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https://github.com/dolthub/cherre-dolt-demo
https://github.com/dolthub/cherre-dolt-demo
Last synced: 3 days ago
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- Host: GitHub
- URL: https://github.com/dolthub/cherre-dolt-demo
- Owner: dolthub
- Created: 2021-05-13T21:53:21.000Z (over 3 years ago)
- Default Branch: master
- Last Pushed: 2021-05-13T22:00:14.000Z (over 3 years ago)
- Last Synced: 2024-11-08T08:33:07.713Z (about 2 months ago)
- Language: Shell
- Size: 10.7 KB
- Stars: 0
- Watchers: 5
- Forks: 1
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
Awesome Lists containing this project
README
# Residential Transaction Data
Source database: [RI Exeter public database](http://gis.vgsi.com/exeterri/Sales.aspx)
Dolthub reference: https://www.dolthub.com/repositories/max-hoffman/exeter-ri-houses
Dolt install:
```bash
sudo bash -c 'curl -L https://github.com/dolthub/dolt/releases/latest/download/install.sh | sudo bash'
```
Create dataset:
```bash
./scripts/ populate_db.sh
```
Sample diffs:
Human-readable cli diff:
```bash
$ dolt diff HEAD^ HEAD --limit 5
diff --dolt a/latest_sale b/latest_sale
--- a/latest_sale @ q5brka8t250mn32bjeim2bs59sooqmai
+++ b/latest_sale @ egvi8ugoj7cg99pnf3b4ec2k4vosb60n
+-----+--------------------+------------+------------+-------------+----------+-------------+----------------+------+
| | Location | Sale Date | Sale Price | Model | Style | Living Area | Land Area (SF) | Nbhd |
+-----+--------------------+------------+------------+-------------+----------+-------------+----------------+------+
| + | 1 HEMLOCK DR | 09/28/2020 | 450000 | Residential | Ranch | 2064 | 15202 | 05 |
| + | 1 MOCKINGBIRD DR | 11/20/2020 | 385000 | Residential | R Ranch | 1536 | 11979 | 05 |
| + | 1 PINOAK DR | 07/15/2020 | 375000 | Residential | Colonial | 1728 | 13590 | 05 |
| < | 1 WIDOW SWEETS RD | 02/27/2019 | 160000 | Residential | Ranch | 1855 | 455202 | 06 |
| > | 1 WIDOW SWEETS RD | 08/07/2020 | 522500 | Residential | Ranch | 1855 | 455202 | 06 |
| + | 10 OAKHILL DR | 09/11/2020 | 369000 | Residential | R Ranch | 1144 | 16030 | 05 |
+-----+--------------------+------------+------------+-------------+----------+-------------+----------------+------+
```
System-table SQL diff:
```bash
$ dolt sql -q "
select `to_Location`, `to_Model`, `from_Sale Price`,`to_Sale Price`
from dolt_commit_diff_latest_sale
where from_commit = HASHOF('HEAD^') and
to_commit = HASHOF('HEAD') and
diff_type = 'modified' limit 5"
+-----------------------+-------------+-----------------+---------------+
| to_Location | to_Model | from_Sale Price | to_Sale Price |
+-----------------------+-------------+-----------------+---------------+
| 1 WIDOW SWEETS RD | Residential | 160000 | 522500 |
| 119 LOCUST VALLEY RD | Residential | 470000 | 610000 |
| 126 MAIL RD | Residential | 515000 | 535000 |
| 20 MOCKINGBIRD DR | Residential | 285000 | 370000 |
| 249 PURGATORY RD | Residential | 345000 | 429000 |
+-----------------------+-------------+-----------------+---------------+
```