ST_Z
Applies to ❌ Open Source Edition ✅ Express Edition ✅ Professional Edition ✅ Enterprise Edition
This function extracts the Z coordinate of a point. For example:
create.select(stZ(stGeomFromText("POINT (0 0 1)"))).fetch();
The result being, for example
+------+ | ST_Z | +------+ | 1 | +------+
Dialect support
This example using jOOQ:
stZ(geometry)
Translates to the following dialect specific expressions:
Aurora Postgres, CockroachDB, Postgres, Redshift, Snowflake
st_z(geometry)
Oracle
(geometry).sdo_point.z
ASE, Access, Aurora MySQL, BigQuery, ClickHouse, DB2, Derby, DuckDB, Exasol, Firebird, H2, HSQLDB, Hana, Informix, MariaDB, MemSQL, MySQL, SQLDataWarehouse, SQLServer, SQLite, Sybase, Teradata, Trino, Vertica, YugabyteDB
/* UNSUPPORTED */
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