Native Replication of Postgres Geospatial Data
Blog post from PeerDB
The blog discusses the native replication of PostGIS geospatial data from Postgres to other data stores. It highlights that existing data movement tools are not reliable in replicating geospatial data, often resulting in suboptimal data type conversion and data loss. PeerDB is building a specialized data-movement tool for Postgres with extensive geospatial support, including the replication of GEOMETRY and GEOGRAPHY types to Snowflake. The blog demonstrates how to insert points, lines, polygons, and GEOMETRYCOLLECTION into a Postgres table and provides error handling for invalid geometries during replication. PeerDB plans to expand this support to other data stores such as BigQuery and Clickhouse in the future.
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