wgy8283335 commented on issue #7531:
URL: https://github.com/apache/shardingsphere/issues/7531#issuecomment-726438959
I've move checkSubqueryShardingValues() to ShardingSQLRouter.java. but the
check of sharding conditions is deprecated, as shardingConditions is not in the
input parameters of preValidate().
```
public final class ShardingSelectStatementValidator extends
ShardingDMLStatementValidator<SelectStatement> {
@Override
public void preValidate(final ShardingRule shardingRule, final
SQLStatementContext<SelectStatement> sqlStatementContext,
final List<Object> parameters, final
ShardingSphereSchema schema) {
for (String each :
sqlStatementContext.getTablesContext().getTableNames()) {
Optional<TableRule> tableRule = shardingRule.findTableRule(each);
if (tableRule.isPresent() && isRoutingByHint(shardingRule,
tableRule.get())
&& !HintManager.getDatabaseShardingValues(each).isEmpty() &&
!HintManager.getTableShardingValues(each).isEmpty()) {
return;
}
}
}
@Override
public void postValidate(final SelectStatement sqlStatement, final
RouteContext routeContext) {
}
private boolean isRoutingByHint(final ShardingRule shardingRule, final
TableRule tableRule) {
return
shardingRule.getDatabaseShardingStrategyConfiguration(tableRule) instanceof
HintShardingStrategyConfiguration
&& shardingRule.getTableShardingStrategyConfiguration(tableRule)
instanceof HintShardingStrategyConfiguration;
}
}
```
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