V2WriteCommand Logical Commands¶

V2WriteCommand is an extension of the UnaryCommand abstraction for unary logical commands that write data out to tables.

Contract¶

isByName¶

isByName: Boolean

Always disabled (false):

• ReplaceData
• WriteDelta

Used when:

• ResolveOutputRelation logical resolution rule is executed (for TableOutputResolver to resolveOutputColumns)

Query¶

query: LogicalPlan

LogicalPlan of the data to be written out

Table¶

table: NamedRelation

NamedRelation of the table to write data to

withNewQuery¶

withNewQuery(
  newQuery: LogicalPlan): V2WriteCommand

Used when:

• ResolveOutputRelation logical analysis rule is executed

withNewTable¶

withNewTable(
  newTable: NamedRelation): V2WriteCommand

Used when:

• ResolveRelations logical analysis rule is executed
• ResolveOutputRelation logical analysis rule is executed

Implementations¶

• AppendData
• OverwriteByExpression
• OverwritePartitionsDynamic
• RowLevelWrite