[sqllab] add support for Jinja templating #1426
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ascott
reviewed
Oct 25, 2016
| visualization capabilities | ||
| - Browse database metadata: tables, columns, indexes, partitions | ||
| - Support for long-running queries | ||
| - uses the Celery async framework to dispatch query handling to workers |
ascott
reviewed
Oct 25, 2016
| SQL Lab | ||
| ======= | ||
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| SQL Lab is a modern, feature-rich SQL IDE written in React. |
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could we link to react docs here: https://facebook.github.io/react/
ascott
reviewed
Oct 25, 2016
| - uses the Celery async framework to dispatch query handling to workers | ||
| - supports defining a "result backend" to persist query results | ||
| - A search engine to find queries executed in the past | ||
| - Supports templating using the ``jinja`` templating language, |
ascott
reviewed
Oct 25, 2016
| Templating allows for getting the power and capabilities of a | ||
| programming language inside your SQL. | ||
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| It also enables for writing generic queries as templates that can be |
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suggested edit: Templates can also be used to write generic queries that are parameterized so they can be re-used easily.
ascott
reviewed
Oct 25, 2016
| knows about the database it is operating in. | ||
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| This means that object methods are only available for the active database | ||
| and are given access the ``models.Database`` object and schema |
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nice!! excited about templating for sql lab!! 🎉 |
vera-liu
reviewed
Oct 25, 2016
| part_field = indexes[0]['column_names'][0] | ||
| sql = self._partition_query(table_name, 1, [(part_field, True)]) | ||
| df = self.database.get_df(sql, self.schema) | ||
| return df.to_records(index=False)[0][0] |
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Quick question: Why do these two functions look the same?
bkyryliuk
reviewed
Oct 25, 2016
| @@ -438,5 +438,11 @@ def test_extra_table_metadata(self): | |||
| '/caravel/extra_table_metadata/{dbid}/' | |||
| 'ab_permission_view/panoramix/'.format(**locals())) | |||
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| def test_process_template(self): | |||
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could you please add test to the sql_lab tests demonstrating how it works end to end ?
bkyryliuk
reviewed
Oct 25, 2016
| def test_process_template(self): | ||
| sql = "SELECT '{{ datetime(2017, 1, 1).isoformat() }}'" | ||
| rendered = jinja_context.process_template(sql) | ||
| self.assertEqual("SELECT '2017-01-01T00:00:00'", rendered) |
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it would be great to have tests for all exposed modules, optional.
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Looks great! |
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@bkyryliuk @ascott @vera-liu