Yared Yemane
f5e925dc96
Replace rename-based lesson migration with additive sub_module_lessons creation, preserve sub_module_practices as its own model, and enforce QUIZ/PRACTICE filtering in hierarchy reads to prevent cross-mixing. Made-with: Cursor
16 lines
631 B
SQL
16 lines
631 B
SQL
-- Keep practices as a separate feature and introduce lessons as a new table.
|
|
CREATE TABLE IF NOT EXISTS sub_module_lessons (
|
|
id BIGSERIAL PRIMARY KEY,
|
|
sub_module_id BIGINT NOT NULL REFERENCES sub_modules(id) ON DELETE CASCADE,
|
|
question_set_id BIGINT NOT NULL REFERENCES question_sets(id) ON DELETE CASCADE,
|
|
intro_video_url TEXT,
|
|
display_order INT NOT NULL DEFAULT 0,
|
|
is_active BOOLEAN NOT NULL DEFAULT TRUE,
|
|
created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
|
|
UNIQUE(question_set_id)
|
|
);
|
|
|
|
CREATE INDEX IF NOT EXISTS idx_sub_module_lessons_sub_module_id
|
|
ON sub_module_lessons(sub_module_id);
|
|
|