MadelineProtoDocs/docs/PHPInternal/danog/MadelineProto/Db/NullCache/PostgresArray.md

title: danog\MadelineProto\Db\NullCache\PostgresArray: Postgres database backend, no caching. description:

danog\MadelineProto\Db\NullCache\PostgresArray

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Author: Daniil Gentili daniil@daniil.it

Postgres database backend, no caching.

Method list:

• initStartup(): \Generator
• initConnection(\danog\MadelineProto\Settings\Database\Postgres $settings): \Generator
• offsetSet(string $index, $value)
• isset( $key): \Promise<bool> true if the offset exists, otherwise false
• offsetUnset(string $index): \Amp\Promise
• getArrayCopy(): \Amp\Promise<array>
• count(): \Promise<int> The number of elements or public properties in the associated array or object, respectively.
• getInstance(string $table, \danog\MadelineProto\Db\DbArray|array|null $value, \danog\MadelineProto\Settings\Database\DatabaseAbstract $settings): \Amp\Promise

Methods:

initStartup(): \Generator

Initialize on startup.

See also:

• \Generator

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initConnection(\danog\MadelineProto\Settings\Database\Postgres $settings): \Generator

Initialize connection.

Parameters:

• $settings: \danog\MadelineProto\Settings\Database\Postgres

See also:

• \danog\MadelineProto\Settings\Database\Postgres: Postgres backend settings.
• \Generator

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offsetSet(string $index, $value)

Set value for an offset.

Parameters:

• $index: string

  The index to set for.

* `$value`: ``

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isset( $key): \Promise<bool> true if the offset exists, otherwise false

Check if key isset.

Parameters:

• $key: ``

Return value: true if the offset exists, otherwise false

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offsetUnset(string $index): \Amp\Promise

Unset value for an offset.

Parameters:

• $index: string

  The offset to unset.

See also:

• \Amp\Promise

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getArrayCopy(): \Amp\Promise<array>

Get array copy.

See also:

• \Amp\Promise

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`count(): \Promise The number of elements or public properties in the associated

array or object, respectively.`

Count elements.

Return value: The number of elements or public properties in the associated array or object, respectively.

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getInstance(string $table, \danog\MadelineProto\Db\DbArray|array|null $value, \danog\MadelineProto\Settings\Database\DatabaseAbstract $settings): \Amp\Promise

Parameters:

• $table: string
• $value: \danog\MadelineProto\Db\DbArray|array|null
• $settings: \danog\MadelineProto\Settings\Database\DatabaseAbstract

Fully typed return value:

\Amp\Promise<static>

See also:

• \danog\MadelineProto\Db\DbArray: DB array interface.
• \danog\MadelineProto\Settings\Database\DatabaseAbstract: Base class for database backends.
• \Amp\Promise

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