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Merge branch '10.2' into 10.3

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This commit is contained in:
Sergei Golubchik
2019-03-29 19:40:56 +01:00
parent a82cfe109c cc71e7501c
commit 4e1d3f83b7
49 changed files with 642 additions and 254 deletions
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10
sql/sql_statistics.cc
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@@ -1058,7 +1058,9 @@ public:
else
{
table_field->collected_stats->min_value->val_str(&val);
stat_field->store(val.ptr(), val.length(), &my_charset_bin);
size_t length= Well_formed_prefix(val.charset(), val.ptr(),
MY_MIN(val.length(), stat_field->field_length)).length();
stat_field->store(val.ptr(), length, &my_charset_bin);
}
break;
case COLUMN_STAT_MAX_VALUE:
@@ -1067,7 +1069,9 @@ public:
else
{
table_field->collected_stats->max_value->val_str(&val);
stat_field->store(val.ptr(), val.length(), &my_charset_bin);
size_t length= Well_formed_prefix(val.charset(), val.ptr(),
MY_MIN(val.length(), stat_field->field_length)).length();
stat_field->store(val.ptr(), length, &my_charset_bin);
}
break;
case COLUMN_STAT_NULLS_RATIO:
@@ -3053,7 +3057,7 @@ int read_statistics_for_table(THD *thd, TABLE *table, TABLE_LIST *stat_tables)
}
}
}
table->stats_is_read= TRUE;
DBUG_RETURN(0);