Examples with TridentStreamInsertRel org.apache.storm.sql.planner.trident.rel.TridentStreamInsertRel used on opensource projects

Example 1 with TridentStreamInsertRel

use of org.apache.storm.sql.planner.trident.rel.TridentStreamInsertRel in project storm by apache.

the class TridentModifyRule method convert.

@Override
public RelNode convert(RelNode rel) {
    final TableModify tableModify = (TableModify) rel;
    final RelNode input = tableModify.getInput();
    final RelOptCluster cluster = tableModify.getCluster();
    final RelTraitSet traitSet = tableModify.getTraitSet().replace(TridentLogicalConvention.INSTANCE);
    final RelOptTable relOptTable = tableModify.getTable();
    final Prepare.CatalogReader catalogReader = tableModify.getCatalogReader();
    final RelNode convertedInput = convert(input, input.getTraitSet().replace(TridentLogicalConvention.INSTANCE));
    final TableModify.Operation operation = tableModify.getOperation();
    final List<String> updateColumnList = tableModify.getUpdateColumnList();
    final List<RexNode> sourceExpressionList = tableModify.getSourceExpressionList();
    final boolean flattened = tableModify.isFlattened();
    final Table table = tableModify.getTable().unwrap(Table.class);
    switch(table.getJdbcTableType()) {
        case STREAM:
            if (operation != TableModify.Operation.INSERT) {
                throw new UnsupportedOperationException(String.format("Streams doesn't support %s modify operation", operation));
            }
            return new TridentStreamInsertRel(cluster, traitSet, relOptTable, catalogReader, convertedInput, operation, updateColumnList, sourceExpressionList, flattened);
        default:
            throw new IllegalArgumentException(String.format("Unsupported table type: %s", table.getJdbcTableType()));
    }
}