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Sco.Provider.Firebird.pas
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Sco.Provider.Firebird.pas
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unit Sco.Provider.Firebird;
interface
uses
Sco.Provider, Data.DB, FireDAC.Stan.Def, FireDAC.Phys.FBDef, FireDAC.Stan.Intf,
FireDAC.Stan.ASync, FireDAC.Phys, FireDAC.Phys.IBBase, FireDAC.Phys.FB,
FireDAC.DApt, FireDAC.Comp.Client, FireDAC.Stan.Param, FireDAC.VCLUI.Wait,
System.Classes;
type
TProviderFirebird = class(TInterfacedObject, IProviderDatabase)
private
FConnection: TFDConnection;
FDatabaseInfo: IProviderDatabaseInfo;
// mais facil usar o FDQuery do que ter um obj de SQL e um de Param separados
FQuery: TFDQuery;
FDataSet: TProviderMemTable;
FIniFilePath: string;
procedure DoBeforeConnect(Sender: TObject);
procedure SetArrayParams(AParams: TArray<TScoParam>);
public
constructor Create;
destructor Destroy; override;
function DatabaseInfo: IProviderDatabaseInfo;
function FillTableNames(const AList: TStrings): IProviderDatabase;
function FillFieldNames(const ATableName: string; AList: TStrings): IProviderDatabase;
function FillFields(const ATable: ITable): IProviderDatabase;
function FillIndexNames(const ATableName: string; AList: TStrings): IProviderDatabase;
function FillPrimaryKeys(const ATableName: string; AList: TStrings): IProviderDatabase;
function FillForeignKeys(const ATableName: string; AList: TStrings): IProviderDatabase;
function FillSequences(const AList: TStrings): IProviderDatabase;
function FillTriggers(const ATableName: string; AList: TStrings): IProviderDatabase;
function CreateTable(const ATable: ITable): IProviderDatabase; overload;
function CreateTable(const ATable: ITable; const ADropIfExists: Boolean): IProviderDatabase; overload;
function FieldExists(const ATableName, AFieldName: string): boolean;
function TableExists(const ATableName: string): boolean;
function NewQuery: TProviderQuery;
function ConnectionString: string;
function Clear: IProviderDatabase;
function SetSQL(const ASQL: string): IProviderDatabase; overload;
function SetSQL(const ASQL: TStrings): IProviderDatabase; overload;
function SetDateTimeParam(const AName: string; const AValue: TDateTime): IProviderDatabase;
function SetDateParam(const AName: string; const AValue: TDate): IProviderDatabase;
function SetTimeParam(const AName: string; const AValue: TTime): IProviderDatabase;
function SetStringParam(const AName: string; const AValue: string): IProviderDatabase;
function SetWideStringParam(const AName: string; const AValue: string): IProviderDatabase;
function SetIntegerParam(const AName: string; const AValue: integer): IProviderDatabase;
function SetFloatParam(const AName: string; const AValue: Double): IProviderDatabase;
function SetCurrencyParam(const AName: string; const AValue: Currency): IProviderDatabase;
function SetBooleanParam(const AName: string; const AValue: Boolean): IProviderDatabase;
function SetDataSet(var ADataSet: TProviderMemTable): IProviderDatabase;
function Open: IProviderDatabase; overload;
function Open(AParams: TArray<TScoParam>): IProviderDatabase; overload;
function Execute: IProviderDatabase; overload;
function Execute(AParams: TArray<TScoParam>): IProviderDatabase; overload;
function Execute(out ARowsAffected: integer): IProviderDatabase; overload;
function Execute(out ARowsAffected: integer; AParams: TArray<TScoParam>): IProviderDatabase; overload;
function StartTransaction: IProviderDatabase;
function InTransaction: Boolean;
function Commit: IProviderDatabase;
function Rollback: IProviderDatabase;
end;
implementation
uses
System.IOUtils, System.IniFiles, System.SysUtils, System.Strutils,
FireDAC.Phys.Intf, System.Generics.Collections, System.Generics.Defaults,
FireDAC.Comp.DataSet;
{ TProviderFirebird }
function TProviderFirebird.Clear: IProviderDatabase;
begin
Result := Self;
FDataSet := nil;
if FQuery.Active then
begin
FQuery.Close;
end;
FQuery.SQL.Clear;
end;
function TProviderFirebird.ConnectionString: string;
begin
Result := FConnection.ConnectionString;
end;
constructor TProviderFirebird.Create;
begin
FIniFilePath := ChangeFileExt(ParamStr(0), '.conf');
FConnection := TFDConnection.Create(nil);
FConnection.BeforeConnect := DoBeforeConnect;
FQuery := TFDQuery.Create(FConnection);
FQuery.Connection := FConnection;
FDatabaseInfo := TScoProvider.Info;
end;
function TProviderFirebird.CreateTable(const ATable: ITable): IProviderDatabase;
begin
Result := Self.CreateTable(ATable, False);
end;
function TProviderFirebird.CreateTable(const ATable: ITable; const ADropIfExists: Boolean): IProviderDatabase;
function GetSqlFieldType(const AField: IField): string;
var
LFieldType: string;
begin
Result := AField.FieldType;
LFieldType := UpperCase(Result);
if
LFieldType.Equals('CHAR') or
LFieldType.Equals('VARCHAR')
then
begin
Result := Result + '(' + AField.FieldSize.ToString + ')';
if not AField.CharacterSet.Trim.IsEmpty then
Result := Result + ' CHARACTER SET ' + AField.CharacterSet;
end;
if
LFieldType.Equals('BLOB SUB_TYPE 1') or
LFieldType.Equals('BLOB SUB_TYPE TEXT')
then
begin
if not AField.CharacterSet.Trim.IsEmpty then
Result := Result + ' CHARACTER SET ' + AField.CharacterSet;
end;
if AField.NotNull then
Result := Result + ' NOT NULL';
Result := UpperCase(Result);
end;
procedure FillFieldsInDataBase(const AList: TStrings);
var
LFieldName: string;
LList: TStrings;
begin
if not Assigned(AList) then
Exit;
AList.Clear;
LList := TStringList.Create;
try
FConnection.GetFieldNames(EmptyStr, EmptyStr, ATable.Name, EmptyStr, LList);
for LFieldName in LList do
begin
AList.Add(LFieldName.Replace('"', EmptyStr));
end;
finally
LList.Free;
end;
end;
procedure ForeignKeys;
var
LSqlScript: TStrings;
LForeignKey: ITableForeignKey;
begin
if ATable.ForeignKeys.Count < 1 then
Exit;
LSqlScript := TStringList.Create;
try
for LForeignKey in ATable.ForeignKeys.Values do
begin
LSqlScript.Clear;
LSqlScript.Add('alter table ' + UpperCase(ATable.Name) + ' add constraint ' + UpperCase(LForeignKey.Name));
LSqlScript.Add(' foreign key (' + UpperCase(LForeignKey.Keys) + ')');
LSqlScript.Add(' references ' + UpperCase(LForeignKey.RefrenceTable) + ' (' + UpperCase(LForeignKey.RefrenceKeys) + ')');
case LForeignKey.OnDelete of
Cascade: LSqlScript.Add(' on delete cascade;');
SetNull: LSqlScript.Add(' on delete set null;');
Restrict: LSqlScript.Add(' on delete restrict;');
end;
case LForeignKey.OnUpdate of
Cascade: LSqlScript.Add(' on update cascade;');
SetNull: LSqlScript.Add(' on update set null;');
Restrict: LSqlScript.Add(' on update restrict;');
end;
FConnection.ExecSQL(LSqlScript.Text);
end;
finally
LSqlScript.Free;
end;
end;
var
LSqlScript: TStrings;
LField: IField;
LFields: TArray<IField>;
LFieldsToCreate: TArray<IField>;
LPrimaryKeyFields: string;
LFieldCount: Integer;
i: integer;
LFieldListInDataBase: TStrings;
begin
Result := Self;
if not ATable.Fields.HasPrimaryKey then
raise Exception.Create('No Primary Key for Table "' + ATable.Name + '".');
if ADropIfExists then
if TableExists(ATable.Name) then
FConnection.ExecSQL('drop table ' + ATable.Name);
LSqlScript := TStringList.Create;
try
if not TableExists(ATable.Name) then
begin
LFields := ATable.Fields.PrimaryKeys;
{ primary key info }
LPrimaryKeyFields := EmptyStr;
LFieldCount := ATable.Fields.PrimaryKeyCount;
{ table header }
LSqlScript.Clear;
LSqlScript.Add('create table ' + ATable.Name + ' (');
i := 0;
for LField in LFields do
begin
if LField.PrimaryKey then
begin
inc(i);
LSqlScript.Add(' ' + LField.Name + ' ' + GetSqlFieldType(LField) + ' not null' + IfThen(i < LFieldCount, ',', EmptyStr));
if LPrimaryKeyFields.Trim.IsEmpty then
LPrimaryKeyFields := LField.Name
else
LPrimaryKeyFields := LPrimaryKeyFields + IfThen(LFieldCount > 1, ', ', EmptyStr) + LField.Name;
end;
end;
LSqlScript.Add(');');
FConnection.ExecSQL(LSqlScript.Text);
LSqlScript.Clear;
LSqlScript.Add('alter table ' + ATable.Name + ' add constraint ' + UpperCase(ATable.Name) + '_PK primary key (' + LPrimaryKeyFields + ');');
FConnection.ExecSQL(LSqlScript.Text);
end;
LFieldListInDataBase := TStringList.Create;
try
FillFieldsInDataBase(LFieldListInDataBase);
SetLength(LFieldsToCreate, 0);
LFields := ATable.Fields.OrderedByIndex;
for LField in LFields do
begin
if not LField.PrimaryKey then
begin
if LFieldListInDataBase.IndexOf(UpperCase(LField.Name)) = -1 then
begin
SetLength(LFieldsToCreate, Length(LFieldsToCreate) + 1);
LFieldsToCreate[Length(LFieldsToCreate) - 1] := LField;
end;
end;
end;
LFieldCount := Length(LFieldsToCreate);
if LFieldCount > 0 then
begin
LSqlScript.Clear;
LSqlScript.Add('alter table ' + ATable.Name);
i := 0;
for LField in LFieldsToCreate do
begin
if not LField.PrimaryKey then
begin
inc(i);
LSqlScript.Add(' add ' + LField.Name + ' ' + GetSqlFieldType(LField) + IfThen(i < LFieldCount, ',', EmptyStr));
end;
end;
LSqlScript.Add(';');
FConnection.ExecSQL(LSqlScript.Text);
end;
finally
LFieldListInDataBase.Free;
end;
ForeignKeys;
finally
LSqlScript.Free;
end;
end;
destructor TProviderFirebird.Destroy;
begin
FQuery.Free;
if FConnection.Connected then
FConnection.Connected := False;
FConnection.Free;
inherited;
end;
function TProviderFirebird.Execute(out ARowsAffected: integer): IProviderDatabase;
begin
Result := Self;
ARowsAffected := FConnection.ExecSQL(FQuery.SQL.Text, FQuery.Params);
end;
function TProviderFirebird.FieldExists(const ATableName, AFieldName: string): boolean;
var
LList: TStrings;
begin
LList := TStringList.Create;
try
FConnection.GetFieldNames(EmptyStr, EmptyStr, ATableName, EmptyStr, LList);
Result := LList.IndexOf(UpperCase(AFieldName)) <> -1;
finally
LList.Free;
end;
end;
function TProviderFirebird.FillFieldNames(const ATableName: string; AList: TStrings): IProviderDatabase;
begin
Result := Self;
if not Assigned(AList) then
Exit;
if ATableName.Trim.IsEmpty then
Exit;
AList.Clear;
FConnection.GetFieldNames(EmptyStr, EmptyStr, ATableName, EmptyStr, AList);
end;
function TProviderFirebird.FillFields(const ATable: ITable): IProviderDatabase;
var
LMetaInfoQuery: TFDMetaInfoQuery;
LField: IField;
begin
if not Assigned(ATable) then
Exit;
ATable.Fields.Clear;
LMetaInfoQuery := TFDMetaInfoQuery.Create(FConnection);
try
LMetaInfoQuery.Connection := FConnection;
LMetaInfoQuery.MetaInfoKind := mkTableFields;
LMetaInfoQuery.ObjectName := ATable.Name;
LMetaInfoQuery.Open;
if not LMetaInfoQuery.IsEmpty then
begin
while not LMetaInfoQuery.Eof do
begin
LField := TStructureDomain.Field
.Index(LMetaInfoQuery.FieldByName('COLUMN_POSITION').AsInteger)
.PrimaryKey(False)
.Name(LMetaInfoQuery.FieldByName('COLUMN_NAME').AsString)
.FieldType(LMetaInfoQuery.FieldByName('COLUMN_TYPENAME').AsString)
.FieldSize(LMetaInfoQuery.FieldByName('COLUMN_LENGTH').AsInteger);
ATable.Fields.Add(LField.Name, LField);
LMetaInfoQuery.Next;
end;
end;
LMetaInfoQuery.Close;
LMetaInfoQuery.MetaInfoKind := mkPrimaryKeyFields;
LMetaInfoQuery.BaseObjectName := ATable.Name;
LMetaInfoQuery.Open;
if not LMetaInfoQuery.IsEmpty then
begin
while not LMetaInfoQuery.Eof do
begin
if ATable.Fields.TryGetValue(LMetaInfoQuery.FieldByName('COLUMN_NAME').AsString, LField) then
begin
LField.PrimaryKey(True);
end;
LMetaInfoQuery.Next;
end;
end;
finally
LMetaInfoQuery.Free;
end;
end;
function TProviderFirebird.FillForeignKeys(const ATableName: string; AList: TStrings): IProviderDatabase;
var
LMetaInfoQuery: TFDMetaInfoQuery;
begin
Result := Self;
if not Assigned(AList) then
Exit;
AList.Clear;
LMetaInfoQuery := TFDMetaInfoQuery.Create(FConnection);
try
LMetaInfoQuery.Connection := FConnection;
LMetaInfoQuery.MetaInfoKind := mkForeignKeys;
LMetaInfoQuery.ObjectName := ATableName;
LMetaInfoQuery.Open;
if not LMetaInfoQuery.IsEmpty then
begin
AList.BeginUpdate;
try
while not LMetaInfoQuery.Eof do
begin
AList.Add(LMetaInfoQuery.FieldByName('FKEY_NAME').AsString);
LMetaInfoQuery.Next;
end;
finally
AList.EndUpdate;
end;
end;
finally
LMetaInfoQuery.Free;
end;
end;
function TProviderFirebird.FillIndexNames(const ATableName: string; AList: TStrings): IProviderDatabase;
begin
Result := Self;
if not Assigned(AList) then
Exit;
AList.Clear;
FConnection.GetIndexNames(EmptyStr, EmptyStr, ATableName, EmptyStr, AList);
end;
function TProviderFirebird.FillPrimaryKeys(const ATableName: string; AList: TStrings): IProviderDatabase;
var
LMetaInfoQuery: TFDMetaInfoQuery;
begin
Result := Self;
if not Assigned(AList) then
Exit;
AList.Clear;
LMetaInfoQuery := TFDMetaInfoQuery.Create(FConnection);
try
LMetaInfoQuery.Connection := FConnection;
LMetaInfoQuery.MetaInfoKind := mkPrimaryKey;
LMetaInfoQuery.ObjectName := ATableName;
LMetaInfoQuery.Open;
if not LMetaInfoQuery.IsEmpty then
begin
AList.BeginUpdate;
try
while not LMetaInfoQuery.Eof do
begin
AList.Add(LMetaInfoQuery.FieldByName('CONSTRAINT_NAME').AsString);
LMetaInfoQuery.Next;
end;
finally
AList.EndUpdate;
end;
end;
finally
LMetaInfoQuery.Free;
end;
end;
function TProviderFirebird.FillSequences(const AList: TStrings): IProviderDatabase;
var
LMetaInfoQuery: TFDMetaInfoQuery;
begin
Result := Self;
if not Assigned(AList) then
Exit;
AList.Clear;
LMetaInfoQuery := TFDMetaInfoQuery.Create(FConnection);
try
LMetaInfoQuery.Connection := FConnection;
LMetaInfoQuery.MetaInfoKind := mkGenerators;
LMetaInfoQuery.Open;
if not LMetaInfoQuery.IsEmpty then
begin
AList.BeginUpdate;
try
while not LMetaInfoQuery.Eof do
begin
AList.Add(LMetaInfoQuery.FieldByName('GENERATOR_NAME').AsString);
LMetaInfoQuery.Next;
end;
finally
AList.EndUpdate;
end;
end;
finally
LMetaInfoQuery.Free;
end;
end;
function TProviderFirebird.FillTableNames(const AList: TStrings): IProviderDatabase;
begin
Result := Self;
if not Assigned(AList) then
Exit;
AList.Clear;
FConnection.GetTableNames(EmptyStr, EmptyStr, EmptyStr, AList, [osMy], [tkTable]);
end;
function TProviderFirebird.FillTriggers(const ATableName: string; AList: TStrings): IProviderDatabase;
var
LQuery: TFDQuery;
begin
Result := Self;
if not Assigned(AList) then
Exit;
AList.Clear;
LQuery := TFDQuery.Create(FConnection);
try
LQuery.Connection := FConnection;
LQuery.SQL.Add('select');
LQuery.SQL.Add(' TRIGGERS.RDB$TRIGGER_NAME as NAME');
LQuery.SQL.Add('from');
LQuery.SQL.Add(' RDB$TRIGGERS as TRIGGERS');
LQuery.SQL.Add('where');
LQuery.SQL.Add(' TRIGGERS.RDB$RELATION_NAME = :TABLE_NAME');
LQuery.ParamByName('TABLE_NAME').AsString := ATableName;
LQuery.Open;
if not LQuery.IsEmpty then
begin
AList.BeginUpdate;
try
while not LQuery.Eof do
begin
AList.Add(LQuery.FieldByName('NAME').AsString);
LQuery.Next;
end;
finally
AList.EndUpdate;
end;
end;
finally
LQuery.Free;
end;
end;
function TProviderFirebird.Execute: IProviderDatabase;
var
LRowsAffected: integer;
begin
Result := Execute(LRowsAffected);
end;
function TProviderFirebird.Open: IProviderDatabase;
var
LDataSet: TFDQuery;
begin
Result := Self;
if Assigned(FDataSet) then
begin
LDataSet := TFDQuery.Create(FConnection);
try
LDataSet.Connection := FConnection;
LDataSet.SQL.Text := FQuery.SQL.Text;
LDataSet.Params.AssignValues(FQuery.Params);
LDataSet.Open;
FDataSet.CloneCursor(LDataSet);
{ esse execsql cria um novo fdquery lá dentro, causando um memory leak }
//FConnection.ExecSQL(FQuery.SQL.Text, LDataSet);
finally
LDataSet.Free;
end;
end;
end;
procedure TProviderFirebird.DoBeforeConnect(Sender: TObject);
var
LConnectionString: string;
begin
if FDatabaseInfo.Server.Trim.IsEmpty then
FDatabaseInfo.Server := '127.0.0.1';
if FDatabaseInfo.Port < 1 then
FDatabaseInfo.Port := 3050;
if FDatabaseInfo.FileName.Trim.IsEmpty then
FDatabaseInfo.FileName := ChangeFileExt(ParamStr(0), '.fdb');
if FDatabaseInfo.CharacterSet.Trim.IsEmpty then
FDatabaseInfo.CharacterSet := 'UTF8';
if FDatabaseInfo.Protocol.Trim.IsEmpty then
FDatabaseInfo.Protocol := 'TCPIP';
if FDatabaseInfo.UserName.Trim.IsEmpty then
FDatabaseInfo.UserName := 'SYSDBA';
if FDatabaseInfo.Password.Trim.IsEmpty then
FDatabaseInfo.Password := 'masterkey';
LConnectionString :=
'Database=' + FDatabaseInfo.FileName + ';' +
'User_Name=' + FDatabaseInfo.UserName + ';' +
'Password=' + FDatabaseInfo.Password + ';' +
'Server=' + FDatabaseInfo.Server + ';' +
'Port=' + FDatabaseInfo.Port.ToString + ';' +
'Protocol=' + FDatabaseInfo.Protocol + ';' +
'CharacterSet=' + FDatabaseInfo.CharacterSet + ';' +
'DriverID=FB';
if FConnection.Connected then
FConnection.Close;
FConnection.ConnectionString := LConnectionString;
// FConnection.Params.Values['CreateDatabase'] := BoolToStr(True, True);
// var LDataBasePath: string;
// LDataBasePath := ExtractFilePath(FConnectionInfo.FileName);
// if not DirectoryExists(LDataBasePath) then
// ForceDirectories(LDataBasePath);
// FConnection.Params.Values['CreateDatabase'] := BoolToStr(not FileExists(FConnectionInfo.FileName), True);
// FConnection.DriverName := 'FB';
// FConnection.Params.Values['CreateDatabase'] := BoolToStr(False, True);
// FConnection.Params.Values['Database']:= FConnectionInfo.FileName;
// FConnection.Params.Values['Server']:= FConnectionInfo.Server;
// FConnection.Params.Values['Port']:= FConnectionInfo.Port.ToString;
// FConnection.Params.Add('CharacterSet=UTF8');
// FConnection.Params.UserName := FConnectionInfo.UserName;
// FConnection.Params.Password := FConnectionInfo.Password;
end;
function TProviderFirebird.NewQuery: TProviderQuery;
begin
Result := TProviderQuery.Create(FConnection);
Result.Connection := FConnection;
end;
function TProviderFirebird.Open(AParams: TArray<TScoParam>): IProviderDatabase;
begin
Result := Self;
SetArrayParams(AParams);
Open;
end;
function TProviderFirebird.SetBooleanParam(const AName: string; const AValue: Boolean): IProviderDatabase;
begin
Result := Self;
FQuery.ParamByName(AName).AsBoolean := AValue;
end;
function TProviderFirebird.SetCurrencyParam(const AName: string; const AValue: Currency): IProviderDatabase;
begin
Result := Self;
FQuery.ParamByName(AName).AsCurrency := AValue;
end;
function TProviderFirebird.DatabaseInfo: IProviderDatabaseInfo;
begin
Result := FDatabaseInfo;
end;
function TProviderFirebird.SetDataset(var ADataSet: TProviderMemTable): IProviderDatabase;
begin
Result := Self;
FDataSet := ADataSet;
end;
function TProviderFirebird.SetDateParam(const AName: string; const AValue: TDate): IProviderDatabase;
begin
Result := Self;
FQuery.ParamByName(AName).AsDate := AValue;
end;
function TProviderFirebird.SetDateTimeParam(const AName: string; const AValue: TDateTime): IProviderDatabase;
begin
Result := Self;
FQuery.ParamByName(AName).AsDateTime := AValue;
end;
function TProviderFirebird.SetFloatParam(const AName: string; const AValue: Double): IProviderDatabase;
begin
Result := Self;
FQuery.ParamByName(AName).AsFloat := AValue;
end;
function TProviderFirebird.SetIntegerParam(const AName: string; const AValue: integer): IProviderDatabase;
begin
Result := Self;
FQuery.ParamByName(AName).AsInteger := AValue;
end;
function TProviderFirebird.SetSQL(const ASql: string): IProviderDatabase;
begin
Result := Self;
FQuery.SQL.Text := ASql;
end;
function TProviderFirebird.SetSQL(const ASql: TStrings): IProviderDatabase;
begin
Result := SetSQL(ASql.Text);
end;
function TProviderFirebird.SetStringParam(const AName, AValue: string): IProviderDatabase;
begin
Result := Self;
FQuery.ParamByName(AName).AsString := AValue;
end;
function TProviderFirebird.SetTimeParam(const AName: string; const AValue: TTime): IProviderDatabase;
begin
Result := Self;
FQuery.ParamByName(AName).AsTime := AValue;
end;
function TProviderFirebird.SetWideStringParam(const AName, AValue: string): IProviderDatabase;
begin
Result := Self;
FQuery.ParamByName(AName).AsWideString := AValue;
end;
function TProviderFirebird.StartTransaction: IProviderDatabase;
begin
Result := Self;
if not FConnection.InTransaction then
FConnection.StartTransaction;
end;
function TProviderFirebird.TableExists(const ATableName: string): boolean;
var
LList: TStrings;
begin
LList := TStringList.Create;
try
FillTableNames(LList);
Result := LList.IndexOf(ATableName) <> -1;
finally
LList.Free;
end;
end;
function TProviderFirebird.InTransaction: Boolean;
begin
Result := FConnection.InTransaction;
end;
function TProviderFirebird.Commit: IProviderDatabase;
begin
if FConnection.InTransaction then
FConnection.Commit;
end;
function TProviderFirebird.Rollback: IProviderDatabase;
begin
if FConnection.InTransaction then
FConnection.Rollback;
end;
procedure TProviderFirebird.SetArrayParams(AParams: TArray<TScoParam>);
var
LScoParam: TScoParam;
LFieldParam: TFDParam;
begin
for LScoParam in AParams do
begin
LFieldParam := FQuery.Params.FindParam(LScoParam.Name);
if Assigned(LFieldParam) then
begin
case LScoParam.ParamType of
ftUnknown: ;
ftString: LFieldParam.AsString := LScoParam.Value;
ftSmallint: LFieldParam.AsSmallInt := LScoParam.Value;
ftInteger: LFieldParam.AsInteger := LScoParam.Value;
ftWord: LFieldParam.AsWord := LScoParam.Value;
ftBoolean: LFieldParam.AsBoolean := LScoParam.Value;
ftFloat: LFieldParam.AsFloat := LScoParam.Value;
ftCurrency: LFieldParam.AsCurrency := LScoParam.Value;
ftBCD: LFieldParam.AsBCD := LScoParam.Value;
ftDate: LFieldParam.AsDate := LScoParam.Value;
ftTime: LFieldParam.AsTime := LScoParam.Value;
ftDateTime: LFieldParam.AsDateTime := LScoParam.Value;
ftBytes: ;
ftVarBytes: ;
ftAutoInc: ;
ftBlob: LFieldParam.AsBlob := LScoParam.Value;
ftMemo: LFieldParam.AsMemo := LScoParam.Value;
ftGraphic: ;
ftFmtMemo: ;
ftParadoxOle: ;
ftDBaseOle: ;
ftTypedBinary: ;
ftCursor: ;
ftFixedChar: LFieldParam.AsFixedChar := LScoParam.Value;
ftWideString: LFieldParam.AsWideString := LScoParam.Value;
ftLargeint: LFieldParam.AsLargeInt := LScoParam.Value;
ftADT: ;
ftArray: ;
ftReference: ;
ftDataSet: ;
ftOraBlob: ;
ftOraClob: ;
ftVariant: LFieldParam.Value := LScoParam.Value;
ftInterface: ;
ftIDispatch: ;
ftGuid: ;
ftTimeStamp: ;
ftFMTBcd: ;
ftFixedWideChar: ;
ftWideMemo: LFieldParam.AsWideMemo := LScoParam.Value;
ftOraTimeStamp: ;
ftOraInterval: ;
ftLongWord: LFieldParam.AsLongword := LScoParam.Value;
ftShortint: LFieldParam.AsShortInt := LScoParam.Value;
ftByte: LFieldParam.AsByte := LScoParam.Value;
ftExtended: LFieldParam.AsExtended := LScoParam.Value;
ftConnection: ;
ftParams: ;
ftStream: ;
ftTimeStampOffset: ;
ftObject: ;
ftSingle: LFieldParam.AsSingle := LScoParam.Value;
end;
end;
end;
end;
function TProviderFirebird.Execute(out ARowsAffected: integer; AParams: TArray<TScoParam>): IProviderDatabase;
begin
Result := Self;
SetArrayParams(AParams);
Execute(ARowsAffected);
end;
function TProviderFirebird.Execute(AParams: TArray<TScoParam>): IProviderDatabase;
begin
Result := Self;
SetArrayParams(AParams);
Execute;
end;
end.