2^31 blocks. Also fix pg_relpages() for the same case.
Tatsuhito Kasahara
typedef struct BTIndexStat
{
uint32 version;
- BlockNumber root_blkno;
uint32 level;
+ BlockNumber root_blkno;
- uint32 root_pages;
- uint32 internal_pages;
- uint32 leaf_pages;
- uint32 empty_pages;
- uint32 deleted_pages;
+ uint64 root_pages;
+ uint64 internal_pages;
+ uint64 leaf_pages;
+ uint64 empty_pages;
+ uint64 deleted_pages;
- uint32 max_avail;
- uint32 free_space;
+ uint64 max_avail;
+ uint64 free_space;
- uint32 fragments;
+ uint64 fragments;
} BTIndexStat;
/* ------------------------------------------------------
Relation rel;
RangeVar *relrv;
Datum result;
- uint32 nblocks;
- uint32 blkno;
+ BlockNumber nblocks;
+ BlockNumber blkno;
BTIndexStat indexStat;
if (!superuser())
BTMetaPageData *metad = BTPageGetMeta(page);
indexStat.version = metad->btm_version;
- indexStat.root_blkno = metad->btm_root;
indexStat.level = metad->btm_level;
+ indexStat.root_blkno = metad->btm_root;
ReleaseBuffer(buffer);
}
- nblocks = RelationGetNumberOfBlocks(rel);
-
- /* -- init stat -- */
- indexStat.fragments = 0;
-
+ /* -- init counters -- */
indexStat.root_pages = 0;
- indexStat.leaf_pages = 0;
indexStat.internal_pages = 0;
+ indexStat.leaf_pages = 0;
indexStat.empty_pages = 0;
indexStat.deleted_pages = 0;
indexStat.max_avail = 0;
indexStat.free_space = 0;
- /*-----------------------
- * Scan all blocks
- *-----------------------
+ indexStat.fragments = 0;
+
+ /*
+ * Scan all blocks except the metapage
*/
+ nblocks = RelationGetNumberOfBlocks(rel);
+
for (blkno = 1; blkno < nblocks; blkno++)
{
Buffer buffer;
/* Determine page type, and update totals */
- if (P_ISDELETED(opaque))
- indexStat.deleted_pages++;
-
- else if (P_IGNORE(opaque))
- indexStat.empty_pages++;
-
- else if (P_ISLEAF(opaque))
+ if (P_ISLEAF(opaque))
{
int max_avail;
if (opaque->btpo_next != P_NONE && opaque->btpo_next < blkno)
indexStat.fragments++;
}
+ else if (P_ISDELETED(opaque))
+ indexStat.deleted_pages++;
+ else if (P_IGNORE(opaque))
+ indexStat.empty_pages++;
else if (P_ISROOT(opaque))
indexStat.root_pages++;
-
else
indexStat.internal_pages++;
values[j] = palloc(32);
snprintf(values[j++], 32, "%d", indexStat.level);
values[j] = palloc(32);
- snprintf(values[j++], 32, "%d", (indexStat.root_pages +
- indexStat.leaf_pages +
- indexStat.internal_pages +
- indexStat.deleted_pages +
- indexStat.empty_pages) * BLCKSZ);
+ snprintf(values[j++], 32, INT64_FORMAT,
+ (indexStat.root_pages +
+ indexStat.leaf_pages +
+ indexStat.internal_pages +
+ indexStat.deleted_pages +
+ indexStat.empty_pages) * BLCKSZ);
values[j] = palloc(32);
- snprintf(values[j++], 32, "%d", indexStat.root_blkno);
+ snprintf(values[j++], 32, "%u", indexStat.root_blkno);
values[j] = palloc(32);
- snprintf(values[j++], 32, "%d", indexStat.internal_pages);
+ snprintf(values[j++], 32, INT64_FORMAT, indexStat.internal_pages);
values[j] = palloc(32);
- snprintf(values[j++], 32, "%d", indexStat.leaf_pages);
+ snprintf(values[j++], 32, INT64_FORMAT, indexStat.leaf_pages);
values[j] = palloc(32);
- snprintf(values[j++], 32, "%d", indexStat.empty_pages);
+ snprintf(values[j++], 32, INT64_FORMAT, indexStat.empty_pages);
values[j] = palloc(32);
- snprintf(values[j++], 32, "%d", indexStat.deleted_pages);
+ snprintf(values[j++], 32, INT64_FORMAT, indexStat.deleted_pages);
values[j] = palloc(32);
- snprintf(values[j++], 32, "%.2f", 100.0 - (float) indexStat.free_space / (float) indexStat.max_avail * 100.0);
+ snprintf(values[j++], 32, "%.2f", 100.0 - (double) indexStat.free_space / (double) indexStat.max_avail * 100.0);
values[j] = palloc(32);
- snprintf(values[j++], 32, "%.2f", (float) indexStat.fragments / (float) indexStat.leaf_pages * 100.0);
+ snprintf(values[j++], 32, "%.2f", (double) indexStat.fragments / (double) indexStat.leaf_pages * 100.0);
tuple = BuildTupleFromCStrings(TupleDescGetAttInMetadata(tupleDesc),
values);
pg_relpages(PG_FUNCTION_ARGS)
{
text *relname = PG_GETARG_TEXT_P(0);
+ int64 relpages;
Relation rel;
RangeVar *relrv;
- int4 relpages;
if (!superuser())
ereport(ERROR,
relation_close(rel, AccessShareLock);
- PG_RETURN_INT32(relpages);
+ PG_RETURN_INT64(relpages);
}
-/* $PostgreSQL: pgsql/contrib/pgstattuple/pgstattuple.sql.in,v 1.15 2007/11/13 04:24:28 momjian Exp $ */
+/* $PostgreSQL: pgsql/contrib/pgstattuple/pgstattuple.sql.in,v 1.16 2008/03/21 03:23:30 tgl Exp $ */
-- Adjust this setting to control where the objects get created.
SET search_path = public;
OUT table_len BIGINT, -- physical table length in bytes
OUT tuple_count BIGINT, -- number of live tuples
OUT tuple_len BIGINT, -- total tuples length in bytes
- OUT tuple_percent FLOAT, -- live tuples in %
+ OUT tuple_percent FLOAT8, -- live tuples in %
OUT dead_tuple_count BIGINT, -- number of dead tuples
OUT dead_tuple_len BIGINT, -- total dead tuples length in bytes
- OUT dead_tuple_percent FLOAT, -- dead tuples in %
+ OUT dead_tuple_percent FLOAT8, -- dead tuples in %
OUT free_space BIGINT, -- free space in bytes
- OUT free_percent FLOAT) -- free space in %
+ OUT free_percent FLOAT8) -- free space in %
AS 'MODULE_PATHNAME', 'pgstattuple'
LANGUAGE C STRICT;
OUT table_len BIGINT, -- physical table length in bytes
OUT tuple_count BIGINT, -- number of live tuples
OUT tuple_len BIGINT, -- total tuples length in bytes
- OUT tuple_percent FLOAT, -- live tuples in %
+ OUT tuple_percent FLOAT8, -- live tuples in %
OUT dead_tuple_count BIGINT, -- number of dead tuples
OUT dead_tuple_len BIGINT, -- total dead tuples length in bytes
- OUT dead_tuple_percent FLOAT, -- dead tuples in %
+ OUT dead_tuple_percent FLOAT8, -- dead tuples in %
OUT free_space BIGINT, -- free space in bytes
- OUT free_percent FLOAT) -- free space in %
+ OUT free_percent FLOAT8) -- free space in %
AS 'MODULE_PATHNAME', 'pgstattuplebyid'
LANGUAGE C STRICT;
---
--- pgstatindex
---
CREATE OR REPLACE FUNCTION pgstatindex(IN relname text,
- OUT version int4,
- OUT tree_level int4,
- OUT index_size int4,
- OUT root_block_no int4,
- OUT internal_pages int4,
- OUT leaf_pages int4,
- OUT empty_pages int4,
- OUT deleted_pages int4,
- OUT avg_leaf_density float8,
- OUT leaf_fragmentation float8)
+ OUT version INT,
+ OUT tree_level INT,
+ OUT index_size BIGINT,
+ OUT root_block_no BIGINT,
+ OUT internal_pages BIGINT,
+ OUT leaf_pages BIGINT,
+ OUT empty_pages BIGINT,
+ OUT deleted_pages BIGINT,
+ OUT avg_leaf_density FLOAT8,
+ OUT leaf_fragmentation FLOAT8)
AS 'MODULE_PATHNAME', 'pgstatindex'
LANGUAGE C STRICT;
---
--- pg_relpages()
---
-CREATE OR REPLACE FUNCTION pg_relpages(text)
-RETURNS int
+CREATE OR REPLACE FUNCTION pg_relpages(IN relname text)
+RETURNS BIGINT
AS 'MODULE_PATHNAME', 'pg_relpages'
LANGUAGE C STRICT;
-<!-- $PostgreSQL: pgsql/doc/src/sgml/pgstattuple.sgml,v 1.3 2007/12/10 05:32:51 tgl Exp $ -->
+<!-- $PostgreSQL: pgsql/doc/src/sgml/pgstattuple.sgml,v 1.4 2008/03/21 03:23:30 tgl Exp $ -->
<sect1 id="pgstattuple">
<title>pgstattuple</title>
<row>
<entry><structfield>index_size</structfield></entry>
- <entry><type>integer</type></entry>
+ <entry><type>bigint</type></entry>
<entry>Total number of pages in index</entry>
</row>
<row>
<entry><structfield>root_block_no</structfield></entry>
- <entry><type>integer</type></entry>
+ <entry><type>bigint</type></entry>
<entry>Location of root block</entry>
</row>
<row>
<entry><structfield>internal_pages</structfield></entry>
- <entry><type>integer</type></entry>
+ <entry><type>bigint</type></entry>
<entry>Number of <quote>internal</> (upper-level) pages</entry>
</row>
<row>
<entry><structfield>leaf_pages</structfield></entry>
- <entry><type>integer</type></entry>
+ <entry><type>bigint</type></entry>
<entry>Number of leaf pages</entry>
</row>
<row>
<entry><structfield>empty_pages</structfield></entry>
- <entry><type>integer</type></entry>
+ <entry><type>bigint</type></entry>
<entry>Number of empty pages</entry>
</row>
<row>
<entry><structfield>deleted_pages</structfield></entry>
- <entry><type>integer</type></entry>
+ <entry><type>bigint</type></entry>
<entry>Number of deleted pages</entry>
</row>
<varlistentry>
<term>
- <function>pg_relpages(text) returns integer</>
+ <function>pg_relpages(text) returns bigint</>
</term>
<listitem>
</sect2>
<sect2>
- <title>Author</title>
+ <title>Authors</title>
<para>
- Tatsuo Ishii
+ Tatsuo Ishii and Satoshi Nagayasu
</para>
</sect2>
projects / thirdparty / postgresql.git / commitdiff
