Add inner product to metrics and document available metrics in properties

Author: yabsp

src/main/java/org/polypheny/simpleclient/scenario/vectorbench/queryBuilder/postgres/dql/PgSimpleKnnRealFeature.java

@@ -55,6 +55,7 @@ private static String toOperator( String metric ) {
             case "cosine" -> "<=>";
             case "l2" -> "<->";
             case "l1" -> "<+>";
+            case "ip" -> "<#>";
             default -> throw new IllegalArgumentException( "Provided metric is invalid: " + metric );
         };
     }

src/main/java/org/polypheny/simpleclient/scenario/vectorbench/queryBuilder/postgres/dql/PgSimpleKnnRealFeatureFiltered.java

@@ -58,6 +58,7 @@ private static String toOperator( String metric ) {
             case "cosine" -> "<=>";
             case "l2" -> "<->";
             case "l1" -> "<+>";
+            case "ip" -> "<#>";
             default -> throw new IllegalArgumentException( "Provided metric is invalid: " + metric );
         };
     }

src/main/resources/org/polypheny/simpleclient/scenario/vectorbench/vector.properties

@@ -71,6 +71,8 @@ numberOfSimpleKnnBooleanFeatureQueries = 0
 
 
 limitKnnQueries = 10
+# L1, L2, COSINE, IP
 distanceNorm = L2
+# HAMMING, JACCARD
 booleanDistanceNorm = HAMMING