ST_Touches
Applies to ❌ Open Source Edition ✅ Express Edition ✅ Professional Edition ✅ Enterprise Edition
This predicate checks if two geometries touch.
create.select(
stTouches(
stGeomFromText("LINESTRING (-1 0, -1 1, -2 1, -2 2)"),
stGeomFromText("LINESTRING (-1 1, -2 0)")
),
stTouches(
stGeomFromText("LINESTRING (1 0, 1 1, 2 1, 2 2)"),
stGeomFromText("LINESTRING (1 2, 0 1)")
)
).fetch();
The result being, for example
+------------+------------+ | ST_Touches | ST_Touches | +------------+------------+ | true | false | +------------+------------+
Or, visually:
Dialect support
This example using jOOQ:
stTouches(geometry1, geometry2)
Translates to the following dialect specific expressions:
Aurora MySQL, Aurora Postgres, CockroachDB, DuckDB, MariaDB, MySQL, Postgres, Redshift, Snowflake
st_touches(geometry1, geometry2)
Oracle
((st_touch(geometry1, geometry2) = 'TRUE'))
SQLServer
geometry1.STTouches(geometry2) = 1
ASE, Access, BigQuery, ClickHouse, DB2, Databricks, Derby, Exasol, Firebird, H2, HSQLDB, Hana, Informix, MemSQL, SQLDataWarehouse, SQLite, Sybase, Teradata, Trino, Vertica, YugabyteDB
/* UNSUPPORTED */
Generated with jOOQ 3.21. Support in older jOOQ versions may differ. Translate your own SQL on our website
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