danny0405 commented on a change in pull request #8844:
[FLINK-12951][table-planner] Add logic to bridge DDL to table source(…
URL: https://github.com/apache/flink/pull/8844#discussion_r300222616
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File path:
flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/TableEnvironmentImpl.java
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@@ -245,6 +247,57 @@ public String explain(Table table) {
return planner.getCompletionHints(statement, position);
}
+ @Override
+ public void sql(String statement) {
+ List<Operation> operations = planner.parse(statement);
+ operations.forEach(operation -> {
+ if (operation instanceof CreateTableOperation) {
+ CreateTableOperation operation1 =
(CreateTableOperation) operation;
+ registerTable(
+ operation1.getTablePath(),
+ operation1.getCatalogTable(),
+ operation1.isIgnoreIfExists());
+ } else if (operation instanceof ModifyOperation) {
+ queryConfigProvider.setConfig(new
StreamQueryConfig());
+ List<Transformation<?>> transformations =
+
planner.translate(Collections.singletonList((ModifyOperation) operation));
+
+ execEnv.apply(transformations);
+ } else {
+ throw new ValidationException(
+ "Unsupported SQL statement: sql() only
accepts DDLs or Inserts.");
+ }
+ });
+ }
+
+ /**
+ * Registers a {@link CatalogBaseTable} under a given object path. The
{@code path} could be
+ * 3 formats:
+ * <ol>
+ * <li>`catalog.db.table`: A full table path including the catalog
name,
+ * the database name and table name.</li>
+ * <li>`db.table`: database name following table name, with the
current catalog name.</li>
+ * <li>`table`: Only the table name, with the current catalog name
and database name.</li>
+ * </ol>
+ * The registered tables then can be referenced in Sql queries.
+ *
+ * @param path The path under which the table will be
registered
+ * @param catalogTable The table to register
+ * @param ignoreIfExists If true, do nothing if there is already same
table name under
+ * the {@code path}. If false, a
TableAlreadyExistException throws.
+ */
+ private void registerTable(String[] path, CatalogBaseTable
catalogTable, boolean ignoreIfExists) {
Review comment:
merged into `registerTableInternal`
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