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[ZEPPELIN-2245] editing documentation

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Tinkoff DWH 2017-03-14 12:56:15 +05:00
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docs/interpreter/jdbc.md
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@ -222,10 +222,12 @@ SELECT name, country, performer
FROM demo.performers
WHERE name='{{"{{performer=Sheryl Crow|Doof|Fanfarlo|Los Paranoia"}}}}'
```
### Usage `precode`
You can set `precode` for each data source. Code runs once while opening the connection.
### Usage *precode*
You can set *precode* for each data source. Code runs once while opening the connection.
##### Properties
An example settings of interpreter for the two data sources, each of which has its *precode* parameter.
<table class="table-configuration">
<tr>
<th>Property Name</th>
@ -274,15 +276,21 @@ You can set `precode` for each data source. Code runs once while opening the con
</table>
##### Usage
Test of execution *precode* for each data source.
```sql
%jdbc
show search_path
```
Returns value of `search_path` which is set in the *default.precode*.
```sql
%jdbc(mysql)
select @v
```
Returns value of `v` which is set in the *mysql.precode*.
## Examples
Here are some examples you can refer to. Including the below connectors, you can connect every databases as long as it can be configured with it's JDBC driver.