koi2000 commented on code in PR #2856:
URL:
https://github.com/apache/incubator-hugegraph/pull/2856#discussion_r2286859398
##########
hugegraph-server/hugegraph-core/src/main/java/org/apache/hugegraph/schema/builder/IndexLabelBuilder.java:
##########
@@ -526,6 +532,21 @@ private void checkFields(Set<Id> propertyIds) {
"Search index can only build on text property, " +
"but got %s(%s)", dataType, field);
}
+
+ // Vector index must build on float list
+ if(this.indexType.isVector()){
+ E.checkArgument(fields.size() == 1,
+ "vector index can only build on " +
+ "one field, but got %s fields: '%s'",
+ fields.size(), fields);
+ String field = fields.iterator().next();
+ DataType dataType = this.graph().propertyKey(field).dataType();
+ Cardinality cardinality =
this.graph().propertyKey(field).cardinality();
+ E.checkArgument((dataType == DataType.FLOAT) &&
+ (cardinality == Cardinality.LIST),
+ "vector index can only build on Float List, " +
+ "but got %s(%s)", dataType, cardinality);
+ }
Review Comment:
code format
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