[jOOQ/jOOQ#10493] Add TemplatingException for errors that occur with plain SQL templating

jOOQ/src/main/java/org/jooq/exception/TemplatingException.java

@@ -0,0 +1,65 @@
+/*
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * Other licenses:
+ * -----------------------------------------------------------------------------
+ * Commercial licenses for this work are available. These replace the above
+ * ASL 2.0 and offer limited warranties, support, maintenance, and commercial
+ * database integrations.
+ *
+ * For more information, please visit: http://www.jooq.org/licenses
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ */
+package org.jooq.exception;
+
+import org.jooq.QueryPart;
+import org.jooq.SQL;
+
+/**
+ * An exception that occurs with plain {@link SQL} templating.
+ * <p>
+ * Possible exceptions occur when the number of placeholders and the number of
+ * provided {@link QueryPart} objects mismatch.
+ *
+ * @author Lukas Eder
+ */
+public class TemplatingException extends DataAccessException {
+
+    /**
+     * Generated UID
+     */
+    private static final long serialVersionUID = -3984254040787669866L;
+
+    public TemplatingException(String message) {
+        super(message);
+    }
+
+    public TemplatingException(String message, Throwable throwable) {
+        super(message, throwable);
+    }
+}

jOOQ/src/main/java/org/jooq/impl/Tools.java

@@ -274,6 +274,7 @@ import org.jooq.exception.DataAccessException;
 import org.jooq.exception.DataTypeException;
 import org.jooq.exception.MappingException;
 import org.jooq.exception.NoDataFoundException;
+import org.jooq.exception.TemplatingException;
 import org.jooq.exception.TooManyRowsException;
 import org.jooq.impl.ResultsImpl.ResultOrRowsImpl;
 import org.jooq.tools.Ints;
@@ -2592,13 +2593,16 @@ final class Tools {
                     // Try getting the {numbered placeholder}
                     Integer index = Ints.tryParse(sql, start, end);
                     if (index != null) {
+                        if (index < 0 || index >= substitutes.size())
+                            throw new TemplatingException("No substitute QueryPart provided for placeholder {" + index + "} in plain SQL template: " + sql);
+
                         QueryPart substitute = substitutes.get(index);
                         render.visit(substitute);
 
-                        if (bind != null) {
+                        if (bind != null)
                             bind.visit(substitute);
-                        }
-                    } else {
+                    }
+                    else {
                         // Then we're dealing with a {keyword}
                         render.visit(DSL.keyword(sql.substring(start, end)));
                     }