Support mariadb db in AccountPatchReviewStore

Change-Id: I6cff97c12938a8eab7f6448b96b6e39a1b0fb981
diff --git a/Documentation/config-gerrit.txt b/Documentation/config-gerrit.txt
index 36a5c5d..eddb793 100644
--- a/Documentation/config-gerrit.txt
+++ b/Documentation/config-gerrit.txt
@@ -24,9 +24,9 @@
 
 [[accountPatchReviewDb.url]]accountPatchReviewDb.url::
 +
-The url of accountPatchReviewDb. Supported types are `H2`, `POSTGRESQL`, and
-`MYSQL`. Drop the driver jar in the lib folder of the site path if the Jdbc
-driver of the corresponding Database is not yet in the class path.
+The url of accountPatchReviewDb. Supported types are `H2`, `POSTGRESQL`,
+`MARIADB`, and `MYSQL`. Drop the driver jar in the lib folder of the site path
+if the Jdbc driver of the corresponding Database is not yet in the class path.
 +
 Default is to create H2 database in the db folder of the site path.
 +
diff --git a/gerrit-server/src/main/java/com/google/gerrit/server/schema/JdbcAccountPatchReviewStore.java b/gerrit-server/src/main/java/com/google/gerrit/server/schema/JdbcAccountPatchReviewStore.java
index 2e2875f..5a3e76d 100644
--- a/gerrit-server/src/main/java/com/google/gerrit/server/schema/JdbcAccountPatchReviewStore.java
+++ b/gerrit-server/src/main/java/com/google/gerrit/server/schema/JdbcAccountPatchReviewStore.java
@@ -65,6 +65,10 @@
         DynamicItem.bind(binder(), AccountPatchReviewStore.class)
             .to(MysqlAccountPatchReviewStore.class);
         listener().to(MysqlAccountPatchReviewStore.class);
+      } else if (url.contains("mariadb")) {
+        DynamicItem.bind(binder(), AccountPatchReviewStore.class)
+            .to(MariaDBAccountPatchReviewStore.class);
+        listener().to(MariaDBAccountPatchReviewStore.class);
       } else {
         throw new IllegalArgumentException(
             "unsupported driver type for account patch reviews db: " + url);
@@ -83,6 +87,8 @@
       return new PostgresqlAccountPatchReviewStore(cfg, sitePaths);
     } else if (url.contains("mysql")) {
       return new MysqlAccountPatchReviewStore(cfg, sitePaths);
+    } else if (url.contains("mariadb")) {
+      return new MariaDBAccountPatchReviewStore(cfg, sitePaths);
     } else {
       throw new IllegalArgumentException(
           "unsupported driver type for account patch reviews db: " + url);
@@ -113,6 +119,8 @@
       datasource.setDriverClassName("org.h2.Driver");
     } else if (url.contains("mysql")) {
       datasource.setDriverClassName("com.mysql.jdbc.Driver");
+    } else if (url.contains("mariadb")) {
+      datasource.setDriverClassName("org.mariadb.jdbc.Driver");
     }
     datasource.setUrl(url);
     datasource.setMaxActive(50);
diff --git a/gerrit-server/src/main/java/com/google/gerrit/server/schema/MariaDBAccountPatchReviewStore.java b/gerrit-server/src/main/java/com/google/gerrit/server/schema/MariaDBAccountPatchReviewStore.java
new file mode 100644
index 0000000..b73305d
--- /dev/null
+++ b/gerrit-server/src/main/java/com/google/gerrit/server/schema/MariaDBAccountPatchReviewStore.java
@@ -0,0 +1,49 @@
+// Copyright (C) 2017 The Android Open Source Project
+//
+// 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.
+
+package com.google.gerrit.server.schema;
+
+import com.google.gerrit.server.config.GerritServerConfig;
+import com.google.gerrit.server.config.SitePaths;
+import com.google.gwtorm.server.OrmDuplicateKeyException;
+import com.google.gwtorm.server.OrmException;
+import com.google.inject.Inject;
+import com.google.inject.Singleton;
+import java.sql.SQLException;
+import org.eclipse.jgit.lib.Config;
+
+@Singleton
+public class MariaDBAccountPatchReviewStore extends JdbcAccountPatchReviewStore {
+
+  @Inject
+  MariaDBAccountPatchReviewStore(@GerritServerConfig Config cfg, SitePaths sitePaths) {
+    super(cfg, sitePaths);
+  }
+
+  @Override
+  public OrmException convertError(String op, SQLException err) {
+    switch (getSQLStateInt(err)) {
+      case 1022: // ER_DUP_KEY
+      case 1062: // ER_DUP_ENTRY
+      case 1169: // ER_DUP_UNIQUE;
+        return new OrmDuplicateKeyException("ACCOUNT_PATCH_REVIEWS", err);
+
+      default:
+        if (err.getCause() == null && err.getNextException() != null) {
+          err.initCause(err.getNextException());
+        }
+        return new OrmException(op + " failure on ACCOUNT_PATCH_REVIEWS", err);
+    }
+  }
+}