flow php

UNIFIED DATA PROCESSING FRAMEWORK

composer require flow-php/etl ~0.29.0

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extract

Extracts

Read from various data sources.

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transform

Transforms

Shape and optimize for your needs.

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load

Loads

Store and secure in one of many available data sinks.


Definition


/**
 * Transform a SQL query into a keyset (cursor-based) paginated query.
 *
 * More efficient than OFFSET for large datasets - uses indexed WHERE conditions.
 *
 * @param string $sql The SQL query to paginate (must have ORDER BY)
 * @param int $limit Maximum number of rows to return
 * @param list<KeysetColumn> $columns Columns for keyset pagination (must match ORDER BY)
 * @param null|list<null|bool|float|int|string> $cursor Values from last row of previous page (null for first page)
 *
 * @return string The paginated SQL query
 */
sql_to_keyset_query(string $sql, int $limit, array $columns, ?array $cursor) : string

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