批量收集到DBMS_OUTPUT中的数组和错误处理

时间:2017-12-06 22:54:02

标签: sql database oracle plsql oracle12c

我正在将数据从表A复制到表B.在表A中,我有四列国家(EN,ES,RU,UK)。每个国家/地区的列是表B中的一个单独的行。此外,表B中的每一行都必须重复并接收下一个序列号。

表A - 我的光标

+---------+---------+---------+---------+---------+
| Company |   EN    |   ES    |   RU    |   UK    |
+---------+---------+---------+---------+---------+
| Intel   | 123 345 | 453 343 | 444 101 | 110 232 |
+---------+---------+---------+---------+---------+

表B

+---------+---------+-----+
| Company | Country | SEQ |
+---------+---------+-----+
| Intel   | 123 345 |   0 |
| Intel   | 123 345 |   1 |
| Intel   | 453 343 |   0 |
| Intel   | 453 343 |   1 |
| INTEL   | 444 101 |   0 |
| INTEL   | 444 101 |   1 |
| INTEL   | 110 232 |   0 |
| INTEL   | 110 232 |   1 |
+---------+---------+-----+

在表A中,我有1,000,000行。
在表B中,我应该有1,000,000(行)x 4(国家)x 2(seq)= 8,000,000。

我准备了插入数据的程序。

BEGIN

OPEN my_cursor;
    LOOP
        EXIT WHEN my_cursor%notfound;
        FETCH my_cursor BULK COLLECT INTO TAB LIMIT 500;

        FOR y in 0..1 LOOP 

                FORALL x IN TAB.first..TAB.last 
                    INSERT INTO table_B ("company","country","seq") VALUES (tab(x)."company", tab(x)."EN", y);

                FORALL x IN TAB.first..TAB.last
                    INSERT INTO table_B ("company","country","seq") VALUES (tab(x)."company", tab(x)."ES", y);

                FORALL x IN TAB.first..TAB.last 
                    INSERT INTO table_B ("company","country","seq") VALUES (tab(x)."company", tab(x)."RU", y);

                FORALL x IN TAB.first..TAB.last 
                    INSERT INTO table_B ("company","country","seq") VALUES (tab(x)."company", tab(x)."UK", y);

        END LOOP;

        COMMIT;
    END LOOP;     
CLOSE my_cursor;

END;

如果表B中出现DML错误,我必须将数组(tab)中的变量值与DBMS_OUTPUT中的错误代码一起返回 例如:

DBMS_OUTPUT.PUT_LINE(tab(x)."company" || ' ' || tab(x)."UK" || SQLERRM);

是否可以处理此类错误?我该如何实施这样的解决方案?

2 个答案:

答案 0 :(得分:0)

是的,您可以处理此类错误并继续使用SAVE EXCEPTIONSFORALL进行所有插入,如下所示: 执行完所有语句后,PLSQL会引发ORA:24381

BEGIN
FORALL x IN TAB.first..TAB.last SAVE EXCEPTIONS
                    INSERT INTO table_B ("company","country","seq") VALUES (tab(x)."company", tab(x)."EN", y);
EXCEPTION 
WHEN OTHERS THEN
 IF sqlcode = -24381
     FOR indx IN 1 .. SQL%BULK_EXCEPTIONS.COUNT
         LOOP
            DBMS_OUTPUT.put_line (
                  SQL%BULK_EXCEPTIONS (indx).ERROR_INDEX
               || ‘: ‘
               || SQL%BULK_EXCEPTIONS (indx).ERROR_CODE);
         END LOOP;
else 
raise;
end if;
END;

答案 1 :(得分:-1)

您可以使用FOR ALL ... SAVE EXCEPTIONS指令来实现目标。 这将为您提供以下内容:

DECLARE
    ln_error_count NUMBER;
    ln_line_error  NUMBER;
BEGIN

    OPEN my_cursor;
    LOOP
        EXIT WHEN my_cursor%notfound;
        FETCH my_cursor BULK COLLECT INTO TAB LIMIT 500;

        FOR y in 0..1 LOOP

            BEGIN
                FORALL x IN TAB.first..TAB.last SAVE EXCEPTIONS
                    INSERT INTO table_B ("company","country","seq") VALUES (tab(x)."company", tab(x)."EN", y);
            EXCEPTION
                WHEN ex_dml_errors THEN
                    ln_error_count := SQL%BULK_EXCEPTIONS.count;
                    FOR i IN 1 .. ln_error_count LOOP
                        ln_line_error := SQL%BULK_EXCEPTIONS(i).error_index;
                        DBMS_OUTPUT.PUT_LINE(tab(ln_line_error)."company" || ' ' || tab(ln_line_error)."EN" || SQLERRM(-SQL%BULK_EXCEPTIONS(i).ERROR_CODE));
                    END LOOP;
            END;

            BEGIN
                FORALL x IN TAB.first..TAB.last SAVE EXCEPTIONS
                    INSERT INTO table_B ("company","country","seq") VALUES (tab(x)."company", tab(x)."ES", y);
            EXCEPTION
                WHEN ex_dml_errors THEN
                    ln_error_count := SQL%BULK_EXCEPTIONS.count;
                    FOR i IN 1 .. ln_error_count LOOP
                        ln_line_error := SQL%BULK_EXCEPTIONS(i).error_index;
                        DBMS_OUTPUT.PUT_LINE(tab(ln_line_error)."company" || ' ' || tab(ln_line_error)."ES" || SQLERRM(-SQL%BULK_EXCEPTIONS(i).ERROR_CODE));
                    END LOOP;
                END;

            BEGIN
                FORALL x IN TAB.first..TAB.last SAVE EXCEPTIONS
                    INSERT INTO table_B ("company","country","seq") VALUES (tab(x)."company", tab(x)."RU", y);
            EXCEPTION
                WHEN ex_dml_errors THEN
                    ln_error_count := SQL%BULK_EXCEPTIONS.count;
                    FOR i IN 1 .. ln_error_count LOOP
                        ln_line_error := SQL%BULK_EXCEPTIONS(i).error_index;
                        DBMS_OUTPUT.PUT_LINE(tab(ln_line_error)."company" || ' ' || tab(ln_line_error)."RU" || SQLERRM(-SQL%BULK_EXCEPTIONS(i).ERROR_CODE));
                    END LOOP;
            END;

            BEGIN
                FORALL x IN TAB.first..TAB.last SAVE EXCEPTIONS
                    INSERT INTO table_B ("company","country","seq") VALUES (tab(x)."company", tab(x)."UK", y);
            EXCEPTION
                WHEN ex_dml_errors THEN
                    ln_error_count := SQL%BULK_EXCEPTIONS.count;
                    FOR i IN 1 .. ln_error_count LOOP
                        ln_line_error := SQL%BULK_EXCEPTIONS(i).error_index;
                        DBMS_OUTPUT.PUT_LINE(tab(ln_line_error)."company" || ' ' || tab(ln_line_error)."UK" || SQLERRM(-SQL%BULK_EXCEPTIONS(i).ERROR_CODE));
                    END LOOP;
            END;
        END LOOP;

        COMMIT;
    END LOOP;     
    CLOSE my_cursor;

END;