Add search by full text when using Oracle23ai as vector DB (#6559)

docker/startupscripts/init.sh

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+
+DB_INITIALISED="/opt/oracle/oradata/dbinit"
+#[ -f ${DB_INITIALISED} ] && exit
+#touch ${DB_INITIALISED}
+if [ -f ${DB_INITIALISED} ]; then
+  echo 'File exists. Standards for have been Init'
+  exit
+else
+  echo 'File does not exist. Standards for first time Strart up this DB'
+  "$ORACLE_HOME"/bin/sqlplus -s "/ as sysdba" @"/opt/oracle/scripts/startup/init_user.script"; 
+  touch ${DB_INITIALISED}
+fi

docker/startupscripts/init_user.script

@@ -3,3 +3,8 @@ ALTER SYSTEM SET PROCESSES=500 SCOPE=SPFILE;
 alter session set container= freepdb1;
 create user dify identified by dify DEFAULT TABLESPACE users quota unlimited on users;
 grant DB_DEVELOPER_ROLE to dify;
+
+BEGIN
+CTX_DDL.CREATE_PREFERENCE('my_chinese_vgram_lexer','CHINESE_VGRAM_LEXER');
+END;
+/