ST_StartPoint
Applies to ❌ Open Source Edition ✅ Express Edition ✅ Professional Edition ✅ Enterprise Edition
This function returns the first point of a linestring.
create.select(stStartPoint(stGeomFromText("LINESTRING (0 0, 1 1, 2 0, 3 1)"))).fetch();
The result being, for example
+---------------+ | ST_StartPoint | +---------------+ | POINT (0 0) | +---------------+
Or, visually:
Dialect support
This example using jOOQ:
stStartPoint(geometry)
Translates to the following dialect specific expressions:
Aurora MySQL, Aurora Postgres, CockroachDB, DuckDB, MariaDB, MySQL, Postgres, Redshift, Snowflake
st_startpoint(geometry)
Oracle
sdo_lrs.geom_segment_start_pt(geometry)
SQLServer
geometry.STStartPoint()
ASE, Access, BigQuery, ClickHouse, DB2, Derby, Exasol, Firebird, H2, HSQLDB, Hana, Informix, MemSQL, SQLDataWarehouse, SQLite, Sybase, Teradata, Trino, Vertica, YugabyteDB
/* UNSUPPORTED */
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