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Add the ability to create indexes 'concurrently', that is, without

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blocking concurrent writes to the table.  Greg Stark, with a little help
from Tom Lane.
This commit is contained in:
Tom Lane
2006-08-25 04:06:58 +00:00
parent 8f91e2b607
commit e093dcdd28
34 changed files with 1025 additions and 138 deletions
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23
src/bin/psql/describe.c
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@ -3,7 +3,7 @@
*
* Copyright (c) 2000-2006, PostgreSQL Global Development Group
*
* $PostgreSQL: pgsql/src/bin/psql/describe.c,v 1.142 2006/07/27 19:52:06 tgl Exp $
* $PostgreSQL: pgsql/src/bin/psql/describe.c,v 1.143 2006/08/25 04:06:54 tgl Exp $
*/
#include "postgres_fe.h"
#include "describe.h"
@ -942,7 +942,7 @@ describeOneTableDetails(const char *schemaname,
PGresult *result;
printfPQExpBuffer(&buf,
"SELECT i.indisunique, i.indisprimary, i.indisclustered, a.amname, c2.relname,\n"
"SELECT i.indisunique, i.indisprimary, i.indisclustered, i.indisvalid, a.amname, c2.relname,\n"
" pg_catalog.pg_get_expr(i.indpred, i.indrelid, true)\n"
"FROM pg_catalog.pg_index i, pg_catalog.pg_class c, pg_catalog.pg_class c2, pg_catalog.pg_am a\n"
"WHERE i.indexrelid = c.oid AND c.oid = '%s' AND c.relam = a.oid\n"
@ -962,9 +962,10 @@ describeOneTableDetails(const char *schemaname,
char *indisunique = PQgetvalue(result, 0, 0);
char *indisprimary = PQgetvalue(result, 0, 1);
char *indisclustered = PQgetvalue(result, 0, 2);
char *indamname = PQgetvalue(result, 0, 3);
char *indtable = PQgetvalue(result, 0, 4);
char *indpred = PQgetvalue(result, 0, 5);
char *indisvalid = PQgetvalue(result, 0, 3);
char *indamname = PQgetvalue(result, 0, 4);
char *indtable = PQgetvalue(result, 0, 5);
char *indpred = PQgetvalue(result, 0, 6);
int count_footers = 0;
if (strcmp(indisprimary, "t") == 0)
@ -985,6 +986,9 @@ describeOneTableDetails(const char *schemaname,
if (strcmp(indisclustered, "t") == 0)
appendPQExpBuffer(&tmpbuf, _(", clustered"));
if (strcmp(indisvalid, "t") != 0)
appendPQExpBuffer(&tmpbuf, _(", invalid"));
footers = pg_malloc_zero(4 * sizeof(*footers));
footers[count_footers++] = pg_strdup(tmpbuf.data);
add_tablespace_footer(tableinfo.relkind, tableinfo.tablespace,
@ -1067,7 +1071,7 @@ describeOneTableDetails(const char *schemaname,
if (tableinfo.hasindex)
{
printfPQExpBuffer(&buf,
"SELECT c2.relname, i.indisprimary, i.indisunique, i.indisclustered, "
"SELECT c2.relname, i.indisprimary, i.indisunique, i.indisclustered, i.indisvalid, "
"pg_catalog.pg_get_indexdef(i.indexrelid, 0, true), c2.reltablespace\n"
"FROM pg_catalog.pg_class c, pg_catalog.pg_class c2, pg_catalog.pg_index i\n"
"WHERE c.oid = '%s' AND c.oid = i.indrelid AND i.indexrelid = c2.oid\n"
@ -1201,7 +1205,7 @@ describeOneTableDetails(const char *schemaname,
? " UNIQUE,"
: ""));
/* Everything after "USING" is echoed verbatim */
indexdef = PQgetvalue(result1, i, 4);
indexdef = PQgetvalue(result1, i, 5);
usingpos = strstr(indexdef, " USING ");
if (usingpos)
indexdef = usingpos + 7;
@ -1211,11 +1215,14 @@ describeOneTableDetails(const char *schemaname,
if (strcmp(PQgetvalue(result1, i, 3), "t") == 0)
appendPQExpBuffer(&buf, " CLUSTER");
if (strcmp(PQgetvalue(result1, i, 4), "t") != 0)
appendPQExpBuffer(&buf, " INVALID");
/* Print tablespace of the index on the same line */
count_footers += 1;
initPQExpBuffer(&tmpbuf);
if (add_tablespace_footer('i',
atooid(PQgetvalue(result1, i, 5)),
atooid(PQgetvalue(result1, i, 6)),
footers, &count_footers, tmpbuf, false))
{
appendPQExpBuffer(&buf, ", ");