20 lines
665 B
SQL
20 lines
665 B
SQL
--
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-- Add MaxImageBufferCount, set it to ImageBufferCount if that was large and set ImageBufferCount to 3
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--
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SET @s = (SELECT IF(
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(SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS WHERE table_schema = DATABASE()
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AND table_name = 'Monitors'
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AND column_name = 'MaxImageBufferCount'
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) > 0,
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"SELECT 'Column MaxImageBufferCount already exists in Monitors'",
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"ALTER TABLE `Monitors` ADD `MaxImageBufferCount` smallint(5) unsigned NOT NULL default '0' AFTER `ImageBufferCount`"
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));
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PREPARE stmt FROM @s;
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EXECUTE stmt;
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UPDATE `Monitors` SET MaxImageBufferCount=ImageBufferCount WHERE ImageBufferCount >= 20;
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UPDATE `Monitors` SET ImageBufferCount = 3;
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