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A shell for doing simple SQL queries to any database supported by SQLAlchemy

Project description

The program takes one argument: a SQLAlchemy database URL of the form: dialect+driver://username:password@host:port/database (see the SQLAlchemy docs on database URLs for more info). You may need to install additional packages for your database driver of choice (e.g.: mysql-python, psycopg2, pymssql, etc.)

Here’s some basic usage:

$ sqlalchemy_sql_shell
usage: sqlalchemy_sql_shell [-h] url
sqlalchemy_sql_shell: error: too few arguments

$ sqlalchemy_sql_shell sqlite:///
SQL> CREATE TABLE people ( first_name VARCHAR(128), last_name VARCHAR(128) );
SQL> INSERT INTO people VALUES ( 'John', 'Doe' ), ('Mike', 'Smith'), ('Guido', 'van Rossum');
result.rowcount = 3
SQL> SELECT * FROM people;
+------------+------------+
| first_name | last_name  |
+============+============+
| John       | Doe        |
| Mike       | Smith      |
| Guido      | van Rossum |
+------------+------------+

Multi-line queries are supported; A semi-colon signifies the end of the query:

SQL> SELECT *
...> FROM people
...> ;
+------------+------------+
| first_name | last_name  |
+============+============+
| John       | Doe        |
| Mike       | Smith      |
| Guido      | van Rossum |
+------------+------------+

You can also pipe queries into the command for quick one-liners:

$ echo "SELECT 1 + 2;" | sqlalchemy_sql_shell sqlite:///
+-------+
| 1 + 2 |
+=======+
| 3     |
+-------+

Or redirect stdin:

$ cat samples/queries.sql
SELECT 1 + 2;
SELECT 3 + 4;
SELECT 5 + 6;

$ sqlalchemy_sql_shell sqlite:/// < samples/queries.sql
+-------+
| 1 + 2 |
+=======+
| 3     |
+-------+
+-------+
| 3 + 4 |
+=======+
| 7     |
+-------+
+-------+
| 5 + 6 |
+=======+
| 11    |
+-------+

Project details


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