https://github.com/nvictus/coltab

Columnar tables
https://github.com/nvictus/coltab

Last synced: 15 days ago
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Columnar tables

• Host: GitHub
• URL: https://github.com/nvictus/coltab
• Owner: nvictus
• Created: 2018-07-15T22:51:39.000Z (over 6 years ago)
• Default Branch: master
• Last Pushed: 2020-03-10T18:11:56.000Z (over 4 years ago)
• Last Synced: 2024-10-03T12:17:50.451Z (about 1 month ago)
• Language: Python
• Size: 12.7 KB
• Stars: 3
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# Coltab

```python

>>> import coltab

>>> store = coltab.HDF5Store('/tmp/myfile.h5')

>>> store.open('a')

>>> store.create_table('foo', {'a': int, 'b': int, 'c': float})

>>> store.append('foo', {'a': [1, 2, 3], 'b': [4, 5, 6], 'c': [7, 8, 9]})

>>> store.addcol('foo', 'd', [1.1, 2.2, 3.3])

>>> store.delcol('foo', 'c')

>>> store.select('foo')

   a  b    d

0  1  4  1.1

1  2  5  2.2

2  3  6  3.3

store.drop_table('foo')

store.close()

```