@Override
public List<QualifiedTableName> listTables(QualifiedTablePrefix prefix) {
checkNotNull(prefix, "prefix is null");
String schemaNameOrNull = prefix.getSchemaName().orNull();
LinkedHashSet<QualifiedTableName> tables = new LinkedHashSet<>();
for (ConnectorMetadataEntry entry : allConnectorsFor(prefix.getCatalogName())) {
for (QualifiedTableName tableName :
transform(
entry.getMetadata().listTables(schemaNameOrNull),
convertFromSchemaTableName(prefix.getCatalogName()))) {
tables.add(tableName);
}
}
return ImmutableList.copyOf(tables);
}
@Override
public Map<QualifiedTableName, List<ColumnMetadata>> listTableColumns(
QualifiedTablePrefix prefix) {
checkNotNull(prefix, "prefix is null");
LinkedHashMap<QualifiedTableName, List<ColumnMetadata>> tableColumns = new LinkedHashMap<>();
for (ConnectorMetadataEntry connectorMetadata : allConnectorsFor(prefix.getCatalogName())) {
for (Entry<SchemaTableName, List<ColumnMetadata>> entry :
connectorMetadata
.getMetadata()
.listTableColumns(prefix.asSchemaTablePrefix())
.entrySet()) {
QualifiedTableName tableName =
new QualifiedTableName(
prefix.getCatalogName(),
entry.getKey().getSchemaName(),
entry.getKey().getTableName());
if (!tableColumns.containsKey(tableName)) {
tableColumns.put(tableName, entry.getValue());
}
}
}
return ImmutableMap.copyOf(tableColumns);
}
