1*7c478bd9Sstevel@tonic-gate /*- 2*7c478bd9Sstevel@tonic-gate * See the file LICENSE for redistribution information. 3*7c478bd9Sstevel@tonic-gate * 4*7c478bd9Sstevel@tonic-gate * Copyright (c) 1998 5*7c478bd9Sstevel@tonic-gate * Sleepycat Software. All rights reserved. 6*7c478bd9Sstevel@tonic-gate * 7*7c478bd9Sstevel@tonic-gate * @(#)db_join.h 10.2 (Sleepycat) 10/4/98 8*7c478bd9Sstevel@tonic-gate */ 9*7c478bd9Sstevel@tonic-gate 10*7c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 11*7c478bd9Sstevel@tonic-gate 12*7c478bd9Sstevel@tonic-gate #ifndef _DB_JOIN_H 13*7c478bd9Sstevel@tonic-gate #define _DB_JOIN_H 14*7c478bd9Sstevel@tonic-gate /* 15*7c478bd9Sstevel@tonic-gate * Joins use a join cursor that is similar to a regular DB cursor except 16*7c478bd9Sstevel@tonic-gate * that it only supports c_get and c_close functionality. Also, it does 17*7c478bd9Sstevel@tonic-gate * not support the full range of flags for get. 18*7c478bd9Sstevel@tonic-gate */ 19*7c478bd9Sstevel@tonic-gate typedef struct __join_cursor { 20*7c478bd9Sstevel@tonic-gate u_int32_t j_init; /* Set when cursor is initialized. */ 21*7c478bd9Sstevel@tonic-gate DBC **j_curslist; /* Array of cursors in the join. */ 22*7c478bd9Sstevel@tonic-gate DB *j_primary; /* Primary dbp. */ 23*7c478bd9Sstevel@tonic-gate DBT j_key; /* Used to do lookups. */ 24*7c478bd9Sstevel@tonic-gate } JOIN_CURSOR; 25*7c478bd9Sstevel@tonic-gate #endif 26