[Tile-serving] [openstreetmap/osm2pgsql] Add tilesets to flex output allowing more flexible expire configuration (PR #1912)

[Jochen Topf]

@joto commented on this pull request.



> +          .. " maxzoom=" .. ts:maxzoom()
+          .. " filename=" .. ts:filename()
+          .. " schema=" .. ts:schema()
+          .. " table=" .. ts:table()
+          .. " (" .. tostring(ts) .. ")")
+end
+print(")")
+
+local tables = {}
+
+tables.pois = osm2pgsql.define_node_table('pois', {
+    { column = 'tags', type = 'jsonb' },
+    -- Zero, one or more tilesets are referenced in an `expire` field in
+    -- the definition of any geometry column using the Web Mercator (3857)
+    -- projection.
+    { column = 'geom', type = 'point', not_null = true, expire = { { tileset = 'pois' } } },

Good idea. Added.

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