46 lines
1.6 KiB
SQL
46 lines
1.6 KiB
SQL
-- +goose Up
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SET @has_manual := (
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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 = 'helicopter_usage'
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AND column_name = 'manual_airframe_hours'
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);
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SET @sql := IF(
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@has_manual = 0,
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'ALTER TABLE helicopter_usage
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ADD COLUMN manual_airframe_hours DECIMAL(12,2) NOT NULL DEFAULT 0,
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ADD COLUMN manual_airframe_cycles INT NOT NULL DEFAULT 0,
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ADD COLUMN manual_engine_1_hours DECIMAL(12,2) NOT NULL DEFAULT 0,
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ADD COLUMN manual_engine_1_gpc_ng_n1 DECIMAL(12,2) NOT NULL DEFAULT 0,
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ADD COLUMN manual_engine_1_ptc_nf_n2 DECIMAL(12,2) NOT NULL DEFAULT 0,
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ADD COLUMN manual_engine_2_hours DECIMAL(12,2) NOT NULL DEFAULT 0,
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ADD COLUMN manual_engine_2_gpc_ng_n1 DECIMAL(12,2) NOT NULL DEFAULT 0,
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ADD COLUMN manual_engine_2_ptc_nf_n2 DECIMAL(12,2) NOT NULL DEFAULT 0,
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ADD COLUMN manual_landing INT NOT NULL DEFAULT 0,
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ADD COLUMN manual_flight_report INT NOT NULL DEFAULT 0,
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ADD COLUMN manual_hook_release INT NOT NULL DEFAULT 0,
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ADD COLUMN manual_rotor_brake_cycle INT NOT NULL DEFAULT 0',
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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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ALTER TABLE helicopter_usage
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DROP COLUMN manual_airframe_hours,
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DROP COLUMN manual_airframe_cycles,
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DROP COLUMN manual_engine_1_hours,
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DROP COLUMN manual_engine_1_gpc_ng_n1,
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DROP COLUMN manual_engine_1_ptc_nf_n2,
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DROP COLUMN manual_engine_2_hours,
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DROP COLUMN manual_engine_2_gpc_ng_n1,
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DROP COLUMN manual_engine_2_ptc_nf_n2,
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DROP COLUMN manual_landing,
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DROP COLUMN manual_flight_report,
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DROP COLUMN manual_hook_release,
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DROP COLUMN manual_rotor_brake_cycle;
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