rymurr commented on a change in pull request #1783:
URL: https://github.com/apache/iceberg/pull/1783#discussion_r534126013
##########
File path:
spark3/src/main/java/org/apache/iceberg/spark/source/IcebergSource.java
##########
@@ -56,48 +61,62 @@ public boolean supportsExternalMetadata() {
}
@Override
- public SparkTable getTable(StructType schema, Transform[] partitioning,
Map<String, String> options) {
- // Get Iceberg table from options
- Configuration conf = SparkSession.active().sessionState().newHadoopConf();
- Table icebergTable = getTableAndResolveHadoopConfiguration(options, conf);
-
- // Build Spark table based on Iceberg table, and return it
- // Eagerly refresh the table before reading to ensure views containing
this table show up-to-date data
- return new SparkTable(icebergTable, schema, true);
+ public Table getTable(StructType schema, Transform[] partitioning,
Map<String, String> options) {
+ String catalogName = extractCatalog(new CaseInsensitiveStringMap(options));
+ Identifier ident = extractIdentifier(new
CaseInsensitiveStringMap(options));
+ CatalogManager catalogManager =
SparkSession.active().sessionState().catalogManager();
+ CatalogPlugin catalog = catalogManager.catalog(catalogName);
+ try {
+ if (catalog instanceof TableCatalog) {
+ return ((TableCatalog) catalog).loadTable(ident);
+ }
+ } catch (NoSuchTableException e) {
+ throw new org.apache.iceberg.exceptions.NoSuchTableException(e, "Cannot
find table for %s.", ident);
+ }
+ throw new org.apache.iceberg.exceptions.NoSuchTableException("Cannot find
table for %s.", ident);
}
- protected Table findTable(Map<String, String> options, Configuration conf) {
+ private Pair<String, TableIdentifier>
tableIdentifier(CaseInsensitiveStringMap options) {
+ CatalogManager catalogManager =
SparkSession.active().sessionState().catalogManager();
+ Namespace defaultNamespace =
Namespace.of(catalogManager.currentNamespace());
Preconditions.checkArgument(options.containsKey("path"), "Cannot open
table: path is not set");
String path = options.get("path");
-
- if (path.contains("/")) {
- HadoopTables tables = new HadoopTables(conf);
- return tables.load(path);
+ List<String> ident;
+ try {
+ ident =
scala.collection.JavaConverters.seqAsJavaList(SparkSession.active().sessionState().sqlParser().parseMultipartIdentifier(path));
+ } catch (ParseException e) {
+ try {
+ ident =
scala.collection.JavaConverters.seqAsJavaList(SparkSession.active().sessionState().sqlParser().parseMultipartIdentifier(String.format("`%s`",
path)));
+ } catch (ParseException ignored) {
+ throw new RuntimeException(e);
+ }
+ }
+ if (ident.size() == 1) {
+ return Pair.of(null, TableIdentifier.of(defaultNamespace, ident.get(0)));
+ } else if (ident.size() == 2) {
+ if (catalogManager.isCatalogRegistered(ident.get(0))) {
+ return Pair.of(ident.get(0), TableIdentifier.of(defaultNamespace,
ident.get(1))); //todo what if path?
Review comment:
ok, makes sense. That also clarifies the todo i left there. Fixed to not
add a default namespace. Does the same logic apply for the case above. If I
pass `items` it will get re-written to `default_catalog.default.items`, should
it only be `default_catalog.items`?
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
[email protected]
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
