This release is a pre-release and may not be stable for production use.
Ipython ODBC SQL Magic
IPython Magic untuk menjalankan SQL menggunakan ODBC secara langsung pada notebook cell.
Pemasangan
$ pip3 install ipython-dawet-sql
Penggunaan
Load Ekstensi
Untuk dapat menggunakan, ekstensi harus di load terlebih dahulu ke notebook yang sedang digunakan.
In [ ]: %load_ext dawetsql
Database Connection
Membuka Koneksi
In [ ]: %dawetsql
Setelah line magic dieksekusi, selanjutnya isi form sesuai dengan konfigurasi ODBC. Username dan password optional jika sudah diset di konfigurasi ODBC sistem.
Untuk me-restart koneksi, cukup klik connect, dawetsql akan otomatis menutup koneksi terlebih dahulu sebelum membuka koneksi baru lagi.
Menutup Koneksi
In [ ]: %dawetsqlclose
Menjalankan SQL
In [ ]: %%dawetsql
SELECT * FROM tables
WHERE somecolumn = 'somevalue'
Preview hasil query ditampilkan menggunakan pandas.DataFrame dengan default limit 10 baris.
Available arguments
| Arguments | Type | Default | Descriptions |
|---|---|---|---|
-l --limit |
Integer | 10 | Set limit query untuk preview |
-o --output |
String | _ |
Nama output hasil query. |
Contoh Penggunaan
Menyimpan Hasil query ke Python Variable
In [ ]: %%dawetsql --ouput variablename
SELECT * FROM tables
WHERE somecolumn = 'somevalue'
Menyimpan Hasil Query ke File
Cell Magic %%dawetsql akan otomatis menyimpan hasil query kedalam file jika nama output memiliki ekstensi .csv, .pkl, dan .xlsx
In [ ]: %%dawetsql --output filename.csv
SELECT * FROM tables
WHERE somecolumn = 'somevalue'
Akses Python Variable dari SQL Query
Untuk mengakses variable dari local namespace, gunakan format ?namavariable sebagai placeholder pada SQL Query. Tanda petik (') akan otomatis ditambahkan jika tipe variable bukan int atau float.
In [1]: low = 1
high = 100
other_column_name = "something"
pada magic cell
In [2]: %%dawetsql
SELECT
*
FROM
TABLE
WHERE
SOME_COLUMN BETWEEN ?low AND ?high
AND OTHER_COLUMN = ?other_column_name
SQL Query akan dikonversi menjadi
SELECT
*
FROM
TABLE
WHERE
SOME_COLUMN BETWEEN 1 AND 100
AND OTHER_COLUMN = 'something'
Widgets
Schema Explorer Widget
Widget ini digunakan untuk meng-explore skema, tabel, kolom, dan tipe kolom pada database.
%explorer [-f --force]
Table Detail
Query Builder
Table Data Preview
Settings
File konfigurasi dawetsql tersimpan pada direktori ~/.dawetsql.
Lain-lain
SQL Autocomplete
Cell magic %%dawetsql mendukung SQL Autocomplete. Fitur ini masih bersifat eksperimental. Autocomplete untuk nama tabel dan kolom tersedia setelah pengguna menjalankan magic %explore. Untuk pengguna lama, jalankan %explorer -f, lalu restart notebook.
Legal
Package ini dirilis di bawah lisensi MIT.
Metadata
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Release files / ipython-dawet-sql-0.1b10.tar.gz
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