Implement UnNestArrayInList for hsqldb

common/src/main/java/com/moparisthebest/jdbc/codegen/JdbcMapper.java

@@ -129,6 +129,7 @@ public interface JdbcMapper extends Closeable {
 	public enum DatabaseType {
 		DEFAULT(null, null),
 		STANDARD("numeric", "text"),
+		UNNEST("numeric", "text"),
 		ORACLE("ARRAY_NUM_TYPE", "ARRAY_STR_TYPE");
 
 		public final String arrayNumberTypeName, arrayStringTypeName;

jdbcmapper/src/main/java/com/moparisthebest/jdbc/codegen/JdbcMapperProcessor.java

@@ -1,9 +1,6 @@
 package com.moparisthebest.jdbc.codegen;
 
-import com.moparisthebest.jdbc.ArrayInList;
+import com.moparisthebest.jdbc.*;
-import com.moparisthebest.jdbc.Cleaner;
-import com.moparisthebest.jdbc.MapperException;
-import com.moparisthebest.jdbc.OracleArrayInList;
 
 import javax.annotation.processing.*;
 import javax.lang.model.SourceVersion;
@@ -194,6 +191,9 @@ public class JdbcMapperProcessor extends AbstractProcessor {
 							case STANDARD:
 								arrayInList = new ArrayInList(arrayNumberTypeName, arrayStringTypeName);
 								break;
+							case UNNEST:
+								arrayInList = new UnNestArrayInList(arrayNumberTypeName, arrayStringTypeName);
+								break;
 							default:
 								// no support
 								arrayInList = null;
@@ -403,6 +403,11 @@ public class JdbcMapperProcessor extends AbstractProcessor {
 														"(" + inColumnName + " != ANY(?))" :
 														"(" + inColumnName + " = ANY(?))";
 												break;
+											case UNNEST:
+												replacement = not ?
+														"(" + inColumnName + " NOT IN(UNNEST(?)))" :
+														"(" + inColumnName + " IN(UNNEST(?)))";
+												break;
 											default:
 												processingEnv.getMessager().printMessage(Diagnostic.Kind.ERROR, "default DatabaseType? should never happen!!", bindParam);
 												return false;
@@ -749,6 +754,7 @@ public class JdbcMapperProcessor extends AbstractProcessor {
 				//w.write("(Array) createArray.invoke(conn.unwrap(oracleConnection), \"");
 				break;
 			case STANDARD:
+			case UNNEST:
 				w.write("conn.createArrayOf(\"");
 				break;
 			default:

querymapper/src/main/java/com/moparisthebest/jdbc/UnNestArrayInList.java

@@ -0,0 +1,26 @@
+package com.moparisthebest.jdbc;
+
+/**
+ * HSQLDB requires array in lists to be implemented this way:
+ * https://stackoverflow.com/questions/35939489/createarrayof-string-in-hsqldb-jdbc-returns-abstractmethoderror/35964424#35964424
+ */
+public class UnNestArrayInList extends ArrayInList {
+
+	private static final InList instance = new UnNestArrayInList();
+
+	public static InList instance() {
+		return instance;
+	}
+
+	public UnNestArrayInList(final String numberType, final String otherType) {
+		super(numberType, otherType);
+	}
+
+	public UnNestArrayInList() {
+		super();
+	}
+
+	protected String columnAppend(final String columnName) {
+		return "(" + columnName + " IN(UNNEST(?)))";
+	}
+}

test/src/main/java/com/moparisthebest/jdbc/codegen/QueryMapperQmDao.java

@@ -54,12 +54,13 @@ public class QueryMapperQmDao implements QmDao {
 	public static final String selectStrVal = "SELECT str_val FROM val WHERE val_no = ?";
 
 	private static final Collection<Class<?>> noArrayInListSupport;
+	private static final Class<?> hsqlConnection;
 
 	static {
 		Collection<Class<?>> no = new ArrayList<Class<?>>();
 		for(final String connectionClassName : new String[]{
 				"org.apache.derby.impl.jdbc.EmbedConnection"
-				, "org.hsqldb.jdbc.JDBCConnection"
+				, "org.hsqldb.jdbc.JDBCConnection" // does not support ArrayInList but *does* support UnNestArrayInList
 				, "org.sqlite.jdbc3.JDBC3Connection"
 				, "org.mariadb.jdbc.MariaDbConnection"
 				// h2 doesn't support this with java6 either...
@@ -73,6 +74,13 @@ public class QueryMapperQmDao implements QmDao {
 				// ignore
 			}
 		noArrayInListSupport = Collections.unmodifiableCollection(no);
+		Class<?> hsql = null;
+		try {
+			hsql = Class.forName("org.hsqldb.jdbc.JDBCConnection");
+		} catch(Exception e) {
+			// ignore
+		}
+		hsqlConnection = hsql;
 	}
 
 	public static boolean supportsArrayInList(final Connection conn) {
@@ -89,7 +97,17 @@ public class QueryMapperQmDao implements QmDao {
 	}
 
 	public static InList getBestInList(final Connection conn) {
-		return supportsArrayInList(conn) ? ArrayInList.instance() : BindInList.instance();
+		if(supportsArrayInList(conn))
+			return ArrayInList.instance();
+		if(hsqlConnection != null)
+			try {
+				if(conn.isWrapperFor(hsqlConnection))
+					return UnNestArrayInList.instance();
+			} catch (SQLException e) {
+				// ignore
+			}
+		// works for everything
+		return BindInList.instance();
 	}
 
 	protected final QueryMapper qm;