feat: 新增支持db2的reader/writer的CLOB类型，新增数据库dbms的querySQL

[codecov-commenter]

Codecov Report

Patch coverage: 74.28% and project coverage change: -0.09 :warning:

Comparison is base (cd6c0ea) 92.48% compared to head (1ec7ec5) 92.39%.

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #17 +/- ## ========================================== - Coverage 92.48% 92.39% -0.09% ========================================== Files 121 121 Lines 6545 6591 +46 ========================================== + Hits 6053 6090 +37 - Misses 393 399 +6 - Partials 99 102 +3 ``` | [Impacted Files](https://app.codecov.io/gh/Breeze0806/go-etl/pull/17?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=None) | Coverage Δ | | |---|---|---| | [storage/database/db.go](https://app.codecov.io/gh/Breeze0806/go-etl/pull/17?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=None#diff-c3RvcmFnZS9kYXRhYmFzZS9kYi5nbw==) | `75.87% <56.09%> (-1.27%)` | :arrow_down: | | [datax/plugin/reader/dbms/config.go](https://app.codecov.io/gh/Breeze0806/go-etl/pull/17?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=None#diff-ZGF0YXgvcGx1Z2luL3JlYWRlci9kYm1zL2NvbmZpZy5nbw==) | `100.00% <100.00%> (ø)` | | | [datax/plugin/reader/dbms/job.go](https://app.codecov.io/gh/Breeze0806/go-etl/pull/17?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=None#diff-ZGF0YXgvcGx1Z2luL3JlYWRlci9kYm1zL2pvYi5nbw==) | `100.00% <100.00%> (ø)` | | | [datax/plugin/reader/dbms/parameter.go](https://app.codecov.io/gh/Breeze0806/go-etl/pull/17?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=None#diff-ZGF0YXgvcGx1Z2luL3JlYWRlci9kYm1zL3BhcmFtZXRlci5nbw==) | `100.00% <100.00%> (ø)` | | | [datax/plugin/reader/dbms/task.go](https://app.codecov.io/gh/Breeze0806/go-etl/pull/17?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=None#diff-ZGF0YXgvcGx1Z2luL3JlYWRlci9kYm1zL3Rhc2suZ28=) | `100.00% <100.00%> (ø)` | | | [storage/database/db2/field.go](https://app.codecov.io/gh/Breeze0806/go-etl/pull/17?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=None#diff-c3RvcmFnZS9kYXRhYmFzZS9kYjIvZmllbGQuZ28=) | `97.69% <100.00%> (ø)` | | | [storage/database/table.go](https://app.codecov.io/gh/Breeze0806/go-etl/pull/17?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=None#diff-c3RvcmFnZS9kYXRhYmFzZS90YWJsZS5nbw==) | `100.00% <100.00%> (ø)` | |

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