PostGIS columns created using a specific entity type or a Spatial Reference System Identifier (SRID) constraint, displays as two tables in ArcCatalog if the database is not enabled as a geodatabase.
最後に公開された状態: July 12, 2017ArcSDE/Enterprise Geodatabase
This issue is no longer reproducible with ArcGIS 10.5.
対処法
Alter the table <table_name> Alter the column <geometry_column> Type geometry; --Please replace with spatial table name and the spatial geometry_column.