FieldMetadata (snowflake-jdbc 4.0.0 API)

```
public interface FieldMetadata
```
Metadata describing a field in a structured type (OBJECT, ARRAY, MAP). This interface provides read-only access to field information including name, type, precision, scale, and nested fields.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`SnowflakeType`	`getBase()`	Gets the base Snowflake type of the field.
`int`	`getByteLength()`	Gets the byte length of the field.
`List<FieldMetadata>`	`getFields()`	Gets the nested field metadata for structured types (OBJECT, ARRAY, MAP).
`String`	`getName()`	Gets the name of the field.
`int`	`getPrecision()`	Gets the precision of the field.
`int`	`getScale()`	Gets the scale of the field.
`int`	`getType()`	Gets the SQL type code of the field.
`String`	`getTypeName()`	Gets the type name of the field.
`boolean`	`isFixed()`	Checks if the field has a fixed size.
`boolean`	`isNullable()`	Checks if the field is nullable.

- Method Detail
  - getName
```
String getName()
```
    Gets the name of the field.
    
    Returns:
    
    the field name
  - getTypeName
```
String getTypeName()
```
    Gets the type name of the field.
    
    Returns:
    
    the type name
  - getType
```
int getType()
```
    Gets the SQL type code of the field.
    
    Returns:
    
    the SQL type code as defined in Types
  - isNullable
```
boolean isNullable()
```
    Checks if the field is nullable.
    
    Returns:
    
    true if the field can contain null values, false otherwise
  - getByteLength
```
int getByteLength()
```
    Gets the byte length of the field.
    
    Returns:
    
    the byte length
  - getPrecision
```
int getPrecision()
```
    Gets the precision of the field.
    
    Returns:
    
    the precision
  - getScale
```
int getScale()
```
    Gets the scale of the field.
    
    Returns:
    
    the scale
  - isFixed
```
boolean isFixed()
```
    Checks if the field has a fixed size.
    
    Returns:
    
    true if the field has a fixed size, false otherwise
  - getBase
```
SnowflakeType getBase()
```
    Gets the base Snowflake type of the field.
    
    Returns:
    
    the base SnowflakeType
  - getFields
```
List<FieldMetadata> getFields()
```
    Gets the nested field metadata for structured types (OBJECT, ARRAY, MAP).
    
    Returns:
    
    list of nested field metadata, or empty list if no nested fields