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* made TSQLCursor.create virtual

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* Raise exception if no fields have the pfInUpdate flag set while updating or inserting records on applyupdates

git-svn-id: trunk@5812 -
This commit is contained in:
joost 2007-01-05 00:23:56 +00:00
parent 56379c37a9
commit abafbc147a
2 changed files with 4 additions and 1 deletions
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1
fcl/db/dbconst.pp
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@ -86,6 +86,7 @@ Resourcestring
SOnUpdateError = 'An error occured while applying the updates in a record: %s';
SApplyRecNotSupported = 'Applying updates is not supported by this TDataset descendent';
SNoWhereFields = 'There are no fields found to generate the where-clause';
SNoUpdateFields = 'There are no fields found to include in the update- or insert-clause';
SNotSupported = 'Operation is not supported by this type of database';
SDBCreateDropFailed = 'Creation or dropping of database failed';

4
fcl/db/sqldb/sqldb.pp
View File

@ -49,7 +49,7 @@ type
FStatementType : TStatementType;
FBlobStrings : TStringList; // list of strings in which the blob-fields are stored
public
constructor Create;
constructor Create; virtual;
destructor Destroy; override;
end;
@ -1191,6 +1191,7 @@ Procedure TSQLQuery.ApplyRecUpdate(UpdateKind : TUpdateKind);
sql_set := sql_set + fields[x].FieldName + '=:' + fields[x].FieldName + ',';
end;
if length(sql_set) = 0 then DatabaseError(sNoUpdateFields,self);
setlength(sql_set,length(sql_set)-1);
if length(sql_where) = 0 then DatabaseError(sNoWhereFields,self);
setlength(sql_where,length(sql_where)-5);
@ -1215,6 +1216,7 @@ Procedure TSQLQuery.ApplyRecUpdate(UpdateKind : TUpdateKind);
sql_values := sql_values + ':' + fields[x].FieldName + ',';
end;
end;
if length(sql_fields) = 0 then DatabaseError(sNoUpdateFields,self);
setlength(sql_fields,length(sql_fields)-1);
setlength(sql_values,length(sql_values)-1);