[fix][headless]Fix a set of known issues.

launchers/standalone/src/main/resources/application-mysql.yaml

@@ -1,6 +1,6 @@
 spring:
   datasource:
-    driver-class-name: com.mysql.cj.jdbc.Driver
+    driver-class-name: com.mysql.jdbc.Driver
     url: jdbc:mysql://localhost:3306/mysql?useUnicode=true&characterEncoding=UTF-8&useSSL=false&allowMultiQueries=true&allowPublicKeyRetrieval=true
     username: root
     password:

launchers/standalone/src/main/resources/application-postgres.yaml

@@ -6,21 +6,20 @@ spring:
     password: postgres
   sql:
     init:
-      enabled: false
-      mode: always
+      mode: never
       username: postgres
       password: postgres
       schema-locations: classpath:db/schema-postgres.sql,classpath:db/schema-postgres-demo.sql
       data-locations: classpath:db/data-postgres.sql,classpath:db/data-postgres-demo.sql
 
-#s2:
-#  embedding:
-#    store:
-#      provider: PGVECTOR
-#      base:
-#        url: 127.0.0.1
-#      port: 5432
-#      databaseName: postgres
-#      user: postgres
-#      password: postgres
-#      dimension: 512
+s2:
+  embedding:
+    store:
+      provider: PGVECTOR
+      base:
+        url: 127.0.0.1
+      port: 5432
+      databaseName: postgres
+      user: postgres
+      password: postgres
+      dimension: 512

launchers/standalone/src/main/resources/db/schema-postgres-demo.sql

@@ -5,13 +5,13 @@ CREATE TABLE IF NOT EXISTS s2_user_department (
 );
 
 CREATE TABLE IF NOT EXISTS s2_pv_uv_statis (
-    imp_date varchar(200) NOT NULL,
+    imp_date DATE NOT NULL,
     user_name varchar(200) NOT NULL,
     page varchar(200) NOT NULL
 );
 
 CREATE TABLE IF NOT EXISTS s2_stay_time_statis (
-    imp_date varchar(200) NOT NULL,
+    imp_date DATE NOT NULL,
     user_name varchar(200) NOT NULL,
     stay_hours double precision NOT NULL,
     page varchar(200) NOT NULL