63 lines
3.5 KiB
SQL
63 lines
3.5 KiB
SQL
-- Teacher lesson submissions and immutable video candidates.
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-- Requires 20260909_curriculum_publication_identity.sql.
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CREATE TABLE IF NOT EXISTS `teacher_submissions` (
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`id` BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
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`uuid` CHAR(36) NOT NULL,
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`teacher_id` BIGINT UNSIGNED NOT NULL,
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`curriculum_lesson_id` BIGINT UNSIGNED NOT NULL,
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`status` ENUM('draft','uploading','review','published','withdrawn','archived') NOT NULL DEFAULT 'draft',
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`current_published_video_version_id` BIGINT UNSIGNED NULL,
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`created_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
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`updated_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
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PRIMARY KEY (`id`),
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UNIQUE KEY `uq_teacher_submission_uuid` (`uuid`),
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UNIQUE KEY `uq_teacher_curriculum_submission` (`teacher_id`,`curriculum_lesson_id`),
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KEY `idx_submission_lesson_status` (`curriculum_lesson_id`,`status`),
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CONSTRAINT `fk_submission_teacher` FOREIGN KEY (`teacher_id`) REFERENCES `teachers` (`id`) ON DELETE RESTRICT,
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CONSTRAINT `fk_submission_curriculum_lesson` FOREIGN KEY (`curriculum_lesson_id`) REFERENCES `curriculum_lessons` (`id`) ON DELETE RESTRICT
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
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CREATE TABLE IF NOT EXISTS `video_versions` (
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`id` BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
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`uuid` CHAR(36) NOT NULL,
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`teacher_submission_id` BIGINT UNSIGNED NOT NULL,
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`version_number` INT UNSIGNED NOT NULL,
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`status` ENUM('draft','uploading','review','rejected','published','superseded','withdrawn') NOT NULL DEFAULT 'draft',
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`replaces_video_version_id` BIGINT UNSIGNED NULL,
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`source_lesson_id` BIGINT UNSIGNED NULL,
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`upload_audit_id` BIGINT UNSIGNED NULL,
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`content_sha256` CHAR(64) NULL,
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`review_report_json` JSON NULL,
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`published_at` TIMESTAMP NULL DEFAULT NULL,
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`created_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
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`updated_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
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PRIMARY KEY (`id`),
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UNIQUE KEY `uq_video_version_uuid` (`uuid`),
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UNIQUE KEY `uq_submission_version` (`teacher_submission_id`,`version_number`),
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KEY `idx_video_version_status` (`teacher_submission_id`,`status`),
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CONSTRAINT `fk_video_version_submission` FOREIGN KEY (`teacher_submission_id`) REFERENCES `teacher_submissions` (`id`) ON DELETE RESTRICT,
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CONSTRAINT `fk_video_version_replacement` FOREIGN KEY (`replaces_video_version_id`) REFERENCES `video_versions` (`id`) ON DELETE RESTRICT
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
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ALTER TABLE `teacher_submissions`
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ADD CONSTRAINT `fk_submission_current_version`
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FOREIGN KEY (`current_published_video_version_id`) REFERENCES `video_versions` (`id`) ON DELETE RESTRICT;
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CREATE TABLE IF NOT EXISTS `submission_idempotency_keys` (
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`id` BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
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`teacher_id` BIGINT UNSIGNED NOT NULL,
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`operation` VARCHAR(64) NOT NULL,
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`idempotency_key` VARCHAR(128) NOT NULL,
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`request_sha256` CHAR(64) NOT NULL,
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`response_json` JSON NULL,
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`http_status` SMALLINT UNSIGNED NULL,
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`created_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
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PRIMARY KEY (`id`),
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UNIQUE KEY `uq_submission_idempotency` (`teacher_id`,`operation`,`idempotency_key`),
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CONSTRAINT `fk_submission_idempotency_teacher` FOREIGN KEY (`teacher_id`) REFERENCES `teachers` (`id`) ON DELETE RESTRICT
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
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-- Rollback: preserve submissions and versions. Withdraw affected publications;
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-- do not drop records that may be referenced by student progress or review data.
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