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我正在尝试创建 Oracle PL/SQL 过程并通过 Oracle JDBC(瘦驱动程序)执行它们。这是完整的 PL/SQL 脚本:

begin
for i in (select owner, constraint_name, table_name from all_constraints where owner = 'SCHEMA' and status = 'ENABLED') LOOP
execute immediate 'alter table SCHEMA.'||i.table_name||' disable constraint SCHEMA.'||i.constraint_name||'';
end loop;
end;
/
begin
for i in (select table_name from all_tables where owner = 'SCHEMA') LOOP
execute immediate 'truncate table SCHEMA.'||i.table_name||'';
end loop;
end;
/
begin
for i in (select owner, constraint_name, table_name from all_constraints where owner = 'SCHEMA' and status = 'DISABLED') LOOP
execute immediate 'alter table SCHEMA.'||i.table_name||' enable constraint SCHEMA.'||i.constraint_name||'';
end loop;
end;
/

在java中,我在'/'上进行拆分,因此每个开始结束块都在单独的语句中执行。执行该语句的java代码是:

CallableStatement c = dbc.getConnection().prepareCall(sqlStatement);
c.executeUpdate();

我收到以下错误:

java.sql.SQLSyntaxErrorException: ORA-00933: SQL command not properly ended
ORA-06512: at line 3

如何格式化并在 JDBC 中执行 PL/SQL?

更新:为了澄清,所有三个语句都在没有分割的“/”分隔符的情况下执行。

更新: oracle服务器为以下版本:Oracle Database 11g Release 11.2.0.1.0 - 64bit Production

4

1 回答 1

2

在“启用/禁用”约束中,您不应添加模式名称 (your'SCHEMA)。

来自手册: ALTER TABLE

你的例子:

begin
    for i in (select owner, constraint_name, table_name
              from   all_constraints
              where  owner = 'SCHEMA'
              and    status = 'ENABLED')
    loop
        execute immediate 'alter table SCHEMA.' || i.table_name ||
                          ' disable constraint ' || i.constraint_name;
    end loop;
end;

测试查询

select ac.constraint_name, ac.table_name, ac.status, ac.owner
from   all_constraints ac
where  ac.owner = 'HR'
and    ac.constraint_name = 'EMP_SALARY_MIN'

结果

CONSTRAINT_NAME                TABLE_NAME                     STATUS   OWNER
------------------------------ ------------------------------ -------- --------------------------------------------------------------------------------
EMP_SALARY_MIN                 EMPLOYEES                      ENABLED  HR

正确的动态sql

begin
    execute immediate 'alter table HR.EMPLOYEES disable constraint EMP_SALARY_MIN';
end;

上一个查询结果

CONSTRAINT_NAME                TABLE_NAME                     STATUS   OWNER
------------------------------ ------------------------------ -------- --------------------------------------------------------------------------------
EMP_SALARY_MIN                 EMPLOYEES                      DISABLED HR
于 2011-07-18T15:08:16.100 回答