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mdbx: refine/clarify error messages.

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Change-Id: If2a38bdfb4a9fce176acb87fa452709bcfc5c972
This commit is contained in:
Leonid Yuriev
2020-02-02 02:14:27 +03:00
parent 17fe5f106b
commit a594f79e5f
2 changed files with 56 additions and 43 deletions
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32
mdbx.h
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@@ -1412,7 +1412,7 @@ typedef enum MDBX_cursor_op {
/* Environment maxreaders reached */
#define MDBX_READERS_FULL (-30790)
/* Txn has too many dirty pages */
/* Transaction has too many dirty pages, i.e transaction too big */
#define MDBX_TXN_FULL (-30788)
/* Cursor stack too deep - internal error */
@@ -1421,30 +1421,35 @@ typedef enum MDBX_cursor_op {
/* Page has not enough space - internal error */
#define MDBX_PAGE_FULL (-30786)
/* Database contents grew beyond environment mapsize */
/* Database contents grew beyond environment mapsize and engine was
* unable to extend mapping, e.g. since address space is unavailable or busy */
#define MDBX_MAP_RESIZED (-30785)
/* Operation and DB incompatible, or DB type changed. This can mean:
/* Environment or database is not compatible with the requested operation
* or the specified flags. This can mean:
* - The operation expects an MDBX_DUPSORT / MDBX_DUPFIXED database.
* - Opening a named DB when the unnamed DB has MDBX_DUPSORT/MDBX_INTEGERKEY.
* - Accessing a data record as a database, or vice versa.
* - The database was dropped and recreated with different flags. */
#define MDBX_INCOMPATIBLE (-30784)
/* Invalid reuse of reader locktable slot */
/* Invalid reuse of reader locktable slot,
* e.g. read-transaction already run for current thread */
#define MDBX_BAD_RSLOT (-30783)
/* Transaction must abort, has a child, or is invalid */
/* Transaction is not valid for requested operation,
* e.g. had errored and be must aborted, has a child, or is invalid */
#define MDBX_BAD_TXN (-30782)
/* Unsupported size of key/DB name/data, or wrong DUPFIXED size,
* or wrong aligment */
/* Invalid size or alignment of key or data for target database,
* either invalid subDB name */
#define MDBX_BAD_VALSIZE (-30781)
/* The specified DBI was changed unexpectedly */
/* The specified DBI-handle is invalid
* or changed by another thread/transaction */
#define MDBX_BAD_DBI (-30780)
/* Unexpected problem - txn should abort */
/* Unexpected internal error, transaction should be aborted */
#define MDBX_PROBLEM (-30779)
/* The last LMDB-compatible defined error code */
@@ -1454,8 +1459,7 @@ typedef enum MDBX_cursor_op {
* opening with MDBX_EXCLUSIVE flag */
#define MDBX_BUSY (-30778)
/* The mdbx_put() or mdbx_replace() was called for key,
* that has more that one associated value. */
/* The specified key has more than one associated value */
#define MDBX_EMULTIVAL (-30421)
/* Bad signature of a runtime object(s), this can mean:
@@ -1463,8 +1467,8 @@ typedef enum MDBX_cursor_op {
* - ABI version mismatch (rare case); */
#define MDBX_EBADSIGN (-30420)
/* Database should be recovered, but this could NOT be done automatically
* right now (e.g. in readonly mode and so forth). */
/* Database should be recovered, but this could NOT be done for now
* since it opened in read-only mode */
#define MDBX_WANNA_RECOVERY (-30419)
/* The given key value is mismatched to the current cursor position,
@@ -1479,7 +1483,7 @@ typedef enum MDBX_cursor_op {
* e.g. a transaction that started by another thread. */
#define MDBX_THREAD_MISMATCH (-30416)
/* Overlapping read and write transactions for the same thread */
/* Overlapping read and write transactions for the current thread */
#define MDBX_TXN_OVERLAPPING (-30415)
/**** FUNCTIONS & RELATED STRUCTURES ******************************************/