Available in versions: Dev (3.20) | Latest (3.19) | 3.18 | 3.17 | 3.16 | 3.15

SUBSTRING_INDEX

Applies to ✅ Open Source Edition   ✅ Express Edition   ✅ Professional Edition   ✅ Enterprise Edition

The SUBSTRING_INDEX() function gets a substring of a string, from the beginning until the nth occurrence of a delimiter.

SELECT
  substring_index('a,b,c,d', ',', 2),
  substring_index('a,b,c,d', ',', 3);
create.select(
  substringIndex(val("a,b,c,d"), ",", 2),
  substringIndex(val("a,b,c,d"), ",", 3)).fetch();

The result being

+-----------------+-----------------+
| substring_index | substring_index |
+-----------------+-----------------+
| a,b             | a,b,c           |
+-----------------+-----------------+

Dialect support

This example using jOOQ:

substringIndex(val("a,b,c,d"), ",", 3)

Translates to the following dialect specific expressions:

Aurora MySQL, MariaDB, MemSQL, MySQL

substring_index('a,b,c,d', ',', 3)

DB2, Oracle

coalesce(
  substr(
    'a,b,c,d',
    1,
    (nullif(
      instr('a,b,c,d', ',', 1, 3),
      0
    ) - 1)
  ),
  'a,b,c,d'
)

Vertica

coalesce(
  substring(
    'a,b,c,d',
    1,
    (nullif(
      instr('a,b,c,d', ',', 1, 3),
      0
    ) - 1)
  ),
  'a,b,c,d'
)

ASE, Access, Aurora Postgres, BigQuery, CockroachDB, Derby, DuckDB, Exasol, Firebird, H2, HSQLDB, Hana, Informix, Postgres, Redshift, SQLDataWarehouse, SQLServer, SQLite, Snowflake, Sybase, Teradata, Trino, YugabyteDB

/* UNSUPPORTED */

(These are currently generated with jOOQ 3.20, see #10141), or translate your own on our website

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