emkornfield commented on code in PR #38385:
URL: https://github.com/apache/arrow/pull/38385#discussion_r1394628935
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format/FlightSql.proto:
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@@ -1779,9 +1796,60 @@ message CommandPreparedStatementUpdate {
}
/*
- * Returned from the RPC call DoPut when a CommandStatementUpdate
- * CommandPreparedStatementUpdate was in the request, containing
- * results from the update.
+ * Represents a bulk ingestion request. Used in the command member of
FlightDescriptor
+ * for the the RPC call DoPut to cause the server load the contents of the
stream's
+ * FlightData into the target destination.
+ */
+message CommandStatementIngest {
+ option (experimental) = true;
+
+ // Describes the behavior for loading bulk data.
+ enum IngestMode {
+ // Ingestion behavior unspecified.
+ INGEST_MODE_UNSPECIFIED = 0;
+ // Create the target table. Fail if the target table already exists.
+ INGEST_MODE_CREATE = 1;
+ // Append to an existing target table. Fail if the target table does not
exist.
+ INGEST_MODE_APPEND = 2;
+ // Drop the target table if it exists. Then follow INGEST_MODE_CREATE
behavior.
+ INGEST_MODE_REPLACE = 3;
+ // Create the target table if it does not exist. Then follow
INGEST_MODE_APPEND behavior.
+ INGEST_MODE_CREATE_APPEND = 4;
+ }
+
+ // The ingestion behavior.
+ IngestMode mode = 1;
+ // The table to load data into.
+ string table = 2;
+ // The db_schema of the destination table to load data into. If unset, a
backend-specific default may be used.
+ optional string schema = 3;
+ // The catalog of the destination table to load data into. If unset, a
backend-specific default may be used.
+ optional string catalog = 4;
+ /*
+ * Store ingested data in a temporary table.
+ * Leaving temporary unspecified is equivalent to temporary=false.
+ * The effect of setting temporary depends on the choice of IngestMode:
Review Comment:
did you consider modelling this as two separate enums:
- Behavior on non-existing table.
- behavior on existing table.
?
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