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/*-
* Copyright (c) 2008-2012 WiredTiger, Inc.
* All rights reserved.
*
* See the file LICENSE for redistribution information.
*/
#define WT_SCHEMA_FILENAME "WiredTiger.wt" /* Schema file name */
#define WT_SCHEMA_URI "file:WiredTiger.wt" /* Schema file URI */
#define WT_SCHEMA_VERSION "WiredTiger version" /* Version keys */
#define WT_SCHEMA_VERSION_STR "WiredTiger version string"
/* Character constants for projection plans. */
#define WT_PROJ_KEY 'k' /* Go to key in cursor <arg>. */
#define WT_PROJ_NEXT 'n' /* Process the next item (<arg> repeats). */
#define WT_PROJ_REUSE 'r' /* Reuse the previous item (<arg> repeats). */
#define WT_PROJ_SKIP 's' /* Skip a column in the cursor (<arg> repeats). */
#define WT_PROJ_VALUE 'v' /* Go to the value in cursor <arg>. */
/*
* WT_TABLE --
* Handle for a logical table. A table consists of one or more column
* groups, each of which holds some set of columns all sharing a primary
* key; and zero or more indices, each of which holds some set of columns
* in an index key that can be used to reconstruct the primary key.
*/
struct __wt_table {
const char *name, *config, *plan;
const char *key_format, *value_format;
WT_CONFIG_ITEM cgconf, colconf;
WT_BTREE **colgroup;
WT_BTREE **index;
size_t index_alloc;
TAILQ_ENTRY(__wt_table) q;
int cg_complete, idx_complete, is_simple;
int ncolgroups, nindices, nkey_columns;
};
/*
* Tables without explicit column groups have a single default column group
* containing all of the columns.
*/
#define WT_COLGROUPS(t) WT_MAX((t)->ncolgroups, 1)
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