Aikesheng Open Source Community
Nov 3, 2021 · Databases
Why MySQL TIMESTAMP Columns May Fail with “cannot be null” After Migration
The article explains how MySQL's explicit_defaults_for_timestamp setting and strict SQL mode cause TIMESTAMP columns with default CURRENT_TIMESTAMP to produce "Invalid default value" errors during migration from 5.7.28 to 5.7.20, especially when synchronization tools omit NULL and DEFAULT attributes.
MySQLdatabaseexplicit_defaults_for_timestamp
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