kbendick commented on a change in pull request #3543:
URL: https://github.com/apache/iceberg/pull/3543#discussion_r766271071
##########
File path:
spark/v3.2/spark/src/main/java/org/apache/iceberg/spark/SparkCatalog.java
##########
@@ -383,14 +390,52 @@ public boolean dropNamespace(String[] namespace) throws
NoSuchNamespaceException
@Override
public final void initialize(String name, CaseInsensitiveStringMap options) {
- this.cacheEnabled =
Boolean.parseBoolean(options.getOrDefault("cache-enabled", "true"));
- Catalog catalog = buildIcebergCatalog(name, options);
+ this.cacheEnabled = PropertyUtil.propertyAsBoolean(options,
+ CatalogProperties.TABLE_CACHE_ENABLED,
CatalogProperties.TABLE_CACHE_ENABLED_DEFAULT);
+
+ // If the user disabled caching and did not set the
cache.expiration-interval-ms, we'll set it to zero for
+ // them on their behalf. If they disabled caching but explicitly set a
non-zero cache expiration
+ // interval, we will fail initialization as that's an invalid
configuration.
+ long defaultCacheExpirationInterval =
+ cacheEnabled ?
CatalogProperties.TABLE_CACHE_EXPIRATION_INTERVAL_MS_DEFAULT : 0L;
+
+ this.cacheExpirationIntervalMs = PropertyUtil.propertyAsLong(options,
+ CatalogProperties.TABLE_CACHE_EXPIRATION_INTERVAL_MS,
+ defaultCacheExpirationInterval);
+
+ // Normalize usage of -1 to 0 as we'll call Duration.ofMillis on this
value.
+ if (cacheExpirationIntervalMs < 0) {
Review comment:
To allow for `-1` to mean off. Symmetry with how Spark’s config is
designed.
We don't need to keep that though. It makes instantiating a negative
Duration too easy.
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