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table checksum background:

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my_checksum() mysys function
   NISAM checksum code moved from mysys to isam/ - it's obsolete
   MyISAM checksum code moved to mysys
   table's checksum accessible from sql layer
   SHOW TABLE STATUS shows checksum (WL#646)
code cleanup
This commit is contained in:
serg@serg.mylan
2003-08-05 21:14:15 +02:00
parent 6ac0c55c10
commit 79922d946a
15 changed files with 119 additions and 85 deletions
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20
sql/sql_lex.h
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@ -447,15 +447,21 @@ typedef struct st_lex
SELECT_LEX *all_selects_list;
uchar *ptr,*tok_start,*tok_end,*end_of_query;
char *length,*dec,*change,*name;
char *help_arg;
char *backup_dir; /* For RESTORE/BACKUP */
char* to_log; /* For PURGE MASTER LOGS TO */
time_t purge_time; /* For PURGE MASTER LOGS BEFORE */
char* x509_subject,*x509_issuer,*ssl_cipher;
char* found_colon; /* For multi queries - next query */
enum SSL_type ssl_type; /* defined in violite.h */
String *wild;
sql_exchange *exchange;
select_result *result;
Item *default_value, *comment;
LEX_USER *grant_user;
gptr yacc_yyss,yacc_yyvs;
THD *thd;
CHARSET_INFO *charset;
SQL_LIST *gorder_list;
List<key_part_spec> col_list;
List<key_part_spec> ref_list;
@ -473,11 +479,6 @@ typedef struct st_lex
SQL_LIST proc_list, auxilliary_table_list;
TYPELIB *interval;
create_field *last_field;
Item *default_value, *comment;
uint uint_geom_type;
LEX_USER *grant_user;
gptr yacc_yyss,yacc_yyvs;
THD *thd;
udf_func udf;
HA_CHECK_OPT check_opt; // check/repair options
HA_CREATE_INFO create_info;
@ -486,6 +487,7 @@ typedef struct st_lex
ulong thread_id,type;
enum_sql_command sql_command;
thr_lock_type lock_option;
enum SSL_type ssl_type; /* defined in violite.h */
enum my_lex_states next_state;
enum enum_duplicates duplicates;
enum enum_tx_isolation tx_isolation;
@ -493,17 +495,15 @@ typedef struct st_lex
enum ha_rkey_function ha_rkey_mode;
enum enum_enable_or_disable alter_keys_onoff;
enum enum_var_type option_type;
uint uint_geom_type;
uint grant, grant_tot_col, which_columns;
uint fk_delete_opt, fk_update_opt, fk_match_option;
uint param_count;
uint slave_thd_opt;
bool drop_primary, drop_if_exists, drop_temporary, local_file;
bool in_comment, ignore_space, verbose, simple_alter, no_write_to_binlog;
bool derived_tables, describe;
bool safe_to_cache_query;
uint slave_thd_opt;
CHARSET_INFO *charset;
char *help_arg;
SQL_LIST *gorder_list;
st_lex() {}
inline void uncacheable()
{