[GitHub] [inlong] haibo-duan commented on a diff in pull request #5263: [INLONG-5228][Manager] Support create SQLServer databases and tables

[GitBox <gi...@apache.org>]

haibo-duan commented on code in PR #5263:
URL: https://github.com/apache/inlong/pull/5263#discussion_r934000078


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inlong-manager/manager-service/src/main/java/org/apache/inlong/manager/service/resource/sink/sqlserver/SQLServerSqlBuilder.java:
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@@ -0,0 +1,255 @@
+/*
+ * 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.inlong.manager.service.resource.sink.sqlserver;
+
+import org.apache.commons.collections.CollectionUtils;
+import org.apache.commons.lang3.StringUtils;
+import org.apache.inlong.manager.pojo.sink.sqlserver.SQLServerColumnInfo;
+import org.apache.inlong.manager.pojo.sink.sqlserver.SQLServerTableInfo;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Builder the SQL string for SQLServer.
+ */
+public class SQLServerSqlBuilder {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(SQLServerSqlBuilder.class);
+
+    /**
+     * Build SQL to check whether the table exists.
+     *
+     * @param schemaName SQLServer schema name
+     * @param tableName SQLServer table name
+     * @return the check table SQL string
+     */
+    public static String getCheckTable(String schemaName, String tableName) {
+        StringBuilder sqlBuilder = new StringBuilder();
+        sqlBuilder.append("SELECT COUNT(1) ")
+                .append(" FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA = '")
+                .append(schemaName)
+                .append("' AND TABLE_NAME = '")
+                .append(tableName)
+                .append("' ;");
+        LOGGER.info("check table sql: {}", sqlBuilder);
+        return sqlBuilder.toString();
+    }
+
+    /**
+     * Build SQL to check whether the column exists.
+     *
+     * @param schemaName SQLServer schema name
+     * @param tableName SQLServer table name
+     * @param columnName SQLServer column name
+     * @return the check column SQL string
+     */
+    public static String getCheckColumn(String schemaName, String tableName, String columnName) {
+        StringBuilder sqlBuilder = new StringBuilder();
+        sqlBuilder.append("SELECT COUNT(1) ")
+                .append(" FROM  INFORMATION_SCHEMA.COLUMNS WHERE TABLE_SCHEMA='")
+                .append(schemaName)
+                .append("' AND TABLE_NAME = '")
+                .append(tableName)
+                .append("' AND COLUMN_NAME = '")
+                .append(columnName)
+                .append("';");
+        LOGGER.info("check table sql: {}", sqlBuilder);
+        return sqlBuilder.toString();
+    }
+
+    /**
+     * Build SQL to check whether the schema exists.
+     *
+     * @param schemaName
+     * @return
+     */
+    public static String getCheckSchema(String schemaName) {
+        StringBuilder sqlBuilder = new StringBuilder();
+        sqlBuilder.append("SELECT COUNT(1) FROM INFORMATION_SCHEMA.SCHEMATA WHERE SCHEMA_NAME ='")
+                .append(schemaName)
+                .append("';");
+        LOGGER.info("check schema sql: {}", sqlBuilder);
+        return sqlBuilder.toString();
+    }
+
+    /**
+     * Build create schema SQL.
+     *
+     * @param schemaName SQLServer schema name
+     * @return
+     */
+    public static String buildCreateSchemaSql(String schemaName) {
+        return new StringBuilder()
+                .append("CREATE SCHEMA \"")
+                .append(schemaName)
+                .append("\" AUTHORIZATION dbo ;")
+                .toString();
+    }
+
+    /**
+     * Build create table SQL by SQLServerTableInfo.
+     *
+     * @param table SQLServer table info {@link SQLServerTableInfo}
+     * @return the create table SQL String
+     */
+    public static List<String> buildCreateTableSql(SQLServerTableInfo table) {
+        List<String> sqls = new ArrayList<>();
+        StringBuilder sql = new StringBuilder();
+        // Support _ beginning with underscore
+        sql.append("CREATE TABLE ").append(table.getSchemaName())
+                .append(".")
+                .append(table.getTableName());
+
+        // Construct columns and partition columns
+        sql.append(buildCreateColumnsSql(table));
+        sqls.add(sql.toString());
+        table.getColumns().stream().filter(column -> StringUtils.isNotEmpty(column.getComment()))

Review Comment:
   OK



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