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

This documentation is for the unreleased development version of jOOQ. Click on the above version links to get this documentation for a supported version of jOOQ.


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

This function returns the Nth point (1-based) of a linestring geometry. For example:

create.select(stPointN(stGeomFromText("LINESTRING (0 0, 0 1, 1 1, 1 2)"), 2)).fetch();

The result being, for example

| ST_PointN   |
| POINT (0 1) |

Or, visually:

To get the total number of points, use ST_NumPoints.

Dialect support

This example using jOOQ:

stPointN(geometry, 2)

Translates to the following dialect specific expressions:

Aurora MySQL, Aurora Postgres, CockroachDB, MariaDB, MySQL, Oracle, Postgres, Redshift, Snowflake

st_pointn(geometry, 2)



ASE, Access, BigQuery, ClickHouse, DB2, Derby, DuckDB, Exasol, Firebird, H2, HSQLDB, Hana, Informix, MemSQL, SQLDataWarehouse, SQLite, Sybase, Teradata, Trino, Vertica, YugabyteDB


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

References to this page


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