From 1ce18fc38205cc21752579b3cb5dd4c083730ba2 Mon Sep 17 00:00:00 2001 From: b_krueger Date: Sat, 18 Jul 2009 13:36:34 +0000 Subject: some modifications on the DataBaseLoading - now ALL databases in table "us_songs" gets the column "Rating" - nicer Structure and some useful comments -> should work now with all DB-loading-combinations! git-svn-id: svn://svn.code.sf.net/p/ultrastardx/svn/trunk@1851 b956fd51-792f-4845-bead-9b4dfca2ff2c --- src/lib/SQLite/SQLiteTable3.pas | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) (limited to 'src/lib/SQLite') diff --git a/src/lib/SQLite/SQLiteTable3.pas b/src/lib/SQLite/SQLiteTable3.pas index 7df76363..3aed54a4 100644 --- a/src/lib/SQLite/SQLiteTable3.pas +++ b/src/lib/SQLite/SQLiteTable3.pas @@ -139,6 +139,7 @@ type procedure Commit; procedure Rollback; function TableExists(TableName: string): boolean; + function ContainsColumn(Table: String; Column: String) : boolean; function GetLastInsertRowID: int64; function GetLastChangedRows: int64; procedure SetTimeout(Value: integer); @@ -759,6 +760,26 @@ begin end; end; +function TSQLiteDatabase.ContainsColumn(Table: String; Column: String) : boolean; +var + sql: string; + ds: TSqliteTable; + i : integer; +begin + sql := 'PRAGMA TABLE_INFO('+Table+');'; + ds := self.GetTable(sql); + try + Result := false; + while (ds.Next() and not Result and not ds.EOF) do + begin + if ds.FieldAsString(1) = Column then + Result := true; + end; + finally + ds.Free; + end; +end; + procedure TSQLiteDatabase.SetTimeout(Value: integer); begin SQLite3_BusyTimeout(self.fDB, Value); -- cgit v1.2.3