Test return values and error conditions

[krlmlr]

• dbBind(): input result (invisibly)
• dbClearResult(): TRUE
• dbColumnInfo(): a data frame with three columns (Think about columns in dbColumnInfo() output DBI#78)
• dbConnect()
• dbDataType()
• dbDisconnect(): TRUE
• dbExistsTable(): logical
  • scalar input
• dbFetch(): a data frame
  • scalar input
• dbGetInfo(): a named list
• dbExecute()
  • scalar input
• dbGetQuery()
  • scalar input
• dbGetRowCount(): an integer
• dbGetRowsAffected(): an integer
• dbGetStatement(): a character
• dbHasCompleted(): TRUE
• dbIsValid(): TRUE
• dbListTables(): a character vector
• dbListFields()
  • scalar input
• dbQuoteIdentifier(): a classed object (of class "SQL")
• dbQuoteString(): a classed object (of class "SQL")
• dbReadTable(): a data frame
  • scalar input
• dbRemoveTable(): TRUE
  • scalar input
• dbSendQuery()
  • scalar input
• dbSendStatement()
  • scalar input
• dbWriteTable(): TRUE
  • scalar input

Combine with error testing, in particular invalid arguments

[krlmlr]

Postponed.

[krlmlr]

Will be done when specifying the remaining methods.