74 lines
2.8 KiB
Markdown
74 lines
2.8 KiB
Markdown
## Data Validation
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* For a given table in the `ipld-eth-db` schema, we know the number of columns to be expected in each row in the data dump:
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| Table | Expected columns |
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|--------------------|:----------------:|
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| `public.nodes` | 5 |
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| `public.blocks` | 3 |
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| `eth.header_cids` | 16 |
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| `eth.state_cids` | 8 |
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| `eth.storage_cids` | 9 |
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### Find Bad Data
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* Run the following command to find any rows having unexpected number of columns:
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```bash
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./scripts/find-bad-rows.sh -i <input-file> -c <expected-columns> -o [output-file] -d [include-data]
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```
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* `input-file` `-i`: Input data file path
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* `expected-columns` `-c`: Expected number of columns in each row of the input file
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* `output-file` `-o`: Output destination file path (default: `STDOUT`)
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* `include-data` `-d`: Whether to include the data row in the output (`true | false`) (default: `false`)
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* The output is of format: row number, number of columns, the data row
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Eg:
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```bash
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./scripts/find-bad-rows.sh -i eth.state_cids.csv -c 8 -o res.txt -d true
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```
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Output:
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```
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1 9 1500000,xxxxxxxx,0x83952d392f9b0059eea94b10d1a095eefb1943ea91595a16c6698757127d4e1c,,baglacgzasvqcntdahkxhufdnkm7a22s2eetj6mx6nzkarwxtkvy4x3bubdgq,\x0f,0,f,/blocks/,DMQJKYBGZRQDVLT2CRWVGPQNNJNCCJU7GL7G4VAI3LZVK4OL5Q2ARTI
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```
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Eg:
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```bash
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./scripts/find-bad-rows.sh -i public.nodes.csv -c 5 -o res.txt -d true
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./scripts/find-bad-rows.sh -i public.blocks.csv -c 3 -o res.txt -d true
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./scripts/find-bad-rows.sh -i eth.header_cids.csv -c 16 -o res.txt -d true
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./scripts/find-bad-rows.sh -i eth.state_cids.csv -c 8 -o res.txt -d true
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./scripts/find-bad-rows.sh -i eth.storage_cids.csv -c 9 -o res.txt -d true
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```
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## Data Cleanup
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* In case of column count mismatch, data from `file` mode dumps can't be imported readily into `ipld-eth-db`.
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### Filter Bad Data
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* Run the following command to filter out rows having unexpected number of columns:
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```bash
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./scripts/filter-bad-rows.sh -i <input-file> -c <expected-columns> -o <output-file>
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```
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* `input-file` `-i`: Input data file path
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* `expected-columns` `-c`: Expected number of columns in each row of the input file
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* `output-file` `-o`: Output destination file path
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Eg:
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```bash
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./scripts/filter-bad-rows.sh -i public.nodes.csv -c 5 -o cleaned-public.nodes.csv
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./scripts/filter-bad-rows.sh -i public.blocks.csv -c 3 -o cleaned-public.blocks.csv
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./scripts/filter-bad-rows.sh -i eth.header_cids.csv -c 16 -o cleaned-eth.header_cids.csv
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./scripts/filter-bad-rows.sh -i eth.state_cids.csv -c 8 -o cleaned-eth.state_cids.csv
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./scripts/filter-bad-rows.sh -i eth.storage_cids.csv -c 9 -o cleaned-eth.storage_cids.csv
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```
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