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MCOL-3903 Enable Select Handler to run query part of INSERT..SELECT.

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Original SH implementation sends the result set back to the client
thus it can't be used in INSERT..SELECT, SELECT INTO OUTFILE,CREATE
TABLE AS SELECT etc.
CLX-77 feature has been backported into MDB to enable SH to run
query part of the mentioned queries.
This commit is contained in:
Roman Nozdrin
2020-03-26 10:19:27 +00:00
parent 4752f5440f
commit ab2003baaa
11 changed files with 201 additions and 325 deletions
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2
dbcon/mysql/ha_mcs_impl.cpp
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@ -1780,7 +1780,7 @@ uint32_t doUpdateDelete(THD* thd, gp_walk_info& gwi)
gwi.clauseType = WHERE;
if (getSelectPlan(gwi, select_lex, updateCP, false, true) != 0) //@Bug 3030 Modify the error message for unsupported functions
if (getSelectPlan(gwi, select_lex, updateCP, false) != 0) //@Bug 3030 Modify the error message for unsupported functions
{
if (gwi.cs_vtable_is_update_with_derive)
{