SchemaBuilder (Drill : 1.20.3 API)

```
public class SchemaBuilder
extends Object
```
A reusable builder that supports the creation of BatchSchemas. Can have a supporting expected object. If the expected Schema object is defined, the builder will always check that this schema is a equal or more materialized version of the current schema.

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`SchemaBuilder`	`addField(MaterializedField f)`
`SchemaBuilder`	`addFields(Iterable<MaterializedField> fields)`
`SchemaBuilder`	`addSerializedFields(Iterable<UserBitShared.SerializedField> fields)`
`BatchSchema`	`build()` Generate a new BatchSchema object based on the current state of the builder.
`SchemaBuilder`	`removeField(MaterializedField f)`
`SchemaBuilder`	`setSelectionVectorMode(BatchSchema.SelectionVectorMode selectionVectorMode)`

public SchemaBuilder setSelectionVectorMode(BatchSchema.SelectionVectorMode selectionVectorMode)

public SchemaBuilder addFields(Iterable<MaterializedField> fields)

public SchemaBuilder addSerializedFields(Iterable<UserBitShared.SerializedField> fields)

public SchemaBuilder addField(MaterializedField f)

public SchemaBuilder removeField(MaterializedField f)
                          throws SchemaChangeException

Class SchemaBuilder