Python裁剪数据库返回的变量
我正忙着编写一个脚本,从数据库中获取一些数据,然后安排稍后的输出,我想知道如何剪裁返回的变量 我有我的剧本Python裁剪数据库返回的变量,python,output,clipping,Python,Output,Clipping,我正忙着编写一个脚本,从数据库中获取一些数据,然后安排稍后的输出,我想知道如何剪裁返回的变量 我有我的剧本 # CONNECT TO DATABASE #===================================================================== varPgSQL = connectToDatabase() # PREPARE SQL STATEMENTS #=============================================
# CONNECT TO DATABASE
#=====================================================================
varPgSQL = connectToDatabase()
# PREPARE SQL STATEMENTS
#=====================================================================
cur_users = varPgSQL.cursor()
cur_users.execute("prepare cur_users as " +
"select * from users " +
"where usr_idno > $1")
cur_details = varPgSQL.cursor()
cur_details.execute("prepare cur_details as " +
"select * from details " +
"where dtl_usr_idno = $1")
# EXECUTE SQL STATEMENTS
#=====================================================================
la_results = []
cur_users.execute("execute cur_users(%s)", str(0))
for lr_user in cur_users:
cur_details.execute("execute cur_details(%s)", str(lr_user[0]))
for lr_detail in cur_details:
# STORE RESULTS
la_results.append({
"usr_idno": lr_user[0],
"usr_name": lr_user[1],
"dtl_usr_idno": lr_detail[0],
"dtl_usr_accn": lr_detail[1],
"dtl_usr_accs": lr_detail[2]
})
# CLOSE CONNECTION
#=====================================================================
varPgSQL.close()
# CHECK RESULTS
#=====================================================================
for lr_result in la_results:
print(
" | " +
lr_result["usr_name"] +
" | " +
lr_result["dtl_usr_accn"] +
" | " +
lr_result["dtl_usr_accs"] +
" | "
)
虽然这段代码的输出不是剪裁变量,但输出是
| mavis | service acc | active |
这正是我所期望的,因为这是数据库中字段的长度,但是否可以剪裁变量以实现输出
| mavis | service acc | active |
如果间隙是由空白创建的,则可以使用内置的String方法
如果它是数据库工件,您可能需要向我们提供更多信息。可能正在查找
.strip()
。