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OBITools3
Commit d8107533 authored by Celine Mercier's avatar Celine Mercier
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Obiblob_indexer API

parent cd4e65e1
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python/obitools3/obidms/_obidms.cfiles
View file @ d8107533
......@@ -28,3 +28,7 @@
../../../src/crc64.h
../../../src/utils.c
../../../src/utils.h
../../../src/obiblob.c
../../../src/obiblob.h
../../../src/obiblob_indexer.c
../../../src/obiblob_indexer.h
python/obitools3/obidms/_obidms.pxd
View file @ d8107533
......@@ -56,7 +56,7 @@ cdef class OBIView:
index_t nb_lines=*,
index_t nb_elements_per_line=*,
list elements_names=*,
str avl_name=*,
str indexer_name=*,
str comments=*,
bint create=*
)
......
python/obitools3/obidms/_obidms.pyx
View file @ d8107533
......@@ -352,7 +352,7 @@ cdef class OBIView :
index_t nb_lines=0,
index_t nb_elements_per_line=1, # TODO 1?
list elements_names=None,
str avl_name="default_AVL_tree",
str indexer_name="default_indexer",
str comments="",
bint create=True # TODO
) :
......@@ -388,7 +388,7 @@ cdef class OBIView :
if (obi_view_add_column(self.pointer, column_name_b, version_number, # should return pointer on column?
data_type, nb_lines, nb_elements_per_line,
elements_names_b, str2bytes(avl_name),
elements_names_b, str2bytes(indexer_name),
str2bytes(comments), create) < 0) :
raise Exception("Problem adding a column in a view")
......
python/obitools3/obidms/capi/obidmscolumn.pxd
View file @ d8107533
......@@ -27,7 +27,7 @@ cdef extern from "obidmscolumn.h" nogil:
obiversion_t version
obiversion_t cloned_from
const_char_p name
const_char_p avl_name
const_char_p indexer_name
const_char_p comments
ctypedef OBIDMS_column_header_t* OBIDMS_column_header_p
......@@ -45,7 +45,7 @@ cdef extern from "obidmscolumn.h" nogil:
index_t nb_lines,
index_t nb_elements_per_line,
const_char_p elements_names,
const_char_p avl_name,
const_char_p indexer_name,
const_char_p comments)
OBIDMS_column_p obi_open_column(OBIDMS_p dms,
......
python/obitools3/obidms/capi/obiview.pxd
View file @ d8107533
......@@ -90,7 +90,7 @@ cdef extern from "obiview.h" nogil:
index_t nb_lines,
index_t nb_elements_per_line,
const_char_p elements_names,
const_char_p avl_name,
const_char_p indexer_name,
const_char_p comments,
bint create)
......
src/obiavl.c
View file @ d8107533
......@@ -510,7 +510,7 @@ char* get_full_path_of_avl_dir(OBIDMS_p dms, const char* avl_name)
{
char* avl_dir_name;
avl_dir_name = get_full_path(dms, AVL_TREES_DIR_NAME);
avl_dir_name = get_full_path(dms, INDEXER_DIR_NAME);
if (avl_dir_name == NULL)
{
obidebug(1, "\nError getting path for the DMS AVL directory");
......@@ -1291,7 +1291,7 @@ int obi_avl_exists(OBIDMS_p dms, const char* avl_name)
int check_dir;
// Build the AVL tree file path
relative_path_size = strlen(avl_name) + strlen(AVL_TREES_DIR_NAME) + 2;
relative_path_size = strlen(avl_name) + strlen(INDEXER_DIR_NAME) + 2;
avl_dir_relative_path = (char*) malloc(relative_path_size*sizeof(char));
if (avl_dir_relative_path == NULL)
{
......@@ -1299,7 +1299,7 @@ int obi_avl_exists(OBIDMS_p dms, const char* avl_name)
obidebug(1, "\nError allocating memory for the path to the AVL directory");
return -1;
}
strcpy(avl_dir_relative_path, AVL_TREES_DIR_NAME);
strcpy(avl_dir_relative_path, INDEXER_DIR_NAME);
strcat(avl_dir_relative_path, "/");
strcat(avl_dir_relative_path, avl_name);
avl_dir_path = get_full_path(dms, avl_dir_relative_path);
......@@ -1367,7 +1367,7 @@ OBIDMS_avl_p obi_create_avl(OBIDMS_p dms, const char* avl_name, int avl_idx)
// Create that AVL's directory if it doesn't already exist
if (check_dir < 0)
{
if (mkdirat(dms->avl_dir_fd, avl_dir_name, 00777) < 0)
if (mkdirat(dms->indexer_dir_fd, avl_dir_name, 00777) < 0)
{
obi_set_errno(OBI_AVL_ERROR);
obidebug(1, "\nError creating an AVL directory");
......@@ -1596,7 +1596,7 @@ OBIDMS_avl_p obi_create_avl(OBIDMS_p dms, const char* avl_name, int avl_idx)
avl->dms = dms;
avl->data = avl_data;
avl->directory = dms->avl_directory;
avl->directory = dms->indexer_directory;
avl->dir_fd = avl_dir_fd;
avl->avl_fd = avl_file_descriptor;
......@@ -1612,8 +1612,8 @@ OBIDMS_avl_p obi_create_avl(OBIDMS_p dms, const char* avl_name, int avl_idx)
bloom_init(&((avl->header)->bloom_filter), MAX_NODE_COUNT_PER_AVL);
// Add in the list of opened AVL trees
*(((dms->opened_avls)->avls)+((dms->opened_avls)->nb_opened_avls)) = avl;
((dms->opened_avls)->nb_opened_avls)++;
*(((dms->opened_indexers)->indexers)+((dms->opened_indexers)->nb_opened_indexers)) = avl;
((dms->opened_indexers)->nb_opened_indexers)++;
avl->counter = 1;
if (avl_idx >= 0)
......@@ -1658,14 +1658,14 @@ OBIDMS_avl_p obi_open_avl(OBIDMS_p dms, const char* avl_name, int avl_idx)
}
// Check if the AVL tree is already in the list of opened AVL trees
for (i=0; i < ((dms->opened_avls)->nb_opened_avls); i++)
for (i=0; i < ((dms->opened_indexers)->nb_opened_indexers); i++)
{
if (!strcmp(((*(((dms->opened_avls)->avls)+i))->header)->avl_name, complete_avl_name))
if (!strcmp(((*(((dms->opened_indexers)->indexers)+i))->header)->avl_name, complete_avl_name))
{ // Found the AVL tree already opened
((*(((dms->opened_avls)->avls)+i))->counter)++;
((*(((dms->opened_indexers)->indexers)+i))->counter)++;
if (avl_idx >= 0)
free(complete_avl_name);
return *(((dms->opened_avls)->avls)+i);
return *(((dms->opened_indexers)->indexers)+i);
}
}
......@@ -1873,13 +1873,13 @@ OBIDMS_avl_p obi_open_avl(OBIDMS_p dms, const char* avl_name, int avl_idx)
avl->dms = dms;
avl->data = avl_data;
avl->directory = dms->avl_directory;
avl->directory = dms->indexer_directory;
avl->dir_fd = avl_dir_file_descriptor;
avl->avl_fd = avl_file_descriptor;
// Add in the list of opened AVL trees
*(((dms->opened_avls)->avls)+((dms->opened_avls)->nb_opened_avls)) = avl;
((dms->opened_avls)->nb_opened_avls)++;
*(((dms->opened_indexers)->indexers)+((dms->opened_indexers)->nb_opened_indexers)) = avl;
((dms->opened_indexers)->nb_opened_indexers)++;
avl->counter = 1;
if (avl_idx >= 0)
......@@ -1983,26 +1983,26 @@ OBIDMS_avl_group_p obi_open_avl_group(OBIDMS_p dms, const char* avl_name)
int obi_close_avl(OBIDMS_avl_p avl)
{
int ret_val = 0;
size_t i;
Opened_avls_list_p avls_list;
OBIDMS_p dms;
int ret_val = 0;
size_t i;
Opened_indexers_list_p indexers_list;
OBIDMS_p dms;
dms = avl->dms;
avls_list = dms->opened_avls;
indexers_list = dms->opened_indexers;
(avl->counter)--;
if (avl->counter == 0)
{
// Delete from the list of opened avls
for (i=0; i < (avls_list->nb_opened_avls); i++)
for (i=0; i < (indexers_list->nb_opened_indexers); i++)
{
if (!strcmp(((*((avls_list->avls)+i))->header)->avl_name, (avl->header)->avl_name))
if (!strcmp(((*((indexers_list->indexers)+i))->header)->avl_name, (avl->header)->avl_name))
{ // Found the avl. Rearrange list
(avls_list->nb_opened_avls)--;
(avls_list->avls)[i] = (avls_list->avls)[avls_list->nb_opened_avls];
(indexers_list->nb_opened_indexers)--;
(indexers_list->indexers)[i] = (indexers_list->indexers)[indexers_list->nb_opened_indexers];
}
}
......
src/obiavl.h
View file @ d8107533
......@@ -127,6 +127,7 @@ typedef struct OBIDMS_avl_header {
/**
* @brief OBIDMS AVL tree structure.
* TODO doc
*/
typedef struct OBIDMS_avl {
OBIDMS_p dms; /**< A pointer to the OBIDMS structure to which the AVL tree belongs.
......
src/obiblob_indexer.c 0 → 100644
View file @ d8107533
/****************************************************************************
* Obiblob functions *
****************************************************************************/
/**
* @file obiblob_indexer.c
* @author Celine Mercier
* @date April 12th 2016
* @brief Functions handling the indexing and retrieval of blob structures.
*/
#include <stdlib.h>
#include <stdio.h>
#include "obiblob_indexer.h"
#include "obidms.h"
#include "obiavl.h"
#define DEBUG_LEVEL 0 // TODO has to be defined somewhere else (cython compil flag?)
inline int obi_indexer_exists(OBIDMS_p dms, const char* name);
inline Obi_indexer_p obi_indexer(OBIDMS_p dms, const char* name);
inline Obi_indexer_p obi_create_indexer(OBIDMS_p dms, const char* name);
inline Obi_indexer_p obi_open_indexer(OBIDMS_p dms, const char* name);
inline int obi_close_indexer(Obi_indexer_p indexer);
inline index_t obi_indexer_add(Obi_indexer_p indexer, Obi_blob_p value);
inline Obi_blob_p obi_indexer_get(Obi_indexer_p indexer, index_t idx);
src/obiblob_indexer.h 0 → 100644
View file @ d8107533
/****************************************************************************
* Blob indexer header file *
****************************************************************************/
/**
* @file obiblob_indexer.h
* @author Celine Mercier
* @date April 12th 2016
* @brief Header file for the functions handling the indexing of values.
*/
#ifndef OBIBLOB_INDEXER_H_
#define OBIBLOB_INDEXER_H_
#include <stdlib.h>
#include <stdio.h>
#include "obidms.h"
#include "obiavl.h"
#include "obitypes.h"
#include "obiblob.h"
#define INDEXER_MAX_NAME AVL_MAX_NAME /**< Macro to refer to the maximum size of the name of an indexer structure.
*/
typedef OBIDMS_avl_group_p Obi_indexer_p; /**< Typedef to refer to the used indexer structure.
*/
// TODO doc
inline int obi_indexer_exists(OBIDMS_p dms, const char* name)
{
return obi_avl_exists(dms, name);
}
inline Obi_indexer_p obi_indexer(OBIDMS_p dms, const char* name)
{
return obi_avl_group(dms, name);
}
inline Obi_indexer_p obi_create_indexer(OBIDMS_p dms, const char* name)
{
return obi_create_avl_group(dms, name);
}
inline Obi_indexer_p obi_open_indexer(OBIDMS_p dms, const char* name)
{
return obi_open_avl_group(dms, name);
}
inline int obi_close_indexer(Obi_indexer_p indexer)
{
return obi_close_avl_group(indexer);
}
inline index_t obi_indexer_add(Obi_indexer_p indexer, Obi_blob_p value)
{
return obi_avl_group_add(indexer, value);
}
inline Obi_blob_p obi_indexer_get(Obi_indexer_p indexer, index_t idx)
{
return obi_avl_group_get(indexer, idx);
}
#endif /* OBIBLOB_INDEXER_H_ */
src/obidms.c
View file @ d8107533
......@@ -249,7 +249,7 @@ OBIDMS_p obi_create_dms(const char* dms_name)
return NULL;
}
// Get file descriptor of DMS directory to create the AVL trees directory
// Get file descriptor of DMS directory to create the indexer directory
dms_dir = opendir(directory_name);
if (dms_dir == NULL)
{
......@@ -269,11 +269,11 @@ OBIDMS_p obi_create_dms(const char* dms_name)
return NULL;
}
// Create the AVL trees directory
if (mkdirat(dms_file_descriptor, AVL_TREES_DIR_NAME, 00777) < 0)
// Create the indexer directory
if (mkdirat(dms_file_descriptor, INDEXER_DIR_NAME, 00777) < 0)
{
obi_set_errno(OBI_AVL_ERROR);
obidebug(1, "\nProblem creating an AVL trees directory");
obi_set_errno(OBI_INDEXER_ERROR);
obidebug(1, "\nProblem creating an indexer directory");
return NULL;
}
......@@ -392,24 +392,24 @@ OBIDMS_p obi_open_dms(const char* dms_name)
dms->little_endian = little_endian_dms;
// Open the AVL trees directory
dms->avl_directory = opendir_in_dms(dms, AVL_TREES_DIR_NAME);
if (dms->avl_directory == NULL)
// Open the indexer directory
dms->indexer_directory = opendir_in_dms(dms, INDEXER_DIR_NAME);
if (dms->indexer_directory == NULL)
{
obi_set_errno(OBIDMS_UNKNOWN_ERROR);
obidebug(1, "\nError opening the AVL trees directory");
obidebug(1, "\nError opening the indexer directory");
closedir(dms->directory);
free(dms);
return NULL;
}
// Store the AVL trees directory's file descriptor
dms->avl_dir_fd = dirfd(dms->avl_directory);
if (dms->avl_dir_fd < 0)
// Store the indexer directory's file descriptor
dms->indexer_dir_fd = dirfd(dms->indexer_directory);
if (dms->indexer_dir_fd < 0)
{
obi_set_errno(OBIDMS_UNKNOWN_ERROR);
obidebug(1, "\nError getting the file descriptor of the AVL trees directory");
closedir(dms->avl_directory);
obidebug(1, "\nError getting the file descriptor of the indexer directory");
closedir(dms->indexer_directory);
closedir(dms->directory);
free(dms);
return NULL;
......@@ -420,10 +420,10 @@ OBIDMS_p obi_open_dms(const char* dms_name)
(dms->opened_columns)->columns = (OBIDMS_column_p*) malloc(MAX_NB_OPENED_COLUMNS*sizeof(OBIDMS_column_p));
(dms->opened_columns)->nb_opened_columns = 0;
// Initialize the list of opened AVL trees
dms->opened_avls = (Opened_avls_list_p) malloc(sizeof(Opened_avls_list_t));
(dms->opened_avls)->avls = (OBIDMS_avl_p*) malloc(MAX_NB_OPENED_AVL_TREES*sizeof(OBIDMS_avl_p));
(dms->opened_avls)->nb_opened_avls = 0;
// Initialize the list of opened indexers // TODO should be handled somewhere else?
dms->opened_indexers = (Opened_indexers_list_p) malloc(sizeof(Opened_indexers_list_t));
(dms->opened_indexers)->indexers = (OBIDMS_avl_p*) malloc(MAX_NB_OPENED_INDEXERS*sizeof(OBIDMS_avl_p)); // TODO idk how to handle this
(dms->opened_indexers)->nb_opened_indexers = 0;
return dms;
}
......@@ -456,7 +456,7 @@ int obi_close_dms(OBIDMS_p dms)
while ((dms->opened_columns)->nb_opened_columns > 0)
obi_close_column(*((dms->opened_columns)->columns));
// Close dms and AVL trees directories
// Close dms and indexer directories
if (closedir(dms->directory) < 0)
{
obi_set_errno(OBIDMS_MEMORY_ERROR);
......@@ -464,10 +464,10 @@ int obi_close_dms(OBIDMS_p dms)
free(dms);
return -1;
}
if (closedir(dms->avl_directory) < 0)
if (closedir(dms->indexer_directory) < 0) // TODO should be handled somewhere else?
{
obi_set_errno(OBI_AVL_ERROR);
obidebug(1, "\nError closing an AVL trees directory");
obi_set_errno(OBI_INDEXER_ERROR);
obidebug(1, "\nError closing an indexer directory");
free(dms);
return -1;
}
......
src/obidms.h
View file @ d8107533
......@@ -25,16 +25,16 @@
#include "obierrno.h"
#define OBIDMS_MAX_NAME (2048) /**< The maximum length of an OBIDMS name.
*/
#define AVL_TREES_DIR_NAME "AVL_trees" /**< The name of the AVL trees directory.
*/
#define TAXONOMY_DIR_NAME "TAXONOMY" /**< The name of the taxonomy directory.
*/
#define MAX_NB_OPENED_COLUMNS (100) /**< The maximum number of columns open at the same time.
*/
#define MAX_NB_OPENED_AVL_TREES (1000) /**< The maximum number of AVL trees open at the same time.
*/
#define OBIDMS_MAX_NAME (2048) /**< The maximum length of an OBIDMS name.
*/
#define INDEXER_DIR_NAME "OBIBLOB_INDEXERS" /**< The name of the Obiblob indexer directory.
*/
#define TAXONOMY_DIR_NAME "TAXONOMY" /**< The name of the taxonomy directory.
*/
#define MAX_NB_OPENED_COLUMNS (100) /**< The maximum number of columns open at the same time.
*/
#define MAX_NB_OPENED_INDEXERS (1000) /**< The maximum number of indexers open at the same time.
*/
struct OBIDMS_column; // TODO
......@@ -47,10 +47,10 @@ typedef struct Opened_columns_list {
struct OBIDMS_avl; // TODO
typedef struct Opened_avls_list {
size_t nb_opened_avls;
struct OBIDMS_avl** avls;
} Opened_avls_list_t, *Opened_avls_list_p;
typedef struct Opened_indexers_list {
size_t nb_opened_indexers;
struct OBIDMS_avl** indexers; // TODO indexer but not AVL_group
} Opened_indexers_list_t, *Opened_indexers_list_p;
/**
......@@ -69,17 +69,17 @@ typedef struct OBIDMS {
int dir_fd; /**< The file descriptor of the directory entry
* usable to refer and scan the database directory.
*/
DIR* avl_directory; /**< A directory entry usable to
* refer and scan the AVL trees directory.
DIR* indexer_directory; /**< A directory entry usable to
* refer and scan the indexer directory.
*/
int avl_dir_fd; /**< The file descriptor of the directory entry
* usable to refer and scan the AVL trees directory.
int indexer_dir_fd; /**< The file descriptor of the directory entry
* usable to refer and scan the indexer directory.
*/
bool little_endian; /**< Endianness of the database.
*/
Opened_columns_list_p opened_columns; /**< List of opened columns.
*/
Opened_avls_list_p opened_avls; /**< List of opened AVL trees.
Opened_indexers_list_p opened_indexers; /**< List of opened indexers.
*/
} OBIDMS_t, *OBIDMS_p;
......@@ -107,7 +107,7 @@ int obi_dms_exists(const char* dms_name);
* if a directory with this name does not already exist
* before creating the new database.
*
* A directory to store AVL trees is also created.
* A directory to store Obiblob indexers is also created.
*
* @param dms_name A pointer to a C string containing the name of the database.
* The actual directory name used to store the DMS will be
......
src/obidmscolumn.c
View file @ d8107533
......@@ -29,7 +29,7 @@
#include "obierrno.h"
#include "obidebug.h"
#include "obilittlebigman.h"
#include "obiavl.h"
#include "obiblob_indexer.h"
#include "utils.h"
......@@ -519,7 +519,7 @@ OBIDMS_column_p obi_create_column(OBIDMS_p dms,
index_t nb_lines,
index_t nb_elements_per_line,
const char* elements_names,
const char* avl_name,
const char* indexer_name,
const char* comments
)
{
......@@ -554,9 +554,9 @@ OBIDMS_column_p obi_create_column(OBIDMS_p dms,
obidebug(1, "\nCan't create column because of invalid data type");
return NULL;
}
if (((data_type == OBI_STR) || (data_type == OBI_SEQ)) && (avl_name == NULL))
if (((data_type == OBI_STR) || (data_type == OBI_SEQ)) && (indexer_name == NULL))
{
obidebug(1, "\nCan't create column because of empty avl name");
obidebug(1, "\nCan't create column because of empty indexer name");
return NULL;
}
......@@ -724,19 +724,19 @@ OBIDMS_column_p obi_create_column(OBIDMS_p dms,
if (comments != NULL)
strncpy(header->comments, comments, COMMENTS_MAX_LENGTH);
// If the data type is OBI_STR or OBI_SEQ, the associated obi_avl is opened or created
// If the data type is OBI_STR or OBI_SEQ, the associated obi_indexer is opened or created
if ((returned_data_type == OBI_STR) || (returned_data_type == OBI_SEQ))
{
new_column->avl = obi_avl_group(dms, avl_name);
if (new_column->avl == NULL)
new_column->indexer = obi_indexer(dms, indexer_name);
if (new_column->indexer == NULL)
{
obidebug(1, "\nError opening or creating the AVL group associated with a column");
obidebug(1, "\nError opening or creating the indexer associated with a column");
munmap(new_column->header, header_size);
close(column_file_descriptor);
free(new_column);
return NULL;
}
strncpy(header->avl_name, avl_name, AVL_MAX_NAME);
strncpy(header->indexer_name, indexer_name, INDEXER_MAX_NAME);
}
// Fill the data with NA values
......@@ -876,13 +876,13 @@ OBIDMS_column_p obi_open_column(OBIDMS_p dms,
column->writable = false;
// If the data type is OBI_STR or OBI_SEQ, the associated AVL tree is opened
// If the data type is OBI_STR or OBI_SEQ, the associated indexer is opened
if (((column->header)->returned_data_type == OBI_STR) || ((column->header)->returned_data_type == OBI_SEQ))
{
column->avl = obi_open_avl_group(dms, (column->header)->avl_name);
if (column->avl == NULL)
column->indexer = obi_open_indexer(dms, (column->header)->indexer_name);
if (column->indexer == NULL)
{
obidebug(1, "\nError opening the AVL tree associated with a column");
obidebug(1, "\nError opening the indexer associated with a column");
munmap(column->header, header_size);
close(column_file_descriptor);
free(column);
......@@ -940,7 +940,7 @@ OBIDMS_column_p obi_clone_column(OBIDMS_p dms,
nb_lines,
nb_elements_per_line,
(column_to_clone->header)->elements_names,
(column_to_clone->header)->avl_name,
(column_to_clone->header)->indexer_name,
(column_to_clone->header)->comments
);
......@@ -1016,10 +1016,10 @@ int obi_close_column(OBIDMS_column_p column)
}
}
// If the data type is OBI_STR or OBI_SEQ, the associated AVL group is closed
// If the data type is OBI_STR or OBI_SEQ, the associated indexer is closed
if (((column->header)->returned_data_type == OBI_STR) || ((column->header)->returned_data_type == OBI_SEQ))
{
if (obi_close_avl_group(column->avl) < 0)
if (obi_close_indexer(column->indexer) < 0)
return -1;
}
......
src/obidmscolumn.h
View file @ d8107533
......@@ -25,7 +25,7 @@
#include "obierrno.h"
#include "obilittlebigman.h"
#include "obidmscolumndir.h"
#include "obiavl.h"
#include "obiblob_indexer.h"
#define ELEMENTS_NAMES_MAX (2048) /**< The maximum length of the list of elements names.
......@@ -76,7 +76,7 @@ typedef struct OBIDMS_column_header {
*/
char name[OBIDMS_COLUMN_MAX_NAME+1]; /**< The column name as a NULL terminated string.
*/
char avl_name[AVL_MAX_NAME+1]; /**< If there is one, the AVL tree name as a NULL terminated string.
char indexer_name[INDEXER_MAX_NAME+1]; /**< If there is one, the indexer name as a NULL terminated string.
*/
char comments[COMMENTS_MAX_LENGTH+1]; /**< Comments stored as a classical zero end C string.
*/
......@@ -96,7 +96,7 @@ typedef struct OBIDMS_column {
*/
OBIDMS_column_header_p header; /**< A pointer to the header of the column.
*/
OBIDMS_avl_group_p avl; /**< TODO A pointer to the group of AVL trees associated with the column if there is one.
Obi_indexer_p indexer; /**< A pointer to the blob indexer associated with the column if there is one.
*/
void* data; /**< A `void` pointer to the beginning of the data.
*
......@@ -162,7 +162,7 @@ size_t obi_get_platform_header_size();
* @brief Creates a column.
*
* The minimum data size allocated is one memory page, and the data is initialized to the NA value of the OBIType.
* If there is an AVL tree associated with the column, it is opened or created if it does not already exist.
* If there is an indexer associated with the column, it is opened or created if it does not already exist.
*
* @warning If there is one element per line, elements_names should be equal to column_name. // TODO change this condition?
*
......@@ -172,7 +172,7 @@ size_t obi_get_platform_header_size();
* @param nb_lines The number of lines to be stored.
* @param nb_elements_per_line The number of elements per line. // TODO talk about default values
* @param elements_names The names of the elements with ';' as separator.
* @param avl_name The name of the AVL tree if there is one associated with the column.
* @param indexer_name The name of the indexer if there is one associated with the column.