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MCOL-783 Check for recursive cte against all tables in the query.

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This commit is contained in:
David Hall
2017-10-09 15:32:36 -05:00
parent ff76412f68
commit cc9edcb54f
1 changed files with 10 additions and 10 deletions
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20
dbcon/mysql/ha_calpont_execplan.cpp
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@ -4809,16 +4809,6 @@ int getSelectPlan(gp_walk_info& gwi, SELECT_LEX& select_lex, SCSEP& csep, bool i
return ER_CHECK_NOT_IMPLEMENTED; return ER_CHECK_NOT_IMPLEMENTED;
} }
// Until we handle recursive cte:
With_clause* with_clause = select_lex.get_with_clause();
if (with_clause && with_clause->with_recursive)
{
gwi.fatalParseError = true;
gwi.parseErrorText = "Recursive CTE";
setError(gwi.thd, ER_CHECK_NOT_IMPLEMENTED, gwi.parseErrorText, gwi);
return ER_CHECK_NOT_IMPLEMENTED;
}
gwi.internalDecimalScale = (gwi.thd->variables.infinidb_use_decimal_scale ? gwi.thd->variables.infinidb_decimal_scale : -1); gwi.internalDecimalScale = (gwi.thd->variables.infinidb_use_decimal_scale ? gwi.thd->variables.infinidb_decimal_scale : -1);
gwi.subSelectType = csep->subType(); gwi.subSelectType = csep->subType();
@ -4893,6 +4883,16 @@ int getSelectPlan(gp_walk_info& gwi, SELECT_LEX& select_lex, SCSEP& csep, bool i
if (string(table_ptr->table_name).find("$vtable") != string::npos) if (string(table_ptr->table_name).find("$vtable") != string::npos)
continue; continue;
// Until we handle recursive cte:
// Checking here ensures we catch all with clauses in the query.
if (table_ptr->is_recursive_with_table())
{
gwi.fatalParseError = true;
gwi.parseErrorText = "Recursive CTE";
setError(gwi.thd, ER_CHECK_NOT_IMPLEMENTED, gwi.parseErrorText, gwi);
return ER_CHECK_NOT_IMPLEMENTED;
}
string viewName = getViewName(table_ptr); string viewName = getViewName(table_ptr);
// @todo process from subquery // @todo process from subquery