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Re: Full Table Scans When LIMIT / OFFSET Are Used
Posted by: Carlos Mennens
Date: September 22, 2021 05:34PM

CREATE TABLE `tbl` (
  `id` bigint(21) unsigned NOT NULL AUTO_INCREMENT,
  `t_p_r_key` char(36) COLLATE utf8mb4_unicode_ci NOT NULL,
  `t_p_type` int(11) NOT NULL,
  `r_key` char(36) COLLATE utf8mb4_unicode_ci NOT NULL,
  `t_p_key` varchar(255) COLLATE utf8mb4_unicode_ci NOT NULL,
  `active` bit(1) NOT NULL DEFAULT b'1',
  `version` int(11) NOT NULL DEFAULT '1',
  `created_at` datetime(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6),
  `updated_at` datetime(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6),
  `dipped_at` datetime(6) DEFAULT NULL,
  `session_key` char(36) COLLATE utf8mb4_unicode_ci DEFAULT NULL,
  PRIMARY KEY (`id`),
  UNIQUE KEY `third_party_reference_key_version` (`t_p_r_key`,`version`),
  KEY `third_party_reference_key` (`t_p_r_key`,`dipped_at`),
  KEY `reference_key` (`r_key`,`dipped_at`),
  KEY `third_party_key` (`t_p_key`,`dipped_at`)
) ENGINE=InnoDB AUTO_INCREMENT=623787 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

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Re: Full Table Scans When LIMIT / OFFSET Are Used
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September 22, 2021 05:34PM


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