# -*- coding: utf-8 -*-
import re
建立相關表的字段
從源表建立指定的mysql建表指令碼
# 目標表名稱 lzb_decoration_houseinfo
table_name = 'lzb_decoration_audit'
# 原表名稱
original_table_name="decorationaudit"
print("#drop table if exists ;".format(table_name))
print("create table (".format(table_name))
print("id bigint(20) unsigned not null auto_increment")
with open('sql_server_table_source', encoding='utf-8') as f:
for line in f.readlines():
#print(line)
if line=='\n':
continue
if re.match('.*(not.*null).*', line) is none:
if re.match('.*(.*null.*).*',line) is not none:
line = line.replace("null", " not null ")
#print(line)
# 獲取注釋
str_comment='未知'
list_comment=re.findall(r".*,(.*)",line)
if len(list_comment)==1:
str_comment=list_comment[0].strip()
# 獲取注釋後的字元
temp_line_list=re.findall(r"(.*),.*",line)
if temp_line_list is none or temp_line_list=="" or len(temp_line_list)==0:
continue
temp_line=temp_line_list[0]
# unrenow_reason varchar(512)
prefix_line=re.sub(r'(\[.*\])','',temp_line).strip()
#print(prefix_line)
#str_comment=re.sub("(\,)","",str_comment)
if re.match(r'.*int.*', prefix_line, flags=0) is not none:
print(","+prefix_line+" "+"not null "+"comment '"+str_comment.strip()+"'")
continue
if re.match(r'.*decimal.*', prefix_line, flags=0) is not none:
print("," + prefix_line +"(18,2)"+ " " + "not null " + "comment '" + str_comment.strip() + "'")
continue
if re.match(r'.*datetime.*', prefix_line, flags=0) is not none:
print("," + prefix_line + " " + "not null " + "comment '" + str_comment.strip() + "'")
continue
if re.match(r'.*varchar.*', prefix_line, flags=0) is not none:
print("," + prefix_line + " " + "not null default ''" + "comment '" + str_comment.strip() + "'")
continue
print(",ts bigint not null default 0 comment '源表時間戳' ")
print(",sync_time datetime not null default current_timestamp comment '從原表同步到報表的時間'")
print(",modify_time datetime not null comment '最後更新時間'")
print(",primary key (id)")
print(') engine=innodb auto_increment=0 default charset=utf8;')
print("\n\n\n\n")
print("同步kettle指令碼")
print("select ")
with open('sql_server_table_source', encoding='utf-8') as f:
for line in f.readlines():
if line=='\n':
continue
str_original_field = ""
field_original_reg=re.findall(".*\[(.*)\].*",line)
if field_original_reg is not none:
str_original_field=field_original_reg[0]
result_field_nvarchar=re.findall('.*\](.*)\s*nvarchar.*',line)
is_nvarchar_field=false
is_bigint_field=false
str_target_field=""
if result_field_nvarchar is not none and len(result_field_nvarchar)>0:
str_target_field=result_field_nvarchar[0]
is_nvarchar_field=true
else:
result = re.findall('.*\](.*)(int|varchar|datetime|bigint|decimal|nvarchar).*', line)
if result is not none and len(result)!=0 and len(result[0])!=0:
str_target_field=result[0][0].strip()
if re.match('.*(bigint).*', line) is not none:
result_field_bigint = re.findall('.*\](.*)\s*bigint.*', line)
str_target_field=result_field_bigint[0].strip()
if is_nvarchar_field or re.match(r".*(varchar).*", line) is not none:
print("isnull(t.,'') as ,".format(str_original_field,str_target_field))
elif is_bigint_field:
print("isnull(t.,0) as ,".format(str_original_field, str_target_field))
elif re.match('.*(bigint).*',line) is not none or re.match(r".*(int|bigint|decimal).*",line) is not none:
print("isnull(t.,0) as ,".format(str_original_field, str_target_field))
elif re.match(r".*(datetime|date).*",line) is not none:
print("isnull(t.,'1970-01-01') as ,".format(str_original_field, str_target_field))
elif re.match(r".*(bit).*",line) is not none:
print("isnull(t.,0) as ,".format(str_original_field, str_target_field))
else :
print("error")
print(" getdate() as sync_time ,")
print(" getdate() as modify_time , ")
print("isnull(t.ts,0) as ts ")
print(" from as t with(nolock) where t.ts> ? ".format(original_table_name))
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