connection success

backend/sql/opengauss-init.sql

@@ -3,7 +3,9 @@ CREATE TABLE IF NOT EXISTS portal_user (
     username VARCHAR(64) NOT NULL UNIQUE,
     email VARCHAR(128) NOT NULL UNIQUE,
     password_hash VARCHAR(255) NOT NULL,
-    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    last_school_student_id VARCHAR(64),
+    last_school_semester VARCHAR(64)
 );
 
 CREATE TABLE IF NOT EXISTS portal_file (
@@ -23,6 +25,8 @@ CREATE TABLE IF NOT EXISTS portal_course (
     id BIGSERIAL PRIMARY KEY,
     user_id BIGINT NOT NULL REFERENCES portal_user (id),
     course_name VARCHAR(255) NOT NULL,
+    semester VARCHAR(64),
+    student_id VARCHAR(64),
     teacher VARCHAR(255),
     classroom VARCHAR(255),
     day_of_week INTEGER,
@@ -37,10 +41,13 @@ CREATE TABLE IF NOT EXISTS portal_grade (
     course_name VARCHAR(255) NOT NULL,
     grade DOUBLE PRECISION NOT NULL,
     semester VARCHAR(64) NOT NULL,
+    student_id VARCHAR(64),
     created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
 );
 
 CREATE INDEX IF NOT EXISTS idx_user_created_at ON portal_user (created_at);
 CREATE INDEX IF NOT EXISTS idx_file_created_at ON portal_file (created_at);
+CREATE INDEX IF NOT EXISTS idx_course_user_semester ON portal_course (user_id, semester, student_id);
 CREATE INDEX IF NOT EXISTS idx_course_user_created ON portal_course (user_id, created_at);
+CREATE INDEX IF NOT EXISTS idx_grade_user_semester ON portal_grade (user_id, semester, student_id);
 CREATE INDEX IF NOT EXISTS idx_grade_user_created ON portal_grade (user_id, created_at);