update 优化 SQL 语句和改进 Oracle 数据库的 Date 格式化的修改方式

ruoyi-admin/src/main/resources/application-dev.yml

@@ -92,6 +92,8 @@ spring:
         testOnReturn: false
         # 注意这个值和druid原生不一致，默认启动了stat
         filters: stat
+        # 物理连接初始化的时候执行的 SQL，设置 Oracle 默认的 Date 类型格式化，简化时间查询
+        initConnectionSqls: ALTER SESSION SET NLS_DATE_FORMAT='YYYY-MM-DD HH24:MI:SS'
 
 --- # druid 配置
 spring:

ruoyi-generator/src/main/java/com/ruoyi/generator/service/OracleGenTableServiceImpl.java

@@ -127,9 +127,9 @@ public class OracleGenTableServiceImpl extends BaseGenTableServiceImpl {
         wrapper.apply("dt.table_name = dtc.table_name")
             .apply("dt.table_name = uo.object_name")
             .eq("uo.object_type ", "TABLE")
-            .notLike("dt.table_name", "XXL_JOB_")
+            .apply("dt.table_name not like 'XXL_JOB_%'")
-            .notLike("dt.table_name", "GEN_")
+            .apply("dt.table_name not like 'GEN_%'")
-            .notInSql("lower(dt.table_name)", "select table_name from gen_table")
+            .apply("not exists (select (1) from gen_table gt where gt.table_name = lower(dt.table_name))")
             .like(StringUtils.isNotBlank(genTable.getTableName()), "lower(dt.table_name)", StringUtils.lowerCase(genTable.getTableName()))
             .like(StringUtils.isNotBlank(genTable.getTableComment()), "lower(dt.table_comment)", StringUtils.lowerCase(genTable.getTableComment()))
             .between(params.get("beginTime") != null && params.get("endTime") != null,

ruoyi-generator/src/main/resources/mapper/generator/OracleGenTableMapper.xml

@@ -68,11 +68,10 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
     <select id="selectDbTableListByNames" resultMap="GenTableResult">
         select lower(dt.table_name) as table_name, dtc.comments as table_comment, uo.created as create_time, uo.last_ddl_time as update_time
         from user_tables dt, user_tab_comments dtc, user_objects uo
-        where dt.table_name = dtc.table_name
+        where dt.table_name = dtc.table_name and dt.table_name = uo.object_name
-        and dt.table_name = uo.object_name
         and uo.object_type = 'TABLE'
-        AND dt.table_name NOT LIKE 'XXL_JOB_%' AND dt.table_name NOT LIKE 'GEN_%'
+        and dt.table_name not like 'XXL_JOB_%' and dt.table_name not like 'GEN_%'
-        AND dt.table_name NOT IN (select table_name from gen_table)
+        and not exists (select (1) from gen_table gt where gt.table_name = lower(dt.table_name))
         and lower(dt.table_name) in
         <foreach collection="array" item="name" open="(" separator="," close=")">
             #{name}
@@ -82,11 +81,10 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
     <select id="selectTableByName" parameterType="String" resultMap="GenTableResult">
         select lower(dt.table_name) as table_name, dtc.comments as table_comment, uo.created as create_time, uo.last_ddl_time as update_time
         from user_tables dt, user_tab_comments dtc, user_objects uo
-        where dt.table_name = dtc.table_name
+        where dt.table_name = dtc.table_name and dt.table_name = uo.object_name
-        and dt.table_name = uo.object_name
         and uo.object_type = 'TABLE'
-        AND dt.table_name NOT LIKE 'XXL_JOB_%' AND dt.table_name NOT LIKE 'GEN_%'
+        and dt.table_name not like 'XXL_JOB_%' and dt.table_name not like 'GEN_%'
-        AND dt.table_name NOT IN (select table_name from gen_table)
+        and not exists (select (1) from gen_table gt where gt.table_name = lower(dt.table_name))
         and lower(dt.table_name) = #{tableName}
     </select>
 

script/sql/oracle/oracle_ry_vue_4.X.sql

@@ -952,16 +952,3 @@ begin
 select instr(','||arg2||',' , ','||arg1||',') into Result from dual;
 return(Result);
 end find_in_set;
-
-/ -- 函数分隔符
-
--- ----------------------------
--- 钩子 ，用于session连接之后 自动设置默认的date类型格式化 简化时间查询
--- 如需设置其它配置 可在此钩子内任意增加处理语句
--- 例如： SELECT * FROM sys_user WHERE create_time BETWEEN '2022-03-01 00:00:00' AND '2022-04-01 00:00:00'
--- ----------------------------
-create or replace trigger login_trg
-after logon on database
-begin
-execute immediate 'alter session set nls_date_format=''YYYY-MM-DD HH24:MI:SS''';
-end login_trg;