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/*-
* Copyright (c) 2014-2015 MongoDB, Inc.
* Copyright (c) 2008-2014 WiredTiger, Inc.
* All rights reserved.
*
* See the file LICENSE for redistribution information.
*/
#include "wt_internal.h"
/*
* __wt_curstat_colgroup_init --
* Initialize the statistics for a column group.
*/
int
__wt_curstat_colgroup_init(WT_SESSION_IMPL *session,
const char *uri, const char *cfg[], WT_CURSOR_STAT *cst)
{
WT_COLGROUP *colgroup;
WT_DECL_ITEM(buf);
WT_DECL_RET;
WT_RET(__wt_schema_get_colgroup(session, uri, 0, NULL, &colgroup));
WT_RET(__wt_scr_alloc(session, 0, &buf));
WT_ERR(__wt_buf_fmt(session, buf, "statistics:%s", colgroup->source));
ret = __wt_curstat_init(session, buf->data, cfg, cst);
err: __wt_scr_free(session, &buf);
return (ret);
}
/*
* __wt_curstat_index_init --
* Initialize the statistics for an index.
*/
int
__wt_curstat_index_init(WT_SESSION_IMPL *session,
const char *uri, const char *cfg[], WT_CURSOR_STAT *cst)
{
WT_DECL_ITEM(buf);
WT_DECL_RET;
WT_INDEX *idx;
WT_RET(__wt_schema_get_index(session, uri, 0, NULL, &idx));
WT_RET(__wt_scr_alloc(session, 0, &buf));
WT_ERR(__wt_buf_fmt(session, buf, "statistics:%s", idx->source));
ret = __wt_curstat_init(session, buf->data, cfg, cst);
err: __wt_scr_free(session, &buf);
return (ret);
}
/*
* __wt_curstat_table_init --
* Initialize the statistics for a table.
*/
int
__wt_curstat_table_init(WT_SESSION_IMPL *session,
const char *uri, const char *cfg[], WT_CURSOR_STAT *cst)
{
WT_CURSOR *stat_cursor;
WT_DECL_ITEM(buf);
WT_DECL_RET;
WT_DSRC_STATS *new, *stats;
WT_TABLE *table;
u_int i;
const char *name;
name = uri + strlen("table:");
WT_RET(__wt_schema_get_table(session, name, strlen(name), 0, &table));
WT_ERR(__wt_scr_alloc(session, 0, &buf));
/*
* Process the column groups.
*
* Set the cursor to reference the data source statistics; we don't
* initialize it, instead we copy (rather than aggregate), the first
* column's statistics, which has the same effect.
*/
stats = &cst->u.dsrc_stats;
for (i = 0; i < WT_COLGROUPS(table); i++) {
WT_ERR(__wt_buf_fmt(
session, buf, "statistics:%s", table->cgroups[i]->name));
WT_ERR(__wt_curstat_open(
session, buf->data, cfg, &stat_cursor));
new = (WT_DSRC_STATS *)WT_CURSOR_STATS(stat_cursor);
if (i == 0)
*stats = *new;
else
__wt_stat_aggregate_dsrc_stats(new, stats);
WT_ERR(stat_cursor->close(stat_cursor));
}
/* Process the indices. */
WT_ERR(__wt_schema_open_indices(session, table));
for (i = 0; i < table->nindices; i++) {
WT_ERR(__wt_buf_fmt(
session, buf, "statistics:%s", table->indices[i]->name));
WT_ERR(__wt_curstat_open(
session, buf->data, cfg, &stat_cursor));
new = (WT_DSRC_STATS *)WT_CURSOR_STATS(stat_cursor);
__wt_stat_aggregate_dsrc_stats(new, stats);
WT_ERR(stat_cursor->close(stat_cursor));
}
__wt_curstat_dsrc_final(cst);
err: __wt_schema_release_table(session, table);
__wt_scr_free(session, &buf);
return (ret);
}
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