db_ops.h

Go to the documentation of this file.

 
#pragma once
#include "../../diskio/include/diskio.h"
#include "../../diskio/include/db_structs.h"
#include "../../diskio/include/diskiod.h"
 
#include "record.h"
#include "cursor.h"
#include "cursor_bt.h"
#include <string.h>
#include <assert.h>
 
#define TABLES 0
 
#define COLUMNS 1
 
#define TABLES_NAMES 2
 
#define COLUMNS_TIDX 3
 
#define COLUMNS_NAMES 4
 
int initialize_tables();
 
void *get_row(Page root, Key key, Cursor **cursor);
 
struct record *get_n_record(Page root, Key key, size_t n);
 
Page get_table_addr(Key table_id);
 
Key get_table_id(char *table_name);
 
Key get_next_id(Key root_id);
 
Key insert_row(Key root_id, struct record **records, size_t size);
 
Key advanced_insert_row(Key tidx, struct record **records, size_t size);
 
Page create_table(
    char *table_name,
    char **column_names,
    short nb_cols);
 
short *get_column_offsets(
    Key table_id,
    char *col_names[],
    size_t nb_cols);
 
char *select_row_columns(
    char *table_name,
    Key key,
    char *col_names[],
    size_t nb_cols);
 
char *select_all(
    char *table_name,
    char *col_names[],
    size_t nb_cols);
 
char *select_where(
    char *table_name,
    char *col_names[],
    size_t nb_cols,
    char *where_col_name,
    struct record *where_record);
 
void exit_db();