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PG-200: Add application name to the bucket ID.

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Add application name to the key used to identify queries in the hash
table, this allows different applications to have separate entries in
pg_stat_monitor view if they issued the same query.
This commit is contained in:
Diego Fronza
2021-07-29 14:44:14 -04:00
parent 7934ccbbdf
commit 99f01d37e3
3 changed files with 36 additions and 11 deletions
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6
pg_stat_monitor.h
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@@ -178,6 +178,7 @@ typedef struct pgssQueryHashKey
uint64 userid; /* user OID */
uint64 dbid; /* database OID */
uint64 ip; /* client ip address */
uint64 appid; /* hash of application name */
} pgssQueryHashKey;
typedef struct pgssQueryEntry
@@ -201,6 +202,7 @@ typedef struct pgssHashKey
uint64 dbid; /* database OID */
uint64 ip; /* client ip address */
uint64 planid; /* plan identifier */
uint64 appid; /* hash of application name */
} pgssHashKey;
typedef struct QueryInfo
@@ -388,8 +390,8 @@ Size hash_memsize(void);
int read_query_buffer(int bucket_id, uint64 queryid, char *query_txt);
uint64 read_query(unsigned char *buf, uint64 bucketid, uint64 queryid, char * query);
pgssQueryEntry* hash_find_query_entry(uint64 bucket_id, uint64 queryid, uint64 dbid, uint64 userid, uint64 ip);
pgssQueryEntry* hash_create_query_entry(uint64 bucket_id, uint64 queryid, uint64 dbid, uint64 userid, uint64 ip);
pgssQueryEntry* hash_find_query_entry(uint64 bucket_id, uint64 queryid, uint64 dbid, uint64 userid, uint64 ip, uint64 appid);
pgssQueryEntry* hash_create_query_entry(uint64 bucket_id, uint64 queryid, uint64 dbid, uint64 userid, uint64 ip, uint64 appid);
void pgss_startup(void);
void set_qbuf(int i, unsigned char *);