插入数据
最近更新时间: 2024-10-17 17:10:00
#include <stdio.h>
#include <stdlib.h>
#include "libpq-fe.h"
int
main(int argc, char **argv){
const char *conninfo;
PGconn *conn;
PGresult *res;
const char *sql = "INSERT INTO tbase (id,nickname) values(1,'tbase'),(2,'pgxz')";
if (argc > 1){
conninfo = argv[1];
}else{
conninfo = "dbname = postgres";
}
conn = PQconnectdb(conninfo);
if (PQstatus(conn) != CONNECTION_OK){
fprintf(stderr, "连接数据库失败: %s",PQerrorMessage(conn));
}else{
printf("连接数据库成功！\n");
}
res = PQexec(conn,sql);
if(PQresultStatus(res) != PGRES_COMMAND_OK){
fprintf(stderr, "插入数据失败: %s",PQresultErrorMessage(res));
}else{
printf("插入数据成功！\n");
}
PQclear(res);
PQfinish(conn);
return 0;
}编译
gcc -c -I /usr/local/install/tbase_pgxz/include/ insert.c
gcc -o insert insert.o -L /usr/local/install/tbase_pgxz/lib/ -lpq运行
./insert "dbname=postgres port=15432"
#连接数据库成功！
#插入数据成功！