Examples with StatementRoutingEngine io.shardingjdbc.core.routing.StatementRoutingEngine used on opensource projects

Example 1 with StatementRoutingEngine

use of io.shardingjdbc.core.routing.StatementRoutingEngine in project sharding-jdbc by shardingjdbc.

the class ShardingStatement method generateExecutor.

private StatementExecutor generateExecutor(final String sql) throws SQLException {
    clearPrevious();
    ShardingContext shardingContext = connection.getShardingContext();
    routeResult = new StatementRoutingEngine(shardingContext.getShardingRule(), shardingContext.getDatabaseType(), shardingContext.isShowSQL()).route(sql);
    Collection<StatementUnit> statementUnits = new LinkedList<>();
    for (SQLExecutionUnit each : routeResult.getExecutionUnits()) {
        Collection<Connection> connections;
        SQLType sqlType = routeResult.getSqlStatement().getType();
        if (SQLType.DDL == sqlType) {
            connections = connection.getConnectionsForDDL(each.getDataSource());
        } else {
            connections = Collections.singletonList(connection.getConnection(each.getDataSource(), routeResult.getSqlStatement().getType()));
        }
        for (Connection connection : connections) {
            Statement statement = connection.createStatement(resultSetType, resultSetConcurrency, resultSetHoldability);
            replayMethodsInvocation(statement);
            statementUnits.add(new StatementUnit(each, statement));
            routedStatements.add(statement);
        }
    }
    return new StatementExecutor(connection.getShardingContext().getExecutorEngine(), routeResult.getSqlStatement().getType(), statementUnits);
}