Add exception handling to non selects

src/main/java/at/compax/tools/sql/SqlExecutor.java

@@ -41,8 +41,15 @@ public class SqlExecutor {
     @Cleanup
     Statement stmt = conn.createStatement();
 
+    try {
       stmt.execute(sql.trim());
       log.info("Executed");
+    } catch (SQLException e) {
+      return Result.builder() //
+          .exception(e.getClass().getName()) //
+          .exceptionMessage(e.getMessage()) //
+          .build();
+    }
 
     ResultBuilder resultBuilder = Result.builder();
 

src/main/java/at/compax/tools/sql/model/Result.java

@@ -2,6 +2,8 @@ package at.compax.tools.sql.model;
 
 import java.util.List;
 
+import com.fasterxml.jackson.annotation.JsonInclude;
+
 import lombok.Builder;
 import lombok.Getter;
 import lombok.ToString;
@@ -9,6 +11,9 @@ import lombok.ToString;
 @Builder
 @Getter
 @ToString
+@JsonInclude(JsonInclude.Include.NON_NULL)
 public class Result {
   private List<UserError> userErrors;
+  private String exception;
+  private String exceptionMessage;
 }