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Merge 10.0.14 into 10.1
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@@ -1,5 +1,5 @@
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/* Copyright (c) 2005, 2013, Oracle and/or its affiliates.
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Copyright (c) 2009, 2013, Monty Program Ab.
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/* Copyright (c) 2005, 2014, Oracle and/or its affiliates.
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Copyright (c) 2009, 2014, SkySQL Ab.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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@@ -3167,19 +3167,28 @@ uint32 get_partition_id_cols_list_for_endpoint(partition_info *part_info,
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uint num_columns= part_info->part_field_list.elements;
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uint list_index;
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uint min_list_index= 0;
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int cmp;
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/* Notice that max_list_index = last_index + 1 here! */
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uint max_list_index= part_info->num_list_values;
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DBUG_ENTER("get_partition_id_cols_list_for_endpoint");
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/* Find the matching partition (including taking endpoint into account). */
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do
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{
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/* Midpoint, adjusted down, so it can never be > last index. */
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/* Midpoint, adjusted down, so it can never be >= max_list_index. */
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list_index= (max_list_index + min_list_index) >> 1;
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if (cmp_rec_and_tuple_prune(list_col_array + list_index*num_columns,
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nparts, left_endpoint, include_endpoint) > 0)
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cmp= cmp_rec_and_tuple_prune(list_col_array + list_index*num_columns,
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nparts, left_endpoint, include_endpoint);
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if (cmp > 0)
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{
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min_list_index= list_index + 1;
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}
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else
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{
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max_list_index= list_index;
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if (cmp == 0)
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break;
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}
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} while (max_list_index > min_list_index);
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list_index= max_list_index;
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@@ -3196,12 +3205,10 @@ uint32 get_partition_id_cols_list_for_endpoint(partition_info *part_info,
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nparts, left_endpoint,
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include_endpoint)));
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if (!left_endpoint)
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{
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/* Set the end after this list tuple if not already after the last. */
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if (list_index < part_info->num_parts)
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list_index++;
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}
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/* Include the right endpoint if not already passed end of array. */
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if (!left_endpoint && include_endpoint && cmp == 0 &&
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list_index < part_info->num_list_values)
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list_index++;
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DBUG_RETURN(list_index);
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}
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@@ -7573,15 +7580,13 @@ static int cmp_rec_and_tuple_prune(part_column_list_val *val,
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field= val->part_info->part_field_array + n_vals_in_rec;
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if (!(*field))
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{
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/*
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Full match, if right endpoint and not including the endpoint,
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(rec < part) return lesser.
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*/
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if (!is_left_endpoint && !include_endpoint)
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return -4;
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/* Full match. Only equal if including endpoint. */
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if (include_endpoint)
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return 0;
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/* Otherwise they are equal! */
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return 0;
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if (is_left_endpoint)
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return +4; /* Start of range, part_tuple < rec, return higher. */
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return -4; /* End of range, rec < part_tupe, return lesser. */
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}
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/*
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The prefix is equal and there are more partition columns to compare.
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