ITPUB
Nov 4, 2016 · Databases
Understanding MySQL’s DYNAMIC_STRING: Structure, Initialization, and Manipulation
The article explains MySQL’s DYNAMIC_STRING structure, detailing its fields, how to initialize it with init_dynamic_string, and how functions like dynstr_append_mem, dynstr_trunc, dynstr_realloc, and dynstr_append_os_quoted manage dynamic resizing, truncation, and OS‑quote handling for safe string operations.
CDynamic StringMemory Management
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