Running this query at https://graphql.toolforge.org produces an error:
{
wikidata {
entity(id: "Q1297") {
claims {
mainsnak {
datavalue {
__typename
... on SnakValueQuantity {
SnakValueQuantity: value {
amount
unit {
id
}
}
}
}
}
}
}
}
}Error:
"message": "Invalid URL: 1",
"locations": [
{
"line": 11,
"column": 17
}
],
"path": [
"wikidata",
"entity",
"claims",
91,
"mainsnak",
"datavalue",
"SnakValueQuantity",
"unit"
],
"extensions": {
"code": "INTERNAL_SERVER_ERROR",
"exception": {
"input": "1",
"stacktrace": [
"TypeError [ERR_INVALID_URL]: Invalid URL: 1",
" at onParseError (internal/url.js:241:17)",
" at parse (internal/url.js:257:3)",
" at new URL (internal/url.js:332:5)",
" at /data/project/graphql/www/js/types/entity.js:437:14",
" at field.resolve (/data/project/graphql/www/js/node_modules/graphql-extensions/dist/index.js:134:26)",
" at field.resolve (/data/project/graphql/www/js/node_modules/apollo-server-express/node_modules/apollo-server-core/dist/utils/schemaInstrumentation.js:52:26)",
" at resolveFieldValueOrError (/data/project/graphql/www/js/node_modules/graphql/execution/execute.js:467:18)",
" at resolveField (/data/project/graphql/www/js/node_modules/graphql/execution/execute.js:434:16)",
" at executeFields (/data/project/graphql/www/js/node_modules/graphql/execution/execute.js:275:18)",
" at collectAndExecuteSubfields (/data/project/graphql/www/js/node_modules/graphql/execution/execute.js:713:10)"
]
}
}
},This is because I am asking for the "unit" field and it returns a "1" (String) instead of a link (String) when no unit is specified. It therefore fails to get the entity.