Files
mostlymatter/db/migrations/mysql/000050_create_channelmembers.up.sql
2022-01-08 10:16:07 +02:00

87 строки
2.6 KiB
SQL

CREATE TABLE IF NOT EXISTS ChannelMembers (
ChannelId varchar(26) NOT NULL,
UserId varchar(26) NOT NULL,
Roles varchar(64),
LastViewedAt bigint(20),
MsgCount bigint(20),
MentionCount bigint(20),
NotifyProps text,
LastUpdateAt bigint(20),
PRIMARY KEY (ChannelId, UserId)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
SET @preparedStatement = (SELECT IF(
(
SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
WHERE table_name = 'ChannelMembers'
AND table_schema = DATABASE()
AND index_name = 'idx_channelmembers_user_id'
) > 0,
'SELECT 1',
'CREATE INDEX idx_channelmembers_user_id ON ChannelMembers(UserId);'
));
PREPARE createIndexIfNotExists FROM @preparedStatement;
EXECUTE createIndexIfNotExists;
DEALLOCATE PREPARE createIndexIfNotExists;
SET @preparedStatement = (SELECT IF(
(
SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
WHERE table_name = 'ChannelMembers'
AND table_schema = DATABASE()
AND column_name = 'SchemeUser'
) > 0,
'SELECT 1',
'ALTER TABLE ChannelMembers ADD COLUMN SchemeUser tinyint(4);' -- this was tinyint(4) on my instance
));
PREPARE alterIfNotExists FROM @preparedStatement;
EXECUTE alterIfNotExists;
DEALLOCATE PREPARE alterIfNotExists;
SET @preparedStatement = (SELECT IF(
(
SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
WHERE table_name = 'ChannelMembers'
AND table_schema = DATABASE()
AND column_name = 'SchemeAdmin'
) > 0,
'SELECT 1',
'ALTER TABLE ChannelMembers ADD COLUMN SchemeAdmin tinyint(4);' -- this was tinyint(4) on my instance
));
PREPARE alterIfNotExists FROM @preparedStatement;
EXECUTE alterIfNotExists;
DEALLOCATE PREPARE alterIfNotExists;
SET @preparedStatement = (SELECT IF(
(
SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
WHERE table_name = 'ChannelMembers'
AND table_schema = DATABASE()
AND column_name = 'SchemeGuest'
) > 0,
'SELECT 1',
'ALTER TABLE ChannelMembers ADD COLUMN SchemeGuest tinyint(4);' -- this was tinyint(4) on my instance
));
PREPARE alterIfNotExists FROM @preparedStatement;
EXECUTE alterIfNotExists;
DEALLOCATE PREPARE alterIfNotExists;
SET @preparedStatement = (SELECT IF(
(
SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
WHERE table_name = 'ChannelMembers'
AND table_schema = DATABASE()
AND index_name = 'idx_channelmembers_channel_id'
) > 0,
'DROP INDEX idx_channelmembers_channel_id ON ChannelMembers;',
'SELECT 1'
));
PREPARE removeIndexIfExists FROM @preparedStatement;
EXECUTE removeIndexIfExists;
DEALLOCATE PREPARE removeIndexIfExists;