Added another constructor to enable user to not have to enter dateTimeFormat when not appropriate, started adding methods to perform field name verification (not complete).

Author: Megan Foss

contrib/format-fixedwidth/src/main/java/org/apache/drill/exec/store/fixedwidth/FixedwidthFieldConfig.java

@@ -37,6 +37,13 @@ public class FixedwidthFieldConfig {
   private final TypeProtos.MinorType type;
   private final String dateTimeFormat;
 
+  public FixedwidthFieldConfig(@JsonProperty("name") String name,
+                               @JsonProperty("index") int index,
+                               @JsonProperty("width") int width,
+                               @JsonProperty("type") TypeProtos.MinorType type) {
+    this(name, index, width, type, null);
+  }
+
   public FixedwidthFieldConfig(@JsonProperty("name") String name,
                                @JsonProperty("index") int index,
                                @JsonProperty("width") int width,
@@ -49,6 +56,8 @@ public FixedwidthFieldConfig(@JsonProperty("name") String name,
     this.type = type;
     this.dateTimeFormat = dateTimeFormat;
 
+
+
     // Need to verify names are different - where can we access all the names of other columns
 //    if(name != null){
 //      this.name = name;

contrib/format-fixedwidth/src/main/java/org/apache/drill/exec/store/fixedwidth/FixedwidthFormatConfig.java

@@ -19,13 +19,16 @@
 package org.apache.drill.exec.store.fixedwidth;
 
 import com.fasterxml.jackson.annotation.JsonCreator;
+import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonTypeName;
 import org.apache.drill.common.PlanStringBuilder;
 import org.apache.drill.common.logical.FormatPluginConfig;
+import org.apache.drill.exec.store.log.LogFormatField;
 import org.apache.drill.shaded.guava.com.google.common.collect.ImmutableList;
 
+import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 import java.util.Objects;
@@ -77,4 +80,35 @@ public String toString() {
             .field("fields", fields)
             .toString();
   }
-}
+
+
+  @JsonIgnore
+  public boolean hasFields() {
+    return fields != null && ! fields.isEmpty();
+  }
+
+  @JsonIgnore
+  public List<String> getFieldNames() {
+    List<String> result = new ArrayList<>();
+    if (! hasFields()) {
+      return result;
+    }
+
+    for (FixedwidthFieldConfig field : fields) {
+      result.add(field.getName());
+    }
+    return result;
+  }
+
+  @JsonIgnore
+  public boolean validateFieldNames(String fieldName){
+    boolean result = false;
+    List<String> names = this.getFieldNames();
+    if (names.contains(fieldName)){
+      result = true;
+    }
+    return result;
+  }
+
+
+}

contrib/format-fixedwidth/src/test/java/org/apache/drill/exec/store/fixedwidth/TestFixedwidthRecordReader.java

@@ -174,7 +174,7 @@ public void testEmptyRow() throws Exception {
     new RowSetComparison(expected).verifyAndClearAll(results);
   }
 
-  //
+  // Create unit test for overloaded constructor
 
   private RowSet setupTestData(){
     TupleMetadata expectedSchema = new SchemaBuilder()