Cloud Spanner Client - Class KeySet (1.54.2)

Reference documentation and code samples for the Cloud Spanner Client class KeySet.

Represents a Cloud Spanner KeySet.

Example:

use Google\Cloud\Spanner\SpannerClient;

$spanner = new SpannerClient();

$keySet = $spanner->keySet();

Methods

__construct

Create a KeySet.

Parameters
Name	Description
`options`	`array` [optional] { @type array $keys A list of specific keys. Entries in keys should have exactly as many elements as there are columns in the primary or index key with which this KeySet is used. @type KeyRange[] $ranges A list of Key Ranges. @type bool $all If true, KeySet will match all keys in a table. Defaults to `false`. }
`↳ keys`	`array` A list of specific keys. Entries in keys should have exactly as many elements as there are columns in the primary or index key with which this KeySet is used.
`↳ ranges`	`KeyRange[]` A list of Key Ranges.
`↳ all`	`bool` If true, KeySet will match all keys in a table. Defaults to `false`.

ranges

Fetch the KeyRanges

Example:

$ranges = $keySet->ranges();

Returns
Type	Description
`array<Google\Cloud\Spanner\KeyRange>`

addRange

Add a single KeyRange.

Example:

$range = new KeyRange();
$keySet->addRange($range);

Parameter
Name	Description
`range`	`Google\Cloud\Spanner\KeyRange` A KeyRange instance.

Returns
Type	Description
`void`

setRanges

Set the KeySet's KeyRanges.

Any existing KeyRanges will be overridden.

Example:

$range = new KeyRange();
$keySet->setRanges([$range]);

Parameter
Name	Description
`ranges`	`array<Google\Cloud\Spanner\KeyRange>` An array of KeyRange objects.

Returns
Type	Description
`void`

keys

Fetch the keys.

Example:

$keys = $keySet->keys();

Returns
Type	Description
`array`

addKey

Add a single key.

A Key should have exactly as many elements as there are columns in the primary or index key with which this KeySet is used.

Example:

$keySet->addKey('Bob');

Parameter
Name	Description
`key`	`mixed` The Key to add.

Returns
Type	Description
`void`

setKeys

Set the KeySet keys.

Any existing keys will be overridden.

Example:

$keySet->setKeys(['Bob', 'Jill']);

Parameter
Name	Description
`keys`	`array`

Returns
Type	Description
`void`

matchAll

Get the value of Match All.

Example:

if ($keySet->matchAll()) {
    echo "All keys will match";
}

Returns
Type	Description
`bool`

setMatchAll

Choose whether the KeySet should match all keys in a table.

Example:

$keySet->setMatchAll(true);

Parameter
Name	Description
`all`	`bool` If true, all keys in a table will be matched.

Returns
Type	Description
`void`

keySetObject

Format a KeySet object for use in the Spanner API.

fromArray

Create a KeySet from an array created by Google\Cloud\Spanner\KeySet::keySetObject().

Parameter
Name	Description
`keySet`	`array` An array of KeySet data.

Returns
Type	Description
`Google\Cloud\Spanner\KeySet`