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pgcsvstat.c
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pgcsvstat.c
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/*
* pgcsvstat, a PostgreSQL app to gather statistical informations
* from a PostgreSQL database.
*
* This software is released under the PostgreSQL Licence.
*
* Guillaume Lelarge, [email protected], 2011-2024.
*
* pgstats/pgcsvstat.c
*/
/*
* Headers
*/
#include "postgres_fe.h"
#include "common/string.h"
#include <err.h>
#include <sys/stat.h>
#include <unistd.h>
#ifdef HAVE_GETOPT_H
#include <getopt.h>
#endif
extern char *optarg;
#include "postgres_fe.h"
#include "common/username.h"
#include "common/logging.h"
#include "fe_utils/cancel.h"
#include "fe_utils/connect_utils.h"
#include "fe_utils/option_utils.h"
#include "fe_utils/query_utils.h"
#include "fe_utils/simple_list.h"
#include "fe_utils/string_utils.h"
#include "libpq-fe.h"
/*
* Defines
*/
#define PGCSVSTAT_VERSION "1.2.0"
/* these are the opts structures for command line params */
struct options
{
bool quiet;
bool nodb;
char *directory;
char *dbname;
char *hostname;
char *port;
char *username;
int major;
int minor;
};
/* global variables */
struct options *opts;
PGconn *conn;
/* function prototypes */
static void help(const char *progname);
void get_opts(int, char **);
void *myalloc(size_t size);
char *mystrdup(const char *str);
int sql_exec(const char *sql, const char *filename, bool quiet);
void sql_exec_dump_pgstatactivity(void);
void sql_exec_dump_pgstatarchiver(void);
void sql_exec_dump_pgstatbgwriter(void);
void sql_exec_dump_pgstatdatabase(void);
void sql_exec_dump_pgstatdatabaseconflicts(void);
void sql_exec_dump_pgstatreplication(void);
void sql_exec_dump_pgstatreplicationslots(void);
void sql_exec_dump_pgstatslru(void);
void sql_exec_dump_pgstatsubscription(void);
void sql_exec_dump_pgstatwal(void);
void sql_exec_dump_pgstatwalreceiver(void);
void sql_exec_dump_pgstatalltables(void);
void sql_exec_dump_pgstatallindexes(void);
void sql_exec_dump_pgstatioalltables(void);
void sql_exec_dump_pgstatioallindexes(void);
void sql_exec_dump_pgstatioallsequences(void);
void sql_exec_dump_pgstatuserfunctions(void);
void sql_exec_dump_pgclass_size(void);
void sql_exec_dump_pgstatstatements(void);
void sql_exec_dump_xlog_stat(void);
void sql_exec_dump_pgstatprogressanalyze(void);
void sql_exec_dump_pgstatprogressbasebackup(void);
void sql_exec_dump_pgstatprogresscluster(void);
void sql_exec_dump_pgstatprogresscopy(void);
void sql_exec_dump_pgstatprogresscreateindex(void);
void sql_exec_dump_pgstatprogressvacuum(void);
void fetch_version(void);
bool check_superuser(void);
bool backend_minimum_version(int major, int minor);
bool backend_has_pgstatstatements(void);
/* function to parse command line options and check for some usage errors. */
void
get_opts(int argc, char **argv)
{
int c;
const char *progname;
progname = get_progname(argv[0]);
/* set the defaults */
opts->quiet = false;
opts->nodb = false;
opts->directory = NULL;
opts->dbname = NULL;
opts->hostname = NULL;
opts->port = NULL;
opts->username = NULL;
if (argc > 1)
{
if (strcmp(argv[1], "--help") == 0 || strcmp(argv[1], "-?") == 0)
{
help(progname);
exit(0);
}
if (strcmp(argv[1], "--version") == 0 || strcmp(argv[1], "-V") == 0)
{
puts("pgcsvstats " PGCSVSTAT_VERSION " (compiled with PostgreSQL " PG_VERSION ")");
exit(0);
}
}
/* get opts */
while ((c = getopt(argc, argv, "h:p:U:d:D:q")) != -1)
{
switch (c)
{
/* specify the database */
case 'd':
opts->dbname = mystrdup(optarg);
break;
/* specify the directory */
case 'D':
opts->directory = mystrdup(optarg);
break;
/* don't show headers */
case 'q':
opts->quiet = true;
break;
/* host to connect to */
case 'h':
opts->hostname = mystrdup(optarg);
break;
/* port to connect to on remote host */
case 'p':
opts->port = mystrdup(optarg);
break;
/* username */
case 'U':
opts->username = mystrdup(optarg);
break;
default:
pg_log_error("Try \"%s --help\" for more information.\n", progname);
exit(EXIT_FAILURE);
}
}
}
static void
help(const char *progname)
{
printf("%s gathers statistics from a PostgreSQL database.\n\n"
"Usage:\n"
" %s [OPTIONS]...\n"
"\nGeneral options:\n"
" -d DBNAME database to connect to\n"
" -D DIRECTORY directory for stats files (defaults to current)\n"
" -q quiet\n"
" --help show this help, then exit\n"
" --version output version information, then exit\n"
"\nConnection options:\n"
" -h HOSTNAME database server host or socket directory\n"
" -p PORT database server port number\n"
" -U USER connect as specified database user\n"
"\nThe default action is to create CSV files for each report.\n\n"
"Report bugs to <[email protected]>.\n",
progname, progname);
}
void *
myalloc(size_t size)
{
void *ptr = malloc(size);
if (!ptr)
{
pg_log_error("out of memory (myalloc)");
exit(EXIT_FAILURE);
}
return ptr;
}
char *
mystrdup(const char *str)
{
char *result = strdup(str);
if (!result)
{
pg_log_error("out of memory (mystrdup)");
exit(EXIT_FAILURE);
}
return result;
}
/*
* Actual code to make call to the database and print the output data.
*/
int
sql_exec(const char *query, const char* filename, bool quiet)
{
PGresult *res;
FILE *fdcsv;
struct stat st;
int nfields;
int nrows;
int i, j;
int size;
/* open the csv file */
fdcsv = fopen(filename, "a");
if (!fdcsv)
{
pg_log_error("Cannot open file %s, errno %d\n", filename, errno);
PQfinish(conn);
exit(EXIT_FAILURE);
}
/* get size of file */
stat(filename, &st);
size = st.st_size;
/* make the call */
res = PQexec(conn, query);
/* check and deal with errors */
if (!res || PQresultStatus(res) > 2)
{
pg_log_error("query failed: %s\n", PQerrorMessage(conn));
pg_log_info("query was: %s\n", query);
PQclear(res);
PQfinish(conn);
exit(-1);
}
/* get the number of fields */
nrows = PQntuples(res);
nfields = PQnfields(res);
/* print a header */
if (!quiet && size == 0)
{
for (j = 0; j < nfields; j++)
{
fprintf(fdcsv, "%s", PQfname(res, j));
if (j < nfields - 1)
fprintf(fdcsv, ";");
}
fprintf(fdcsv, "\n");
}
/* for each row, dump the information */
for (i = 0; i < nrows; i++)
{
for (j = 0; j < nfields; j++)
{
fprintf(fdcsv, "%s", PQgetvalue(res, i, j));
if (j < nfields - 1)
fprintf(fdcsv, ";");
}
fprintf(fdcsv, "\n");
}
/* cleanup */
PQclear(res);
/* close the csv file */
fclose(fdcsv);
return 0;
}
/*
* Dump all activities.
*/
void
sql_exec_dump_pgstatactivity()
{
char query[1024];
char filename[1024];
/* get the oid and database name from the system pg_database table */
snprintf(query, sizeof(query),
"SELECT date_trunc('seconds', now()), datid, datname, %s, %s"
"usesysid, usename, %s%s%s%s%s"
"date_trunc('seconds', query_start) AS query_start, "
"%s%s%s%s%s%s%s state "
"FROM pg_stat_activity "
"ORDER BY %s",
backend_minimum_version(9, 2) ? "pid" : "procpid",
backend_minimum_version(13, 0) ? "leader_pid, " : "",
backend_minimum_version(9, 0) ? "application_name, " : "",
backend_minimum_version(8, 1) ? "client_addr, " : "",
backend_minimum_version(9, 1) ? "client_hostname, " : "",
backend_minimum_version(8, 1) ? "client_port, date_trunc('seconds', backend_start) AS backend_start, " : "",
backend_minimum_version(8, 3) ? "date_trunc('seconds', xact_start) AS xact_start, " : "",
backend_minimum_version(9, 2) ? "state_change, " : "",
backend_minimum_version(9, 6) ? "wait_event_type, wait_event, " : backend_minimum_version(8, 2) ? "waiting, " : "",
backend_minimum_version(9, 4) ? "backend_xid, " : "",
backend_minimum_version(9, 4) ? "backend_xmin, " : "",
backend_minimum_version(14, 0) ? "query_id, " : "",
backend_minimum_version(9, 2) ? "query, " : "current_query,",
backend_minimum_version(10, 0) ? "backend_type, " : "",
backend_minimum_version(9, 2) ? "pid" : "procpid"); // the last one is for the ORDER BY
snprintf(filename, sizeof(filename),
"%s/pg_stat_activity.csv", opts->directory);
sql_exec(query, filename, opts->quiet);
}
/*
* Dump all bgwriter stats.
*/
void
sql_exec_dump_pgstatbgwriter()
{
char query[1024];
char filename[1024];
/* get the oid and database name from the system pg_database table */
snprintf(query, sizeof(query),
"SELECT date_trunc('seconds', now()), checkpoints_timed, "
"checkpoints_req, %sbuffers_checkpoint, buffers_clean, "
"maxwritten_clean, buffers_backend, %sbuffers_alloc%s "
"FROM pg_stat_bgwriter ",
backend_minimum_version(9, 2) ? "checkpoint_write_time, checkpoint_sync_time, " : "",
backend_minimum_version(9, 1) ? "buffers_backend_fsync, " : "",
backend_minimum_version(9, 1) ? ", date_trunc('seconds', stats_reset) AS stats_reset " : "");
snprintf(filename, sizeof(filename),
"%s/pg_stat_bgwriter.csv", opts->directory);
sql_exec(query, filename, opts->quiet);
}
/*
* Dump all archiver stats.
*/
void
sql_exec_dump_pgstatarchiver()
{
char query[1024];
char filename[1024];
/* get the oid and database name from the system pg_database table */
snprintf(query, sizeof(query),
"SELECT date_trunc('seconds', now()), archived_count, "
"last_archived_wal, date_trunc('seconds', last_archived_time) AS last_archived_time, "
"failed_count, "
"last_failed_wal, date_trunc('seconds', last_failed_time) AS last_failed_time, "
"date_trunc('seconds', stats_reset) AS stats_reset "
"FROM pg_stat_archiver ");
snprintf(filename, sizeof(filename),
"%s/pg_stat_archiver.csv", opts->directory);
sql_exec(query, filename, opts->quiet);
}
/*
* Dump all databases stats.
* to be fixed wrt v14
*/
void
sql_exec_dump_pgstatdatabase()
{
char query[1024];
char filename[1024];
/* get the oid and database name from the system pg_database table */
snprintf(query, sizeof(query),
"SELECT date_trunc('seconds', now()), datid, datname, "
"numbackends, xact_commit, xact_rollback, blks_read, blks_hit"
"%s%s%s%s%s "
"FROM pg_stat_database "
"ORDER BY datname",
backend_minimum_version(8, 3) ? ", tup_returned, tup_fetched, tup_inserted, tup_updated, tup_deleted" : "",
backend_minimum_version(9, 1) ? ", conflicts, date_trunc('seconds', stats_reset) AS stats_reset" : "",
backend_minimum_version(9, 2) ? ", temp_files, temp_bytes, deadlocks, blk_read_time, blk_write_time" : "",
backend_minimum_version(12, 0) ? ", checksum_failures, checksum_last_failure" : "",
backend_minimum_version(14, 0) ? ", session_time, active_time, idle_in_transaction_time, sessions, sessions_abandoned, sessions_fatal, sessions_killed" : "");
snprintf(filename, sizeof(filename),
"%s/pg_stat_database.csv", opts->directory);
sql_exec(query, filename, opts->quiet);
}
/*
* Dump all databases conflicts stats.
*/
void
sql_exec_dump_pgstatdatabaseconflicts()
{
char query[1024];
char filename[1024];
/* get the oid and database name from the system pg_database table */
snprintf(query, sizeof(query),
"SELECT date_trunc('seconds', now()), * "
"FROM pg_stat_database_conflicts "
"ORDER BY datname");
snprintf(filename, sizeof(filename),
"%s/pg_stat_database_conflicts.csv", opts->directory);
sql_exec(query, filename, opts->quiet);
}
/*
* Dump all replication stats.
*/
void
sql_exec_dump_pgstatreplication()
{
char query[1024];
char filename[1024];
/* get the oid and database name from the system pg_database table */
snprintf(query, sizeof(query),
"SELECT date_trunc('seconds', now()), %s, usesysid, usename, "
"application_name, client_addr, client_hostname, client_port, "
"date_trunc('seconds', backend_start) AS backend_start, %sstate, "
"%s AS master_location, %s%s"
"sync_priority, "
"sync_state%s "
"FROM pg_stat_replication "
"ORDER BY application_name",
backend_minimum_version(9, 2) ? "pid" : "procpid",
backend_minimum_version(9, 4) ? "backend_xmin, " : "",
backend_minimum_version(10, 0) ? "pg_current_wal_lsn()" : "pg_current_xlog_location()",
backend_minimum_version(10, 0) ? "sent_lsn, write_lsn, flush_lsn, replay_lsn, " :
"sent_location, write_location, flush_location, replay_location, ",
backend_minimum_version(10, 0) ? "write_lag, flush_lag, replay_lag, " : "",
backend_minimum_version(12, 0) ? ", reply_time" : "");
snprintf(filename, sizeof(filename),
"%s/pg_stat_replication.csv", opts->directory);
sql_exec(query, filename, opts->quiet);
}
/*
* Dump all replication slots stats.
*/
void
sql_exec_dump_pgstatreplicationslots()
{
char query[1024];
char filename[1024];
/* get the oid and database name from the system pg_database table */
snprintf(query, sizeof(query),
"SELECT date_trunc('seconds', now()), slot_name, "
"spill_txns, spill_count, spill_bytes, "
"stream_txns, stream_count, stream_bytes, "
"total_txns, total_bytes, "
"date_trunc('seconds', stats_reset) AS stats_reset "
"FROM pg_stat_replication_slots "
"ORDER BY slot_name");
snprintf(filename, sizeof(filename),
"%s/pg_stat_replication_slots.csv", opts->directory);
sql_exec(query, filename, opts->quiet);
}
/*
* Dump all SLRU stats.
*/
void
sql_exec_dump_pgstatslru()
{
char query[1024];
char filename[1024];
/* get the oid and database name from the system pg_database table */
snprintf(query, sizeof(query),
"SELECT date_trunc('seconds', now()), name, "
"blks_zeroed, blks_hit, blks_read, blks_written, blks_exists, "
"flushes, truncates, "
"date_trunc('seconds', stats_reset) AS stats_reset "
"FROM pg_stat_slru "
"ORDER BY name");
snprintf(filename, sizeof(filename),
"%s/pg_stat_slru.csv", opts->directory);
sql_exec(query, filename, opts->quiet);
}
/*
* Dump all subscriptions stats.
*/
void
sql_exec_dump_pgstatsubscription()
{
char query[1024];
char filename[1024];
/* get the oid and database name from the system pg_database table */
snprintf(query, sizeof(query),
"SELECT date_trunc('seconds', now()), subid, subname, "
"pid, relid, received_lsn, "
"date_trunc('seconds', last_msg_send_time) AS last_msg_send_time, "
"date_trunc('seconds', last_msg_receipt_time) AS last_msg_receipt_time, "
"latest_end_lsn, date_trunc('seconds', latest_end_time) AS latest_end_time "
"FROM pg_stat_subscription "
"ORDER BY subid");
snprintf(filename, sizeof(filename),
"%s/pg_stat_subscription.csv", opts->directory);
sql_exec(query, filename, opts->quiet);
}
/*
* Dump all WAL stats.
*/
void
sql_exec_dump_pgstatwal()
{
char query[1024];
char filename[1024];
/* get the oid and database name from the system pg_database table */
snprintf(query, sizeof(query),
"SELECT date_trunc('seconds', now()), "
"wal_records, wal_fpi, wal_bytes, wal_buffers_full, wal_write, "
"wal_sync, wal_write_time, wal_sync_time, "
"date_trunc('seconds', stats_reset) AS stats_reset "
"FROM pg_stat_wal");
snprintf(filename, sizeof(filename),
"%s/pg_stat_wal.csv", opts->directory);
sql_exec(query, filename, opts->quiet);
}
/*
* Dump all wal receiver stats.
*/
void
sql_exec_dump_pgstatwalreceiver()
{
char query[1024];
char filename[1024];
/* get the stats */
snprintf(query, sizeof(query),
"SELECT pid, status, receive_start_lsn, receive_start_tli, "
"written_lsn, flushed_lsn, received_tli, "
"date_trunc('seconds', last_msg_send_time) last_msg_send_time, "
"date_trunc('seconds', last_msg_receipt_time) last_msg_receipt_time, "
"latest_end_lsn, date_trunc('seconds', latest_end_time) latest_end_time, "
"slot_name, sender_host, sender_port, conninfo "
"from pg_stat_wal_receiver");
snprintf(filename, sizeof(filename),
"%s/pg_stat_wal_receiver.csv", opts->directory);
sql_exec(query, filename, opts->quiet);
}
/*
* Dump all tables stats.
*/
void
sql_exec_dump_pgstatalltables()
{
char query[1024];
char filename[1024];
/* get the oid and database name from the system pg_database table */
snprintf(query, sizeof(query),
"SELECT date_trunc('seconds', now()), relid, schemaname, relname, "
"seq_scan, seq_tup_read, idx_scan, idx_tup_fetch, n_tup_ins, "
"n_tup_upd, n_tup_del"
"%s"
"%s"
"%s"
"%s"
"%s"
" FROM pg_stat_all_tables "
"WHERE schemaname <> 'information_schema' "
"ORDER BY schemaname, relname",
backend_minimum_version(8, 3) ? ", n_tup_hot_upd, n_live_tup, n_dead_tup" : "",
backend_minimum_version(9, 4) ? ", n_mod_since_analyze" : "",
backend_minimum_version(13, 0) ? ", n_ins_since_vacuum" : "",
backend_minimum_version(8, 2) ? ", date_trunc('seconds', last_vacuum) AS last_vacuum, date_trunc('seconds', last_autovacuum) AS last_autovacuum, date_trunc('seconds',last_analyze) AS last_analyze, date_trunc('seconds',last_autoanalyze) AS last_autoanalyze" : "",
backend_minimum_version(9, 1) ? ", vacuum_count, autovacuum_count, analyze_count, autoanalyze_count" : "");
snprintf(filename, sizeof(filename),
"%s/pg_stat_all_tables.csv", opts->directory);
sql_exec(query, filename, opts->quiet);
}
/*
* Dump all indexes stats.
*/
void
sql_exec_dump_pgstatallindexes()
{
char query[1024];
char filename[1024];
/* get the oid and database name from the system pg_database table */
snprintf(query, sizeof(query),
"SELECT date_trunc('seconds', now()), * "
"FROM pg_stat_all_indexes "
"WHERE schemaname <> 'information_schema' "
"ORDER BY schemaname, relname");
snprintf(filename, sizeof(filename),
"%s/pg_stat_all_indexes.csv", opts->directory);
sql_exec(query, filename, opts->quiet);
}
/*
* Dump all tables IO stats.
*/
void
sql_exec_dump_pgstatioalltables()
{
char query[1024];
char filename[1024];
/* get the oid and database name from the system pg_database table */
snprintf(query, sizeof(query),
"SELECT date_trunc('seconds', now()), * "
"FROM pg_statio_all_tables "
"WHERE schemaname <> 'information_schema' "
"ORDER BY schemaname, relname");
snprintf(filename, sizeof(filename),
"%s/pg_statio_all_tables.csv", opts->directory);
sql_exec(query, filename, opts->quiet);
}
/*
* Dump all indexes IO stats.
*/
void
sql_exec_dump_pgstatioallindexes()
{
char query[1024];
char filename[1024];
/* get the oid and database name from the system pg_database table */
snprintf(query, sizeof(query),
"SELECT date_trunc('seconds', now()), * "
"FROM pg_statio_all_indexes "
"WHERE schemaname <> 'information_schema' "
"ORDER BY schemaname, relname");
snprintf(filename, sizeof(filename),
"%s/pg_statio_all_indexes.csv", opts->directory);
sql_exec(query, filename, opts->quiet);
}
/*
* Dump all sequences IO stats.
*/
void
sql_exec_dump_pgstatioallsequences()
{
char query[1024];
char filename[1024];
/* get the oid and database name from the system pg_database table */
snprintf(query, sizeof(query),
"SELECT date_trunc('seconds', now()), * "
"FROM pg_statio_all_sequences "
"WHERE schemaname <> 'information_schema' "
"ORDER BY schemaname, relname");
snprintf(filename, sizeof(filename),
"%s/pg_statio_all_sequences.csv", opts->directory);
sql_exec(query, filename, opts->quiet);
}
/*
* Dump all functions stats.
*/
void
sql_exec_dump_pgstatuserfunctions()
{
char query[1024];
char filename[1024];
/* get the oid and database name from the system pg_database table */
snprintf(query, sizeof(query),
"SELECT date_trunc('seconds', now()), * "
"FROM pg_stat_user_functions "
"WHERE schemaname <> 'information_schema' "
"ORDER BY schemaname, funcname");
snprintf(filename, sizeof(filename),
"%s/pg_stat_user_functions.csv", opts->directory);
sql_exec(query, filename, opts->quiet);
}
/*
* Dump all size class stats.
*/
void
sql_exec_dump_pgclass_size()
{
char query[1024];
char filename[1024];
/* get the oid and database name from the system pg_database table */
snprintf(query, sizeof(query),
"SELECT date_trunc('seconds', now()), n.nspname, c.relname, c.relkind, "
"c.reltuples, c.relpages%s "
"FROM pg_class c, pg_namespace n "
"WHERE n.oid=c.relnamespace AND n.nspname <> 'information_schema' "
"ORDER BY n.nspname, c.relname",
backend_minimum_version(8, 1) ? ", pg_relation_size(c.oid)" : "");
snprintf(filename, sizeof(filename),
"%s/pg_class_size.csv", opts->directory);
sql_exec(query, filename, opts->quiet);
}
/*
* Dump all statements stats.
* to be fixed wrt v14
*/
void
sql_exec_dump_pgstatstatements()
{
char query[1024];
char filename[1024];
/* get the oid and database name from the system pg_database table */
snprintf(query, sizeof(query),
"SELECT date_trunc('seconds', now()), r.rolname, d.datname, "
"%sregexp_replace(query, E'\n', ' ', 'g') as query, %scalls, %s, rows, "
"shared_blks_hit, shared_blks_read, shared_blks_written, "
"local_blks_hit, local_blks_read, local_blks_written, "
"temp_blks_read, temp_blks_written%s "
"FROM pg_stat_statements q, pg_database d, pg_roles r "
"WHERE q.userid=r.oid and q.dbid=d.oid "
"ORDER BY r.rolname, d.datname",
backend_minimum_version(14, 0) ? "toplevel, queryid, " : "",
backend_minimum_version(13, 0) ? "plans, total_plan_time, min_plan_time, max_plan_time, mean_plan_time, stddev_plan_time, " : "",
backend_minimum_version(13, 0) ? "total_exec_time, min_exec_time, max_exec_time, mean_exec_time, stddev_exec_time" : "total_time",
backend_minimum_version(14, 0) ? ", wal_records, wal_fpi, wal_bytes" : "");
snprintf(filename, sizeof(filename),
"%s/pg_stat_statements.csv", opts->directory);
sql_exec(query, filename, opts->quiet);
}
/*
* Dump all xlog stats.
*/
void
sql_exec_dump_xlog_stat()
{
char query[1024];
char filename[1024];
/* get the oid and database name from the system pg_database table */
snprintf(query, sizeof(query),
backend_minimum_version(10, 0)
?
"SELECT date_trunc('seconds', now()), pg_walfile_name(pg_current_wal_lsn())=pg_ls_dir AS current, pg_ls_dir AS filename, "
"(SELECT modification FROM pg_stat_file('pg_wal/'||pg_ls_dir)) AS modification_timestamp "
"FROM pg_ls_dir('pg_wal') "
"WHERE pg_ls_dir ~ E'^[0-9A-F]{24}' "
"ORDER BY pg_ls_dir"
:
"SELECT date_trunc('seconds', now()), pg_xlogfile_name(pg_current_xlog_location())=pg_ls_dir AS current, pg_ls_dir AS filename, "
"(SELECT modification FROM pg_stat_file('pg_xlog/'||pg_ls_dir)) AS modification_timestamp "
"FROM pg_ls_dir('pg_xlog') "
"WHERE pg_ls_dir ~ E'^[0-9A-F]{24}' "
"ORDER BY pg_ls_dir");
snprintf(filename, sizeof(filename),
"%s/pg_xlog_stat.csv", opts->directory);
sql_exec(query, filename, opts->quiet);
}
/*
* Dump ANALYZE progress
*/
void
sql_exec_dump_pgstatprogressanalyze()
{
char query[1024];
char filename[1024];
/* get the oid and database name from the system pg_database table */
snprintf(query, sizeof(query),
"SELECT date_trunc('seconds', now()), pid, datid, datname, "
"relid, relid::regclass relname, phase, sample_blks_total, "
"sample_blks_scanned, ext_stats_total, ext_stats_computed, "
"child_tables_total, child_tables_done, current_child_table_relid, "
"current_child_table_relid::regclass current_child_table_relname "
"FROM pg_stat_progress_analyze "
"ORDER BY pid");
snprintf(filename, sizeof(filename),
"%s/pg_stat_progress_analyze.csv", opts->directory);
sql_exec(query, filename, opts->quiet);
}
/*
* Dump BASE BACKUP progress
*/
void
sql_exec_dump_pgstatprogressbasebackup()
{
char query[1024];
char filename[1024];
/* get the oid and database name from the system pg_database table */
snprintf(query, sizeof(query),
"SELECT date_trunc('seconds', now()), pid, phase, "
"backup_total, backup_streamed, "
"tablespaces_total, tablespaces_streamed "
"FROM pg_stat_progress_basebackup "
"ORDER BY pid");
snprintf(filename, sizeof(filename),
"%s/pg_stat_progress_basebackup.csv", opts->directory);
sql_exec(query, filename, opts->quiet);
}
/*
* Dump CLUSTER progress
*/
void
sql_exec_dump_pgstatprogresscluster()
{
char query[1024];
char filename[1024];
/* get the oid and database name from the system pg_database table */
snprintf(query, sizeof(query),
"SELECT date_trunc('seconds', now()), pid, datid, datname, "
"relid, relid::regclass relname, command, phase, "
"cluster_index_relid, cluster_index_relid::regclass cluster_index_relname, "
"heap_tuples_scanned, heap_tuples_written, heap_blks_total, "
"heap_blks_scanned, index_rebuild_count "
"FROM pg_stat_progress_cluster "
"ORDER BY pid");
snprintf(filename, sizeof(filename),
"%s/pg_stat_progress_cluster.csv", opts->directory);
sql_exec(query, filename, opts->quiet);
}
/*
* Dump COPY progress
*/
void
sql_exec_dump_pgstatprogresscopy()
{
char query[1024];
char filename[1024];
/* get the oid and database name from the system pg_database table */
snprintf(query, sizeof(query),
"SELECT date_trunc('seconds', now()), pid, datid, datname, "
"relid, relid::regclass relname, command, type, "
"bytes_processed, bytes_total, "
"tuples_processed, tuples_excluded "
"FROM pg_stat_progress_copy "
"ORDER BY pid");
snprintf(filename, sizeof(filename),
"%s/pg_stat_progress_copy.csv", opts->directory);
sql_exec(query, filename, opts->quiet);
}
/*
* Dump CREATE INDEX progress
*/
void
sql_exec_dump_pgstatprogresscreateindex()
{
char query[1024];
char filename[1024];
/* get the oid and database name from the system pg_database table */
snprintf(query, sizeof(query),
"SELECT date_trunc('seconds', now()), pid, datid, datname, "
"relid, relid::regclass relname, index_relid, index_relid::regclass index_relname, "
"command, phase, lockers_total, lockers_done, current_locker_pid, "
"blocks_total, blocks_done, tuples_total, tuples_done, "
"partitions_total, partitions_done "
"FROM pg_stat_progress_create_index "
"ORDER BY pid");
snprintf(filename, sizeof(filename),
"%s/pg_stat_progress_create_index.csv", opts->directory);
sql_exec(query, filename, opts->quiet);
}
/*
* Dump VACUUM progress
*/
void
sql_exec_dump_pgstatprogressvacuum()
{
char query[1024];
char filename[1024];
/* get the oid and database name from the system pg_database table */
snprintf(query, sizeof(query),
"SELECT date_trunc('seconds', now()), pid, datid, datname, "
"relid, relid::regclass relname, phase, "
"heap_blks_total, heap_blks_scanned, heap_blks_vacuumed, "
"index_vacuum_count, max_dead_tuples, num_dead_tuples "
"FROM pg_stat_progress_vacuum "
"ORDER BY pid");
snprintf(filename, sizeof(filename),
"%s/pg_stat_progress_vacuum.csv", opts->directory);
sql_exec(query, filename, opts->quiet);
}
/*
* Fetch PostgreSQL major and minor numbers
*/
void
fetch_version()
{
char query[1024];
PGresult *res;
/* get the oid and database name from the system pg_database table */
snprintf(query, sizeof(query), "SELECT version()");
/* make the call */
res = PQexec(conn, query);
/* check and deal with errors */
if (!res || PQresultStatus(res) > 2)
{
pg_log_error("query failed: %s\n", PQerrorMessage(conn));
pg_log_info("query was: %s\n", query);
PQclear(res);
PQfinish(conn);
exit(-1);
}
/* get the only row, and parse it to get major and minor numbers */
sscanf(PQgetvalue(res, 0, 0), "%*s %d.%d", &(opts->major), &(opts->minor));
/* print version */
if (!opts->quiet)
printf("Detected release: %d.%d\n", opts->major, opts->minor);
/* cleanup */
PQclear(res);
}
/*
* Check if user has the superuser attribute
*/
bool
check_superuser()
{
PGresult *res;
char sql[1024];
bool is_superuser = false;
/* get the oid and database name from the system pg_database table */
snprintf(sql, sizeof(sql),
"SELECT rolsuper FROM pg_roles WHERE rolname=current_user ");
/* make the call */