From: Adam Dickmeiss Date: Wed, 17 Jan 2007 15:35:47 +0000 (+0000) Subject: Avoid full rset count for rset_count. Proper break for result set X-Git-Tag: ZEBRA.2.0.10~3 X-Git-Url: http://sru.miketaylor.org.uk/cgi-bin?a=commitdiff_plain;h=86702aad7008abed6afef80feed08b3e4e1cbcd1;p=idzebra-moved-to-github.git Avoid full rset count for rset_count. Proper break for result set sort/rank. --- diff --git a/include/idzebra/api.h b/include/idzebra/api.h index 52154c4..f1c7e84 100644 --- a/include/idzebra/api.h +++ b/include/idzebra/api.h @@ -1,4 +1,4 @@ -/* $Id: api.h,v 1.45 2007-01-17 13:51:36 adam Exp $ +/* $Id: api.h,v 1.46 2007-01-17 15:35:47 adam Exp $ Copyright (C) 1995-2007 Index Data ApS @@ -498,9 +498,9 @@ YAZ_EXPORT ZEBRA_RES zebra_set_limit(ZebraHandle zh, int complement_flag, zint *ids); YAZ_EXPORT -ZEBRA_RES zebra_set_busy_handler(ZebraHandle zh, - int (*f)(void *client_data), - void *client_data); +ZEBRA_RES zebra_set_break_handler(ZebraHandle zh, + int (*f)(void *client_data), + void *client_data); YAZ_END_CDECL diff --git a/include/rset.h b/include/rset.h index 7427147..0c72586 100644 --- a/include/rset.h +++ b/include/rset.h @@ -1,4 +1,4 @@ -/* $Id: rset.h,v 1.62 2007-01-15 20:08:24 adam Exp $ +/* $Id: rset.h,v 1.63 2007-01-17 15:35:47 adam Exp $ Copyright (C) 1995-2007 Index Data ApS @@ -260,6 +260,8 @@ RSET rsisams_create(NMEM nmem, struct rset_key_control *kcontrol, void rset_visit(RSET rset, int level); +void rset_set_hits_limit(RSET rs, zint l); + YAZ_END_CDECL #endif diff --git a/index/index.h b/index/index.h index 7a66bad..8a04b9b 100644 --- a/index/index.h +++ b/index/index.h @@ -1,4 +1,4 @@ -/* $Id: index.h,v 1.193 2007-01-17 13:22:53 adam Exp $ +/* $Id: index.h,v 1.194 2007-01-17 15:35:48 adam Exp $ Copyright (C) 1995-2007 Index Data ApS @@ -234,8 +234,8 @@ struct zebra_session { struct zebra_limit *m_limit; - int (*busy_handler_func)(void *client_data); - void *busy_handler_data; + int (*break_handler_func)(void *client_data); + void *break_handler_data; }; diff --git a/index/zebraapi.c b/index/zebraapi.c index 9f907d0..5805f9f 100644 --- a/index/zebraapi.c +++ b/index/zebraapi.c @@ -1,4 +1,4 @@ -/* $Id: zebraapi.c,v 1.246 2007-01-17 13:51:36 adam Exp $ +/* $Id: zebraapi.c,v 1.247 2007-01-17 15:35:48 adam Exp $ Copyright (C) 1995-2007 Index Data ApS @@ -143,8 +143,8 @@ ZebraHandle zebra_open(ZebraService zs, Res res) zh->m_staticrank = 0; zh->m_segment_indexing = 0; - zh->busy_handler_func = 0; - zh->busy_handler_data = 0; + zh->break_handler_func = 0; + zh->break_handler_data = 0; default_encoding = res_get_def(zh->session_res, "encoding", "ISO-8859-1"); @@ -1024,12 +1024,12 @@ void zebra_set_partial_result(ZebraHandle zh) } -ZEBRA_RES zebra_set_busy_handler(ZebraHandle zh, - int (*f)(void *client_data), - void *client_data) +ZEBRA_RES zebra_set_break_handler(ZebraHandle zh, + int (*f)(void *client_data), + void *client_data) { - zh->busy_handler_func = f; - zh->busy_handler_data = client_data; + zh->break_handler_func = f; + zh->break_handler_data = client_data; return ZEBRA_OK; } diff --git a/index/zebrasrv.c b/index/zebrasrv.c index 47e21cf..6ecbecf 100644 --- a/index/zebrasrv.c +++ b/index/zebrasrv.c @@ -1,4 +1,4 @@ -/* $Id: zebrasrv.c,v 1.8 2007-01-17 13:51:36 adam Exp $ +/* $Id: zebrasrv.c,v 1.9 2007-01-17 15:35:48 adam Exp $ Copyright (C) 1995-2007 Index Data ApS @@ -262,7 +262,7 @@ static void search_terms(ZebraHandle zh, bend_search_rr *r) } -static int busy_handler(void *client_data) +static int break_handler(void *client_data) { bend_association assoc =(bend_association) client_data; if (!bend_assoc_is_alive(assoc)) @@ -283,7 +283,7 @@ int bend_search(void *handle, bend_search_rr *r) zebra_result (zh, &r->errcode, &r->errstring); return 0; } - zebra_set_busy_handler(zh, busy_handler, r->association); + zebra_set_break_handler(zh, break_handler, r->association); yaz_log (YLOG_DEBUG, "ResultSet '%s'", r->setname); switch (r->query->which) { @@ -309,7 +309,7 @@ int bend_search(void *handle, bend_search_rr *r) default: r->errcode = YAZ_BIB1_QUERY_TYPE_UNSUPP; } - zebra_set_busy_handler(zh, 0, 0); + zebra_set_break_handler(zh, 0, 0); return 0; } diff --git a/index/zsets.c b/index/zsets.c index 74a4733..111649d 100644 --- a/index/zsets.c +++ b/index/zsets.c @@ -1,4 +1,4 @@ -/* $Id: zsets.c,v 1.118 2007-01-17 13:22:53 adam Exp $ +/* $Id: zsets.c,v 1.119 2007-01-17 15:35:48 adam Exp $ Copyright (C) 1995-2007 Index Data ApS @@ -936,6 +936,14 @@ ZEBRA_RES resultSetSortSingle(ZebraHandle zh, NMEM nmem, kno++; if (this_sys != psysno) { + if ((sset->hits & 255) == 0 && zh->break_handler_func) + { + if (zh->break_handler_func(zh->break_handler_data)) + { + rset_set_hits_limit(rset, 0); + break; + } + } (sset->hits)++; psysno = this_sys; resultSetInsertSort(zh, sset, @@ -997,7 +1005,6 @@ ZEBRA_RES resultSetRank(ZebraHandle zh, ZebraSet zebraSet, terms = (TERMID *) nmem_malloc(nmem, sizeof(*terms)*n); rset_getterms(rset, terms, n, &numTerms); - rank_class = zebraRankLookup(zh, rank_handler_name); if (!rank_class) { @@ -1011,10 +1018,8 @@ ZEBRA_RES resultSetRank(ZebraHandle zh, ZebraSet zebraSet, struct rank_control *rc = rank_class->control; int score; zint count = 0; - - void *handle = - (*rc->begin) (zh->reg, rank_class->class_handle, rset, nmem, - terms, numTerms); + void *handle = (*rc->begin) (zh->reg, rank_class->class_handle, rset, + nmem, terms, numTerms); zint psysno = 0; /* previous doc id / sys no */ zint pstaticrank = 0; /* previous static rank */ int stop_flag = 0; @@ -1028,20 +1033,16 @@ ZEBRA_RES resultSetRank(ZebraHandle zh, ZebraSet zebraSet, key_logdump_txt(log_level_searchhits, &key, termid->name); if (this_sys != psysno) { /* new record .. */ - if (zh->busy_handler_func) + if (!(rfd->counted_items & 255) && zh->break_handler_func) { - if (zh->busy_handler_func(zh->busy_handler_data)) + if (zh->break_handler_func(zh->break_handler_data)) { - yaz_log(YLOG_LOG, "Session end. Stop search"); - zebraSet->estimated_hit_count = 1; - break; + yaz_log(YLOG_LOG, "Aborted search"); + stop_flag = 1; } } if (rfd->counted_items > rset->hits_limit) - { - zebraSet->estimated_hit_count = 1; - break; - } + stop_flag = 1; if (psysno) { /* only if we did have a previous record */ score = (*rc->calc) (handle, psysno, pstaticrank, @@ -1049,9 +1050,13 @@ ZEBRA_RES resultSetRank(ZebraHandle zh, ZebraSet zebraSet, /* insert the hit. A=Ascending */ resultSetInsertRank (zh, sort_info, psysno, score, 'A'); count++; - if (stop_flag) - break; } + if (stop_flag) + { + zebraSet->estimated_hit_count = 1; + rset_set_hits_limit(rset, 0); + break; + } psysno = this_sys; if (zh->m_staticrank) pstaticrank = key.mem[0]; diff --git a/rset/rset.c b/rset/rset.c index e6cb176..52377bb 100644 --- a/rset/rset.c +++ b/rset/rset.c @@ -1,4 +1,4 @@ -/* $Id: rset.c,v 1.57 2007-01-15 15:10:19 adam Exp $ +/* $Id: rset.c,v 1.58 2007-01-17 15:35:48 adam Exp $ Copyright (C) 1995-2007 Index Data ApS @@ -65,19 +65,43 @@ RSFD rfd_create_base(RSET rs) return rnew; } +static void rset_close_int(RSET rs, RSFD rfd) +{ + RSFD *pfd; + (*rs->control->f_close)(rfd); + + yaz_log(log_level, "rfd_delete_base: rfd=%p rs=%p priv=%p fl=%p", + rfd, rs, rfd->priv, rs->free_list); + for (pfd = &rs->use_list; *pfd; pfd = &(*pfd)->next) + if (*pfd == rfd) + { + *pfd = (*pfd)->next; + rfd->next = rs->free_list; + rs->free_list = rfd; + return; + } + yaz_log(YLOG_WARN, "rset_close handle not found. type=%s", + rs->control->desc); +} + +void rset_set_hits_limit(RSET rs, zint l) +{ + rs->hits_limit = l; +} + /** \brief Closes a result set RFD handle \param rfd the RFD handle. */ void rset_close(RSFD rfd) { - RSFD *pfd; RSET rs = rfd->rset; if (rs->hits_count == 0) { TERMID termid; char buf[100]; + while(rfd->counted_items <= rs->hits_limit && rset_default_read(rfd, buf, &termid)) ; @@ -116,20 +140,7 @@ void rset_close(RSFD rfd) yaz_log(log_level, "rset_close p=%p count=" ZINT_FORMAT, rs, rs->hits_count); } - (*rs->control->f_close)(rfd); - - yaz_log(log_level, "rfd_delete_base: rfd=%p rs=%p priv=%p fl=%p", - rfd, rs, rfd->priv, rs->free_list); - for (pfd = &rs->use_list; *pfd; pfd = &(*pfd)->next) - if (*pfd == rfd) - { - *pfd = (*pfd)->next; - rfd->next = rs->free_list; - rs->free_list = rfd; - return; - } - yaz_log(YLOG_WARN, "rset_close handle not found. type=%s", - rs->control->desc); + rset_close_int(rs, rfd); } /** @@ -261,7 +272,7 @@ zint rset_count(RSET rs) double cur, tot; RSFD rfd = rset_open(rs, 0); rset_pos(rfd, &cur, &tot); - rset_close(rfd); + rset_close_int(rs, rfd); return (zint) tot; }