18 lines
425 B
SQL
18 lines
425 B
SQL
SET @column_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 = 'lingxian_provider_config'
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AND COLUMN_NAME = 'test_room_id'
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);
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SET @ddl := IF(
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@column_exists = 0,
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'ALTER TABLE lingxian_provider_config ADD COLUMN test_room_id VARCHAR(64) DEFAULT NULL AFTER test_token',
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'SELECT 1'
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);
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PREPARE stmt FROM @ddl;
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EXECUTE stmt;
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DEALLOCATE PREPARE stmt;
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