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Aikesheng Open Source Community
Aikesheng Open Source Community
Jul 16, 2024 · Databases

How to Resolve MySQL "Index column size too large" (Error 1709) After Upgrading to 8.0.21

This article analyzes the MySQL 1709/1071 index‑column‑size‑too‑large error that appears after upgrading from 5.6 to 8.0.21, explains its relation to compact/redundant row formats, references the underlying bug, and provides practical steps and SQL queries to detect and fix affected tables before or after the upgrade.

Database upgradeDynamicError 1709
0 likes · 12 min read
How to Resolve MySQL "Index column size too large" (Error 1709) After Upgrading to 8.0.21
Laravel Tech Community
Laravel Tech Community
Dec 11, 2020 · Backend Development

Using PHP compact() to Create an Array of Variable Names and Their Values

This article explains how PHP's compact() function builds an associative array by extracting variable names from the current scope, details its parameters and return value, and provides a complete example with code and output illustrating its usage.

Variablesarraybackend
0 likes · 2 min read
Using PHP compact() to Create an Array of Variable Names and Their Values