publicstaticDateTimeFormatDateTime(this DateTime that,stringarg1){ var up = context.Value;if(up.DataType == FreeSql.DataType.PostgreSQL)//重写内容up.Result = $"array_xxx({up.ParsedContent["that"]}, {up.ParsedContent["arg1"]})";returnthat; } } var sql1 = fsql.Select<Model>() .ToSql...
see below */ uint8 t_hoff; /* sizeof header incl. bitmap, padding */ /* ^ - 23 bytes - ^ */ bits8 t_bits[FLEXIBLE_ARRAY_MEMBER]; /* bitmap of NULLs */ /* MORE DATA FOLLOWS AT END OF STRUCT */};(*这部分代码在src/include/access/htup_details...
server started 2021-12-31 14:03:21.441691C [unknown] lightdb@findptdis 10.20.30.193(12146) client backend SELECT 57P01[2021-12-31 13:45:14 UTC] 0 [71437] ERROR: terminating connection due to administrator command 服务器进程被正常或异常重启或停止或kill,包括具体的某个backend进程。 2PC未成功,...
For example, if you choose to have one partition per customer and you currently have a small number of large customers, consider the implications if in several years you instead find yourself with a large number of small customers. In this case, it may be better to choose to partition by ...
Thus a containment query looking for this structure would result in an extremely specific index search; but there is no way at all to find out whether foo appears as a key. On the other hand, a jsonb_ops index would create three index items representing foo, bar, and baz separately; ...
for (rti = 1; rti < root->simple_rel_array_size; rti++) { ... set_rel_pathlist(root, rel, rti, root->simple_rte_array[rti]); } } static void set_rel_pathlist(PlannerInfo *root, RelOptInfo *rel, Index rti, RangeTblEntry *rte) { ....
4、find_in_set()函数(允许在逗号分隔的字符串列表中查找指定字符串的位置) MySQL: SELECT t.dept_id FROM sys_dept t WHERE find_in_set(‘100’, ancestors) PostgreSQL: SELECT t.dept_id FROM sys_dept t WHERE ‘100’ = ANY (string_to_array(ancestors, ‘,’)) ...
数组remove: array_remove(anyArr,anyElem); 获取数组维度:array_ndims(数组) 获取数组的位置:array_postition(arr,findElem) 替换:array_replace(arr,sourceElem,target) TOString:array_to_string(arr,sourceElem,target) 7. 范围类型 int4range:integer范围类型 int8range:bigint范围类型 numrange:numeric 范围...
SELECT * FROM device_repair ps WHERE ps.space_code::jsonb ?? #{dimension, jdbcType=VARCHAR} @InterceptorIgnore(tenantLine = "true") List<DeviceRepairDTO> findRuleByDimension(@Param("dimension") String dimension); 如果是mybatis-plus: ...
, [lexeme][pos num][pos array]} 对于TEXT类型,在更新索引时,会先调用to_tsvector把基表的索引列的字符串转换成TSVector表示的key和位置列表的集合,然后在使用用户自定义的extractValue把TSVector中所有的key提取出来,对每个key创建一个索引元组,然后插入到GIN索引中。 TSQuery TSQuery用来表示全文搜索的查询,PG...