public final class Type implements Serializable
Describes a type in the Cloud Spanner type system. Types can either be primitive (for example,
INT64 and STRING) or composite (for example, ARRAY<INT64> or
STRUCT<INT64,STRING>).
Type instances are immutable.
Static Methods
array(Type elementType)
public static Type array(Type elementType)
Returns a descriptor for an array of elementType.
| Parameter |
|---|
| Name | Description |
elementType | Type
|
| Returns |
|---|
| Type | Description |
Type | |
bool()
public static Type bool()
Returns the descriptor for the BOOL type.
| Returns |
|---|
| Type | Description |
Type | |
bytes()
public static Type bytes()
Returns the descriptor for the BYTES type: a variable-length byte string.
| Returns |
|---|
| Type | Description |
Type | |
date()
public static Type date()
Returns the descriptor for the DATE type: a timezone independent date in the range
[0001-01-01, 9999-12-31).
| Returns |
|---|
| Type | Description |
Type | |
float64()
public static Type float64()
Returns the descriptor for the FLOAT64 type: a floating point type with the same value
domain as a Java {code double}.
| Returns |
|---|
| Type | Description |
Type | |
int64()
public static Type int64()
Returns the descriptor for the INT64 type: an integral type with the same value domain
as a Java long.
| Returns |
|---|
| Type | Description |
Type | |
json()
public static Type json()
Returns the descriptor for the JSON type.
| Returns |
|---|
| Type | Description |
Type | |
numeric()
public static Type numeric()
Returns the descriptor for the NUMERIC type.
| Returns |
|---|
| Type | Description |
Type | |
pgNumeric()
public static Type pgNumeric()
Returns the descriptor for the NUMERIC type with the PG_NUMERIC type
annotation.
| Returns |
|---|
| Type | Description |
Type | |
string()
public static Type string()
Returns the descriptor for the STRING type: a variable-length Unicode character string.
| Returns |
|---|
| Type | Description |
Type | |
struct(Type.StructField[] fields)
public static Type struct(Type.StructField[] fields)
Returns a descriptor for a STRUCT type: an ordered collection of named and typed
fields.
| Returns |
|---|
| Type | Description |
Type | |
struct(Iterable<Type.StructField> fields)
public static Type struct(Iterable<Type.StructField> fields)
Returns a descriptor for a STRUCT type: an ordered collection of named and typed
fields.
| Returns |
|---|
| Type | Description |
Type | |
timestamp()
public static Type timestamp()
Returns the descriptor for the TIMESTAMP type: a nano precision timestamp in the range
[0000-01-01 00:00:00, 9999-12-31 23:59:59.999999999 UTC].
| Returns |
|---|
| Type | Description |
Type | |
Methods
equals(Object o)
public boolean equals(Object o)
| Parameter |
|---|
| Name | Description |
o | Object
|
Overrides
getArrayElementType()
public Type getArrayElementType()
Returns the type descriptor for elements of this ARRAY type.
| Returns |
|---|
| Type | Description |
Type | |
getCode()
public Type.Code getCode()
Returns the type code corresponding to this type.
getFieldIndex(String fieldName)
public int getFieldIndex(String fieldName)
Returns the index of the field named fieldName in this STRUCT type.
| Parameter |
|---|
| Name | Description |
fieldName | String
|
| Returns |
|---|
| Type | Description |
int | |
getStructFields()
public List<Type.StructField> getStructFields()
Returns the fields of this STRUCT type.
hashCode()
| Returns |
|---|
| Type | Description |
int | |
Overrides
toString()
Overrides
