/* these two constants are used to tell update_table_stats what operation we just perfomred */
#define VACUUM_ANALYZE 0
#define ANALYZE_ONLY 1
#define TABLE_STATS_QUERY "select a.oid,a.relname,a.relnamespace,a.relpages,a.relisshared,a.reltuples,b.schemaname,b.n_tup_ins,b.n_tup_upd,b.n_tup_del from pg_class a, pg_stat_all_tables b where a.oid=b.relid and a.relkind = 'r'"
#define PAGES_QUERY "select oid,reltuples,relpages from pg_class where oid=%u"
#define FROZENOID_QUERY "select oid,age(datfrozenxid) from pg_database where datname = 'template1'"
#define FROZENOID_QUERY2 "select oid,datname,age(datfrozenxid) from pg_database where datname!='template0'"
/* Log levels */
enum
{
LVL_DEBUG=1,
LVL_INFO,
LVL_WARNING,
LVL_ERROR,
LVL_EXTRA
};
/* define cmd_args stucture */
typedefstructcmdargs
{
intvacuum_base_threshold,
analyze_base_threshold,
update_interval,
sleep_base_value,
debug,
/*
* Cost-Based Vacuum Delay Settings for pg_autovacuum
*/
av_vacuum_cost_delay,
av_vacuum_cost_page_hit,
av_vacuum_cost_page_miss,
av_vacuum_cost_page_dirty,
av_vacuum_cost_limit,
#ifndef WIN32
daemonize;
#else
install_as_service,
remove_as_service;
#endif
floatvacuum_scaling_factor,
analyze_scaling_factor,
sleep_scaling_factor;
char*user,
*password,
#ifdef WIN32
*service_dependencies,
*service_user,
*service_password,
#endif
*host,
*logfile,
*port;
}cmd_args;
/*
* Might need to add a time value for last time the whole database was
* vacuumed. We need to guarantee this happens approx every 1Billion TX's
*/
typedefstructdbinfo
{
Oidoid;
longage;
longanalyze_threshold,
vacuum_threshold;/* Use these as defaults for table
* thresholds */
PGconn*conn;
char*dbname,
*username,
*password;
Dllist*table_list;
}db_info;
typedefstructtableinfo
{
char*schema_name,
*table_name;
floatreltuples;
intrelisshared;
Oidrelid,
relpages;
longanalyze_threshold,
vacuum_threshold;
longCountAtLastAnalyze;/* equal to: inserts + updates as
* of the last analyze or initial
* values at startup */
longCountAtLastVacuum;/* equal to: deletes + updates as
* of the last vacuum or initial
* values at startup */
longcurr_analyze_count,
curr_vacuum_count;/* Latest values from stats system */
db_info*dbi;/* pointer to the database that this table
