\echo [STRING] write string to standard output \i FILE execute commands from file \ir FILE as \i, but relative to location of current script \o [FILE] send all query results to file or |pipe \qecho [STRING] write string to query output stream (see \o) Informational (options: S = ...
\s [FILE] display history or save it tofile\wFILEwritequery buffer tofileInput/Output \copy ... perform SQL COPY with data stream to the client host \echo[-n] [STRING]writestringto standard output (-nforno newline) \i FILE execute commands fromfile\ir FILE as \i, but relative to ...
\copy ... perform SQL COPY with data stream to the client host \echo [STRING] write string to standard output \i FILE execute commands from file \o [FILE] send all query results to file or |pipe \qecho [STRING] write string to query output stream (see \o) Informational (options: S...
\s [FILE] display history or save it to file \w FILE write query buffer to file Input/Output \copy ... perform SQL COPY with data stream to the client host \echo [-n] [STRING] write string to standard output (-n for no newline) \i FILE execute commands from file \ir FILE as ...
–output filename 将所有查询输出定向到文件 filename。这个选项等效于命令 \o。 -p port –port port 声明被服务器侦听的 TCP 端口或使用的缺省本地 Unix 主控套接字文件句柄。 缺省的是环境变量PGPORT的值,如果没有设置的话是编译是声明的端口,通常是 5432。
\s [FILE] display historyorsaveittofile\wFILEwritequerybuffertofileInput/Output\copy ... performSQLCOPYwithdatastreamtotheclienthost \echo [STRING] writestringtostandardoutput\iFILEexecutecommandsfromfile\o [FILE] sendallqueryresultstofileor|pipe\qecho [STRING] writestringtoqueryoutputstream (see \o...
(clear) the query buffer 清空缓冲区 \w FILE write query buffer to file 写到指定文件 Input/Output \echo [STRING] write string to standard output \i FILE execute commands from file \o [FILE] send all query results to file or |pipe \qecho [STRING] write string to query output stream (...
Input/Output \copy ... perform SQL COPY with data stream to the client host \echo [STRING] write string to standard output \i FILE execute commands from file \o [FILE] send all query results to file or |pipe \qecho [STRING] write string to query output stream (see \...
--output filename 将所有查询输出定向到文件 filename。这个选项等效于命令 \o。 AI代码助手复制代码 -p port --port port 声明被服务器侦听的TCP端口或使用的缺省本地Unix主控套接字文件句柄。缺省的是环境变量PGPORT的值,如果没有设置的话是编译是声明的端口,通常是5432。
from bytewax.outputs import PartitionedOutput, StatefulSink class PsqlSink(StatefulSink): def __init__(self): self.conn = psycopg2.connect("dbname=website user=bytewax") self.conn.set_session(autocommit=True) self.cur = self.conn.cursor() def write(self, user_id__user_data): user_id,...