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[SPARK-28341][SQL] create a public API for V2SessionCatalog #25104

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[SPARK-28341][SQL] create a public API for V2SessionCatalog #25104

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ffc391b
create a public API for v2 session catalog
cloud-fan Aug 22, 2019
efe6f9c
address comments
cloud-fan Aug 30, 2019
a19943f
fix test
cloud-fan Aug 30, 2019
1d9f155
address comments
cloud-fan Sep 5, 2019
155c37f
add Experimental
cloud-fan Sep 5, 2019
75e2ca7
Merge remote-tracking branch 'origin/master' into session-catalog
cloud-fan Sep 5, 2019
f89f25a
fix tests
cloud-fan Sep 5, 2019
494e031
fix test
cloud-fan Sep 5, 2019
8240062
Merge remote-tracking branch 'origin/master' into session-catalog
cloud-fan Sep 6, 2019
05db860
add error log
cloud-fan Sep 9, 2019
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add error log
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@cloud-fan
cloud-fan committed Sep 9, 2019
commit 05db8602d0ef8c98f0f4d70ef8a4d67bb3f73692
11 changes: 6 additions & 5 deletions sql/catalyst/src/main/scala/org/apache/spark/sql/catalog/v2/CatalogManager.scala
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Expand Up @@ -63,15 +63,16 @@ class CatalogManager(conf: SQLConf, defaultSessionCatalog: TableCatalog) extends
// If the V2_SESSION_CATALOG config is specified, we try to instantiate the user-specified v2
// session catalog. Otherwise, return the default session catalog.
def v2SessionCatalog: CatalogPlugin = {
if (conf.getConf(SQLConf.V2_SESSION_CATALOG).isDefined) {
conf.getConf(SQLConf.V2_SESSION_CATALOG).map { customV2SessionCatalog =>
try {
catalogs.getOrElseUpdate(CatalogManager.SESSION_CATALOG_NAME, loadV2SessionCatalog())
} catch {
case NonFatal(_) => defaultSessionCatalog
case NonFatal(_) =>
logError(
"Fail to instantiate the custom v2 session catalog: " + customV2SessionCatalog)
defaultSessionCatalog
}
} else {
defaultSessionCatalog
}
}.getOrElse(defaultSessionCatalog)
}

private def getDefaultNamespace(c: CatalogPlugin) = c match {
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