2 files changed, 22 insertions, 1 deletions
diff --git a/Lua/src/lib/SQLite/SQLite3.pas b/Lua/src/lib/SQLite/SQLite3.pas
index 9537606c..7b7207c4 100644
--- a/Lua/src/lib/SQLite/SQLite3.pas
+++ b/Lua/src/lib/SQLite/SQLite3.pas
@@ -10,7 +10,7 @@ unit SQLite3;
 
 {$IFDEF FPC}
   {$MODE DELPHI}
-  {$H+}            (* use AnsiString *)
+  {$H+}            (* use long strings *)
   {$PACKENUM 4}    (* use 4-byte enums *)
   {$PACKRECORDS C} (* C/C++-compatible record packing *)
 {$ELSE}
diff --git a/Lua/src/lib/SQLite/SQLiteTable3.pas b/Lua/src/lib/SQLite/SQLiteTable3.pas
index 7df76363..3aed54a4 100644
--- a/Lua/src/lib/SQLite/SQLiteTable3.pas
+++ b/Lua/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);