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### What changes were proposed in this pull request? Remove the unneeded embedded inline HTML markup by using the basic markdown syntax. Please see #28414 ### Why are the changes needed? Make the doc cleaner and easily editable by MD editors. ### Does this PR introduce _any_ user-facing change? No ### How was this patch tested? Manually build and check Closes #28451 from huaxingao/html_cleanup. Authored-by: Huaxin Gao <huaxing@us.ibm.com> Signed-off-by: Sean Owen <srowen@gmail.com>
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layout | title | displayTitle | license |
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global | REFRESH TABLE | REFRESH TABLE | 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. |
Description
REFRESH TABLE
statement invalidates the cached entries, which include data
and metadata of the given table or view. The invalidated cache is populated in
lazy manner when the cached table or the query associated with it is executed again.
Syntax
REFRESH [TABLE] table_identifier
Parameters
-
table_identifier
Specifies a table name, which is either a qualified or unqualified name that designates a table/view. If no database identifier is provided, it refers to a temporary view or a table/view in the current database.
Syntax:
[ database_name. ] table_name
Examples
-- The cached entries of the table will be refreshed
-- The table is resolved from the current database as the table name is unqualified.
REFRESH TABLE tbl1;
-- The cached entries of the view will be refreshed or invalidated
-- The view is resolved from tempDB database, as the view name is qualified.
REFRESH TABLE tempDB.view1;