说明:Convert the first letter of each word to uppercase and the rest to lowercase. Words are sequences of alphanumeric characters separated by non-alphanumeric characters. 将字符串所有的单词进行格式化,首字母大写,其它为小写 例子:initcap('hi THOMAS') = Hi Thomas 函数:length(string) 说明:Number ...
函数:initcap(string)说明:Convert the first letter of each word to uppercase and the rest to lowercase. Words are sequences of alphanumeric characters separated by non-alphanumeric characters. 将字符串所有的单词进行格式化,首字母大写,其它为小写 例子:initcap('hi THOMAS') = Hi Thomas 函数:length(...
说明:Convert the first letter of each word to uppercase and the rest to lowercase. Words are sequences of alphanumeric characters separated by non-alphanumeric characters. 将字符串所有的单词进行格式化,首字母大写,其它为小写 例子:select initcap('I AM PMARs'); = "I Am Pmars" 函数:length(str...
To convert the case of a string in Postgres, you must use one of the following functions: UPPER():This function converts all string characters to uppercase. SELECT UPPER(col_name) FROM table_name; LOWER():It converts all characters/letters in a string to lowercase. SELECT LOWER(col_name...
例子：bit_length('jose')=32 函数：char_length(string)orcharacter_length(string) 说明：Numberofcharactersinstring计算字符串中字符个数 例子：char_length('jose')=4 函数：lower(string) 说明：Convertstringtolowercase转换字符串为小写 例子：bit_length('jose')=32
{"schema-name":"%","table-name":"%"},"rule-action":"convert-lowercase","value":null,"old-value":null},{"rule-type":"selection","rule-id":"566111704","rule-name":"566111704","object-locator":{"schema-name":"dbo","table-name":"%"},"rule-action":"include","filters": [] }...
In the first two examples, you get a table called “person” with two columns called “fullname” and “address”. That may not be obvious in the second example since the names are not lowercase, but remember that PostgreSQL converts your SQL to lowercase for you. ...
-- Apply the REPLACE() function to the result of the LOWER() and TRIM() functions SELECT REPLACE( -- Convert the trimmed string to lowercase using the LOWER() function LOWER( -- Remove leading and trailing spaces from the string using the TRIM() function ...
{ "schema-name": "%", "table-name": "%" }, "rule-action": "convert-lowercase", "value": null, "old-value": null }, { "rule-type": "selection", "rule-id": "566111704", "rule-name": "566111704", "object-locator": { "schema-name": "dbo", "table-name": "%" }, "...
private: /* Special memory segment to speed up bytea/Text allocations. */ MemoryContext segments_cxt; char *segment_start_ptr; // 当前还有剩余空间内存段起始位置 char *segment_cur_ptr; // 当前还有剩余空间内存段已分配位置 char *segment_last_ptr; // 当前还有剩余空间内存段结束位置 ...