File unloaddb.h

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/*
 * Copyright 2008 Search Solution Corporation
 * Copyright 2016 CUBRID Corporation
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 */


/*
 *      unloaddb.h: simplified object descriptions
 */

#ifndef _UNLOADDB_H_
#define _UNLOADDB_H_

#ident "$Id$"

#include "locator_cl.h"

struct extract_context;
class print_output;

extern char *database_name;
extern char *input_filename;
extern int g_pre_alloc_varchar_size;
extern int g_parallel_process_cnt;
extern int g_parallel_process_idx;
extern int g_request_pages;
extern int page_size;
extern int cached_pages;
extern int64_t est_size;
extern char *hash_filename;
extern int debug_flag;
extern bool verbose_flag;
extern bool latest_image_flag;
extern bool include_references;
extern bool ignore_err_flag;
extern bool required_class_only;
extern bool datafile_per_class;
extern bool split_schema_files;
extern LIST_MOPS *class_table;
extern DB_OBJECT **req_class_table;
extern int is_req_class (DB_OBJECT * class_);
extern int get_requested_classes (const char *input_filename, DB_OBJECT * class_list[]);

#define PRINT_IDENTIFIER(s) "[", (s), "]"
#define PRINT_IDENTIFIER_WITH_QUOTE(s) "\"", (s), "\""
#define PRINT_FUNCTION_INDEX_NAME(s) "\"", (s), "\""

#define PRINT_OWNER_NAME(owner, print, output_owner, output_len)  do {                \
  assert (((int) strlen (owner) + 4) < STATIC_CAST (int, output_len));                \
  if (print)                                                                          \
      snprintf (output_owner, output_len, "%s%s%s%s", PRINT_IDENTIFIER (owner), "."); \
  else                                                                                \
      strcpy (output_owner, "");                                                      \
} while (0)

/* 
 * name is user_specified_name.
 * owner_name must be a char array of size DB_MAX_IDENTIFIER_LENGTH to copy user_specified_name.
 * class_name refers to class_name after dot(.).
 */
#define SPLIT_USER_SPECIFIED_NAME(name, owner_name, class_name) do {        \
  const char *p = strchr (name, '.');                                       \
  if (p)                                                                    \
  {                                                                         \
    assert ((int) (p - name) < STATIC_CAST (int, sizeof (owner_name)));     \
    assert ((int) strlen (p + 1) < STATIC_CAST (int, sizeof (class_name))); \
    memcpy (owner_name, name, p - name);                                    \
    owner_name[p - name] = '\0';                                            \
    strcpy (class_name, p + 1);                                             \
  }                                                                         \
  else                                                                      \
  {                                                                         \
    assert (false);                                                         \
    owner_name[0] = '\0';                                                   \
    strcpy (class_name, name);                                              \
  }                                                                         \
} while (0)

extern int extract_classes_to_file (extract_context & ctxt);
extern int extract_triggers (extract_context & ctxt, print_output & output_ctx);
extern int extract_triggers_to_file (extract_context & ctxt, const char *output_filename);
extern int extract_indexes_to_file (extract_context & ctxt, const char *output_filename);

extern int extract_objects (extract_context & ctxt, const char *output_dirname, int nthreads, int sampling_records,
                bool enhanced_estimates);

extern int create_filename_schema (const char *output_dirname, const char *output_prefix,
                   char *output_filename_p, const size_t filename_size);
extern int create_filename_trigger (const char *output_dirname, const char *output_prefix,
                    char *output_filename_p, const size_t filename_size);
extern int create_filename_indexes (const char *output_dirname, const char *output_prefix,
                    char *output_filename_p, const size_t filename_size);
#endif /* _UNLOADDB_H_ */