DdlCommandExec¶

Creating Instance¶

DdlCommandExec takes the following to be created:

MutableMetaStore

DdlCommandExec is created along with EngineContext.

Executing DDL Command¶

DdlCommandResult execute(
  String sql,
  DdlCommand ddlCommand,
  boolean withQuery,
  Set<SourceName> withQuerySources) // (1)!
DdlCommandResult execute(
  String sql,
  DdlCommand ddlCommand,
  boolean withQuery,
  Set<SourceName> withQuerySources,
  boolean restoreInProgress)

Turns restoreInProgress off (false)

execute creates an Executor to execute the given DdlCommand.

execute is used when:

EngineContext is requested to execute a DDL command