zjuwangg commented on a change in pull request #10296: [FLINK-14691][table]Add
use/create/drop/alter database operation and support it in flink/blink planner
URL: https://github.com/apache/flink/pull/10296#discussion_r349991863
##########
File path:
flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/TableEnvironmentImpl.java
##########
@@ -469,18 +475,57 @@ public void sqlUpdate(String stmt) {
createTableOperation.getCatalogTable(),
createTableOperation.getTableIdentifier(),
createTableOperation.isIgnoreIfExists());
+ } else if (operation instanceof CreateDatabaseOperation) {
+ CreateDatabaseOperation createDatabaseOperation =
(CreateDatabaseOperation) operation;
+
catalogManager.createDatabase(createDatabaseOperation.getCatalogName(),
+
createDatabaseOperation.getDatabaseName(),
+
createDatabaseOperation.getCatalogDatabase(),
+
createDatabaseOperation.isIgnoreIfExists(),
+
false);
} else if (operation instanceof DropTableOperation) {
DropTableOperation dropTableOperation =
(DropTableOperation) operation;
catalogManager.dropTable(
dropTableOperation.getTableIdentifier(),
dropTableOperation.isIfExists());
- } else if (operation instanceof UseCatalogOperation) {
- UseCatalogOperation useCatalogOperation =
(UseCatalogOperation) operation;
-
catalogManager.setCurrentCatalog(useCatalogOperation.getCatalogName());
+ } else if (operation instanceof DropDatabaseOperation) {
+ DropDatabaseOperation dropDatabaseOperation =
(DropDatabaseOperation) operation;
+ catalogManager.dropDatabase(
+ dropDatabaseOperation.getCatalogName(),
+ dropDatabaseOperation.getDatabaseName(),
+ dropDatabaseOperation.isIfExists(),
+ dropDatabaseOperation.isRestrict(),
+ false);
+ } else if (operation instanceof AlterDatabaseOperation) {
+ AlterDatabaseOperation alterDatabaseOperation =
(AlterDatabaseOperation) operation;
+ catalogManager.alterDatabase(
+ alterDatabaseOperation.getCatalogName(),
+
alterDatabaseOperation.getDatabaseName(),
+
alterDatabaseOperation.getCatalogDatabase(),
+ false);
+ } else if (operation instanceof UseOperation) {
+ applyUseOperation((UseOperation) operation);
} else {
throw new TableException(
"Unsupported SQL query! sqlUpdate() only
accepts a single SQL statements of " +
- "type INSERT, CREATE TABLE, DROP TABLE,
USE CATALOG");
+ "type INSERT, CREATE TABLE, DROP TABLE,
USE CATALOG, USE [catalog.]database, " +
+ "CREATE DATABASE, DROP DATABASE, ALTER
DATABASE");
Review comment:
Yes, but now we can't infer the type of unknown. We can do a refactor later.
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