fixes db_sqlite

This commit is contained in:
Araq
2014-01-13 01:21:46 +01:00
parent 616434c492
commit 4045d7829b
2 changed files with 20 additions and 21 deletions

View File

@@ -64,7 +64,7 @@ proc dbFormat(formatstr: TSqlQuery, args: varargs[string]): string =
else:
add(result, c)
proc TryExec*(db: TDbConn, query: TSqlQuery,
proc tryExec*(db: TDbConn, query: TSqlQuery,
args: varargs[string, `$`]): bool {.tags: [FReadDB, FWriteDb].} =
## tries to execute the query and returns true if successful, false otherwise.
var q = dbFormat(query, args)
@@ -73,7 +73,7 @@ proc TryExec*(db: TDbConn, query: TSqlQuery,
if step(stmt) == SQLITE_DONE:
result = finalize(stmt) == SQLITE_OK
proc Exec*(db: TDbConn, query: TSqlQuery, args: varargs[string, `$`]) {.
proc exec*(db: TDbConn, query: TSqlQuery, args: varargs[string, `$`]) {.
tags: [FReadDB, FWriteDb].} =
## executes the query and raises EDB if not successful.
if not TryExec(db, query, args): dbError(db)
@@ -94,7 +94,7 @@ proc setRow(stmt: PStmt, r: var TRow, cols: cint) =
let x = column_text(stmt, col)
if not isNil(x): add(r[col], x)
iterator FastRows*(db: TDbConn, query: TSqlQuery,
iterator fastRows*(db: TDbConn, query: TSqlQuery,
args: varargs[string, `$`]): TRow {.tags: [FReadDB].} =
## executes the query and iterates over the result dataset. This is very
## fast, but potenially dangerous: If the for-loop-body executes another
@@ -118,19 +118,19 @@ proc getRow*(db: TDbConn, query: TSqlQuery,
setRow(stmt, result, L)
if finalize(stmt) != SQLITE_OK: dbError(db)
proc GetAllRows*(db: TDbConn, query: TSqlQuery,
proc getAllRows*(db: TDbConn, query: TSqlQuery,
args: varargs[string, `$`]): seq[TRow] {.tags: [FReadDB].} =
## executes the query and returns the whole result dataset.
result = @[]
for r in FastRows(db, query, args):
for r in fastRows(db, query, args):
result.add(r)
iterator Rows*(db: TDbConn, query: TSqlQuery,
iterator rows*(db: TDbConn, query: TSqlQuery,
args: varargs[string, `$`]): TRow {.tags: [FReadDB].} =
## same as `FastRows`, but slower and safe.
for r in FastRows(db, query, args): yield r
for r in fastRows(db, query, args): yield r
proc GetValue*(db: TDbConn, query: TSqlQuery,
proc getValue*(db: TDbConn, query: TSqlQuery,
args: varargs[string, `$`]): string {.tags: [FReadDB].} =
## executes the query and returns the first column of the first row of the
## result dataset. Returns "" if the dataset contains no rows or the database
@@ -143,44 +143,44 @@ proc GetValue*(db: TDbConn, query: TSqlQuery,
else:
result = newStringOfCap(cb)
add(result, column_text(stmt, 0))
if finalize(stmt) != SQLITE_OK: dbError(db)
else:
result = ""
if finalize(stmt) != SQLITE_OK: dbError(db)
proc TryInsertID*(db: TDbConn, query: TSqlQuery,
proc tryInsertID*(db: TDbConn, query: TSqlQuery,
args: varargs[string, `$`]): int64 {.tags: [FWriteDb].} =
## executes the query (typically "INSERT") and returns the
## generated ID for the row or -1 in case of an error.
var q = dbFormat(query, args)
var stmt: sqlite3.PStmt
result = -1
if prepare_v2(db, q, q.len.cint, stmt, nil) == SQLITE_OK:
if step(stmt) == SQLITE_DONE:
if finalize(stmt) == SQLITE_OK:
return last_insert_rowid(db)
result = -1
result = last_insert_rowid(db)
if finalize(stmt) != SQLITE_OK: dbError(db)
proc InsertID*(db: TDbConn, query: TSqlQuery,
proc insertID*(db: TDbConn, query: TSqlQuery,
args: varargs[string, `$`]): int64 {.tags: [FWriteDb].} =
## executes the query (typically "INSERT") and returns the
## generated ID for the row. For Postgre this adds
## ``RETURNING id`` to the query, so it only works if your primary key is
## named ``id``.
result = TryInsertID(db, query, args)
result = tryInsertID(db, query, args)
if result < 0: dbError(db)
proc ExecAffectedRows*(db: TDbConn, query: TSqlQuery,
proc execAffectedRows*(db: TDbConn, query: TSqlQuery,
args: varargs[string, `$`]): int64 {.
tags: [FReadDB, FWriteDb].} =
## executes the query (typically "UPDATE") and returns the
## number of affected rows.
Exec(db, query, args)
exec(db, query, args)
result = changes(db)
proc Close*(db: TDbConn) {.tags: [FDB].} =
proc close*(db: TDbConn) {.tags: [FDB].} =
## closes the database connection.
if sqlite3.close(db) != SQLITE_OK: dbError(db)
proc Open*(connection, user, password, database: string): TDbConn {.
proc open*(connection, user, password, database: string): TDbConn {.
tags: [FDB].} =
## opens a database connection. Raises `EDb` if the connection could not
## be established. Only the ``connection`` parameter is used for ``sqlite``.
@@ -192,7 +192,7 @@ proc Open*(connection, user, password, database: string): TDbConn {.
when isMainModule:
var db = open("db.sql", "", "", "")
Exec(db, sql"create table tbl1(one varchar(10), two smallint)", [])
exec(db, sql"create table tbl1(one varchar(10), two smallint)", [])
exec(db, sql"insert into tbl1 values('hello!',10)", [])
exec(db, sql"insert into tbl1 values('goodbye', 20)", [])
#db.query("create table tbl1(one varchar(10), two smallint)")

View File

@@ -1,7 +1,6 @@
version 0.9.4
=============
- better tester
- ensure (ref T)(a, b) works as a type conversion and type constructor
- Aporia doesn't compile under devel
- document new templating symbol binding rules