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-rw-r--r--src/lib/SQLite/SQLiteTable3.pas21
1 files changed, 21 insertions, 0 deletions
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);