martin/martin-mbtiles/.sqlx/query-14f262aafedb8739ee403fe6fc67989d706ce91630c9332a600e8022c0d4b628.json
rstanciu 720b682b7e
Add flat hashing table format (#808)
* Add `MbtType::FlatWithHash`
* Support copying, diffing and applying diffs to and from any
`MbtTypes`s
* Support validating tile data if hash is contained in `*.mbtiles` file
(i.e it is of `MbtType::FlatWithHash` or `MbtType::Normalized`)

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Co-authored-by: rstanciu <rstanciu@rivian.com>
Co-authored-by: Yuri Astrakhan <yuriastrakhan@gmail.com>
2023-08-16 10:22:01 -07:00

21 lines
1.7 KiB
JSON

{
"db_name": "SQLite",
"query": "SELECT (\n -- Has a \"map\" table\n SELECT COUNT(*) = 1\n FROM sqlite_master\n WHERE name = 'map'\n AND type = 'table'\n --\n ) AND (\n -- \"map\" table's columns and their types are as expected:\n -- 4 columns (zoom_level, tile_column, tile_row, tile_id).\n -- The order is not important\n SELECT COUNT(*) = 4\n FROM pragma_table_info('map')\n WHERE ((name = \"zoom_level\" AND type = \"INTEGER\")\n OR (name = \"tile_column\" AND type = \"INTEGER\")\n OR (name = \"tile_row\" AND type = \"INTEGER\")\n OR (name = \"tile_id\" AND type = \"TEXT\"))\n --\n ) AND (\n -- Has a \"images\" table\n SELECT COUNT(*) = 1\n FROM sqlite_master\n WHERE name = 'images'\n AND type = 'table'\n --\n ) AND (\n -- \"images\" table's columns and their types are as expected:\n -- 2 columns (tile_id, tile_data).\n -- The order is not important\n SELECT COUNT(*) = 2\n FROM pragma_table_info('images')\n WHERE ((name = \"tile_id\" AND type = \"TEXT\")\n OR (name = \"tile_data\" AND type = \"BLOB\"))\n --\n ) AS is_valid;\n",
"describe": {
"columns": [
{
"name": "is_valid",
"ordinal": 0,
"type_info": "Int"
}
],
"parameters": {
"Right": 0
},
"nullable": [
null
]
},
"hash": "14f262aafedb8739ee403fe6fc67989d706ce91630c9332a600e8022c0d4b628"
}