private void generateMergeContext(final MergeContext mergeContext) {
mergeContext
.getAggregationColumns()
.add(
new AggregationColumn(
"COUNT(id)", AggregationType.COUNT, Optional.of("c"), Optional.<String>absent()));
mergeContext.getOrderByColumns().add(new OrderByColumn("id", "a", OrderByType.DESC));
mergeContext.getGroupByColumns().add(new GroupByColumn("id", "d", OrderByType.ASC));
mergeContext.setLimit(new Limit(0, 10));
}
private StatementExecutor generateExecutor(final String sql) throws SQLException {
StatementExecutor result =
new StatementExecutor(shardingConnection.getShardingContext().getExecutorEngine());
SQLRouteResult sqlRouteResult =
shardingConnection
.getShardingContext()
.getSqlRouteEngine()
.route(sql, Collections.emptyList());
mergeContext = sqlRouteResult.getMergeContext();
mergeContext.setExecutorEngine(shardingConnection.getShardingContext().getExecutorEngine());
for (SQLExecutionUnit each : sqlRouteResult.getExecutionUnits()) {
result.addStatement(
new StatementExecutorWrapper(
generateStatement(each.getSql(), each.getDataSource()), each));
}
return result;
}