static int InteractiveBackend(StringInfo inBuf) { int c; /* character read from getc() */ /* display a prompt and obtain input from the user */ printf("backend> "); fflush(stdout); resetStringInfo(inBuf); /* Read characters until EOF or the appropriate delimiter is seen. 读取字符,直...
If backup_note contain newline characters, then only substring before first newline character will be saved. Max size of text note is 1 KB. The 'none' value removes current note. For more details of the command settings, see sections Common Options, Connection Options, Retention Options, ...
After setting the right columns to editable, we need to connect the query to changes to the table. This is easy to do by creating a Save actions trigger on Add-ons. We then simply set it to run the UpdateCharacter query we just wrote. And voilà! We can now edit (multiple) table ...
Postgres' localization system services are built-in to provide automatic character encoding and collation support. Performance Because Postgres can create an unlimited number of nodes in a read cluster, the cost of any particular read operation can be reduced to close to nothing...
BranchType.XA : ; } @Override public Object postProcessBeforeInitialization(Object bean, String beanName) { return bean; } @Override//此类继承 BeanPostProcessor,此处是后置处理器方法,对象初始化后执行 public Object postProcessAfterInitialization(Object bean, String beanName) throws BeansException { if...
# (i.e., allow '-' as a flag character), so use our version on those platforms # - We want to use system's getopt_long() only if the system provides struct # option always_replace_getopt = host_system in ['windows', 'cygwin', 'openbsd', 'solaris'] always_replace_getopt...
The * character has a special meaning in yaml, so you need to quote ("*") the target_databases value when it includes such a pattern. It is recommended that you always include the name of the database in the returned labels, for example using the current_database() function as in the...
My wife has a scenario where she's pulling in a number of columns that end up with a class of "pq_stuff_enum". She doesn't really care that its an enum, and would really like it to come through as a character or possibly a factor. It see...
use_unicode: If True, CHAR and VARCHAR and TEXT columns are returned as Unicode strings, using the configured character set. It is best to set the default encoding in the server configuration, or client configuration (read with read_default_file). If you change the character set after connect...
我这边默认是utf8，这个困扰了很长时间，在网上百度发现大部分字符串转编码都是使用string.getByte(“...