CREATE OR REPLACE FUNCTION lastindexof(text, character) RETURNS integer AS $BODY$ begin if $1 is null then return NULL; end if; for i in reverse length($1) .. 1 loop if substr($1,i,1) = $2 then return i; end if; end loop; return NULL; end $BODY$ LANGUAGE plpgsql IMMUTABLE ...
charset=uft8"%(oracle_user,oracle_pwd,oracle_ip,oracle_port,oracle_db)df=pd.read_sql(sql.lower(),con=orcl_conn,coerce_float=False)except:print("unicodeError! sql returns 0 rows and exit!") 本以为ok了,结果报了'charset' is an invalid argument for this function,又是个坑!然后有百度了下...
2019-12-20 11:15 − 存储过程其实就是函数,由一组 sql 语句组成,实现比较复杂的数据库操作;存储过程 是 存储在 数据库服务器 上的,用户可以像调用 sql 自带函数一样 调用存储过程 语法解析 CREATE [OR REPLACE] FUNCTION function_name (argument... 努力的孔子 0 38677 PostgreSQL 12 YUM安装 2019-...
INSTR Function The INSTR function in SQL is used to find the starting location of a pattern in a string. This function is available in MySQL and Oracle, though they have slightly different syntaxes: SyntaxThe syntax for the INSTR function is as follows: ...
写了一个执行sql的模块,引用了cx_oracle,在windows机器上完美运行,移植到Centos上就会报错, UnicodeEncodeError: 'ascii' codec can't encode characters in position 检查过程: 代码编码为utf-8,print编码为utf-8,文件编码为utf-8,服务器编码为utf-8,各种正常 ...
Oracle SQL Developer - Version 18.2 to 18.4Oracle SQLcl - Version 18.4 to 18.4 [Release 18]Information in this document applies to any platform.SymptomsSQLcl 18.2 fails with the following error when match_recognize is used:Error:Error report -Non supported SQL92 token at position: 108It...
sqlalchemy访问Oracle数据库报错:UnicodeDecodeError: 'big5' codec can't decode byte 0xfb in position 2: illegal multibyte sequence 解决方法: import os os.environ[“NLS_LANG”] = “GERMAN_GERMANY.UTF8”
It blocks until the replica has read and applied all updates up to the specified position in the source's binary log. The return value is the number of log events the replica had to wait for to advance to the specified position. The function returns NULL if the replication SQL thread ...
Substring of a string using Oracle (SUBSTRING or REGEXP_SUBSTR) Is it possible to pass a dictionary into create_engine function in SQLAlchemy? How to identify U shape in a image using opencv/javacv? Numpy Genfromtxt slower than pandas read_csv ...
{dede:field name='position' function='str_replace("主页","home",@me)'/} 或 {dede:field name='position' runphp='yes'}@me=str_replace("主页","home",@me);{/dede:... 查看原文 织梦中英文分页上一篇下一篇位置的翻译方法 织梦在制作中英网站时,需要把文分页上一篇下一篇位置翻译成英文,方法...