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Transform all estimated extents to EPSG:3857 #2498

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Transform all estimated extents to EPSG:3857 #2498

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15 changes: 11 additions & 4 deletions src/gen/osm2pgsql-gen.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -114,14 +114,21 @@ tile_extent get_extent_from_db(pg_conn_t const &db_connection,
result = db_connection.exec(
"SELECT ST_XMin(extent), ST_YMin(extent),"
" ST_XMax(extent), ST_YMax(extent)"
" FROM raster_columns WHERE r_table_schema='{}'"
" AND r_table_name='{}' AND r_raster_column = '{}'",
" FROM ("
" SELECT ST_Transform(extent, 3857) AS extent"
" FROM raster_columns WHERE r_table_schema='{}'"
" AND r_table_name='{}' AND r_raster_column = '{}'"
" ) a",
schema, table, column);
} else {
result = db_connection.exec(
"SELECT ST_XMin(e), ST_YMin(e), ST_XMax(e), ST_YMax(e)"
" FROM ST_EstimatedExtent('{}', '{}', '{}') AS e",
schema, table, column);
" FROM ST_Transform("
" ST_SetSRID("
" ST_EstimatedExtent('{}', '{}', '{}'), "
" (SELECT ST_SRID(way) FROM {} LIMIT 1)"
" ), 3857) e",
schema, table, column, qualified_name(schema, table));
}

if (result.num_tuples() == 0 || result.is_null(0, 0)) {
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