[postgis-users] Difference between "Geometry" and "BLOB" in Postgis

[Robert Burgholzer]

I am working through some postgis stuff for a Drupal module, and noticed
that the geometry storage in Drupal is "bytea" (because it tends to be
mysql-centric?).

What is the difference, i.e., advantage offered by the PostGIS custom type
"geometry"?

Thanks,
/r/b

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Robert W. Burgholzer
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