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Merge pull request #1126 from drrtuy/MCOL-3903_1_4

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MCOL-3903 Enable Select Handler to run query part of INSERT..SELECT.
Conflicts:
	dbcon/mysql/ha_mcs_pushdown.cpp
This commit is contained in:
Gagan Goel
2020-03-30 17:59:11 -04:00
committed by Patrick LeBlanc
parent 3d5d113a84
commit 6d9544a15e
11 changed files with 201 additions and 335 deletions
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16
dbcon/mysql/ha_mcs_pushdown.cpp
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@@ -787,21 +787,9 @@ create_columnstore_select_handler(THD* thd, SELECT_LEX* select_lex)
return handler;
}
// Remove this in 1.4.3
// Save the original group_list as it can be mutated by the
// optimizer which calls the remove_const() function
Group_list_ptrs *group_list_ptrs = NULL;
if (save_group_list(thd, select_lex, &group_list_ptrs))
{
return handler;
}
// Select_handler use the short-cut that effectively disables
// INSERT..SELECT, LDI, SELECT..INTO OUTFILE
// Select_handler couldn't properly process UPSERT..SELECT
if ((thd->lex)->sql_command == SQLCOM_INSERT_SELECT
|| (thd->lex)->sql_command == SQLCOM_CREATE_TABLE
|| (thd->lex)->exchange)
&& thd->lex->duplicates == DUP_UPDATE)
{
return handler;
}