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Example 6 with ConnectorMetadata

use of io.trino.spi.connector.ConnectorMetadata in project trino by trinodb.

the class MetadataManager method listRoles.

@Override
public Set<String> listRoles(Session session, Optional<String> catalog) {
    if (catalog.isPresent()) {
        Optional<CatalogMetadata> catalogMetadata = getOptionalCatalogMetadata(session, catalog.get());
        if (catalogMetadata.isEmpty()) {
            return ImmutableSet.of();
        }
        // instead of returning nothing, so information schema role tables will work properly
        if (catalogMetadata.get().getSecurityManagement() == SecurityManagement.CONNECTOR) {
            CatalogName catalogName = catalogMetadata.get().getCatalogName();
            ConnectorSession connectorSession = session.toConnectorSession(catalogName);
            ConnectorMetadata metadata = catalogMetadata.get().getMetadataFor(session, catalogName);
            return metadata.listRoles(connectorSession).stream().map(role -> role.toLowerCase(ENGLISH)).collect(toImmutableSet());
        }
    }
    return systemSecurityMetadata.listRoles(session);
}
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Example 7 with ConnectorMetadata

use of io.trino.spi.connector.ConnectorMetadata in project trino by trinodb.

the class MetadataManager method applyLimit.

@Override
public Optional<LimitApplicationResult<TableHandle>> applyLimit(Session session, TableHandle table, long limit) {
    CatalogName catalogName = table.getCatalogName();
    ConnectorMetadata metadata = getMetadata(session, catalogName);
    ConnectorSession connectorSession = session.toConnectorSession(catalogName);
    return metadata.applyLimit(connectorSession, table.getConnectorHandle(), limit).map(result -> new LimitApplicationResult<>(new TableHandle(catalogName, result.getHandle(), table.getTransaction()), result.isLimitGuaranteed(), result.isPrecalculateStatistics()));
}
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Example 8 with ConnectorMetadata

use of io.trino.spi.connector.ConnectorMetadata in project trino by trinodb.

the class MetadataManager method applyFilter.

@Override
public Optional<ConstraintApplicationResult<TableHandle>> applyFilter(Session session, TableHandle table, Constraint constraint) {
    CatalogName catalogName = table.getCatalogName();
    ConnectorMetadata metadata = getMetadata(session, catalogName);
    ConnectorSession connectorSession = session.toConnectorSession(catalogName);
    return metadata.applyFilter(connectorSession, table.getConnectorHandle(), constraint).map(result -> result.transform(handle -> new TableHandle(catalogName, handle, table.getTransaction())));
}
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Example 9 with ConnectorMetadata

use of io.trino.spi.connector.ConnectorMetadata in project trino by trinodb.

the class MetadataManager method getTableHandle.

@Override
public Optional<TableHandle> getTableHandle(Session session, QualifiedObjectName table, Optional<TableVersion> startVersion, Optional<TableVersion> endVersion) {
    requireNonNull(table, "table is null");
    if (table.getCatalogName().isEmpty() || table.getSchemaName().isEmpty() || table.getObjectName().isEmpty()) {
        // Table cannot exist
        return Optional.empty();
    }
    return getOptionalCatalogMetadata(session, table.getCatalogName()).flatMap(catalogMetadata -> {
        CatalogName catalogName = catalogMetadata.getConnectorId(session, table);
        ConnectorMetadata metadata = catalogMetadata.getMetadataFor(session, catalogName);
        ConnectorSession connectorSession = session.toConnectorSession(catalogName);
        // GetTableHandle with the optional version handle field will throw an error if it is not implemented, so only try calling it when we have a version
        if (startVersion.isPresent() || endVersion.isPresent()) {
            ConnectorTableHandle versionedTableHandle = metadata.getTableHandle(connectorSession, table.asSchemaTableName(), toConnectorVersion(startVersion), toConnectorVersion(endVersion));
            return Optional.ofNullable(versionedTableHandle).map(connectorTableHandle -> new TableHandle(catalogName, connectorTableHandle, catalogMetadata.getTransactionHandleFor(catalogName)));
        }
        return Optional.ofNullable(metadata.getTableHandle(connectorSession, table.asSchemaTableName())).map(connectorTableHandle -> new TableHandle(catalogName, connectorTableHandle, catalogMetadata.getTransactionHandleFor(catalogName)));
    });
}
Also used : CatalogName(io.trino.connector.CatalogName) ConnectorSession(io.trino.spi.connector.ConnectorSession) ConnectorOutputTableHandle(io.trino.spi.connector.ConnectorOutputTableHandle) ConnectorTableHandle(io.trino.spi.connector.ConnectorTableHandle) ConnectorInsertTableHandle(io.trino.spi.connector.ConnectorInsertTableHandle) ConnectorMetadata(io.trino.spi.connector.ConnectorMetadata) ConnectorTableHandle(io.trino.spi.connector.ConnectorTableHandle)

Example 10 with ConnectorMetadata

use of io.trino.spi.connector.ConnectorMetadata in project trino by trinodb.

the class MetadataManager method validateScan.

@Override
public void validateScan(Session session, TableHandle table) {
    CatalogName catalogName = table.getCatalogName();
    ConnectorMetadata metadata = getMetadata(session, catalogName);
    metadata.validateScan(session.toConnectorSession(catalogName), table.getConnectorHandle());
}
Also used : CatalogName(io.trino.connector.CatalogName) ConnectorMetadata(io.trino.spi.connector.ConnectorMetadata)

Aggregations

ConnectorMetadata (io.trino.spi.connector.ConnectorMetadata)190 CatalogName (io.trino.connector.CatalogName)101 ConnectorSession (io.trino.spi.connector.ConnectorSession)97 ConnectorTableHandle (io.trino.spi.connector.ConnectorTableHandle)70 Test (org.testng.annotations.Test)63 TestingConnectorSession (io.trino.testing.TestingConnectorSession)52 SchemaTableName (io.trino.spi.connector.SchemaTableName)48 CatalogSchemaTableName (io.trino.spi.connector.CatalogSchemaTableName)43 ColumnHandle (io.trino.spi.connector.ColumnHandle)40 ConnectorOutputTableHandle (io.trino.spi.connector.ConnectorOutputTableHandle)32 ConnectorTableMetadata (io.trino.spi.connector.ConnectorTableMetadata)32 ConnectorInsertTableHandle (io.trino.spi.connector.ConnectorInsertTableHandle)31 Constraint (io.trino.spi.connector.Constraint)31 MaterializedResult (io.trino.testing.MaterializedResult)27 HiveColumnHandle.bucketColumnHandle (io.trino.plugin.hive.HiveColumnHandle.bucketColumnHandle)26 ColumnMetadata (io.trino.spi.connector.ColumnMetadata)26 TrinoException (io.trino.spi.TrinoException)23 Slice (io.airlift.slice.Slice)22 ConnectorTransactionHandle (io.trino.spi.connector.ConnectorTransactionHandle)21 SchemaTablePrefix (io.trino.spi.connector.SchemaTablePrefix)20