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Fix description of ALIAS fields

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Itai Shirav 2018-10-14 09:51:04 +03:00
parent f24749112e
commit 4f4ce697e4
2 changed files with 4 additions and 4 deletions
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docs/class_reference.md
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@ -27,7 +27,7 @@ created on the ClickHouse server if it does not already exist.
#### add_setting(name, value)
Add a database setting that will be sent with every request.
Adds a database setting that will be sent with every request.
For example, `db.add_setting("max_execution_time", 10)` will
limit query execution time to 10 seconds.
The name must be string, and the value is converted to string in case

6
docs/models_and_databases.md
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@ -37,7 +37,7 @@ To allow null values in a field, wrap it inside a `NullableField`:
birthday = fields.NullableField(fields.DateField())
In this case, the default value for that fields becomes `null` unless otherwide specified.
In this case, the default value for that field becomes `null` unless otherwise specified.
### Materialized fields
@ -51,9 +51,9 @@ It is not possible to specify a default value for a materialized field.
### Alias fields
An alias field is simply a different way to call another field in the model. For example:
An alias field is a field whose value is calculated by ClickHouse on the fly, as a function of other fields. It is not physically stored by the database. For example:
date_born = field.DateField(alias="birthday")
weekday_born = field.UInt8Field(alias="toDayOfWeek(birthday)")
Alias fields are read-only, meaning that their values are not sent to the database when inserting records.