feat(uxdb): add UXDB database support

agents/drivers/uxdb/src/main/java/com/dbx/agent/uxdb/UxdbAgent.java

@@ -0,0 +1,23 @@
+package com.dbx.agent.uxdb;
+
+import com.dbx.agent.MultiSessionJsonRpcServer;
+import com.dbx.agent.PostgresLikeAgent;
+import com.dbx.agent.PostgresLikeAgentProfile;
+
+public final class UxdbAgent extends PostgresLikeAgent {
+    public static final PostgresLikeAgentProfile UXDB_PROFILE = new PostgresLikeAgentProfile(
+        "com.uxsino.uxdb.Driver",
+        "jdbc:uxdb://{host}:{port}/{database}",
+        52025,
+        "ux_catalog",
+        "ux_"
+    );
+
+    public UxdbAgent() {
+        super(UXDB_PROFILE);
+    }
+
+    public static void main(String[] args) {
+        new MultiSessionJsonRpcServer(UxdbAgent::new).run();
+    }
+}

agents/drivers/uxdb/src/test/java/com/dbx/agent/uxdb/UxdbAgentTest.java

@@ -0,0 +1,25 @@
+package com.dbx.agent.uxdb;
+
+import com.dbx.agent.ConnectParams;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+class UxdbAgentTest {
+    @Test
+    void profileUsesOfficialJdbcSettings() {
+        assertEquals("com.uxsino.uxdb.Driver", UxdbAgent.UXDB_PROFILE.getDriverClass());
+        assertEquals("ux_catalog", UxdbAgent.UXDB_PROFILE.getCatalogSchema());
+        assertEquals("ux_catalog.ux_database", UxdbAgent.UXDB_PROFILE.catalogRelation("database"));
+        assertEquals(
+            "jdbc:uxdb://localhost:52025/uxdb",
+            UxdbAgent.UXDB_PROFILE.buildUrl(new ConnectParams("localhost", 0, "uxdb", "uxdb", "", "", "", false))
+        );
+    }
+
+    @Test
+    void usesPostgresStyleSchemaSearchPath() {
+        assertEquals("SET search_path TO \"public\"", new UxdbAgent().setSchemaSQL("public"));
+        assertEquals("RESET search_path", new UxdbAgent().resetSchemaSQL());
+    }
+}