diff --git a/src/dev/peerat/mapping/providers/mysql/MySQLRequestBuilder.java b/src/dev/peerat/mapping/providers/mysql/MySQLRequestBuilder.java
index 1d0fe96..f454d64 100644
--- a/src/dev/peerat/mapping/providers/mysql/MySQLRequestBuilder.java
+++ b/src/dev/peerat/mapping/providers/mysql/MySQLRequestBuilder.java
@@ -4,6 +4,7 @@ import java.util.ArrayList;
 import java.util.List;
 
 import dev.peerat.parser.java.Value;
+import dev.peerat.parser.java.Value.BiValue;
 import dev.peerat.parser.java.Value.LambdaValue;
 import dev.peerat.parser.java.Value.MethodCallValue;
 
@@ -11,7 +12,7 @@ public class MySQLRequestBuilder{
 	
 	private List<MethodCallValue> calls;
 	private String select;
-	private String from;
+	private String where;
 	
 	public MySQLRequestBuilder(List<MethodCallValue> calls){
 		this.calls = calls;
@@ -34,13 +35,35 @@ public class MySQLRequestBuilder{
 			result=result.substring(1);
 			return "SELECT "+result;
 		}
+		if(method.equals("filter()")){
+			LambdaValue include = (LambdaValue) value.getParameters().get(0);
+			Value condition = (Value) include.getOperations().get(0);
+			return toStringCondition(condition);
+		}
 			
 		return null;
 	}
 	
-	public void build(){
+	private String toStringCondition(Value value){
+		if(value instanceof BiValue){
+			BiValue bool = (BiValue)value;
+			String action = bool.getAction();
+			if(action.equals("||")) return toStringCondition(bool.left())+" OR "+toStringCondition(bool.right());
+			throw new RuntimeException("unsuported operation "+action);
+		}
+		if(value instanceof MethodCallValue){ //take method call instead of value
+			MethodCallValue call = (MethodCallValue)value;
+			String action = call.getToken().getValue();
+			if(action.equals("contains()")) return call.base().getToken().getValue()+" LIKE \"%?%\"";
+			return action;
+		}
+		return "default "+value.getClass();
+	}
+	
+	public String build(){
 		this.select = toStringOperation(calls.get(0));
-		throw new RuntimeException(this.select);
+		this.where = toStringOperation(calls.get(1));
+		return select+" WHERE "+where;
 	}
 
 }
diff --git a/src/dev/peerat/mapping/providers/mysql/MySQlProvider.java b/src/dev/peerat/mapping/providers/mysql/MySQlProvider.java
index d0b0961..757c79f 100644
--- a/src/dev/peerat/mapping/providers/mysql/MySQlProvider.java
+++ b/src/dev/peerat/mapping/providers/mysql/MySQlProvider.java
@@ -49,7 +49,7 @@ public class MySQLProvider implements Provider{
 			}
 			list.add(0, call);
 			MySQLRequestBuilder builder = new MySQLRequestBuilder(list);
-			builder.build();
+			throw new RuntimeException(builder.build());
 		}
 	}