Examples with TableFactory org.apache.calcite.schema.TableFactory used on opensource projects

Example 1 with TableFactory

use of org.apache.calcite.schema.TableFactory in project calcite by apache.

the class ModelHandler method visit.

public void visit(JsonCustomTable jsonTable) {
    try {
        checkRequiredAttributes(jsonTable, "name", "factory");
        final SchemaPlus schema = currentMutableSchema("table");
        final TableFactory tableFactory = AvaticaUtils.instantiatePlugin(TableFactory.class, jsonTable.factory);
        final Table table = tableFactory.create(schema, jsonTable.name, operandMap(null, jsonTable.operand), null);
        for (JsonColumn column : jsonTable.columns) {
            column.accept(this);
        }
        schema.add(jsonTable.name, table);
    } catch (Exception e) {
        throw new RuntimeException("Error instantiating " + jsonTable, e);
    }
}