Examples with BeamCalciteSchema org.apache.beam.sdk.extensions.sql.impl.BeamCalciteSchema used on opensource projects

Example 1 with BeamCalciteSchema

use of org.apache.beam.sdk.extensions.sql.impl.BeamCalciteSchema in project beam by apache.

the class SqlDropObject method execute.

@Override
public void execute(CalcitePrepare.Context context) {
    final List<String> path = context.getDefaultSchemaPath();
    CalciteSchema schema = context.getRootSchema();
    for (String p : path) {
        schema = schema.getSubSchema(p, true);
        if (schema == null) {
            throw new AssertionError(String.format("Got null sub-schema for path '%s' in %s", p, path));
        }
    }
    final boolean existed;
    switch(getKind()) {
        case DROP_TABLE:
            if (schema.schema instanceof BeamCalciteSchema) {
                BeamCalciteSchema beamSchema = (BeamCalciteSchema) schema.schema;
                beamSchema.getTableProvider().dropTable(name.getSimple());
                existed = true;
            } else {
                existed = schema.removeTable(name.getSimple());
            }
            if (!existed && !ifExists) {
                throw SqlUtil.newContextException(name.getParserPosition(), RESOURCE.tableNotFound(name.getSimple()));
            }
            break;
        default:
            throw new AssertionError(getKind());
    }
}

Example 2 with BeamCalciteSchema

use of org.apache.beam.sdk.extensions.sql.impl.BeamCalciteSchema in project beam by apache.

the class SqlSetOptionBeam method execute.

@Override
public void execute(CalcitePrepare.Context context) {
    final SqlIdentifier name = getName();
    final SqlNode value = getValue();
    final Pair<CalciteSchema, String> pair = SqlDdlNodes.schema(context, true, name);
    if (!(pair.left.schema instanceof BeamCalciteSchema)) {
        throw SqlUtil.newContextException(name.getParserPosition(), RESOURCE.internal("Schema is not instanceof BeamCalciteSchema"));
    }
    BeamCalciteSchema schema = (BeamCalciteSchema) pair.left.schema;
    if (value != null) {
        schema.setPipelineOption(pair.right, SqlDdlNodes.getString(value));
    } else if ("ALL".equals(pair.right)) {
        schema.removeAllPipelineOptions();
    } else {
        schema.removePipelineOption(pair.right);
    }
}

Example 3 with BeamCalciteSchema

use of org.apache.beam.sdk.extensions.sql.impl.BeamCalciteSchema in project beam by apache.

the class SqlCreateExternalTable method execute.

@Override
public void execute(CalcitePrepare.Context context) {
    final Pair<CalciteSchema, String> pair = SqlDdlNodes.schema(context, true, name);
    if (pair.left.plus().getTable(pair.right) != null) {
        // Table exists.
        if (!ifNotExists) {
            // They did not specify IF NOT EXISTS, so give error.
            throw SqlUtil.newContextException(name.getParserPosition(), RESOURCE.tableExists(pair.right));
        }
        return;
    }
    // Table does not exist. Create it.
    if (!(pair.left.schema instanceof BeamCalciteSchema)) {
        throw SqlUtil.newContextException(name.getParserPosition(), RESOURCE.internal("Schema is not instanceof BeamCalciteSchema"));
    }
    BeamCalciteSchema schema = (BeamCalciteSchema) pair.left.schema;
    schema.getTableProvider().createTable(toTable());
}