该产品形态需要下线,已完成客户实例全部下线、后端服务下线等 【接口下线中,请勿使用】本接口 (CreateServerlessDBInstance) 用于创建一个ServerlessDB实例,创建成功返回实例ID。 默认接口请求频率限制:100次/秒。 2. 输入参数 以下请求参数列表仅列出了接口请求参数和部分公共参数,完整公共参数列表见公共
*/ if (strchr(cp1, '\\') != NULL) *cp2++ = ESCAPE_STRING_SYNTAX; *cp2++ = '\''; while (*cp1) { if (SQL_STR_DOUBLE(*cp1, true)) *cp2++ = *cp1; *cp2++ = *cp1++; } strcpy(cp2, "'::pg_catalog.refcursor"); curname_def->query = pstrdup(buf); curname_def->...
* A zero or negative value for the end position can happen if the * start was negative or one. SQL99 says to return a zero-length * string. */if(E <1)returnPG_STR_GET_BYTEA(""); L1 = E - S1; }/* * If the start position is past the end of the string, SQL99 says to ...
char_length(string) int 字串中的字符个数 char_length('jose') 4 convert(string using conversion_name) text 使用指定的转换名字改变编码。 convert('PostgreSQL' using iso_8859_1_to_utf8) 'PostgreSQL' lower(string) text 把字串转化为小写 lower('TOM') tom octet_length(string) int 字串中的字节...
TYPE t_com_temp IS TABLE OF type_t_com_temp; t_com_data t_com_temp; 1. 2. 3. 4. 5. 6. 7. 8. 6.rpad函数从右边对字符串使用指定的字符进行填充 语法格式如下rpad(string,padded_length,[pad_string]) 例如: rpad('tech', 7); 将返回'tech ' ...
return e ? "string" == typeof e ? e : p === g || "GET" == t ? he(e) : JSON.stringify(e) : null }(s.data, y) 1. 2. 3. 结合上面代码分析,其实意思就是把这个s.data (就是post请求的参数)变成json字符串发送post请求 基本可以确定了 ...
1typedefstructRawStmt {2NodeTag type;3Node *stmt;/*raw parse tree*/4intstmt_location;/*start location, or -1 if unknown*/5intstmt_len;/*length in bytes; 0 means "rest of string"*/6} RawStmt; 以List为例,ListCell的data连接体可以指向RawStmt,从而可以在List存放RawStmt节点,组成raw(未分...
String errStr =error.getMessage();// 提取 【位置:81】 里的数字,便于结合sql语句进行精准范围定位intidx = ReUtil.getFirstNumber(errStr.substring(errStr.indexOf("位置")));intstartIdx,endIdx =0;if((idx -20)>0){ startIdx = idx -20; ...
raw_parsetree_list = raw_parser(query_string); 我们进入postgresql-9.2.4\src\backend\parser\parser.c中查看这个raw_parser函数: /* * raw_parser * Given a query in string form, do lexical and grammatical analysis. * * Returns a list of raw (un-analyzed) parse trees. */ List * raw...
This data type consists of strings of characters such as letters or numbers, and it’s used to store text values. Character data types and string types can occur as either a fixed length, known as char, or variable lengths, known as varchar and long varchar. The length that your user se...