FromAdapter (IBM FHIR Server)

java.lang.Object
- com.ibm.fhir.database.utils.query.FromAdapter

```
public class FromAdapter
extends Object
```
Adapter for building the FROM clause of a SELECT statement

Constructor Summary

Constructors
Constructor Description

FromAdapter(Select select)
Model the "from" part of the select statement

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Select`	`build()`
`FromAdapter`	`from(String tableName)`	Add a table to the from clause returning this `FromAdapter` ready for the next item
`FromAdapter`	`from(String tableName, Alias alias)`	Add a table with an alias (tab AS foo) to the from clause returning this `FromAdapter` ready for the next item
`GroupByAdapter`	`groupBy(String... expressions)`
`OrderByAdapter`	`orderBy(String... expressions)`
`FromSubQueryAdapter`	`subStart()`	Start building a sub-query.
`WhereAdapter`	`where(String predicate)`	Start building the "WHERE" clause for the statement

Methods inherited from class java.lang.Object
clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - FromAdapter
```
public FromAdapter(Select select)
```
    Model the "from" part of the select statement
    
    Parameters:
    
    select -
- Method Detail
  - from
```
public FromAdapter from(String tableName)
```
    Add a table to the from clause returning this FromAdapter ready for the next item
    
    Parameters:
    
    tableName -
    
    Returns:
  - from
```
public FromAdapter from(String tableName,
                        Alias alias)
```
    Add a table with an alias (tab AS foo) to the from clause returning this FromAdapter ready for the next item
    
    Parameters:
    
    tableName -
    
    alias -
    
    Returns:
  - where
```
public WhereAdapter where(String predicate)
```
    Start building the "WHERE" clause for the statement
    
    Parameters:
    
    predicate -
    
    Returns:
  - subStart
```
public FromSubQueryAdapter subStart()
```
    Start building a sub-query. This isn't added to the from until FromSubQueryAdapter.subEnd(String) is called
    
    Returns:
  - build
```
public Select build()
```
  - groupBy
```
public GroupByAdapter groupBy(String... expressions)
```
  - orderBy
```
public OrderByAdapter orderBy(String... expressions)
```