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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 -- ACCESS, ASE, AURORA_MYSQL, BIGQUERY, DB2, DERBY, DUCKDB, EXASOL, FIREBIRD, H2, HANA, HSQLDB, INFORMIX, MARIADB, MEMSQL, -- MYSQL, SQLDATAWAREHOUSE, SQLITE, SQLSERVER, SYBASE, TERADATA, TRINO, VERTICA, YUGABYTEDB /* UNSUPPORTED */
(These are currently generated with jOOQ 3.19, see #10141), or translate your own on our website
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