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menghaoran pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/shardingsphere.git
The following commit(s) were added to refs/heads/master by this push:
new 1e890ed41e7 Remove DatabaseDialectIdentifierHandler (#37771)
1e890ed41e7 is described below
commit 1e890ed41e794fab88488367afbc73fa531839ed
Author: Haoran Meng <[email protected]>
AuthorDate: Mon Jan 19 17:04:20 2026 +0800
Remove DatabaseDialectIdentifierHandler (#37771)
---
.../DatabaseDialectIdentifierHandler.java | 35 ---------------------
...ClickHouseDatabaseDialectIdentifierHandler.java | 36 ----------------------
...ata.identifier.DatabaseDialectIdentifierHandler | 18 -----------
.../DorisDatabaseDialectIdentifierHandler.java | 36 ----------------------
...ata.identifier.DatabaseDialectIdentifierHandler | 18 -----------
.../FirebirdDatabaseDialectIdentifierHandler.java | 36 ----------------------
...ata.identifier.DatabaseDialectIdentifierHandler | 18 -----------
.../H2DatabaseDialectIdentifierHandler.java | 36 ----------------------
...ata.identifier.DatabaseDialectIdentifierHandler | 18 -----------
.../HiveDatabaseDialectIdentifierHandler.java | 36 ----------------------
...ata.identifier.DatabaseDialectIdentifierHandler | 18 -----------
.../MariaDBDatabaseDialectIdentifierHandler.java | 36 ----------------------
...ata.identifier.DatabaseDialectIdentifierHandler | 18 -----------
.../MySQLDatabaseDialectIdentifierHandler.java | 36 ----------------------
...ata.identifier.DatabaseDialectIdentifierHandler | 18 -----------
.../OpenGaussDatabaseDialectIdentifierHandler.java | 36 ----------------------
...ata.identifier.DatabaseDialectIdentifierHandler | 18 -----------
.../OracleDatabaseDialectIdentifierHandler.java | 36 ----------------------
...ata.identifier.DatabaseDialectIdentifierHandler | 18 -----------
...PostgreSQLDatabaseDialectIdentifierHandler.java | 36 ----------------------
...ata.identifier.DatabaseDialectIdentifierHandler | 18 -----------
.../PrestoDatabaseDialectIdentifierHandler.java | 36 ----------------------
...ata.identifier.DatabaseDialectIdentifierHandler | 18 -----------
.../SQLServerDatabaseDialectIdentifierHandler.java | 36 ----------------------
...ata.identifier.DatabaseDialectIdentifierHandler | 18 -----------
25 files changed, 683 deletions(-)
diff --git
a/database/connector/core/src/main/java/org/apache/shardingsphere/database/connector/core/metadata/identifier/DatabaseDialectIdentifierHandler.java
b/database/connector/core/src/main/java/org/apache/shardingsphere/database/connector/core/metadata/identifier/DatabaseDialectIdentifierHandler.java
deleted file mode 100644
index 0577988db1f..00000000000
---
a/database/connector/core/src/main/java/org/apache/shardingsphere/database/connector/core/metadata/identifier/DatabaseDialectIdentifierHandler.java
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You 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 org.apache.shardingsphere.database.connector.core.metadata.identifier;
-
-import org.apache.shardingsphere.database.connector.core.spi.DatabaseTypedSPI;
-import org.apache.shardingsphere.infra.spi.annotation.SingletonSPI;
-
-/**
- * Database dialect identifier handler.
- */
-@SingletonSPI
-public interface DatabaseDialectIdentifierHandler extends DatabaseTypedSPI {
-
- /**
- * Whether identifier is case-sensitive.
- *
- * @return is case-sensitive or insensitive
- */
- boolean isCaseSensitive();
-}
diff --git
a/database/connector/dialect/clickhouse/src/main/java/org/apache/shardingsphere/database/connector/clickhouse/identifier/ClickHouseDatabaseDialectIdentifierHandler.java
b/database/connector/dialect/clickhouse/src/main/java/org/apache/shardingsphere/database/connector/clickhouse/identifier/ClickHouseDatabaseDialectIdentifierHandler.java
deleted file mode 100644
index 9d5761efa87..00000000000
---
a/database/connector/dialect/clickhouse/src/main/java/org/apache/shardingsphere/database/connector/clickhouse/identifier/ClickHouseDatabaseDialectIdentifierHandler.java
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You 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 org.apache.shardingsphere.database.connector.clickhouse.identifier;
-
-import
org.apache.shardingsphere.database.connector.core.metadata.identifier.DatabaseDialectIdentifierHandler;
-
-/**
- * Database dialect identifier handler for ClickHouse.
- */
-public final class ClickHouseDatabaseDialectIdentifierHandler implements
DatabaseDialectIdentifierHandler {
-
- @Override
- public boolean isCaseSensitive() {
- return true;
- }
-
- @Override
- public String getDatabaseType() {
- return "ClickHouse";
- }
-}
diff --git
a/database/connector/dialect/clickhouse/src/main/resources/META-INF/services/org.apache.shardingsphere.database.connector.core.metadata.identifier.DatabaseDialectIdentifierHandler
b/database/connector/dialect/clickhouse/src/main/resources/META-INF/services/org.apache.shardingsphere.database.connector.core.metadata.identifier.DatabaseDialectIdentifierHandler
deleted file mode 100644
index d5c96d76b64..00000000000
---
a/database/connector/dialect/clickhouse/src/main/resources/META-INF/services/org.apache.shardingsphere.database.connector.core.metadata.identifier.DatabaseDialectIdentifierHandler
+++ /dev/null
@@ -1,18 +0,0 @@
-#
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements. See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You 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.
-#
-
-org.apache.shardingsphere.database.connector.clickhouse.identifier.ClickHouseDatabaseDialectIdentifierHandler
diff --git
a/database/connector/dialect/doris/src/main/java/org/apache/shardingsphere/database/connector/doris/identifier/DorisDatabaseDialectIdentifierHandler.java
b/database/connector/dialect/doris/src/main/java/org/apache/shardingsphere/database/connector/doris/identifier/DorisDatabaseDialectIdentifierHandler.java
deleted file mode 100644
index e4f91e94b70..00000000000
---
a/database/connector/dialect/doris/src/main/java/org/apache/shardingsphere/database/connector/doris/identifier/DorisDatabaseDialectIdentifierHandler.java
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You 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 org.apache.shardingsphere.database.connector.doris.identifier;
-
-import
org.apache.shardingsphere.database.connector.core.metadata.identifier.DatabaseDialectIdentifierHandler;
-
-/**
- * Database dialect identifier handler for Doris.
- */
-public final class DorisDatabaseDialectIdentifierHandler implements
DatabaseDialectIdentifierHandler {
-
- @Override
- public boolean isCaseSensitive() {
- return false;
- }
-
- @Override
- public String getDatabaseType() {
- return "Doris";
- }
-}
diff --git
a/database/connector/dialect/doris/src/main/resources/META-INF/services/org.apache.shardingsphere.database.connector.core.metadata.identifier.DatabaseDialectIdentifierHandler
b/database/connector/dialect/doris/src/main/resources/META-INF/services/org.apache.shardingsphere.database.connector.core.metadata.identifier.DatabaseDialectIdentifierHandler
deleted file mode 100644
index 936b97c96c6..00000000000
---
a/database/connector/dialect/doris/src/main/resources/META-INF/services/org.apache.shardingsphere.database.connector.core.metadata.identifier.DatabaseDialectIdentifierHandler
+++ /dev/null
@@ -1,18 +0,0 @@
-#
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements. See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You 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.
-#
-
-org.apache.shardingsphere.database.connector.doris.identifier.DorisDatabaseDialectIdentifierHandler
diff --git
a/database/connector/dialect/firebird/src/main/java/org/apache/shardingsphere/database/connector/firebird/identifier/FirebirdDatabaseDialectIdentifierHandler.java
b/database/connector/dialect/firebird/src/main/java/org/apache/shardingsphere/database/connector/firebird/identifier/FirebirdDatabaseDialectIdentifierHandler.java
deleted file mode 100644
index bcd62ecee33..00000000000
---
a/database/connector/dialect/firebird/src/main/java/org/apache/shardingsphere/database/connector/firebird/identifier/FirebirdDatabaseDialectIdentifierHandler.java
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You 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 org.apache.shardingsphere.database.connector.firebird.identifier;
-
-import
org.apache.shardingsphere.database.connector.core.metadata.identifier.DatabaseDialectIdentifierHandler;
-
-/**
- * Database dialect identifier handler for Firebird.
- */
-public final class FirebirdDatabaseDialectIdentifierHandler implements
DatabaseDialectIdentifierHandler {
-
- @Override
- public boolean isCaseSensitive() {
- return false;
- }
-
- @Override
- public String getDatabaseType() {
- return "Firebird";
- }
-}
diff --git
a/database/connector/dialect/firebird/src/main/resources/META-INF/services/org.apache.shardingsphere.database.connector.core.metadata.identifier.DatabaseDialectIdentifierHandler
b/database/connector/dialect/firebird/src/main/resources/META-INF/services/org.apache.shardingsphere.database.connector.core.metadata.identifier.DatabaseDialectIdentifierHandler
deleted file mode 100644
index bddf84310a2..00000000000
---
a/database/connector/dialect/firebird/src/main/resources/META-INF/services/org.apache.shardingsphere.database.connector.core.metadata.identifier.DatabaseDialectIdentifierHandler
+++ /dev/null
@@ -1,18 +0,0 @@
-#
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements. See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You 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.
-#
-
-org.apache.shardingsphere.database.connector.firebird.identifier.FirebirdDatabaseDialectIdentifierHandler
diff --git
a/database/connector/dialect/h2/src/main/java/org/apache/shardingsphere/database/connector/h2/identifier/H2DatabaseDialectIdentifierHandler.java
b/database/connector/dialect/h2/src/main/java/org/apache/shardingsphere/database/connector/h2/identifier/H2DatabaseDialectIdentifierHandler.java
deleted file mode 100644
index 7173b6856bc..00000000000
---
a/database/connector/dialect/h2/src/main/java/org/apache/shardingsphere/database/connector/h2/identifier/H2DatabaseDialectIdentifierHandler.java
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You 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 org.apache.shardingsphere.database.connector.h2.identifier;
-
-import
org.apache.shardingsphere.database.connector.core.metadata.identifier.DatabaseDialectIdentifierHandler;
-
-/**
- * Database dialect identifier handler for H2.
- */
-public final class H2DatabaseDialectIdentifierHandler implements
DatabaseDialectIdentifierHandler {
-
- @Override
- public boolean isCaseSensitive() {
- return false;
- }
-
- @Override
- public String getDatabaseType() {
- return "H2";
- }
-}
diff --git
a/database/connector/dialect/h2/src/main/resources/META-INF/services/org.apache.shardingsphere.database.connector.core.metadata.identifier.DatabaseDialectIdentifierHandler
b/database/connector/dialect/h2/src/main/resources/META-INF/services/org.apache.shardingsphere.database.connector.core.metadata.identifier.DatabaseDialectIdentifierHandler
deleted file mode 100644
index d1c55569111..00000000000
---
a/database/connector/dialect/h2/src/main/resources/META-INF/services/org.apache.shardingsphere.database.connector.core.metadata.identifier.DatabaseDialectIdentifierHandler
+++ /dev/null
@@ -1,18 +0,0 @@
-#
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements. See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You 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.
-#
-
-org.apache.shardingsphere.database.connector.h2.identifier.H2DatabaseDialectIdentifierHandler
diff --git
a/database/connector/dialect/hive/src/main/java/org/apache/shardingsphere/database/connector/hive/identifier/HiveDatabaseDialectIdentifierHandler.java
b/database/connector/dialect/hive/src/main/java/org/apache/shardingsphere/database/connector/hive/identifier/HiveDatabaseDialectIdentifierHandler.java
deleted file mode 100644
index a9df1d9ec66..00000000000
---
a/database/connector/dialect/hive/src/main/java/org/apache/shardingsphere/database/connector/hive/identifier/HiveDatabaseDialectIdentifierHandler.java
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You 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 org.apache.shardingsphere.database.connector.hive.identifier;
-
-import
org.apache.shardingsphere.database.connector.core.metadata.identifier.DatabaseDialectIdentifierHandler;
-
-/**
- * Database dialect identifier handler for Hive.
- */
-public final class HiveDatabaseDialectIdentifierHandler implements
DatabaseDialectIdentifierHandler {
-
- @Override
- public boolean isCaseSensitive() {
- return false;
- }
-
- @Override
- public String getDatabaseType() {
- return "Hive";
- }
-}
diff --git
a/database/connector/dialect/hive/src/main/resources/META-INF/services/org.apache.shardingsphere.database.connector.core.metadata.identifier.DatabaseDialectIdentifierHandler
b/database/connector/dialect/hive/src/main/resources/META-INF/services/org.apache.shardingsphere.database.connector.core.metadata.identifier.DatabaseDialectIdentifierHandler
deleted file mode 100644
index bbf66f355be..00000000000
---
a/database/connector/dialect/hive/src/main/resources/META-INF/services/org.apache.shardingsphere.database.connector.core.metadata.identifier.DatabaseDialectIdentifierHandler
+++ /dev/null
@@ -1,18 +0,0 @@
-#
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements. See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You 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.
-#
-
-org.apache.shardingsphere.database.connector.hive.identifier.HiveDatabaseDialectIdentifierHandler
diff --git
a/database/connector/dialect/mariadb/src/main/java/org/apache/shardingsphere/database/connector/mariadb/identifier/MariaDBDatabaseDialectIdentifierHandler.java
b/database/connector/dialect/mariadb/src/main/java/org/apache/shardingsphere/database/connector/mariadb/identifier/MariaDBDatabaseDialectIdentifierHandler.java
deleted file mode 100644
index 8036aab9b9d..00000000000
---
a/database/connector/dialect/mariadb/src/main/java/org/apache/shardingsphere/database/connector/mariadb/identifier/MariaDBDatabaseDialectIdentifierHandler.java
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You 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 org.apache.shardingsphere.database.connector.mariadb.identifier;
-
-import
org.apache.shardingsphere.database.connector.core.metadata.identifier.DatabaseDialectIdentifierHandler;
-
-/**
- * Database dialect identifier handler for MariaDB.
- */
-public final class MariaDBDatabaseDialectIdentifierHandler implements
DatabaseDialectIdentifierHandler {
-
- @Override
- public boolean isCaseSensitive() {
- return false;
- }
-
- @Override
- public String getDatabaseType() {
- return "MariaDB";
- }
-}
diff --git
a/database/connector/dialect/mariadb/src/main/resources/META-INF/services/org.apache.shardingsphere.database.connector.core.metadata.identifier.DatabaseDialectIdentifierHandler
b/database/connector/dialect/mariadb/src/main/resources/META-INF/services/org.apache.shardingsphere.database.connector.core.metadata.identifier.DatabaseDialectIdentifierHandler
deleted file mode 100644
index 6e043cad8cf..00000000000
---
a/database/connector/dialect/mariadb/src/main/resources/META-INF/services/org.apache.shardingsphere.database.connector.core.metadata.identifier.DatabaseDialectIdentifierHandler
+++ /dev/null
@@ -1,18 +0,0 @@
-#
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements. See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You 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.
-#
-
-org.apache.shardingsphere.database.connector.mariadb.identifier.MariaDBDatabaseDialectIdentifierHandler
diff --git
a/database/connector/dialect/mysql/src/main/java/org/apache/shardingsphere/database/connector/mysql/identifier/MySQLDatabaseDialectIdentifierHandler.java
b/database/connector/dialect/mysql/src/main/java/org/apache/shardingsphere/database/connector/mysql/identifier/MySQLDatabaseDialectIdentifierHandler.java
deleted file mode 100644
index 13f6d1bfea2..00000000000
---
a/database/connector/dialect/mysql/src/main/java/org/apache/shardingsphere/database/connector/mysql/identifier/MySQLDatabaseDialectIdentifierHandler.java
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You 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 org.apache.shardingsphere.database.connector.mysql.identifier;
-
-import
org.apache.shardingsphere.database.connector.core.metadata.identifier.DatabaseDialectIdentifierHandler;
-
-/**
- * Database dialect identifier handler for MySQL.
- */
-public final class MySQLDatabaseDialectIdentifierHandler implements
DatabaseDialectIdentifierHandler {
-
- @Override
- public boolean isCaseSensitive() {
- return false;
- }
-
- @Override
- public String getDatabaseType() {
- return "MySQL";
- }
-}
diff --git
a/database/connector/dialect/mysql/src/main/resources/META-INF/services/org.apache.shardingsphere.database.connector.core.metadata.identifier.DatabaseDialectIdentifierHandler
b/database/connector/dialect/mysql/src/main/resources/META-INF/services/org.apache.shardingsphere.database.connector.core.metadata.identifier.DatabaseDialectIdentifierHandler
deleted file mode 100644
index 83b30f5f46e..00000000000
---
a/database/connector/dialect/mysql/src/main/resources/META-INF/services/org.apache.shardingsphere.database.connector.core.metadata.identifier.DatabaseDialectIdentifierHandler
+++ /dev/null
@@ -1,18 +0,0 @@
-#
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements. See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You 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.
-#
-
-org.apache.shardingsphere.database.connector.mysql.identifier.MySQLDatabaseDialectIdentifierHandler
diff --git
a/database/connector/dialect/opengauss/src/main/java/org/apache/shardingsphere/database/connector/opengauss/identifier/OpenGaussDatabaseDialectIdentifierHandler.java
b/database/connector/dialect/opengauss/src/main/java/org/apache/shardingsphere/database/connector/opengauss/identifier/OpenGaussDatabaseDialectIdentifierHandler.java
deleted file mode 100644
index 4dbed2e15bf..00000000000
---
a/database/connector/dialect/opengauss/src/main/java/org/apache/shardingsphere/database/connector/opengauss/identifier/OpenGaussDatabaseDialectIdentifierHandler.java
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You 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 org.apache.shardingsphere.database.connector.opengauss.identifier;
-
-import
org.apache.shardingsphere.database.connector.core.metadata.identifier.DatabaseDialectIdentifierHandler;
-
-/**
- * Database dialect identifier handler for openGauss.
- */
-public final class OpenGaussDatabaseDialectIdentifierHandler implements
DatabaseDialectIdentifierHandler {
-
- @Override
- public boolean isCaseSensitive() {
- return true;
- }
-
- @Override
- public String getDatabaseType() {
- return "openGauss";
- }
-}
diff --git
a/database/connector/dialect/opengauss/src/main/resources/META-INF/services/org.apache.shardingsphere.database.connector.core.metadata.identifier.DatabaseDialectIdentifierHandler
b/database/connector/dialect/opengauss/src/main/resources/META-INF/services/org.apache.shardingsphere.database.connector.core.metadata.identifier.DatabaseDialectIdentifierHandler
deleted file mode 100644
index 4dd98b9d273..00000000000
---
a/database/connector/dialect/opengauss/src/main/resources/META-INF/services/org.apache.shardingsphere.database.connector.core.metadata.identifier.DatabaseDialectIdentifierHandler
+++ /dev/null
@@ -1,18 +0,0 @@
-#
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements. See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You 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.
-#
-
-org.apache.shardingsphere.database.connector.opengauss.identifier.OpenGaussDatabaseDialectIdentifierHandler
diff --git
a/database/connector/dialect/oracle/src/main/java/org/apache/shardingsphere/database/connector/oracle/identifier/OracleDatabaseDialectIdentifierHandler.java
b/database/connector/dialect/oracle/src/main/java/org/apache/shardingsphere/database/connector/oracle/identifier/OracleDatabaseDialectIdentifierHandler.java
deleted file mode 100644
index 5f821688757..00000000000
---
a/database/connector/dialect/oracle/src/main/java/org/apache/shardingsphere/database/connector/oracle/identifier/OracleDatabaseDialectIdentifierHandler.java
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You 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 org.apache.shardingsphere.database.connector.oracle.identifier;
-
-import
org.apache.shardingsphere.database.connector.core.metadata.identifier.DatabaseDialectIdentifierHandler;
-
-/**
- * Database dialect identifier handler for Oracle.
- */
-public final class OracleDatabaseDialectIdentifierHandler implements
DatabaseDialectIdentifierHandler {
-
- @Override
- public boolean isCaseSensitive() {
- return false;
- }
-
- @Override
- public String getDatabaseType() {
- return "Oracle";
- }
-}
diff --git
a/database/connector/dialect/oracle/src/main/resources/META-INF/services/org.apache.shardingsphere.database.connector.core.metadata.identifier.DatabaseDialectIdentifierHandler
b/database/connector/dialect/oracle/src/main/resources/META-INF/services/org.apache.shardingsphere.database.connector.core.metadata.identifier.DatabaseDialectIdentifierHandler
deleted file mode 100644
index 01e52fab108..00000000000
---
a/database/connector/dialect/oracle/src/main/resources/META-INF/services/org.apache.shardingsphere.database.connector.core.metadata.identifier.DatabaseDialectIdentifierHandler
+++ /dev/null
@@ -1,18 +0,0 @@
-#
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements. See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You 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.
-#
-
-org.apache.shardingsphere.database.connector.oracle.identifier.OracleDatabaseDialectIdentifierHandler
diff --git
a/database/connector/dialect/postgresql/src/main/java/org/apache/shardingsphere/database/connector/postgresql/identifier/PostgreSQLDatabaseDialectIdentifierHandler.java
b/database/connector/dialect/postgresql/src/main/java/org/apache/shardingsphere/database/connector/postgresql/identifier/PostgreSQLDatabaseDialectIdentifierHandler.java
deleted file mode 100644
index dca8f0f2389..00000000000
---
a/database/connector/dialect/postgresql/src/main/java/org/apache/shardingsphere/database/connector/postgresql/identifier/PostgreSQLDatabaseDialectIdentifierHandler.java
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You 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 org.apache.shardingsphere.database.connector.postgresql.identifier;
-
-import
org.apache.shardingsphere.database.connector.core.metadata.identifier.DatabaseDialectIdentifierHandler;
-
-/**
- * Database dialect identifier handler for PostgreSQL.
- */
-public final class PostgreSQLDatabaseDialectIdentifierHandler implements
DatabaseDialectIdentifierHandler {
-
- @Override
- public boolean isCaseSensitive() {
- return true;
- }
-
- @Override
- public String getDatabaseType() {
- return "PostgreSQL";
- }
-}
diff --git
a/database/connector/dialect/postgresql/src/main/resources/META-INF/services/org.apache.shardingsphere.database.connector.core.metadata.identifier.DatabaseDialectIdentifierHandler
b/database/connector/dialect/postgresql/src/main/resources/META-INF/services/org.apache.shardingsphere.database.connector.core.metadata.identifier.DatabaseDialectIdentifierHandler
deleted file mode 100644
index b991a7531e1..00000000000
---
a/database/connector/dialect/postgresql/src/main/resources/META-INF/services/org.apache.shardingsphere.database.connector.core.metadata.identifier.DatabaseDialectIdentifierHandler
+++ /dev/null
@@ -1,18 +0,0 @@
-#
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements. See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You 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.
-#
-
-org.apache.shardingsphere.database.connector.postgresql.identifier.PostgreSQLDatabaseDialectIdentifierHandler
diff --git
a/database/connector/dialect/presto/src/main/java/org/apache/shardingsphere/database/connector/presto/identifier/PrestoDatabaseDialectIdentifierHandler.java
b/database/connector/dialect/presto/src/main/java/org/apache/shardingsphere/database/connector/presto/identifier/PrestoDatabaseDialectIdentifierHandler.java
deleted file mode 100644
index 5888d823dcc..00000000000
---
a/database/connector/dialect/presto/src/main/java/org/apache/shardingsphere/database/connector/presto/identifier/PrestoDatabaseDialectIdentifierHandler.java
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You 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 org.apache.shardingsphere.database.connector.presto.identifier;
-
-import
org.apache.shardingsphere.database.connector.core.metadata.identifier.DatabaseDialectIdentifierHandler;
-
-/**
- * Database dialect identifier handler for Presto.
- */
-public final class PrestoDatabaseDialectIdentifierHandler implements
DatabaseDialectIdentifierHandler {
-
- @Override
- public boolean isCaseSensitive() {
- return false;
- }
-
- @Override
- public String getDatabaseType() {
- return "Presto";
- }
-}
diff --git
a/database/connector/dialect/presto/src/main/resources/META-INF/services/org.apache.shardingsphere.database.connector.core.metadata.identifier.DatabaseDialectIdentifierHandler
b/database/connector/dialect/presto/src/main/resources/META-INF/services/org.apache.shardingsphere.database.connector.core.metadata.identifier.DatabaseDialectIdentifierHandler
deleted file mode 100644
index d9e78b04152..00000000000
---
a/database/connector/dialect/presto/src/main/resources/META-INF/services/org.apache.shardingsphere.database.connector.core.metadata.identifier.DatabaseDialectIdentifierHandler
+++ /dev/null
@@ -1,18 +0,0 @@
-#
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements. See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You 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.
-#
-
-org.apache.shardingsphere.database.connector.presto.identifier.PrestoDatabaseDialectIdentifierHandler
diff --git
a/database/connector/dialect/sqlserver/src/main/java/org/apache/shardingsphere/database/connector/sqlserver/identifier/SQLServerDatabaseDialectIdentifierHandler.java
b/database/connector/dialect/sqlserver/src/main/java/org/apache/shardingsphere/database/connector/sqlserver/identifier/SQLServerDatabaseDialectIdentifierHandler.java
deleted file mode 100644
index c87c0eb9393..00000000000
---
a/database/connector/dialect/sqlserver/src/main/java/org/apache/shardingsphere/database/connector/sqlserver/identifier/SQLServerDatabaseDialectIdentifierHandler.java
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You 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 org.apache.shardingsphere.database.connector.sqlserver.identifier;
-
-import
org.apache.shardingsphere.database.connector.core.metadata.identifier.DatabaseDialectIdentifierHandler;
-
-/**
- * Database dialect identifier handler for SQLServer.
- */
-public final class SQLServerDatabaseDialectIdentifierHandler implements
DatabaseDialectIdentifierHandler {
-
- @Override
- public boolean isCaseSensitive() {
- return false;
- }
-
- @Override
- public String getDatabaseType() {
- return "SQLServer";
- }
-}
diff --git
a/database/connector/dialect/sqlserver/src/main/resources/META-INF/services/org.apache.shardingsphere.database.connector.core.metadata.identifier.DatabaseDialectIdentifierHandler
b/database/connector/dialect/sqlserver/src/main/resources/META-INF/services/org.apache.shardingsphere.database.connector.core.metadata.identifier.DatabaseDialectIdentifierHandler
deleted file mode 100644
index a9784ea3cd4..00000000000
---
a/database/connector/dialect/sqlserver/src/main/resources/META-INF/services/org.apache.shardingsphere.database.connector.core.metadata.identifier.DatabaseDialectIdentifierHandler
+++ /dev/null
@@ -1,18 +0,0 @@
-#
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements. See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You 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.
-#
-
-org.apache.shardingsphere.database.connector.sqlserver.identifier.SQLServerDatabaseDialectIdentifierHandler
