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* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
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* Copyright (C) 2008 Sun Microsystems
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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* Various server-wide declarations and variables.
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#ifndef DRIZZLED_SERVER_INCLUDES_H
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#define DRIZZLED_SERVER_INCLUDES_H
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/* Cross-platform portability code and standard includes */
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#include <drizzled/global.h>
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/* Contains system-wide constants and #defines */
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#include <drizzled/definitions.h>
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/* Lots of system-wide struct definitions like IO_CACHE,
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prototypes for all my_* functions */
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#include <mysys/my_sys.h>
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/* Custom C string functions */
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#include <mystrings/m_string.h>
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/* Range optimization API/library */
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#include <drizzled/opt_range.h>
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/* Routines for dropping, repairing, checking schema tables */
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#include <drizzled/sql_table.h>
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/* Routines for printing error messages */
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#include <drizzled/errmsg_print.h>
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typedef struct st_ha_create_information HA_CREATE_INFO;
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/* information schema */
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static const std::string INFORMATION_SCHEMA_NAME("information_schema");
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void refresh_status(Session *session);
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void unlink_session(Session *session);
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extern bool check_reserved_words(LEX_STRING *name);
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extern enum_field_types agg_field_type(Item **items, uint32_t nitems);
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uint64_t find_set(TYPELIB *lib, const char *x, uint32_t length, const CHARSET_INFO * const cs,
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char **err_pos, uint32_t *err_len, bool *set_warning);
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uint32_t find_type(const TYPELIB *lib, const char *find, uint32_t length,
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uint32_t find_type2(const TYPELIB *lib, const char *find, uint32_t length,
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const CHARSET_INFO *cs);
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extern const CHARSET_INFO *system_charset_info;
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extern const CHARSET_INFO *files_charset_info;
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extern const CHARSET_INFO *table_alias_charset;
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extern char *drizzle_tmpdir;
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extern const LEX_STRING command_name[];
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extern const char *first_keyword;
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extern const char *binary_keyword;
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extern const char *in_left_expr_name;
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extern const char *in_additional_cond;
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extern const char *in_having_cond;
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extern char language[FN_REFLEN];
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extern char glob_hostname[FN_REFLEN];
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extern char drizzle_home[FN_REFLEN];
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extern char pidfile_name[FN_REFLEN];
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extern char system_time_zone[30];
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extern char *opt_tc_log_file;
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extern const double log_10[309];
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extern uint64_t log_10_int[20];
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extern uint64_t session_startup_options;
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extern uint32_t global_thread_id;
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extern uint64_t aborted_threads;
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extern uint64_t aborted_connects;
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extern uint64_t table_cache_size;
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extern uint64_t table_def_size;
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extern uint64_t max_connect_errors;
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extern uint32_t back_log;
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extern pid_t current_pid;
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extern std::bitset<12> test_flags;
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extern uint32_t ha_open_options;
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extern uint32_t drizzled_tcp_port;
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extern char *drizzled_bind_host;
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extern uint32_t drizzled_bind_timeout;
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extern uint32_t dropping_tables;
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extern bool opt_endinfo;
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extern bool locked_in_memory;
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extern bool volatile abort_loop;
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extern bool volatile shutdown_in_progress;
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extern uint32_t volatile thread_running;
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extern uint32_t volatile global_read_lock;
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extern bool opt_readonly;
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extern char* opt_secure_file_priv;
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extern char *default_tz_name;
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extern FILE *stderror_file;
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extern pthread_mutex_t LOCK_create_db;
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extern pthread_mutex_t LOCK_open;
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extern pthread_mutex_t LOCK_thread_count;
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extern pthread_mutex_t LOCK_status;
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extern pthread_mutex_t LOCK_global_read_lock;
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extern pthread_mutex_t LOCK_global_system_variables;
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extern pthread_rwlock_t LOCK_system_variables_hash;
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extern pthread_cond_t COND_refresh;
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extern pthread_cond_t COND_thread_count;
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extern pthread_cond_t COND_global_read_lock;
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extern pthread_attr_t connection_attrib;
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extern std::vector<Session *> session_list;
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extern String my_empty_string;
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extern const String my_null_string;
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extern struct system_variables max_system_variables;
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extern struct system_status_var global_status_var;
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extern Table *unused_tables;
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extern const char* any_db;
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extern struct my_option my_long_options[];
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extern std::bitset<5> sql_command_flags[];
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extern drizzled::plugin::StorageEngine *myisam_engine;
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extern drizzled::plugin::StorageEngine *heap_engine;
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extern SHOW_COMP_OPTION have_symlink;
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extern pthread_t signal_thread;
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TableShare *alloc_table_share(TableList *table_list, char *key,
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uint32_t key_length);
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int open_table_def(Session& session, TableShare *share);
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void open_table_error(TableShare *share, int error, int db_errno, int errarg);
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int open_table_from_share(Session *session, TableShare *share, const char *alias,
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uint32_t db_stat, uint32_t prgflag, uint32_t ha_open_flags,
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Table *outparam, open_table_mode open_mode);
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void free_blobs(Table *table);
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int set_zone(int nr,int min_zone,int max_zone);
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uint32_t convert_period_to_month(uint32_t period);
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uint32_t convert_month_to_period(uint32_t month);
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void get_date_from_daynr(long daynr,uint32_t *year, uint32_t *month,
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bool str_to_time_with_warn(const char *str,uint32_t length,DRIZZLE_TIME *l_time);
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enum enum_drizzle_timestamp_type str_to_datetime_with_warn(const char *str, uint32_t length,
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DRIZZLE_TIME *l_time, uint32_t flags);
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void localtime_to_TIME(DRIZZLE_TIME *to, struct tm *from);
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void make_truncated_value_warning(Session *session, DRIZZLE_ERROR::enum_warning_level level,
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uint32_t str_length, enum enum_drizzle_timestamp_type time_type,
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const char *field_name);
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bool calc_time_diff(DRIZZLE_TIME *l_time1, DRIZZLE_TIME *l_time2, int l_sign,
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int64_t *seconds_out, long *microseconds_out);
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void make_datetime(const DRIZZLE_TIME *l_time, String *str);
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void make_date(const DRIZZLE_TIME *l_time, String *str);
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uint64_t get_datetime_value(Session *session, Item ***item_arg, Item **cache_arg,
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Item *warn_item, bool *is_null);
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int test_if_number(char *str,int *res,bool allow_wildcards);
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void change_byte(unsigned char *,uint,char,char);
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void init_read_record(READ_RECORD *info, Session *session, Table *reg_form,
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int use_record_cache, bool print_errors);
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void init_read_record_idx(READ_RECORD *info, Session *session, Table *table,
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bool print_error, uint32_t idx);
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void end_read_record(READ_RECORD *info);
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ha_rows filesort(Session *session, Table *form,struct st_sort_field *sortorder,
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uint32_t s_length, SQL_SELECT *select,
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ha_rows max_rows, bool sort_positions,
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ha_rows *examined_rows);
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void filesort_free_buffers(Table *table, bool full);
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void change_double_for_sort(double nr,unsigned char *to);
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double my_double_round(double value, int64_t dec, bool dec_unsigned,
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int get_quick_record(SQL_SELECT *select);
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int calc_weekday(long daynr,bool sunday_first_day_of_week);
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uint32_t calc_week(DRIZZLE_TIME *l_time, uint32_t week_behaviour, uint32_t *year);
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void find_date(char *pos,uint32_t *vek,uint32_t flag);
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TYPELIB *convert_strings_to_array_type(char * *typelibs, char * *end);
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TYPELIB *typelib(MEM_ROOT *mem_root, List<String> &strings);
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ulong get_form_pos(File file, unsigned char *head, TYPELIB *save_names);
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ulong next_io_size(ulong pos);
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void append_unescaped(String *res, const char *pos, uint32_t length);
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int rename_file_ext(const char * from,const char * to,const char * ext);
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bool check_db_name(LEX_STRING *db);
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bool check_column_name(const char *name);
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bool check_table_name(const char *name, uint32_t length);
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/* Conversion functions */
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size_t build_table_filename(char *buff, size_t bufflen, const char *db,
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const char *table_name, bool is_tmp);
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/* Flags for conversion functions. */
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#define FN_FROM_IS_TMP (1 << 0)
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#define FN_TO_IS_TMP (1 << 1)
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#define FN_IS_TMP (FN_FROM_IS_TMP | FN_TO_IS_TMP)
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#define NO_FRM_RENAME (1 << 2)
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inline uint32_t sql_rnd()
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return (uint32_t) (rand() * 0xffffffff); /* make all bits random */
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convert a hex digit into number.
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inline int hexchar_to_int(char c)
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if (c <= '9' && c >= '0')
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if (c <= 'f' && c >= 'a')
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#endif /* DRIZZLED_SERVER_INCLUDES_H */