Fix interface MetaResult not to show ResultSetMetaData

Author: daneeldeveloper

src/main/java/org/fugerit/java/query/export/facade/QueryExportFacade.java

@@ -51,7 +51,7 @@ private static void writeRecordCSV( String[] line, Iterator<MetaField> itField,
 
 	public static int export( QueryExportConfig config, MetaResult meta ) throws Exception {
 		int res = 0;
-		ResultSetMetaData rsmd = meta.getMetaData();
+		int columnCount = meta.getColumnCount();
 		if ( FORMAT_CSV.equalsIgnoreCase( config.getFormat() ) ) {
 			char separator = config.getSeparator();
 			BufferedWriter writer =  new BufferedWriter( new OutputStreamWriter( config.getOutput() , Charset.forName( "UTF-8" ) ) );
@@ -60,7 +60,7 @@ public static int export( QueryExportConfig config, MetaResult meta ) throws Exc
 					'"',
 					CSVWriter.NO_ESCAPE_CHARACTER,
 					CSVWriter.DEFAULT_LINE_END);
-			String[] line = new String[ rsmd.getColumnCount() ];
+			String[] line = new String[ columnCount ];
 			if ( meta.hasHeader() ) {
 				writeRecordCSV(line, meta.headerIterator(), csvwriter);	
 			}

src/main/java/org/fugerit/java/query/export/meta/BasicMetaResult.java

@@ -37,8 +37,8 @@ public Iterator<MetaField> headerIterator() throws Exception {
 	}
 
 	@Override
-	public ResultSetMetaData getMetaData() throws SQLException {
-		return this.rs.getMetaData();
+	public int getColumnCount() throws SQLException {
+		return this.rs.getMetaData().getColumnCount();
 	}
 
 	@Override
@@ -65,6 +65,9 @@ record = rse.extractNext( rs );
 				}
 				return record;
 			}
+			@Override
+			public void remove() {
+			}
 		};
 	}
 

src/main/java/org/fugerit/java/query/export/meta/MetaResult.java

@@ -1,14 +1,12 @@
 package org.fugerit.java.query.export.meta;
 
-import java.sql.ResultSetMetaData;
-import java.sql.SQLException;
 import java.util.Iterator;
 
 public interface MetaResult {
 
 	public Iterator<MetaRecord> recordIterator() throws Exception;
 
-	public ResultSetMetaData getMetaData() throws SQLException;
+	public int getColumnCount() throws Exception;
 
 	public boolean hasHeader() throws Exception;