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#include "queryexecutordatasources.h"
#include "parser/ast/sqliteselect.h"
#include "selectresolver.h"
#include <QDebug>
bool QueryExecutorDataSources::exec()
{
SqliteSelectPtr select = getSelect();
if (!select || select->explain)
return true;
if (select->coreSelects.size() > 1) // compound selects might have different collection of tables
return true;
if (select->coreSelects.first()->valuesMode)
return true;
SelectResolver resolver(db, select->tokens.detokenize(), context->dbNameToAttach);
resolver.resolveMultiCore = false; // multicore subselects result in not editable columns, skip them
SqliteSelect::Core* core = select->coreSelects.first();
QSet<SelectResolver::Table> tables = resolver.resolveTables(core);
for (const SelectResolver::Table& resolvedTable : tables)
{
if (resolvedTable.flags & SelectResolver::FROM_CTE_SELECT)
continue;
QueryExecutor::SourceTablePtr table = QueryExecutor::SourceTablePtr::create();
table->database = resolvedTable.database;
table->table = resolvedTable.table;
table->alias = resolvedTable.tableAlias;
context->sourceTables << table;
}
return true;
}
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