pgstat: normalize function naming.
authorAndres Freund <andres@anarazel.de>
Thu, 7 Apr 2022 04:29:46 +0000 (21:29 -0700)
committerAndres Freund <andres@anarazel.de>
Thu, 7 Apr 2022 04:29:46 +0000 (21:29 -0700)
Most of pgstat uses pgstat_<verb>_<subject>() or just <verb>_<subject>(). But
not all (some introduced fairly recently by me). Rename ones that aren't
intentionally following a different scheme (e.g. AtEOXact_*).

src/backend/access/common/relation.c
src/backend/access/transam/slru.c
src/backend/postmaster/pgstat.c
src/backend/utils/activity/pgstat_relation.c
src/backend/utils/activity/pgstat_slru.c
src/backend/utils/activity/pgstat_wal.c
src/backend/utils/activity/pgstat_xact.c
src/backend/utils/adt/pgstatfuncs.c
src/include/pgstat.h
src/include/utils/pgstat_internal.h

index 003663ab811f484815633b307f59427874ad7435..382a42ff7d37908f707058584b8ff223bf27be65 100644 (file)
@@ -73,7 +73,7 @@ relation_open(Oid relationId, LOCKMODE lockmode)
        if (RelationUsesLocalBuffers(r))
                MyXactFlags |= XACT_FLAGS_ACCESSEDTEMPNAMESPACE;
 
-       pgstat_relation_init(r);
+       pgstat_init_relation(r);
 
        return r;
 }
@@ -123,7 +123,7 @@ try_relation_open(Oid relationId, LOCKMODE lockmode)
        if (RelationUsesLocalBuffers(r))
                MyXactFlags |= XACT_FLAGS_ACCESSEDTEMPNAMESPACE;
 
-       pgstat_relation_init(r);
+       pgstat_init_relation(r);
 
        return r;
 }
index d34732cb41f934770a5a5fe5b9a1f61362084363..b65cb49d7ff235c02c3fa683fa22d6e545cf41b9 100644 (file)
@@ -215,7 +215,7 @@ SimpleLruInit(SlruCtl ctl, const char *name, int nslots, int nlsns,
 
                /* shared->latest_page_number will be set later */
 
-               shared->slru_stats_idx = pgstat_slru_index(name);
+               shared->slru_stats_idx = pgstat_get_slru_index(name);
 
                ptr = (char *) shared;
                offset = MAXALIGN(sizeof(SlruSharedData));
index 8655b56c5e2734b961683e05251be5e17803ae83..20c4629e55ca82fbfd5fc3856601bcbc80fd4cec 100644 (file)
@@ -727,7 +727,7 @@ pgstat_initialize(void)
 {
        Assert(!pgstat_is_initialized);
 
-       pgstat_wal_initialize();
+       pgstat_init_wal();
 
        /* Set up a process-exit hook to clean up */
        before_shmem_exit(pgstat_shutdown_hook, 0);
@@ -768,7 +768,7 @@ pgstat_report_stat(bool disconnect)
         */
        if (!have_relation_stats &&
                pgStatXactCommit == 0 && pgStatXactRollback == 0 &&
-               !pgstat_wal_pending() &&
+               !pgstat_have_pending_wal() &&
                !have_function_stats && !disconnect)
                return;
 
index 5b9b6dd7c60f3f95bb6cf834b29ddffa9173c9f8..51a87b66739d06e466eb7b6930cfa76350f19b7b 100644 (file)
@@ -34,7 +34,7 @@
  * for the life of the backend.  Also, we zero out the t_id fields of the
  * contained PgStat_TableStatus structs whenever they are not actively in use.
  * This allows relcache pgstat_info pointers to be treated as long-lived data,
- * avoiding repeated searches in pgstat_relation_init() when a relation is
+ * avoiding repeated searches in pgstat_init_relation() when a relation is
  * repeatedly opened during a transaction.
  */
 #define TABSTAT_QUANTUM                100 /* we alloc this many at a time */
@@ -78,8 +78,8 @@ static PgStat_TableStatus *get_tabstat_entry(Oid rel_id, bool isshared);
 static void pgstat_send_tabstat(PgStat_MsgTabstat *tsmsg, TimestampTz now);
 static void add_tabstat_xact_level(PgStat_TableStatus *pgstat_info, int nest_level);
 static void ensure_tabstat_xact_level(PgStat_TableStatus *pgstat_info);
-static void pgstat_truncdrop_save_counters(PgStat_TableXactStatus *trans, bool is_drop);
-static void pgstat_truncdrop_restore_counters(PgStat_TableXactStatus *trans);
+static void save_truncdrop_counters(PgStat_TableXactStatus *trans, bool is_drop);
+static void restore_truncdrop_counters(PgStat_TableXactStatus *trans);
 
 
 /*
@@ -109,7 +109,7 @@ pgstat_copy_relation_stats(Relation dst, Relation src)
        if (!srcstats)
                return;
 
-       if (pgstat_relation_should_count(dst))
+       if (pgstat_should_count_relation(dst))
        {
                /*
                 * XXX: temporarily this does not actually quite do what the name
@@ -137,7 +137,7 @@ pgstat_copy_relation_stats(Relation dst, Relation src)
  * same relation is touched repeatedly within a transaction.
  */
 void
-pgstat_relation_init(Relation rel)
+pgstat_init_relation(Relation rel)
 {
        Oid                     rel_id = rel->rd_id;
        char            relkind = rel->rd_rel->relkind;
@@ -242,7 +242,7 @@ pgstat_report_analyze(Relation rel,
         *
         * Waste no time on partitioned tables, though.
         */
-       if (pgstat_relation_should_count(rel) &&
+       if (pgstat_should_count_relation(rel) &&
                rel->rd_rel->relkind != RELKIND_PARTITIONED_TABLE)
        {
                PgStat_TableXactStatus *trans;
@@ -276,7 +276,7 @@ pgstat_report_analyze(Relation rel,
 void
 pgstat_count_heap_insert(Relation rel, PgStat_Counter n)
 {
-       if (pgstat_relation_should_count(rel))
+       if (pgstat_should_count_relation(rel))
        {
                PgStat_TableStatus *pgstat_info = rel->pgstat_info;
 
@@ -291,7 +291,7 @@ pgstat_count_heap_insert(Relation rel, PgStat_Counter n)
 void
 pgstat_count_heap_update(Relation rel, bool hot)
 {
-       if (pgstat_relation_should_count(rel))
+       if (pgstat_should_count_relation(rel))
        {
                PgStat_TableStatus *pgstat_info = rel->pgstat_info;
 
@@ -310,7 +310,7 @@ pgstat_count_heap_update(Relation rel, bool hot)
 void
 pgstat_count_heap_delete(Relation rel)
 {
-       if (pgstat_relation_should_count(rel))
+       if (pgstat_should_count_relation(rel))
        {
                PgStat_TableStatus *pgstat_info = rel->pgstat_info;
 
@@ -325,12 +325,12 @@ pgstat_count_heap_delete(Relation rel)
 void
 pgstat_count_truncate(Relation rel)
 {
-       if (pgstat_relation_should_count(rel))
+       if (pgstat_should_count_relation(rel))
        {
                PgStat_TableStatus *pgstat_info = rel->pgstat_info;
 
                ensure_tabstat_xact_level(pgstat_info);
-               pgstat_truncdrop_save_counters(pgstat_info->trans, false);
+               save_truncdrop_counters(pgstat_info->trans, false);
                pgstat_info->trans->tuples_inserted = 0;
                pgstat_info->trans->tuples_updated = 0;
                pgstat_info->trans->tuples_deleted = 0;
@@ -348,7 +348,7 @@ pgstat_count_truncate(Relation rel)
 void
 pgstat_update_heap_dead_tuples(Relation rel, int delta)
 {
-       if (pgstat_relation_should_count(rel))
+       if (pgstat_should_count_relation(rel))
        {
                PgStat_TableStatus *pgstat_info = rel->pgstat_info;
 
@@ -405,7 +405,7 @@ AtEOXact_PgStat_Relations(PgStat_SubXactStatus *xact_state, bool isCommit)
                Assert(tabstat->trans == trans);
                /* restore pre-truncate/drop stats (if any) in case of aborted xact */
                if (!isCommit)
-                       pgstat_truncdrop_restore_counters(trans);
+                       restore_truncdrop_counters(trans);
                /* count attempted actions regardless of commit/abort */
                tabstat->t_counts.t_tuples_inserted += trans->tuples_inserted;
                tabstat->t_counts.t_tuples_updated += trans->tuples_updated;
@@ -470,7 +470,7 @@ AtEOSubXact_PgStat_Relations(PgStat_SubXactStatus *xact_state, bool isCommit, in
                                if (trans->truncdropped)
                                {
                                        /* propagate the truncate/drop status one level up */
-                                       pgstat_truncdrop_save_counters(trans->upper, false);
+                                       save_truncdrop_counters(trans->upper, false);
                                        /* replace upper xact stats with ours */
                                        trans->upper->tuples_inserted = trans->tuples_inserted;
                                        trans->upper->tuples_updated = trans->tuples_updated;
@@ -497,7 +497,7 @@ AtEOSubXact_PgStat_Relations(PgStat_SubXactStatus *xact_state, bool isCommit, in
                                 */
                                PgStat_SubXactStatus *upper_xact_state;
 
-                               upper_xact_state = pgstat_xact_stack_level_get(nestDepth - 1);
+                               upper_xact_state = pgstat_get_xact_stack_level(nestDepth - 1);
                                trans->next = upper_xact_state->first;
                                upper_xact_state->first = trans;
                                trans->nest_level = nestDepth - 1;
@@ -511,7 +511,7 @@ AtEOSubXact_PgStat_Relations(PgStat_SubXactStatus *xact_state, bool isCommit, in
                         */
 
                        /* first restore values obliterated by truncate/drop */
-                       pgstat_truncdrop_restore_counters(trans);
+                       restore_truncdrop_counters(trans);
                        /* count attempted actions regardless of commit/abort */
                        tabstat->t_counts.t_tuples_inserted += trans->tuples_inserted;
                        tabstat->t_counts.t_tuples_updated += trans->tuples_updated;
@@ -860,7 +860,7 @@ add_tabstat_xact_level(PgStat_TableStatus *pgstat_info, int nest_level)
         * If this is the first rel to be modified at the current nest level, we
         * first have to push a transaction stack entry.
         */
-       xact_state = pgstat_xact_stack_level_get(nest_level);
+       xact_state = pgstat_get_xact_stack_level(nest_level);
 
        /* Now make a per-table stack entry */
        trans = (PgStat_TableXactStatus *)
@@ -897,7 +897,7 @@ ensure_tabstat_xact_level(PgStat_TableStatus *pgstat_info)
  * subxact level only.
  */
 static void
-pgstat_truncdrop_save_counters(PgStat_TableXactStatus *trans, bool is_drop)
+save_truncdrop_counters(PgStat_TableXactStatus *trans, bool is_drop)
 {
        if (!trans->truncdropped || is_drop)
        {
@@ -912,7 +912,7 @@ pgstat_truncdrop_save_counters(PgStat_TableXactStatus *trans, bool is_drop)
  * restore counters when a truncate aborts
  */
 static void
-pgstat_truncdrop_restore_counters(PgStat_TableXactStatus *trans)
+restore_truncdrop_counters(PgStat_TableXactStatus *trans)
 {
        if (trans->truncdropped)
        {
index 1f2d2c3bbb745db1a862a9fd64aebb659056907c..d932bc74e0949bec1799ac757c43d137662f5530 100644 (file)
@@ -20,7 +20,7 @@
 #include "utils/pgstat_internal.h"
 
 
-static inline PgStat_MsgSLRU *slru_entry(int slru_idx);
+static inline PgStat_MsgSLRU *get_slru_entry(int slru_idx);
 
 
 /*
@@ -49,7 +49,7 @@ pgstat_reset_slru(const char *name)
                return;
 
        pgstat_setheader(&msg.m_hdr, PGSTAT_MTYPE_RESETSLRUCOUNTER);
-       msg.m_index = pgstat_slru_index(name);
+       msg.m_index = pgstat_get_slru_index(name);
 
        pgstat_send(&msg, sizeof(msg));
 }
@@ -61,43 +61,43 @@ pgstat_reset_slru(const char *name)
 void
 pgstat_count_slru_page_zeroed(int slru_idx)
 {
-       slru_entry(slru_idx)->m_blocks_zeroed += 1;
+       get_slru_entry(slru_idx)->m_blocks_zeroed += 1;
 }
 
 void
 pgstat_count_slru_page_hit(int slru_idx)
 {
-       slru_entry(slru_idx)->m_blocks_hit += 1;
+       get_slru_entry(slru_idx)->m_blocks_hit += 1;
 }
 
 void
 pgstat_count_slru_page_exists(int slru_idx)
 {
-       slru_entry(slru_idx)->m_blocks_exists += 1;
+       get_slru_entry(slru_idx)->m_blocks_exists += 1;
 }
 
 void
 pgstat_count_slru_page_read(int slru_idx)
 {
-       slru_entry(slru_idx)->m_blocks_read += 1;
+       get_slru_entry(slru_idx)->m_blocks_read += 1;
 }
 
 void
 pgstat_count_slru_page_written(int slru_idx)
 {
-       slru_entry(slru_idx)->m_blocks_written += 1;
+       get_slru_entry(slru_idx)->m_blocks_written += 1;
 }
 
 void
 pgstat_count_slru_flush(int slru_idx)
 {
-       slru_entry(slru_idx)->m_flush += 1;
+       get_slru_entry(slru_idx)->m_flush += 1;
 }
 
 void
 pgstat_count_slru_truncate(int slru_idx)
 {
-       slru_entry(slru_idx)->m_truncate += 1;
+       get_slru_entry(slru_idx)->m_truncate += 1;
 }
 
 /*
@@ -106,7 +106,7 @@ pgstat_count_slru_truncate(int slru_idx)
  * know the number of entries in advance.
  */
 const char *
-pgstat_slru_name(int slru_idx)
+pgstat_get_slru_name(int slru_idx)
 {
        if (slru_idx < 0 || slru_idx >= SLRU_NUM_ELEMENTS)
                return NULL;
@@ -120,7 +120,7 @@ pgstat_slru_name(int slru_idx)
  * external projects.
  */
 int
-pgstat_slru_index(const char *name)
+pgstat_get_slru_index(const char *name)
 {
        int                     i;
 
@@ -174,7 +174,7 @@ pgstat_send_slru(void)
  * stored in SlruCtl as lwlock tranche name).
  */
 static inline PgStat_MsgSLRU *
-slru_entry(int slru_idx)
+get_slru_entry(int slru_idx)
 {
        pgstat_assert_is_up();
 
index 8680809deef12ede7d37eb9344dd0cd788e82bd5..8855598f52ed0cd42754912ae9ac76cdb47fba4e 100644 (file)
@@ -130,7 +130,7 @@ pgstat_report_wal(bool force)
 }
 
 void
-pgstat_wal_initialize(void)
+pgstat_init_wal(void)
 {
        /*
         * Initialize prevWalUsage with pgWalUsage so that pgstat_report_wal() can
@@ -148,7 +148,7 @@ pgstat_wal_initialize(void)
  * data pages.
  */
 bool
-pgstat_wal_pending(void)
+pgstat_have_pending_wal(void)
 {
        return pgWalUsage.wal_records != prevWalUsage.wal_records ||
                WalStats.m_wal_write != 0 ||
index 5c00eab7c70b27b7f4f94a087e27e698d79596ee..3f3308737879202baae86a2e44e6392185019523 100644 (file)
@@ -139,7 +139,7 @@ AtEOSubXact_PgStat_DroppedStats(PgStat_SubXactStatus *xact_state,
        if (xact_state->pending_drops_count == 0)
                return;
 
-       parent_xact_state = pgstat_xact_stack_level_get(nestDepth - 1);
+       parent_xact_state = pgstat_get_xact_stack_level(nestDepth - 1);
 
        dlist_foreach_modify(iter, &xact_state->pending_drops)
        {
@@ -228,7 +228,7 @@ PostPrepare_PgStat(void)
  * it if needed.
  */
 PgStat_SubXactStatus *
-pgstat_xact_stack_level_get(int nest_level)
+pgstat_get_xact_stack_level(int nest_level)
 {
        PgStat_SubXactStatus *xact_state;
 
@@ -324,7 +324,7 @@ create_drop_transactional_internal(PgStat_Kind kind, Oid dboid, Oid objoid, bool
        PgStat_PendingDroppedStatsItem *drop = (PgStat_PendingDroppedStatsItem *)
        MemoryContextAlloc(TopTransactionContext, sizeof(PgStat_PendingDroppedStatsItem));
 
-       xact_state = pgstat_xact_stack_level_get(nest_level);
+       xact_state = pgstat_get_xact_stack_level(nest_level);
 
        drop->is_create = is_create;
        drop->item.kind = kind;
index 709dd5548ac57319efdfebcadb49ad891b4cbfb9..be5470a107c79c3058f133deaadeb5879dbc7e0f 100644 (file)
@@ -1830,7 +1830,7 @@ pg_stat_get_slru(PG_FUNCTION_ARGS)
                PgStat_SLRUStats stat;
                const char *name;
 
-               name = pgstat_slru_name(i);
+               name = pgstat_get_slru_name(i);
 
                if (!name)
                        break;
index 0c618e77103b21fa1c171661ee0f5a03d735fbf8..99115bacde7c87b95e244bb2e7ca07d919da4c5a 100644 (file)
@@ -1069,7 +1069,7 @@ extern void pgstat_create_relation(Relation rel);
 extern void pgstat_drop_relation(Relation rel);
 extern void pgstat_copy_relation_stats(Relation dstrel, Relation srcrel);
 
-extern void pgstat_relation_init(Relation rel);
+extern void pgstat_init_relation(Relation rel);
 
 extern void pgstat_report_vacuum(Oid tableoid, bool shared,
                                                                 PgStat_Counter livetuples, PgStat_Counter deadtuples);
@@ -1077,44 +1077,44 @@ extern void pgstat_report_analyze(Relation rel,
                                                                  PgStat_Counter livetuples, PgStat_Counter deadtuples,
                                                                  bool resetcounter);
 
-#define pgstat_relation_should_count(rel)                           \
+#define pgstat_should_count_relation(rel)                           \
        (likely((rel)->pgstat_info != NULL))
 
 /* nontransactional event counts are simple enough to inline */
 
 #define pgstat_count_heap_scan(rel)                                                                    \
        do {                                                                                                                    \
-               if (pgstat_relation_should_count(rel))                                          \
+               if (pgstat_should_count_relation(rel))                                          \
                        (rel)->pgstat_info->t_counts.t_numscans++;                              \
        } while (0)
 #define pgstat_count_heap_getnext(rel)                                                         \
        do {                                                                                                                    \
-               if (pgstat_relation_should_count(rel))                                          \
+               if (pgstat_should_count_relation(rel))                                          \
                        (rel)->pgstat_info->t_counts.t_tuples_returned++;               \
        } while (0)
 #define pgstat_count_heap_fetch(rel)                                                           \
        do {                                                                                                                    \
-               if (pgstat_relation_should_count(rel))                                          \
+               if (pgstat_should_count_relation(rel))                                          \
                        (rel)->pgstat_info->t_counts.t_tuples_fetched++;                \
        } while (0)
 #define pgstat_count_index_scan(rel)                                                           \
        do {                                                                                                                    \
-               if (pgstat_relation_should_count(rel))                                          \
+               if (pgstat_should_count_relation(rel))                                          \
                        (rel)->pgstat_info->t_counts.t_numscans++;                              \
        } while (0)
 #define pgstat_count_index_tuples(rel, n)                                                      \
        do {                                                                                                                    \
-               if (pgstat_relation_should_count(rel))                                          \
+               if (pgstat_should_count_relation(rel))                                          \
                        (rel)->pgstat_info->t_counts.t_tuples_returned += (n);  \
        } while (0)
 #define pgstat_count_buffer_read(rel)                                                          \
        do {                                                                                                                    \
-               if (pgstat_relation_should_count(rel))                                          \
+               if (pgstat_should_count_relation(rel))                                          \
                        (rel)->pgstat_info->t_counts.t_blocks_fetched++;                \
        } while (0)
 #define pgstat_count_buffer_hit(rel)                                                           \
        do {                                                                                                                    \
-               if (pgstat_relation_should_count(rel))                                          \
+               if (pgstat_should_count_relation(rel))                                          \
                        (rel)->pgstat_info->t_counts.t_blocks_hit++;                    \
        } while (0)
 
@@ -1155,8 +1155,8 @@ extern void pgstat_count_slru_page_written(int slru_idx);
 extern void pgstat_count_slru_page_exists(int slru_idx);
 extern void pgstat_count_slru_flush(int slru_idx);
 extern void pgstat_count_slru_truncate(int slru_idx);
-extern const char *pgstat_slru_name(int slru_idx);
-extern int     pgstat_slru_index(const char *name);
+extern const char *pgstat_get_slru_name(int slru_idx);
+extern int     pgstat_get_slru_index(const char *name);
 
 
 /*
index da66e924dc071cb168a0692b9dbe48f0971e5c83..c3f83c74c62508c1731da1c50daee000ae827f12 100644 (file)
@@ -134,20 +134,19 @@ extern void pgstat_send_slru(void);
  * Functions in pgstat_wal.c
  */
 
-extern void pgstat_wal_initialize(void);
-extern bool pgstat_wal_pending(void);
+extern void pgstat_init_wal(void);
+extern bool pgstat_have_pending_wal(void);
 
 
 /*
  * Functions in pgstat_xact.c
  */
 
-extern PgStat_SubXactStatus *pgstat_xact_stack_level_get(int nest_level);
+extern PgStat_SubXactStatus *pgstat_get_xact_stack_level(int nest_level);
 extern void pgstat_drop_transactional(PgStat_Kind kind, Oid dboid, Oid objoid);
 extern void pgstat_create_transactional(PgStat_Kind kind, Oid dboid, Oid objoid);
 
 
-
 /*
  * Variables in pgstat.c
  */