oracle生成insert,update,select语句的存储过程
发布时间:2020-12-12 14:04:03 所属栏目:百科 来源:网络整理
导读:1、生成insert语句 select 'insert into ' || lower(utc.TABLE_NAME),lower(utc.column_name) || ',','#{' || lower(regexp_substr(utc.column_name,'[a-z0-9]+',1,'i')) || nls_initcap(lower(regexp_substr(utc.column_name,2,'i'))) || nls_initcap(lower
1、生成insert语句 select 'insert into ' || lower(utc.TABLE_NAME),lower(utc.column_name) || ',','#{' || lower(regexp_substr(utc.column_name,'[a-z0-9]+',1,'i')) || nls_initcap(lower(regexp_substr(utc.column_name,2,'i'))) || nls_initcap(lower(regexp_substr(utc.column_name,3,4,'i'))) || ',' || 'jdbcType=VARCHAR},' from user_tab_cols utc where utc.table_name = 'table_name'; 2、生成update语句 declare v_table_name varchar2(100) := 'PERSON_INFO'; v_table_alias varchar2(10); cursor c_utc is select * from user_tab_cols utc where utc.table_name = v_table_name and utc.hidden_column = 'NO' order by utc.column_id asc; v_row_count number; v_row c_utc%rowtype; v_length number; v_alias varchar2(4000) := ''; begin for i in 1 .. length(v_table_name) loop if (i = 1) then v_table_alias := lower(substr(v_table_name,1)); elsif (substr(v_table_name,i - 1,1) = '_') then v_table_alias := v_table_alias || lower(substr(v_table_name,i,1)); else continue; end if; end loop; select count(*) into v_row_count from user_tab_cols utc where utc.table_name = v_table_name and utc.hidden_column = 'NO'; dbms_output.put_line('update ' || lower(v_table_name) || ' ' || v_table_alias || ' set '); open c_utc; loop fetch c_utc into v_row; exit when(c_utc%notfound); select length(v_row.column_name) into v_length from dual; v_alias := ''; for i in 1 .. v_length loop if (substr(v_row.column_name,1) = '_') then continue; elsif (substr(v_row.column_name,1) = '_') then v_alias := v_alias || substr(v_row.column_name,1); else v_alias := v_alias || lower(substr(v_row.column_name,1)); end if; end loop; if (c_utc%rowcount != v_row_count) then dbms_output.put_line(v_table_alias || '.' || lower(v_row.column_name) || ' = ' || v_alias || ','); else dbms_output.put_line(v_table_alias || '.' || lower(v_row.column_name) || ' = ' || v_alias); end if; end loop; close c_utc; dbms_output.put_line('where ' || v_table_alias || '.id = '''''); end; 3、生成select语句 declare v_table_name varchar2(100) := 'PERSON_INFO'; v_table_alias varchar2(10); cursor c_utc is select * from user_tab_cols utc where utc.table_name = v_table_name and utc.hidden_column = 'NO' order by utc.column_id asc; v_row_count number; v_row c_utc%rowtype; v_length number; v_alias varchar2(4000) := ''; begin for i in 1 .. length(v_table_name) loop if (i = 1) then v_table_alias := lower(substr(v_table_name,1)); else continue; end if; end loop; select count(*) into v_row_count from user_tab_cols utc where utc.table_name = v_table_name and utc.hidden_column = 'NO'; dbms_output.put_line('select '); open c_utc; loop fetch c_utc into v_row; exit when(c_utc%notfound); select length(v_row.column_name) into v_length from dual; v_alias := ''; for i in 1 .. v_length loop if (substr(v_row.column_name,1)); end if; end loop; if (c_utc%rowcount != v_row_count) then dbms_output.put_line(v_table_alias || '.' || lower(v_row.column_name) || ' as ' || v_alias || ','); else dbms_output.put_line(v_table_alias || '.' || lower(v_row.column_name) || ' as ' || v_alias); end if; end loop; close c_utc; dbms_output.put_line('from ' || lower(v_table_name) || ' ' || v_table_alias); end; (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |