36 lines
887 B
SQL
36 lines
887 B
SQL
SET @traffic_limit_exists = (
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SELECT COUNT(*)
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FROM INFORMATION_SCHEMA.COLUMNS
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WHERE TABLE_SCHEMA = DATABASE()
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AND TABLE_NAME = 'user_subscribe'
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AND COLUMN_NAME = 'traffic_limit'
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);
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SET @traffic_limit_sql = IF(
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@traffic_limit_exists = 1,
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'ALTER TABLE `user_subscribe` DROP COLUMN `traffic_limit`',
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'SELECT 1'
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);
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PREPARE traffic_limit_stmt FROM @traffic_limit_sql;
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EXECUTE traffic_limit_stmt;
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DEALLOCATE PREPARE traffic_limit_stmt;
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SET @speed_limit_exists = (
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SELECT COUNT(*)
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FROM INFORMATION_SCHEMA.COLUMNS
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WHERE TABLE_SCHEMA = DATABASE()
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AND TABLE_NAME = 'user_subscribe'
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AND COLUMN_NAME = 'speed_limit'
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);
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SET @speed_limit_sql = IF(
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@speed_limit_exists = 1,
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'ALTER TABLE `user_subscribe` DROP COLUMN `speed_limit`',
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'SELECT 1'
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);
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PREPARE speed_limit_stmt FROM @speed_limit_sql;
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EXECUTE speed_limit_stmt;
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DEALLOCATE PREPARE speed_limit_stmt;
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