yuqi1129 commented on code in PR #9201:
URL: https://github.com/apache/gravitino/pull/9201#discussion_r2554977279
##########
lance/lance-rest-server/src/main/java/org/apache/gravitino/lance/service/rest/LanceTableOperations.java:
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@@ -191,6 +193,45 @@ public Response deregisterTable(
}
}
+ @POST
+ @Path("/exists")
+ @Timed(name = "table-exists." + MetricNames.HTTP_PROCESS_DURATION, absolute
= true)
+ @ResponseMetered(name = "table-exists", absolute = true)
+ public Response tableExists(
+ @PathParam("id") String tableId,
+ @QueryParam("delimiter") @DefaultValue("$") String delimiter,
+ @Context HttpHeaders headers,
+ TableExistsRequest tableExistsRequest) {
+ try {
+ // True if exists, false no found and other errors
+ boolean exists = lanceNamespace.asTableOps().tableExists(tableId,
delimiter);
+ if (exists) {
+ return Response.status(Response.Status.OK).build();
+ }
+ return Response.status(Response.Status.NOT_FOUND).build();
Review Comment:
In the Lance REST spec, dropping a non-existent table will throw an
exception, which is different from that in the Gravitino server.
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