34 lines
741 B
SQL
34 lines
741 B
SQL
-- +goose Up
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SET @has_col := (
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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 = 'flight_data'
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AND column_name = 'pilot_id'
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);
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SET @sql := IF(
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@has_col = 1,
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'ALTER TABLE flight_data MODIFY COLUMN pilot_id BINARY(16) NULL',
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'SELECT 1'
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);
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PREPARE stmt FROM @sql;
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EXECUTE stmt;
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DEALLOCATE PREPARE stmt;
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-- +goose Down
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SET @has_col := (
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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 = 'flight_data'
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AND column_name = 'pilot_id'
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);
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SET @sql := IF(
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@has_col = 1,
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'ALTER TABLE flight_data MODIFY COLUMN pilot_id BINARY(16) NOT NULL',
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'SELECT 1'
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);
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PREPARE stmt FROM @sql;
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EXECUTE stmt;
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DEALLOCATE PREPARE stmt;
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