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Viewing changes to storage/innobase/pars/pars0opt.c

  • Committer: Brian Aker
  • Date: 2008-09-04 19:31:00 UTC
  • Revision ID: brian@tangent.org-20080904193100-l849hgghfy4urj43
Changing default character set from this point on.

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Lines of Context:
storage/innobase/pars/pars0opt.c
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        if (goodness >= 4 * dict_index_get_n_unique(index)) {
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                goodness += 1024;
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                if (dict_index_is_clust(index)) {
 
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                if (index->type & DICT_CLUSTERED) {
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                        goodness += 1024;
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                }
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        }
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        /* We have to test for goodness here, as last_op may note be set */
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        if (goodness && dict_index_is_clust(index)) {
 
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        if (goodness && index->type & DICT_CLUSTERED) {
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                goodness++;
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        }
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                                                   best_last_op);
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        }
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        if (dict_index_is_clust(best_index)
 
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        if ((best_index->type & DICT_CLUSTERED)
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            && (plan->n_exact_match >= dict_index_get_n_unique(best_index))) {
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                plan->unique_search = TRUE;
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indirection to point to the occurrence in the column list, except if the
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column occurrence we are looking at is in the column list, in which case
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nothing is done. */
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UNIV_INTERN
 
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void
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opt_find_all_cols(
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/*==============*/
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        sym_node->field_nos[SYM_CLUST_FIELD_NO] = dict_index_get_nth_col_pos(
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                dict_table_get_first_index(index->table), sym_node->col_no);
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        if (!dict_index_is_clust(index)) {
 
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        if (!(index->type & DICT_CLUSTERED)) {
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                ut_a(plan);
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        plan->no_prefetch = FALSE;
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        if (dict_index_is_clust(index)) {
 
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        if (index->type & DICT_CLUSTERED) {
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                plan->clust_map = NULL;
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                plan->clust_ref = NULL;
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Optimizes a select. Decides which indexes to tables to use. The tables
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are accessed in the order that they were written to the FROM part in the
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select statement. */
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UNIV_INTERN
 
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void
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opt_search_plan(
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/*============*/
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/************************************************************************
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Prints info of a query plan. */
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UNIV_INTERN
 
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void
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opt_print_query_plan(
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/*=================*/