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Issue #1169: implement

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* TInterbaseConnection.GetCollationTable
* TInterbaseConnection.GetCharsetTable
* TInterbaseConnection.FetchDbObjects
This commit is contained in:
Ansgar Becker
2021-10-24 09:36:06 +02:00
parent ec23a18734
commit d92ca7edd5
1 changed files with 57 additions and 4 deletions
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61
source/dbconnection.pas
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@ -456,6 +456,7 @@ type
FCurrentUserHostCombination: String;
FAllUserHostCombinations: TStringList;
FLockedByThread: TThread;
FStringQuoteChar: Char;
FQuoteChar: Char;
FQuoteChars: String;
FDatatypes: TDBDataTypeArray;
@ -764,6 +765,7 @@ type
function GetLastErrorCode: Cardinal; override;
function GetLastErrorMsg: String; override;
function GetAllDatabases: TStringList; override;
function GetCollationTable: TDBQuery; override;
function GetCharsetTable: TDBQuery; override;
procedure FetchDbObjects(db: String; var Cache: TDBObjectList); override;
public
@ -1969,6 +1971,7 @@ begin
FIdentCharsNoQuote := ['A'..'Z', 'a'..'z', '0'..'9', '_'];
FMaxRowsPerInsert := 10000;
FCaseSensitivity := 0;
FStringQuoteChar := '''';
end;
@ -2040,6 +2043,7 @@ var
i: Integer;
begin
inherited;
FStringQuoteChar := '"';
FQuoteChar := '"';
FQuoteChars := '"[]';
SetLength(FDatatypes, Length(SQLiteDatatypes));
@ -3002,7 +3006,7 @@ begin
FSQLSpecifities[spSessionVariables] := 'SHOW VARIABLES';
FSQLSpecifities[spGlobalVariables] := 'SHOW GLOBAL VARIABLES';
FSQLSpecifities[spISSchemaCol] := '%s_SCHEMA';
FSQLSpecifities[spUSEQuery] := 'USE %s';
FSQLSpecifities[spUSEQuery] := '-- USE %s';
FSQLSpecifities[spKillQuery] := 'KILL %d';
FSQLSpecifities[spKillProcess] := 'KILL %d';
FSQLSpecifities[spFuncLength] := 'LENGTH';
@ -4803,11 +4807,20 @@ begin
Result := escChars(Result, '''', '''', '''', '''', '''');
end;
ngInterbase: begin
c1 := '''';
c2 := '''';
c3 := '''';
c4 := '''';
EscChar := '\';
Result := escChars(Text, EscChar, c1, c2, c3, c4);
end;
end;
if DoQuote then begin
// Add surrounding single quotes
Result := Char(#39) + Result + Char(#39);
Result := FStringQuoteChar + Result + FStringQuoteChar;
end;
end;
@ -5155,6 +5168,18 @@ begin
end;
function TInterbaseConnection.GetCollationTable: TDBQuery;
begin
inherited;
if not Assigned(FCollationTable) then begin
FCollationTable := GetResults('SELECT RDB$COLLATION_NAME AS '+EscapeString('Collation')+', RDB$COLLATION_ID AS '+EscapeString('Id')+', RDB$CHARACTER_SET_ID FROM RDB$COLLATIONS');
end;
if Assigned(FCollationTable) then
FCollationTable.First;
Result := FCollationTable;
end;
function TDBConnection.GetCollationList: TStringList;
var
c: TDBQuery;
@ -5220,7 +5245,10 @@ end;
function TInterbaseConnection.GetCharsetTable: TDBQuery;
begin
// Todo
inherited;
if not Assigned(FCharsetTable) then
FCharsetTable := GetResults('SELECT RDB$CHARACTER_SET_NAME AS '+EscapeString('Charset')+', RDB$CHARACTER_SET_NAME AS '+EscapeString('Description')+' FROM RDB$CHARACTER_SETS');
Result := FCharsetTable;
end;
@ -6935,8 +6963,33 @@ end;
procedure TInterbaseConnection.FetchDbObjects(db: String; var Cache: TDBObjectList);
var
obj: TDBObject;
Results: TDBQuery;
begin
// Todo
// Tables and views
Results := nil;
try
Results := GetResults('SELECT DISTINCT RDB$RELATION_NAME, RDB$VIEW_CONTEXT AS '+EscapeString('ViewContext') +
' FROM RDB$RELATION_FIELDS WHERE RDB$SYSTEM_FLAG=0');
while not Results.Eof do begin
obj := TDBObject.Create(Self);
Cache.Add(obj);
obj.Name := Results.Col(0);
obj.Created := Now;
obj.Updated := Now;
obj.Database := db;
if Results.IsNull(1) then
obj.NodeType := lntTable
else
obj.NodeType := lntView;
obj.NodeType := lntTable;
Results.Next;
end;
FreeAndNil(Results);
except
on E:EDbError do;
end;
end;