feat: Making expected SQL annotations more descriptive and repeatable

- Add optional comment to ExpectJdbcQueryExecution

Resolves quick-perf#222

Signed-off-by: Esta Nagy <[email protected]>

Author: nagyesta

sql/sql-annotations/src/main/java/org/quickperf/sql/annotation/ExpectJdbcQueryExecution.java

@@ -40,4 +40,10 @@
      */
     int value() default 1;
 
+    /**
+     * To comment on the reason why we expect the specified amount of queries of this type.
+     * @return comment message
+     */
+    String comment() default "";
+
 }

sql/sql-annotations/src/main/java/org/quickperf/sql/annotation/SqlAnnotationBuilder.java

@@ -134,6 +134,10 @@ public Class<? extends Annotation> annotationType() {
             public int value() {
                 return value;
             }
+            @Override
+            public String comment() {
+                return "";
+            }
         };
     }