT_PART
Applies to ✅ Open Source Edition ✅ Express Edition ✅ Professional Edition ✅ Enterprise Edition
The SPLIT_PART() function splits a string into substrings and retrieves the nth part, starting from 1.
SELECT split_part('a,b,c', ',', 2);
create.select(splitPart(val("a,b,c"), ",", 2)).fetch();
The result being
+------------+ | split_part | +------------+ | b | +------------+
Dialect support
This example using jOOQ:
splitPart(val("a,b,c"), ",", 2)
Translates to the following dialect specific expressions:
-- AURORA_MYSQL, MARIADB, MEMSQL, MYSQL
substring(
substring_index('a,b,c', ',', 2),
CASE 2
WHEN 1 THEN 1
ELSE (char_length(substring_index(
'a,b,c',
',',
(2 - 1)
)) + char_length(',') + 1)
END
)
-- AURORA_POSTGRES, COCKROACHDB, POSTGRES, REDSHIFT, SNOWFLAKE, TRINO, VERTICA, YUGABYTEDB
split_part('a,b,c', ',', 2)
-- BIGQUERY
split('a,b,c', ',')[ORDINAL(2)]
-- DB2, ORACLE
coalesce(
substr(
'a,b,c',
nullif(
decode(
2,
1,
1,
(nullif(
instr(
'a,b,c',
',',
1,
nullif(
(2 - 1),
0
)
),
0
) + length(','))
),
(length('a,b,c') + 1)
),
coalesce(
(nullif(
instr('a,b,c', ',', 1, 2),
0
) - decode(
2,
1,
1,
(nullif(
instr(
'a,b,c',
',',
1,
nullif(
(2 - 1),
0
)
),
0
) + length(','))
)),
((length('a,b,c') - nullif(
instr(
'a,b,c',
',',
1,
nullif(
(2 - 1),
0
)
),
0
)) - (length(',') - 1))
)
),
''
)
-- DUCKDB
(str_split('a,b,c', ','))[2]
-- SQLSERVER
coalesce(
(
SELECT value
FROM string_split('a,b,c', ',', 1)
WHERE ordinal = 2
),
''
)
-- TERADATA
strtok('a,b,c', ',', 2)
-- ACCESS, ASE, DERBY, EXASOL, FIREBIRD, H2, HANA, HSQLDB, INFORMIX, SQLDATAWAREHOUSE, SQLITE, SYBASE
/* UNSUPPORTED */
(These are currently generated with jOOQ 3.19, see #10141), or translate your own on our website
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