ST_ASEWKB (Lakehouse v1)
Converts a GEOMETRY object into a EWKB(extended well-known-binary) format representation.
SQL Syntax
Section titled “SQL Syntax”ST_ASEWKB(<geometry>)Arguments
Section titled “Arguments”| Arguments | Description |
|---|---|
<geometry> | The argument must be an expression of type GEOMETRY. |
Return Type
Section titled “Return Type”Binary.
SQL Examples
Section titled “SQL Examples”SELECT ST_ASEWKB( ST_GEOMETRYFROMWKT( 'SRID=4326;LINESTRING(400000 6000000, 401000 6010000)' ) ) AS pipeline_ewkb;
┌────────────────────────────────────────────────────────────────────────────────────────────┐│ pipeline_ewkb │├────────────────────────────────────────────────────────────────────────────────────────────┤│ 0102000020E61000000200000000000000006A18410000000060E3564100000000A07918410000000024ED5641 │└────────────────────────────────────────────────────────────────────────────────────────────┘
SELECT ST_ASEWKB( ST_GEOMETRYFROMWKT( 'SRID=4326;POINT(-122.35 37.55)' ) ) AS pipeline_ewkb;
┌────────────────────────────────────────────────────┐│ pipeline_ewkb │├────────────────────────────────────────────────────┤│ 0101000020E61000006666666666965EC06666666666C64240 │└────────────────────────────────────────────────────┘