errors(3)

💖 errors(3) — Return Codes 💖

okay bestie, so this is errors(3), a manual page from the Library Functions Manual section, and it's basically the ✨vibe check✨ for every return code LMDB can hand you. Every macro, every number, every little "why did this fail" — all here. no cap. 🫶

---

🌸 NAME 🌸

errors — Return Codes. that's it, that's the whole job. she returns codes. iconic behavior honestly. 👑

---

✨ SYNOPSIS ✨

🎀 Macros 🎀

here's the whole squad, literally every one of them, copied exactly because numbers are sacred and I do NOT play with numbers:

#define MDB_SUCCESS   0
#define MDB_KEYEXIST   (-30799)
#define MDB_NOTFOUND   (-30798)
#define MDB_PAGE_NOTFOUND   (-30797)
#define MDB_CORRUPTED   (-30796)
#define MDB_PANIC   (-30795)
#define MDB_VERSION_MISMATCH   (-30794)
#define MDB_INVALID   (-30793)
#define MDB_MAP_FULL   (-30792)
#define MDB_DBS_FULL   (-30791)
#define MDB_READERS_FULL   (-30790)
#define MDB_TLS_FULL   (-30789)
#define MDB_TXN_FULL   (-30788)
#define MDB_CURSOR_FULL   (-30787)
#define MDB_PAGE_FULL   (-30786)
#define MDB_MAP_RESIZED   (-30785)
#define MDB_INCOMPATIBLE   (-30784)
#define MDB_BAD_RSLOT   (-30783)
#define MDB_BAD_TXN   (-30782)
#define MDB_BAD_VALSIZE   (-30781)
#define MDB_BAD_DBI   (-30780)
#define MDB_LAST_ERRCODE   MDB_BAD_DBI

---

🦋 Detailed Description 🦋

BerkeleyDB uses -30800 to -30999, we'll go under them

like... she literally just said "I'm going under their range, respectfully" and did it. main character energy fr. 💅

---

🌈 Macro Definition Documentation 🌈

⭐ #define MDB_SUCCESS 0

Successful result. the good ending. the slay ending. everything worked and you can go touch grass. 🌸

⭐ #define MDB_KEYEXIST (-30799)

key/data pair already exists. it's already there bestie, you can't sit with us twice. 💀

⭐ #define MDB_NOTFOUND (-30798)

key/data pair not found (EOF). she's not here. the key ghosted you. 👻

⭐ #define MDB_PAGE_NOTFOUND (-30797)

Requested page not found - this usually indicates corruption. okay so this one is lowkey scary — it usually means your data is corrupted. not a cute look. 😭

⭐ #define MDB_CORRUPTED (-30796)

Located page was wrong type. the page showed up to the party dressed completely wrong. wrong type, wrong vibe. 🙈

⭐ #define MDB_PANIC (-30795)

Update of meta page failed or environment had fatal error. FATAL. this is the screaming-in-the-group-chat error. do not ignore her. 🚨

⭐ #define MDB_VERSION_MISMATCH (-30794)

Environment version mismatch. you two are not on the same version and honestly it's giving incompatible. 💔

⭐ #define MDB_INVALID (-30793)

File is not a valid LMDB file. bestie that's not an LMDB file, that's just... a file. 🫠

⭐ #define MDB_MAP_FULL (-30792)

Environment mapsize reached. you ran out of room. the map said "no more". 🗺️

⭐ #define MDB_DBS_FULL (-30791)

Environment maxdbs reached. too many databases, the limit said periodt. 🛑

⭐ #define MDB_READERS_FULL (-30790)

Environment maxreaders reached. every reader seat is taken, standing room only. 😤

⭐ #define MDB_TLS_FULL (-30789)

Too many TLS keys in use - Windows only. (Windows only, so if you're on Unix and see this... girl what.) 🪟

⭐ #define MDB_TXN_FULL (-30788)

Txn has too many dirty pages. she's carrying too much, she needs to commit and let it go. 🧳

⭐ #define MDB_CURSOR_FULL (-30787)

Cursor stack too deep - internal error. stack got way too deep, this is an internal error, not your fault bestie. 🕳️

⭐ #define MDB_PAGE_FULL (-30786)

Page has not enough space - internal error. the page is full and it IS an internal error. nothing you did. 🫶

⭐ #define MDB_MAP_RESIZED (-30785)

Database contents grew beyond environment mapsize. she GREW. she ate. and now the mapsize can't hold her. 🔥

⭐ #define MDB_INCOMPATIBLE (-30784)

Operation and DB incompatible, or DB type changed. This can mean:

• The operation expects an MDB_DUPSORT / MDB_DUPFIXED database.
• Opening a named DB when the unnamed DB has MDB_DUPSORT / MDB_INTEGERKEY.
• Accessing a data record as a database, or vice versa.
• The database was dropped and recreated with different flags.

four whole reasons. it's giving "we need to talk". 💔

⭐ #define MDB_BAD_RSLOT (-30783)

Invalid reuse of reader locktable slot. you tried to reuse a slot you were not allowed to reuse. not your slot, not your problem. 🙅

⭐ #define MDB_BAD_TXN (-30782)

Transaction must abort, has a child, or is invalid. this transaction has to abort — she has a child, or she's just invalid. messy either way. 😵

⭐ #define MDB_BAD_VALSIZE (-30781)

Unsupported size of key/DB name/data, or wrong DUPFIXED size. the size is wrong. wrong for the key, the DB name, the data, or the DUPFIXED size. sizes matter. 📏

⭐ #define MDB_BAD_DBI (-30780)

The specified DBI was changed unexpectedly. it changed on you with zero warning. that's not a plot twist, that's a bug. 😭

⭐ #define MDB_LAST_ERRCODE MDB_BAD_DBI

The last defined error code. she's the final boss of error codes. nothing comes after her. periodt. 👑

---

💜 Author 💜

Generated automatically by Doxygen for LMDB from the source code.

---

🫶 reminder bestie: don't hardcode vibes, hardcode the actual macro names. the numbers are -30799 down to -30780 and 0, and they never ever change.

okay that's the whole page!! and a lil cute sign-off: this came from the LMDB manual, errors(3) — and it's signed off on the errors(3) page. mwah. 💅✨🎀