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mdbx: minor clarity enum MDBX_db_flags_t (database flags) descriptions.

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Related to https://github.com/erthink/libmdbx/issues/241
This commit is contained in:
Leonid Yuriev 2021-11-12 19:38:48 +03:00
parent 79a5802ad4
commit ff26d30362
1 changed files with 8 additions and 7 deletions
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15
mdbx.h
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@ -1383,10 +1383,10 @@ DEFINE_ENUM_FLAG_OPERATORS(MDBX_txn_flags_t)
enum MDBX_db_flags_t { enum MDBX_db_flags_t {
MDBX_DB_DEFAULTS = 0, MDBX_DB_DEFAULTS = 0,
/** Use reverse string keys */ /** Use reverse string comparison for keys. */
MDBX_REVERSEKEY = UINT32_C(0x02), MDBX_REVERSEKEY = UINT32_C(0x02),
/** Use sorted duplicates, i.e. allow multi-values */ /** Use sorted duplicates, i.e. allow multi-values for a keys. */
MDBX_DUPSORT = UINT32_C(0x04), MDBX_DUPSORT = UINT32_C(0x04),
/** Numeric keys in native byte order either uint32_t or uint64_t. The keys /** Numeric keys in native byte order either uint32_t or uint64_t. The keys
@ -1394,18 +1394,19 @@ enum MDBX_db_flags_t {
* arguments. */ * arguments. */
MDBX_INTEGERKEY = UINT32_C(0x08), MDBX_INTEGERKEY = UINT32_C(0x08),
/** With \ref MDBX_DUPSORT; sorted dup items have fixed size */ /** With \ref MDBX_DUPSORT; sorted dup items have fixed size. The data values
* must all be of the same size. */
MDBX_DUPFIXED = UINT32_C(0x10), MDBX_DUPFIXED = UINT32_C(0x10),
/** With \ref MDBX_DUPSORT and with \ref MDBX_DUPFIXED; dups are fixed size /** With \ref MDBX_DUPSORT and with \ref MDBX_DUPFIXED; dups are fixed size
* \ref MDBX_INTEGERKEY -style integers. The data values must all be of the * like \ref MDBX_INTEGERKEY -style integers. The data values must all be of
* same size and must be aligned while passing as arguments. */ * the same size and must be aligned while passing as arguments. */
MDBX_INTEGERDUP = UINT32_C(0x20), MDBX_INTEGERDUP = UINT32_C(0x20),
/** With \ref MDBX_DUPSORT; use reverse string comparison */ /** With \ref MDBX_DUPSORT; use reverse string comparison for data values. */
MDBX_REVERSEDUP = UINT32_C(0x40), MDBX_REVERSEDUP = UINT32_C(0x40),
/** Create DB if not already existing */ /** Create DB if not already existing. */
MDBX_CREATE = UINT32_C(0x40000), MDBX_CREATE = UINT32_C(0x40000),
/** Opens an existing sub-database created with unknown flags. /** Opens an existing sub-database created with unknown flags.