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fastRows() iterator doco updated (similar to db_mysql) with sqlite specific

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[Edb] error text
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JamesP 2015-09-06 22:39:23 +10:00
commit 5ae33434f8
1 changed files with 7 additions and 3 deletions
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lib/impure/db_sqlite.nim
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@ -130,9 +130,13 @@ proc setRow(stmt: Pstmt, r: var Row, cols: cint) =
iterator fastRows*(db: DbConn, query: SqlQuery, iterator fastRows*(db: DbConn, query: SqlQuery,
args: varargs[string, `$`]): Row {.tags: [FReadDb].} = args: varargs[string, `$`]): Row {.tags: [FReadDb].} =
## executes the query and iterates over the result dataset. This is very ## Executes the query and iterates over the result dataset.
## fast, but potenially dangerous: If the for-loop-body executes another ##
## query, the results can be undefined. For Sqlite it is safe though. ## This is very fast, but potentially dangerous. Use this iterator only
## if you require **ALL** the rows.
##
## Breaking the fastRows() iterator during a loop will cause the next
## database query to raise an [EDb] exception ``unable to close due to ...``.
var stmt = setupQuery(db, query, args) var stmt = setupQuery(db, query, args)
var L = (column_count(stmt)) var L = (column_count(stmt))
var result = newRow(L) var result = newRow(L)