* fcl-db oracleconnection.pp: cosmetic: replace Dutch tel variable with counter; translate Dutch comment

git-svn-id: trunk@26212 -
This commit is contained in:
reiniero 2013-12-10 13:58:59 +00:00
parent 80c67337ed
commit 5ae858fbf5

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@ -81,7 +81,7 @@ type
// - Statement execution // - Statement execution
procedure Execute(cursor:TSQLCursor; ATransaction:TSQLTransaction; AParams:TParams); override; procedure Execute(cursor:TSQLCursor; ATransaction:TSQLTransaction; AParams:TParams); override;
function RowsAffected(cursor: TSQLCursor): TRowsCount; override; function RowsAffected(cursor: TSQLCursor): TRowsCount; override;
// - Result retrieving // - Result retrieval
procedure AddFieldDefs(cursor:TSQLCursor; FieldDefs:TFieldDefs); override; procedure AddFieldDefs(cursor:TSQLCursor; FieldDefs:TFieldDefs); override;
function Fetch(cursor:TSQLCursor):boolean; override; function Fetch(cursor:TSQLCursor):boolean; override;
function LoadField(cursor:TSQLCursor; FieldDef:TFieldDef; buffer:pointer; out CreateBlob : boolean):boolean; override; function LoadField(cursor:TSQLCursor; FieldDef:TFieldDef; buffer:pointer; out CreateBlob : boolean):boolean; override;
@ -258,7 +258,7 @@ begin
scale:=result.Precision-(exp*2+2); scale:=result.Precision-(exp*2+2);
if scale>=0 then if scale>=0 then
begin begin
if (scale>result.Precision) then // need to add leading 0's if (scale>result.Precision) then // need to add leading 0s
begin begin
for i:=0 to (scale-result.Precision+1) div 2 do for i:=0 to (scale-result.Precision+1) div 2 do
result.Fraction[i]:=0; result.Fraction[i]:=0;
@ -284,7 +284,7 @@ begin
result.SignSpecialPlaces:=result.SignSpecialPlaces or scale; result.SignSpecialPlaces:=result.SignSpecialPlaces or scale;
end end
else else
begin // add trailing zero's, increase precision to take them into account begin // add trailing zeroes, increase precision to take them into account
i:=0; i:=0;
while i<=result.Precision do // copy nibbles while i<=result.Precision do // copy nibbles
begin begin
@ -401,7 +401,7 @@ begin
if OCIServerAttach(FOciServer,FOciError,@(ConnectString[1]),Length(ConnectString),OCI_DEFAULT) <> OCI_SUCCESS then if OCIServerAttach(FOciServer,FOciError,@(ConnectString[1]),Length(ConnectString),OCI_DEFAULT) <> OCI_SUCCESS then
HandleError(); HandleError();
// Create temporary service-context handle for user-authentication // Create temporary service-context handle for user authentication
if OciHandleAlloc(FOciEnvironment,TempServiceContext,OCI_HTYPE_SVCCTX,0,FUserMem) <> OCI_SUCCESS then if OciHandleAlloc(FOciEnvironment,TempServiceContext,OCI_HTYPE_SVCCTX,0,FUserMem) <> OCI_SUCCESS then
DatabaseError(SErrHandleAllocFailed,self); DatabaseError(SErrHandleAllocFailed,self);
@ -472,15 +472,15 @@ end;
procedure TOracleConnection.DeAllocateCursorHandle(var cursor: TSQLCursor); procedure TOracleConnection.DeAllocateCursorHandle(var cursor: TSQLCursor);
var tel : word; var counter : word;
begin begin
with cursor as TOracleCursor do with cursor as TOracleCursor do
begin begin
if Length(FieldBuffers) > 0 then if Length(FieldBuffers) > 0 then
for tel := 0 to high(FieldBuffers) do freemem(FieldBuffers[tel].buffer); for counter := 0 to high(FieldBuffers) do freemem(FieldBuffers[counter].buffer);
if Length(ParamBuffers) > 0 then if Length(ParamBuffers) > 0 then
for tel := 0 to high(ParamBuffers) do freemem(ParamBuffers[tel].buffer); for counter := 0 to high(ParamBuffers) do freemem(ParamBuffers[counter].buffer);
end; end;
FreeAndNil(cursor); FreeAndNil(cursor);
end; end;
@ -517,7 +517,7 @@ end;
procedure TOracleConnection.PrepareStatement(cursor: TSQLCursor; procedure TOracleConnection.PrepareStatement(cursor: TSQLCursor;
ATransaction: TSQLTransaction; buf: string; AParams: TParams); ATransaction: TSQLTransaction; buf: string; AParams: TParams);
var tel : integer; var counter : integer;
FOcibind : POCIDefine; FOcibind : POCIDefine;
OFieldType : ub2; OFieldType : ub2;
@ -530,7 +530,7 @@ begin
begin begin
if OCIStmtPrepare2(TOracleTrans(ATransaction.Handle).FOciSvcCtx,FOciStmt,FOciError,@buf[1],length(buf),nil,0,OCI_NTV_SYNTAX,OCI_DEFAULT) = OCI_ERROR then if OCIStmtPrepare2(TOracleTrans(ATransaction.Handle).FOciSvcCtx,FOciStmt,FOciError,@buf[1],length(buf),nil,0,OCI_NTV_SYNTAX,OCI_DEFAULT) = OCI_ERROR then
HandleError; HandleError;
//get statement type // get statement type
if OCIAttrGet(FOciStmt,OCI_HTYPE_STMT,@stmttype,nil,OCI_ATTR_STMT_TYPE,FOciError) = OCI_ERROR then if OCIAttrGet(FOciStmt,OCI_HTYPE_STMT,@stmttype,nil,OCI_ATTR_STMT_TYPE,FOciError) = OCI_ERROR then
HandleError; HandleError;
case stmttype of case stmttype of
@ -550,35 +550,35 @@ begin
if assigned(AParams) then if assigned(AParams) then
begin begin
setlength(ParamBuffers,AParams.Count); setlength(ParamBuffers,AParams.Count);
for tel := 0 to AParams.Count-1 do for counter := 0 to AParams.Count-1 do
begin begin
case AParams[tel].DataType of case AParams[counter].DataType of
ftInteger : begin OFieldType := SQLT_INT; OFieldSize := sizeof(integer); end; ftInteger : begin OFieldType := SQLT_INT; OFieldSize := sizeof(integer); end;
ftFloat : begin OFieldType := SQLT_FLT; OFieldSize := sizeof(double); end; ftFloat : begin OFieldType := SQLT_FLT; OFieldSize := sizeof(double); end;
ftDate, ftDateTime : begin OFieldType := SQLT_DAT; OFieldSize := 7; end; ftDate, ftDateTime : begin OFieldType := SQLT_DAT; OFieldSize := 7; end;
ftString : begin OFieldType := SQLT_STR; OFieldSize := 4000; end; ftString : begin OFieldType := SQLT_STR; OFieldSize := 4000; end;
ftFMTBcd,ftBCD : begin OFieldType := SQLT_VNU; OFieldSize := 22; end; ftFMTBcd,ftBCD : begin OFieldType := SQLT_VNU; OFieldSize := 22; end;
else else
DatabaseErrorFmt(SUnsupportedParameter,[Fieldtypenames[AParams[tel].DataType]],self); DatabaseErrorFmt(SUnsupportedParameter,[Fieldtypenames[AParams[counter].DataType]],self);
end; end;
parambuffers[tel].buffer := getmem(OFieldSize); parambuffers[counter].buffer := getmem(OFieldSize);
parambuffers[tel].Len := OFieldSize; parambuffers[counter].Len := OFieldSize;
parambuffers[tel].Size := OFieldSize; parambuffers[counter].Size := OFieldSize;
FOciBind := nil; FOciBind := nil;
if AParams[tel].ParamType=ptInput then if AParams[counter].ParamType=ptInput then
begin begin
if OCIBindByName(FOciStmt,FOcibind,FOciError,pchar(AParams[tel].Name),length(AParams[tel].Name),ParamBuffers[tel].buffer,OFieldSize,OFieldType,@ParamBuffers[tel].ind,nil,nil,0,nil,OCI_DEFAULT )= OCI_ERROR then if OCIBindByName(FOciStmt,FOcibind,FOciError,pchar(AParams[counter].Name),length(AParams[counter].Name),ParamBuffers[counter].buffer,OFieldSize,OFieldType,@ParamBuffers[counter].ind,nil,nil,0,nil,OCI_DEFAULT )= OCI_ERROR then
HandleError; HandleError;
end end
else if AParams[tel].ParamType=ptOutput then else if AParams[counter].ParamType=ptOutput then
begin begin
if OCIBindByName(FOciStmt,FOcibind,FOciError,pchar(AParams[tel].Name),length(AParams[tel].Name),nil,OFieldSize,OFieldType,nil,nil,nil,0,nil,OCI_DATA_AT_EXEC )= OCI_ERROR then if OCIBindByName(FOciStmt,FOcibind,FOciError,pchar(AParams[counter].Name),length(AParams[counter].Name),nil,OFieldSize,OFieldType,nil,nil,nil,0,nil,OCI_DATA_AT_EXEC )= OCI_ERROR then
HandleError; HandleError;
if OCIBindDynamic(FOcibind, FOciError, nil, @cbf_no_data, @parambuffers[tel], @cbf_get_data) <> OCI_SUCCESS then if OCIBindDynamic(FOcibind, FOciError, nil, @cbf_no_data, @parambuffers[counter], @cbf_get_data) <> OCI_SUCCESS then
HandleError; HandleError;
end; end;
end; end;
@ -741,7 +741,7 @@ end;
procedure TOracleConnection.AddFieldDefs(cursor: TSQLCursor; FieldDefs: TFieldDefs); procedure TOracleConnection.AddFieldDefs(cursor: TSQLCursor; FieldDefs: TFieldDefs);
var Param : POCIParam; var Param : POCIParam;
tel : ub4; counter : ub4;
FieldType : TFieldType; FieldType : TFieldType;
FieldName : string; FieldName : string;
@ -763,10 +763,10 @@ begin
if OCIAttrGet(FOciStmt,OCI_HTYPE_STMT,@numcols,nil,OCI_ATTR_PARAM_COUNT,FOciError) = OCI_ERROR then if OCIAttrGet(FOciStmt,OCI_HTYPE_STMT,@numcols,nil,OCI_ATTR_PARAM_COUNT,FOciError) = OCI_ERROR then
HandleError; HandleError;
// Let op, moet gewist worden. En in een keer gealloceerd // Note: needs to be cleared then allocated in one go.
Setlength(FieldBuffers,numcols); Setlength(FieldBuffers,numcols);
for tel := 1 to numcols do for counter := 1 to numcols do
begin begin
// Clear OFieldSize. Oracle 9i, 10g doc says *ub4 but some clients use *ub2 leaving // Clear OFieldSize. Oracle 9i, 10g doc says *ub4 but some clients use *ub2 leaving
// high 16 bit untouched resulting in huge values and ORA-01062 // high 16 bit untouched resulting in huge values and ORA-01062
@ -774,7 +774,7 @@ begin
// To be tested if BE systems have this *ub2<->*ub4 problem // To be tested if BE systems have this *ub2<->*ub4 problem
OFieldSize:=0; OFieldSize:=0;
if OCIParamGet(FOciStmt,OCI_HTYPE_STMT,FOciError,Param,tel) = OCI_ERROR then if OCIParamGet(FOciStmt,OCI_HTYPE_STMT,FOciError,Param,counter) = OCI_ERROR then
HandleError; HandleError;
if OCIAttrGet(Param,OCI_DTYPE_PARAM,@OFieldType,nil,OCI_ATTR_DATA_TYPE,FOciError) = OCI_ERROR then if OCIAttrGet(Param,OCI_DTYPE_PARAM,@OFieldType,nil,OCI_ATTR_DATA_TYPE,FOciError) = OCI_ERROR then
@ -827,7 +827,7 @@ begin
OFieldType := SQLT_VNU; OFieldType := SQLT_VNU;
OFieldSize:= 22; OFieldSize:= 22;
end end
else //approximation with double, best can do else // approximation with double, best we can do
begin begin
FieldType := ftFloat; FieldType := ftFloat;
OFieldType := SQLT_FLT; OFieldType := SQLT_FLT;
@ -848,10 +848,10 @@ begin
FieldType := ftUnknown; FieldType := ftUnknown;
end; end;
FieldBuffers[tel-1].buffer := getmem(OFieldSize); FieldBuffers[counter-1].buffer := getmem(OFieldSize);
FOciDefine := nil; FOciDefine := nil;
if OciDefineByPos(FOciStmt,FOciDefine,FOciError,tel,fieldbuffers[tel-1].buffer,OFieldSize,OFieldType,@(fieldbuffers[tel-1].ind),nil,nil,OCI_DEFAULT) = OCI_ERROR then if OciDefineByPos(FOciStmt,FOciDefine,FOciError,counter,fieldbuffers[counter-1].buffer,OFieldSize,OFieldType,@(fieldbuffers[counter-1].ind),nil,nil,OCI_DEFAULT) = OCI_ERROR then
HandleError; HandleError;
if OCIAttrGet(Param,OCI_DTYPE_PARAM,@OFieldName,@OFNameLength,OCI_ATTR_NAME,FOciError) <> OCI_SUCCESS then if OCIAttrGet(Param,OCI_DTYPE_PARAM,@OFieldName,@OFNameLength,OCI_ATTR_NAME,FOciError) <> OCI_SUCCESS then
@ -860,7 +860,7 @@ begin
setlength(Fieldname,OFNameLength); setlength(Fieldname,OFNameLength);
move(OFieldName^,Fieldname[1],OFNameLength); move(OFieldName^,Fieldname[1],OFNameLength);
TFieldDef.Create(FieldDefs, FieldDefs.MakeNameUnique(FieldName), FieldType, FieldSize, False, tel); TFieldDef.Create(FieldDefs, FieldDefs.MakeNameUnique(FieldName), FieldType, FieldSize, False, counter);
end; end;
end; end;
end; end;