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Merge branch '10.2' into 10.3

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This commit is contained in:
Sergei Golubchik
2019-03-17 13:06:41 +01:00
parent a89ee3cd15 1f020299f8
commit b64fde8f38
147 changed files with 1449 additions and 781 deletions
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19
sql/sql_class.cc
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@ -2586,17 +2586,15 @@ CHANGED_TABLE_LIST* THD::changed_table_dup(const char *key, size_t key_length)
}
void THD::prepare_explain_fields(select_result *result,
List<Item> *field_list,
uint8 explain_flags,
bool is_analyze)
int THD::prepare_explain_fields(select_result *result, List<Item> *field_list,
uint8 explain_flags, bool is_analyze)
{
if (lex->explain_json)
make_explain_json_field_list(*field_list, is_analyze);
else
make_explain_field_list(*field_list, explain_flags, is_analyze);
result->prepare(*field_list, NULL);
return result->prepare(*field_list, NULL);
}
@ -2606,11 +2604,10 @@ int THD::send_explain_fields(select_result *result,
{
List<Item> field_list;
int rc;
prepare_explain_fields(result, &field_list, explain_flags, is_analyze);
rc= result->send_result_set_metadata(field_list,
Protocol::SEND_NUM_ROWS |
Protocol::SEND_EOF);
return(rc);
rc= prepare_explain_fields(result, &field_list, explain_flags, is_analyze) ||
result->send_result_set_metadata(field_list, Protocol::SEND_NUM_ROWS |
Protocol::SEND_EOF);
return rc;
}
@ -2685,7 +2682,7 @@ void THD::make_explain_field_list(List<Item> &field_list, uint8 explain_flags,
if (is_analyze)
{
field_list.push_back(item= new (mem_root)
Item_float(this, "r_rows", 0.1234, 10, 4),
Item_float(this, "r_rows", 0.1234, 2, 4),
mem_root);
item->maybe_null=1;
}