For the table dump utility, schema specifies the schema that contains the items to be dumped, and tables is an array of strings specifying the tables or views to be dumped. The table dump includes the information required to set up the specified schema in the target MySQL instance, although...
excludeUsers:array of strings Exclude the named user accounts from the import. This option is available from MySQL Shell 8.0.22, and you can use it to exclude user accounts that are not accepted for import to a HeatWave Service DB System, or that already exist or are not wanted on the ...
this must be <= MEM_MAX_ALLOC_IN_BUF @return allocated, zero-filled storage */ UNIV_INLINE void *mem_heap_zalloc(mem_heap_t *heap, ulint n); /** Allocates n bytes of memory from a memory heap. @
array.c-动态数组处理charset.c ---使用动态字符集,设置默认字符集,... charset-def.c-使用以下命令在客户端中包含字符集 checksum.c-计算存储块的校验和,用于pack_isam default.c ---从* .cnf或* .ini文件中查找默认值 default_modify.c-编辑选项文件 errors.c-全局错误的英文文本 hash.c-散列搜索/比较...
Can be true/false or an array of type names to keep as strings. (Default: false) debug: Prints protocol details to stdout. Can be true/false or an array of packet type names that should be printed. (Default: false) trace: Generates stack traces on Error to include call site of ...
Array of Hashes The default result type is set to :hash, but you can override a previous setting to something else with :as => :hash Array of Structs Use:as => :structto bask in dot-notation results Others... I may add support for:as => :csvor even:as => :jsonto allow formu...
一、故事背景 记一次 sql_mode 非严格模式下的业务事故排查。当时数据库没有开启 sql_mode 为严格模式,并且数据表的编码是 utf8,表现为业务侧的 Insert SQL 语句执行成功,但是, 查询表记录的时候,发现字段的数据值缺失。示例:写入一条有特殊字符 𝑥 的记录
so that lookup can use binary search to locate the key quickly. * All the values, in the same order as their corresponding keys. If the document is an array, it has two sections only: the dictionary and the values. If the document is a scalar, it has a single section which contains...
defined order - a JSON array. It is a rare case of wanting an array but not caring what order the elements are. I have had to abandon use of JSON_ARRAYAGG and replace with messy concatenation of strings using group_concat( .. ORDER BY ..) and then converting into json. Ugly, and ...
con.query({sql:'select 1 as foo, 2 as foo',rowsAsArray:true},function(err,results,fields){console.log(results);// in this query, results will be an array of arrays rather than an array of objectsconsole.log(fields);// fields are unchanged}); ...