ST_ASWKB

Introduced or updated: v1.2.436

Converts a GEOMETRY object into a WKB(well-known-binary) format representation.

Syntax

ST_ASWKB(<geometry>)

Aliases

• ST_ASBINARY

Arguments

Arguments	Description
<geometry>	The argument must be an expression of type GEOMETRY.

Return Type

Binary.

Examples

SELECT
  ST_ASWKB(
    ST_GEOMETRYFROMWKT(
      'SRID=4326;LINESTRING(400000 6000000, 401000 6010000)'
    )
  ) AS pipeline_wkb;

┌────────────────────────────────────────────────────────────────────────────────────┐
│                                    pipeline_wkb                                    │
├────────────────────────────────────────────────────────────────────────────────────┤
│ 01020000000200000000000000006A18410000000060E3564100000000A07918410000000024ED5641 │
└────────────────────────────────────────────────────────────────────────────────────┘

SELECT
  ST_ASBINARY(
    ST_GEOMETRYFROMWKT(
      'SRID=4326;POINT(-122.35 37.55)'
    )
  ) AS pipeline_wkb;

┌────────────────────────────────────────────┐
│                pipeline_wkb                │
├────────────────────────────────────────────┤
│ 01010000006666666666965EC06666666666C64240 │
└────────────────────────────────────────────┘