| CREATE TYPE campus_code AS ENUM ( 'MAIN', 'GZ' );;; |
| CREATE TYPE campus_name AS ENUM ( 'CWB Campus', 'GZ Campus' );;; |
| CREATE TYPE campus_nickname AS ENUM ( 'CWB', 'GZ' );;; |
| CREATE TYPE career AS ENUM ( 'UGRD', 'TPG', 'RPG', 'EXEC' );;; |
| CREATE TYPE career_type AS ENUM ( 'UG', 'PG' );;; |
| CREATE TYPE class_role AS ENUM ( 'E', 'N' );;; |
| CREATE TYPE class_type AS ENUM ( 'LEC', 'TUT', 'LAB', 'IND' );;; |
| CREATE TYPE status AS ENUM ( 'ACTIVE', 'INACTIVE' );;; |
| CREATE TYPE weekday AS ENUM ( 'Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat' );;; |
| CREATE TABLE classes(term_num INTEGER, term_code VARCHAR NOT NULL, term_name VARCHAR NOT NULL, course_id VARCHAR, section VARCHAR, number INTEGER NOT NULL, "role" ENUM('E', 'N') NOT NULL, "type" ENUM('LEC', 'TUT', 'LAB', 'IND') NOT NULL, association INTEGER, remarks VARCHAR NOT NULL, capacity INTEGER NOT NULL, enroll INTEGER NOT NULL, wait INTEGER NOT NULL, consent BOOLEAN NOT NULL, open BOOLEAN NOT NULL, schedules STRUCT(weekday ENUM('Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'), date_from DATE, date_to DATE, time_from TIME, time_to TIME, venue VARCHAR, venue_name VARCHAR, instructors VARCHAR[])[] NOT NULL, reservations STRUCT("name" VARCHAR, quota INTEGER, enroll INTEGER)[] NOT NULL, status ENUM('ACTIVE', 'INACTIVE') NOT NULL, "timestamp" TIMESTAMP WITH TIME ZONE, PRIMARY KEY(term_num, course_id, section, "timestamp"));; |
| CREATE TABLE classes_legacy(term_num INTEGER, term_code VARCHAR NOT NULL, term_name VARCHAR NOT NULL, course_code VARCHAR, prefix VARCHAR NOT NULL, course_number VARCHAR NOT NULL, section VARCHAR, number INTEGER NOT NULL, remarks VARCHAR NOT NULL, capacity INTEGER NOT NULL, enroll INTEGER NOT NULL, wait INTEGER NOT NULL, consent BOOLEAN NOT NULL, schedules STRUCT(instructors VARCHAR[], venue_name VARCHAR, date_from DATE, date_to DATE, weekdays INTEGER[], time_from TIME, time_to TIME)[] NOT NULL, reservations STRUCT("name" VARCHAR, quota INTEGER, enroll INTEGER)[] NOT NULL, status ENUM('ACTIVE', 'INACTIVE') NOT NULL, "timestamp" TIMESTAMP WITH TIME ZONE NOT NULL, source_commit VARCHAR, source_order BIGINT NOT NULL, PRIMARY KEY(term_num, course_code, section, source_commit));; |
| CREATE TABLE courses(term_num INTEGER, term_code VARCHAR NOT NULL, term_name VARCHAR NOT NULL, id VARCHAR NOT NULL, prefix VARCHAR, number VARCHAR, career ENUM('UGRD', 'TPG', 'RPG', 'EXEC') NOT NULL, title VARCHAR NOT NULL, description VARCHAR NOT NULL, credits DOUBLE NOT NULL, previous VARCHAR NOT NULL, prerequisite VARCHAR NOT NULL, corequisite VARCHAR NOT NULL, exclusion VARCHAR NOT NULL, attributes STRUCT("label" VARCHAR, "value" VARCHAR, description VARCHAR)[] NOT NULL, status ENUM('ACTIVE', 'INACTIVE') NOT NULL, "timestamp" TIMESTAMP WITH TIME ZONE, PRIMARY KEY(term_num, prefix, number, "timestamp"));; |
| CREATE TABLE courses_legacy(term_num INTEGER, term_code VARCHAR NOT NULL, term_name VARCHAR NOT NULL, course_code VARCHAR NOT NULL, career VARCHAR NOT NULL, prefix VARCHAR, number VARCHAR, title VARCHAR NOT NULL, description VARCHAR NOT NULL, credits DOUBLE NOT NULL, previous VARCHAR NOT NULL, prerequisite VARCHAR NOT NULL, corequisite VARCHAR NOT NULL, exclusion VARCHAR NOT NULL, attributes STRUCT("label" VARCHAR, "value" VARCHAR, attribute_description VARCHAR, value_description VARCHAR)[] NOT NULL, status ENUM('ACTIVE', 'INACTIVE') NOT NULL, "timestamp" TIMESTAMP WITH TIME ZONE NOT NULL, source_commit VARCHAR, source_order BIGINT NOT NULL, PRIMARY KEY(term_num, prefix, number, source_commit));; |
| CREATE VIEW class_records AS (SELECT CAST('api' AS VARCHAR) AS "version", CAST(NULL AS VARCHAR) AS source_commit, CAST(NULL AS BIGINT) AS source_order, "class".term_num, "class".term_code, "class".term_name, "class".course_id, course.prefix, course.number AS course_number, concat(course.prefix, ' ', course.number) AS course_code, "class".section, "class".number, "class"."role", "class"."type", "class".association, "class".remarks, "class".capacity, "class".enroll, "class".wait, "class".consent, "class".open, "class".schedules, "class".reservations, "class".status, "class"."timestamp" FROM classes AS "class" LEFT JOIN (SELECT prefix, number FROM courses AS course WHERE ((course.term_num = "class".term_num) AND (course.id = "class".course_id) AND (course."timestamp" <= "class"."timestamp")) ORDER BY course."timestamp" DESC LIMIT 1) AS course ON (CAST('t' AS BOOLEAN))) UNION ALL BY NAME (SELECT CAST('legacy' AS VARCHAR) AS "version", source_commit, source_order, term_num, term_code, term_name, CAST(NULL AS VARCHAR) AS course_id, prefix, course_number, concat(prefix, ' ', course_number) AS course_code, section, number, CAST(NULL AS class_role) AS "role", CAST(NULL AS class_type) AS "type", CAST(NULL AS INTEGER) AS association, remarks, capacity, enroll, wait, consent, CAST(NULL AS BOOLEAN) AS open, flatten(list_transform(schedules, (schedule -> list_transform(schedule.weekdays, ("day" -> main.struct_pack(weekday := list_extract(main.list_value(CAST('Mon' AS weekday), CAST('Tue' AS weekday), CAST('Wed' AS weekday), CAST('Thu' AS weekday), CAST('Fri' AS weekday), CAST('Sat' AS weekday), CAST('Sun' AS weekday)), "day"), date_from := schedule.date_from, date_to := schedule.date_to, time_from := schedule.time_from, time_to := schedule.time_to, venue := CAST(NULL AS VARCHAR), venue_name := schedule.venue_name, instructors := schedule.instructors)))))) AS schedules, reservations, status, "timestamp" FROM classes_legacy);; |
| CREATE VIEW course_records AS (SELECT CAST('api' AS VARCHAR) AS "version", CAST(NULL AS VARCHAR) AS source_commit, CAST(NULL AS BIGINT) AS source_order, term_num, term_code, term_name, id, prefix, number, career, title, description, credits, previous, prerequisite, corequisite, exclusion, attributes, status, "timestamp" FROM courses) UNION ALL BY NAME (SELECT CAST('legacy' AS VARCHAR) AS "version", source_commit, source_order, term_num, term_code, term_name, CAST(NULL AS VARCHAR) AS id, prefix, number, CAST(career AS career) AS career, title, description, credits, previous, prerequisite, corequisite, exclusion, list_transform(attributes, ("attribute" -> main.struct_pack("label" := "attribute"."label", "value" := "attribute"."value", description := "attribute".value_description))) AS attributes, status, "timestamp" FROM courses_legacy);; |
| CREATE INDEX idx_classes_active_latest ON classes(term_num, status, course_id, section, "timestamp");; |
| CREATE INDEX idx_classes_course_id ON classes(course_id);; |
| CREATE INDEX idx_classes_course_id_section ON classes(course_id, section);; |
| CREATE INDEX idx_classes_latest ON classes(term_num, course_id, section, "timestamp");; |
| CREATE INDEX idx_classes_legacy_latest ON classes_legacy(term_num, course_code, section, "timestamp", source_order);; |
| CREATE INDEX idx_classes_number ON classes(number);; |
| CREATE INDEX idx_classes_term_code ON classes(term_code);; |
| CREATE INDEX idx_classes_term_num ON classes(term_num);; |
| CREATE INDEX idx_courses_active_latest ON courses(term_num, status, prefix, number, "timestamp");; |
| CREATE INDEX idx_courses_id ON courses(id);; |
| CREATE INDEX idx_courses_latest ON courses(term_num, prefix, number, "timestamp");; |
| CREATE INDEX idx_courses_legacy_latest ON courses_legacy(term_num, prefix, number, "timestamp", source_order);; |
| CREATE INDEX idx_courses_prefix ON courses(prefix);; |
| CREATE INDEX idx_courses_prefix_number ON courses(prefix, number);; |
| CREATE INDEX idx_courses_term_code ON courses(term_code);; |
| CREATE INDEX idx_courses_term_num ON courses(term_num);; |
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