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91 lines
2.7 KiB
SQL
91 lines
2.7 KiB
SQL
--
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-- Licensed to the Apache Software Foundation (ASF) under one
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-- or more contributor license agreements. See the NOTICE file
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-- distributed with this work for additional information
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-- regarding copyright ownership. The ASF licenses this file
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-- to you under the Apache License, Version 2.0 (the
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-- "License"); you may not use this file except in compliance
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-- with the License. You may obtain a copy of the License at
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--
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-- http://www.apache.org/licenses/LICENSE-2.0
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--
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-- Unless required by applicable law or agreed to in writing,
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-- software distributed under the License is distributed on an
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-- "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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-- KIND, either express or implied. See the License for the
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-- specific language governing permissions and limitations
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-- under the License.
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--
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--
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-- User and connection IDs within history table can now be null
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--
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ALTER TABLE guacamole_connection_history
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ALTER COLUMN user_id SET DEFAULT NULL,
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ALTER COLUMN user_id DROP NOT NULL;
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ALTER TABLE guacamole_connection_history
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ALTER COLUMN connection_id SET DEFAULT NULL,
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ALTER COLUMN connection_id DROP NOT NULL;
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--
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-- Add new username and connection_name columns to history table
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--
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ALTER TABLE guacamole_connection_history
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ADD COLUMN username varchar(128);
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ALTER TABLE guacamole_connection_history
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ADD COLUMN connection_name varchar(128);
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--
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-- Populate new name columns by joining corresponding tables
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--
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UPDATE guacamole_connection_history
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SET username = guacamole_user.username
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FROM guacamole_user
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WHERE guacamole_user.user_id = guacamole_connection_history.user_id;
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UPDATE guacamole_connection_history
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SET connection_name = guacamole_connection.connection_name
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FROM guacamole_connection
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WHERE guacamole_connection.connection_id =
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guacamole_connection_history.connection_id;
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--
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-- Set NOT NULL now that the column is fully populated
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--
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ALTER TABLE guacamole_connection_history
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ALTER COLUMN username SET NOT NULL;
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ALTER TABLE guacamole_connection_history
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ALTER COLUMN connection_name SET NOT NULL;
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--
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-- Remove old foreign key constraints with ON DELETE CASCADE
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--
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ALTER TABLE guacamole_connection_history
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DROP CONSTRAINT guacamole_connection_history_ibfk_1;
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ALTER TABLE guacamole_connection_history
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DROP CONSTRAINT guacamole_connection_history_ibfk_2;
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--
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-- Recreate foreign key constraints with ON DELETE SET NULL
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--
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ALTER TABLE guacamole_connection_history
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ADD CONSTRAINT guacamole_connection_history_ibfk_1
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FOREIGN KEY (user_id)
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REFERENCES guacamole_user (user_id) ON DELETE SET NULL;
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ALTER TABLE guacamole_connection_history
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ADD CONSTRAINT guacamole_connection_history_ibfk_2
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FOREIGN KEY (connection_id)
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REFERENCES guacamole_connection (connection_id) ON DELETE SET NULL;
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