Fixed lower page size change

src/main/java/tech/ailef/snapadmin/external/controller/SnapAdminController.java

@@ -28,6 +28,7 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.Optional;
+import java.util.Random;
 import java.util.Set;
 import java.util.stream.Collectors;
 
@@ -581,6 +582,16 @@ public class SnapAdminController {
 		
 		if (tabs.isEmpty()) {
 			ConsoleQuery q = new ConsoleQuery();
+			
+			int randomIndex = new Random().nextInt(0, snapAdmin.getSchemas().size());
+			String randomTable = snapAdmin.getSchemas().get(randomIndex).getTableName();
+			
+			q.setSql(
+				"-- It's recommended to always include a LIMIT clause in your query\n"
+				+ "-- Although the SQL Console supports pagination, it retrieves the entire ResultSet\n\n"
+				+ "-- SELECT * FROM " + randomTable + " LIMIT 1000;\n"
+			);
+			
 			consoleService.save(q);
 			return "redirect:/" + properties.getBaseUrl() + "/console/run/" + q.getId();
 		} else {
@@ -645,6 +656,9 @@ public class SnapAdminController {
 			results.crop(startOffset, endOffset);
 			model.addAttribute("pagination", pagination);
 			model.addAttribute("results", results);
+		} else {
+			PaginationInfo pagination = new PaginationInfo(page, 0, pageSize, results.size(), null, null);
+			model.addAttribute("pagination", pagination);
 		}
 		
 		model.addAttribute("title", "SQL Console | " + activeQuery.getTitle());

src/main/java/tech/ailef/snapadmin/external/dbmapping/SnapAdminRepository.java

@@ -31,6 +31,7 @@ import java.util.Set;
 import java.util.stream.Collectors;
 
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.dao.TransientDataAccessResourceException;
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.PageRequest;
 import org.springframework.data.domain.Sort;
@@ -294,6 +295,7 @@ public class SnapAdminRepository {
 	public DbQueryResult executeQuery(String sql) {
 		List<DbQueryResultRow> results = new ArrayList<>();
 		if (sql != null && !sql.isBlank()) {
+			try {
 				results = jdbcTemplate.query(sql, (rs, rowNum) -> {
 					Map<DbQueryOutputField, Object> result = new HashMap<>();
 					
@@ -317,6 +319,9 @@ public class SnapAdminRepository {
 					
 					return row;
 				});
+			} catch (TransientDataAccessResourceException e) {
+				// If there's an exception we leave the results as empty
+			}
 		}
 		return new DbQueryResult(results);
 	}

src/main/resources/static/snapadmin/js/console.js

@@ -6,11 +6,11 @@ document.addEventListener("DOMContentLoaded", () => {
 	});
 
 	if (document.querySelector("nav select.page-size") != null) {
-		document.querySelector("nav select.page-size").addEventListener('change', function(e) {
+		document.querySelectorAll("nav select.page-size").forEach(e => {
+			e.addEventListener('change', function(e) {
 				console.log(e.target.parentElement);
 				e.target.parentElement.submit();
-//			this.parentElement.querySelector("input[name=\"pageSize\"]").value = e.target.value;
+			});
-//			this.parentElement.submit();
 		});
 	}
 

src/main/resources/templates/console.html

@@ -106,7 +106,7 @@
 									<!-- Pagination -->
 									<nav aria-label="Results pagination">
 										<div class="d-flex justify-content-between">
-											<div th:if="${pagination != null && pagination.getMaxPage() != 1}" class="d-flex w-100">
+											<div th:if="${pagination != null && pagination.getMaxPage() > 1}" class="d-flex w-100">
 												<ul class="pagination me-3">
 													<li class="page-item" th:if="${pagination.getCurrentPage() != 1}">
 														<a class="page-link" 
@@ -193,7 +193,7 @@
 	        						<!-- Pagination -->
 									<nav aria-label="Results pagination">
 										<div class="d-flex justify-content-between">
-											<div th:if="${pagination != null && pagination.getMaxPage() != 1}" class="d-flex">
+											<div th:if="${pagination != null && pagination.getMaxPage() > 1}" class="d-flex">
 												<ul class="pagination me-3">
 													<li class="page-item" th:if="${pagination.getCurrentPage() != 1}">
 														<a class="page-link" 
@@ -229,18 +229,36 @@
 												    </li>
 												</ul>
 												<div class="d-flex align-items-center" th:if="${pagination.getMaxPage() > 1}">
-													<p class="m-0 p-0">
+													<p class="m-0 p-0 me-2">
 														<i>Showing [[ ${results.size()} ]] of [[ ${pagination.getMaxElement()} ]] 
 															results in [[ ${elapsedTime} ]] seconds</i>
 													</p>
+													<form method="GET" th:action="|/${snapadmin_baseUrl}/console/run/${activeQuery.getId()}|">
+														<select name="pageSize" class="form-select page-size" style="width: 200px">
+													  		<option disabled>Page size</option>
+													  		<option th:selected="${pagination.getPageSize() == 50}">50</option>
+													  		<option th:selected="${pagination.getPageSize() == 100}">100</option>
+													  		<option th:selected="${pagination.getPageSize() == 150}">150</option>
+													  		<option th:selected="${pagination.getPageSize() == 200}">200</option>
+													  	</select>
+													</form>
 												</div>
 											</div>
 											
 											<div class="d-flex align-items-center"  th:if="${pagination.getMaxPage() == 1}">
-												<p class="m-0 p-0">
+												<p class="m-0 p-0 me-2">
 													<i>Showing [[ ${results.size()} ]] of [[ ${pagination.getMaxElement()} ]] 
 														results in [[ ${elapsedTime} ]] seconds</i>
 												</p>
+												<form method="GET" th:action="|/${snapadmin_baseUrl}/console/run/${activeQuery.getId()}|">
+													<select name="pageSize" class="form-select page-size" style="width: 200px">
+												  		<option disabled>Page size</option>
+												  		<option th:selected="${pagination.getPageSize() == 50}">50</option>
+												  		<option th:selected="${pagination.getPageSize() == 100}">100</option>
+												  		<option th:selected="${pagination.getPageSize() == 150}">150</option>
+												  		<option th:selected="${pagination.getPageSize() == 200}">200</option>
+												  	</select>
+												</form>
 											</div>
 										</div>