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ST_NumPoints
Applies to ❌ Open Source Edition ✅ Express Edition ✅ Professional Edition ✅ Enterprise Edition
This function returns the number of points on a linestring geometry.
create.select(stNumPoints(stGeomFromText("LINESTRING (0 0, 0 1, 1 1, 1 2)"))).fetch();
The result being, for example
+--------------+ | ST_NumPoints | +--------------+ | 4 | +--------------+
stNumPoints(geometry)
Translates to the following dialect specific expressions:
Aurora MySQL, Aurora Postgres, CockroachDB, DuckDB, MariaDB, MySQL, Postgres, Redshift, Snowflake
st_numpoints(geometry)
Oracle
st_curve(geometry).st_numpoints()
SQLServer
geometry.STNumPoints()
ASE, Access, BigQuery, ClickHouse, DB2, Databricks, Derby, Exasol, Firebird, H2, HSQLDB, Hana, Informix, MemSQL, SQLDataWarehouse, SQLite, Sybase, Teradata, Trino, Vertica, YugabyteDB
/* UNSUPPORTED */
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