本文整理汇总了C#中SqlQuery.Delete方法的典型用法代码示例。如果您正苦于以下问题：C# SqlQuery.Delete方法的具体用法？C# SqlQuery.Delete怎么用？C# SqlQuery.Delete使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类SqlQuery的用法示例。
在下文中一共展示了SqlQuery.Delete方法的7个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: databaseWork
void databaseWork()
{
int rows = 100;
// create table
string tableName = Guid.NewGuid().ToString().Replace("-", "");
var fields = new DataValueType[] { DataValueType.IntegerType, DataValueType.DateTimeType, DataValueType.ShortStringType, DataValueType.LongStringType };
var createActions = new List<DbAction>();
createActions.Add(DbAction.EnsureTable(tableName, new string[] { "id" }, new DataValueType[] { DataValueType.IntegerType }));
createActions.Add(DbAction.AddField(tableName, "f1", DataValueType.BooleanType, true, new BooleanDataValue(false)));
createActions.Add(DbAction.AddField(tableName, "f2", DataValueType.DateTimeType, false, new DateTimeDataValue(DateTime.Now)));
createActions.Add(DbAction.AddField(tableName, "f3", DataValueType.FloatType, false, new FloatDataValue(0)));
createActions.Add(DbAction.AddField(tableName, "f4", DataValueType.ShortStringType, true, new ShortStringDataValue("test")));
createActions.Add(DbAction.AddField(tableName, "f5", DataValueType.LongStringType, false, new LongStringDataValue("test")));
WAFRuntime.Engine.Dao.DbProvider.UpdateDatabase(createActions);
// inserting records
var table = new SqlTable(tableName);
var id = new SqlFieldInteger("id", table);
var f1 = new SqlFieldBoolean("f1", table);
var f2 = new SqlFieldDateTime("f2", table);
var f3 = new SqlFieldFloat("f3", table);
var f4 = new SqlFieldShortString("f4", table);
var f5 = new SqlFieldLongString("f5", table);
{
for (int r = 0; r < rows; r++) {
SqlQuery q = new SqlQuery(WAFRuntime.Engine.Dao);
q.Insert(table);
q.Values(id, r);
q.Values(f1, false);
q.Values(f2, DateTime.Now);
q.Values(f3, (double)r);
q.Values(f4, "My test string " + r);
q.Values(f5, "My long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long test string " + r);
q.ExecuteNonQuery();
}
}
{
// quering 10 records at the time
for (int r = 0; r < rows; r++) {
SqlQuery q = new SqlQuery(WAFRuntime.Engine.Dao);
q.From(table);
q.Select(f1);
q.Select(f2);
q.Select(f3);
q.Select(f4);
q.Where(id > r);
using (var dr = q.ExecuteReader()) {
while (dr.Read()) { }
}
}
}
// deleting 1/10 of the records
for (int r = 0; r < rows / 10; r++) {
SqlQuery q = new SqlQuery(WAFRuntime.Engine.Dao);
q.Delete(table);
q.Where(id == r);
q.ExecuteNonQuery();
}
// dropping table
WAFRuntime.Engine.Dao.DbProvider.UpdateDatabase(new DbAction[] { DbAction.DeleteTable(tableName) }.ToList());
}示例2: RemoveJournalItem
public void RemoveJournalItem()
{
if (CanRemoveItem && null != selectedItem &&
MessageBox.Show(string.Format("Ви впевнені що хочете вилучити позицію \"{0}\"?",selectedItem.Name), "вилучення", MessageBoxButton.YesNo, MessageBoxImage.Question) == MessageBoxResult.Yes)
{
using (DbManager db = new DbManager())
{
db.BeginTransaction();
try
{
if (selectedItem.Tovar != null && !selectedItem.IsRent)
{
//add ostatok in tovar
selectedItem.Tovar.Ostatok += (int)selectedItem.Amount;
SqlQuery<Tovar> query2 = new SqlQuery<Tovar>(db);
query2.Update(selectedItem.Tovar);
}
//insert new journal item
SqlQuery<Journal> query = new SqlQuery<Journal>(db);
query.Delete(selectedItem);
db.CommitTransaction();
}
catch
{
db.RollbackTransaction();
throw;
}
}
PropertyChange("JournalList");
PropertyChange("DaySum");
PropertyChange("InKasaSum");
}
}示例3: deleteUnusedNodeIdsIn_RelationTable
void deleteUnusedNodeIdsIn_RelationTable(int relationId, HashSet<int> legalNodeIds)
{
var rel = Engine.Definition.Relation[relationId];
var table = new SqlTable(rel.TableName);
var nodeIdField1 = new SqlFieldInteger(rel.NameParents, table);
var nodeIdField2 = new SqlFieldInteger(rel.NameChildren, table);
var illegalNodeIds = new HashSet<int>();
{
var q = new SqlQuery(Engine.Dao);
q.From(table);
var rNodeId1 = q.Select(nodeIdField1);
var rNodeId2 = q.Select(nodeIdField2);
using (var rs = q.ExecuteReader()) {
while (rs.Read()) {
if (Info.BreakExecution) return;
if (!legalNodeIds.Contains(rNodeId1.Value) && !illegalNodeIds.Contains(rNodeId1.Value)) illegalNodeIds.Add(rNodeId1.Value);
if (!legalNodeIds.Contains(rNodeId2.Value) && !illegalNodeIds.Contains(rNodeId2.Value)) illegalNodeIds.Add(rNodeId2.Value);
}
}
}
{
foreach (var nodeId in illegalNodeIds) {
if (Info.BreakExecution) return;
addDeleteCount();
if (_delete) {
var q = new SqlQuery(Engine.Dao);
q.Delete(table);
q.Where(nodeIdField1 == nodeId | nodeIdField2 == nodeId);
q.ExecuteNonQuery();
}
}
}
}示例4: deleteUnusedNodeIdsIn_NodeCsd
void deleteUnusedNodeIdsIn_NodeCsd(HashSet<int> legalNodeIds)
{
var illegalNodeIds = new HashSet<int>();
{
var q = new SqlQuery(Engine.Dao);
q.From(Sql.Table.NodeCsd);
var rNodeId = q.Select(Sql.Field.NodeCsd.NodeId);
using (var rs = q.ExecuteReader()) {
while (rs.Read()) {
if (Info.BreakExecution) return;
if (!legalNodeIds.Contains(rNodeId.Value) && !illegalNodeIds.Contains(rNodeId.Value)) illegalNodeIds.Add(rNodeId.Value);
}
}
}
{
foreach (var nodeId in illegalNodeIds) {
if (Info.BreakExecution) return;
addDeleteCount();
if (_delete) {
var q = new SqlQuery(Engine.Dao);
q.Delete(Sql.Table.NodeCsd);
q.Where(Sql.Field.NodeCsd.NodeId == nodeId);
q.ExecuteNonQuery();
}
}
}
}示例5: deleteUnusedLanguagesIn_NodeCsd
void deleteUnusedLanguagesIn_NodeCsd(List<int> legalCultures)
{
var lcids = new List<int>();
var nodeIds = new List<int>();
{
var q = new SqlQuery(Engine.Dao);
q.From(Sql.Table.NodeCsd);
var rNodeId = q.Select(Sql.Field.NodeCsd.NodeId);
var rLCID = q.Select(Sql.Field.NodeCsd.LCID);
q.Where(!Sql.In(Sql.Field.NodeCsd.LCID, legalCultures));
using (var rs = q.ExecuteReader()) {
while (rs.Read()) {
if (Info.BreakExecution) return;
nodeIds.Add(rNodeId.Value);
lcids.Add(rLCID.Value);
}
}
}
{
for (int i = 0; i < nodeIds.Count; i++) {
if (Info.BreakExecution) return;
addDeleteCount();
if (_delete) {
var q = new SqlQuery(Engine.Dao);
q.Delete(Sql.Table.NodeCsd);
q.Where(Sql.Field.NodeCsd.NodeId == nodeIds[i] & Sql.Field.NodeCsd.LCID == lcids[i]);
q.ExecuteNonQuery();
}
}
}
}示例6: deleteUnusedIRelRecords
void deleteUnusedIRelRecords(HashSet<int> allContentIdInClassTables)
{
foreach (var propDef in Engine.Definition.Property.Values.Where(p =>
p.BasePropertyClassId == PropertyBaseClass.FileFolderProperty
|| p.BasePropertyClassId == PropertyBaseClass.InnerContents)) {
var illegalContentId = new HashSet<int>();
var illegalParentContentId = new HashSet<int>();
{
var q = new SqlQuery(Engine.Dao);
var table = new SqlTable(propDef.GetInnerContentTableName());
q.From(table);
var rParentContentId = q.Select(new SqlFieldInteger("parent_content_id", table));
var rContentId = q.Select(new SqlFieldInteger("content_id", table));
using (var rs = q.ExecuteReader()) {
while (rs.Read()) {
if (Info.BreakExecution) return;
if (!allContentIdInClassTables.Contains(rContentId.Value)) {
if (!illegalContentId.Contains(rContentId.Value)) {
illegalContentId.Add(rContentId.Value);
}
}
if (!allContentIdInClassTables.Contains(rParentContentId.Value)) {
if (!illegalParentContentId.Contains(rParentContentId.Value)) {
illegalParentContentId.Add(rParentContentId.Value);
}
}
}
}
}
{
foreach (var contentId in illegalContentId) {
if (Info.BreakExecution) return;
addDeleteCount();
if (_delete) {
var q = new SqlQuery(Engine.Dao);
var table = new SqlTable(propDef.GetInnerContentTableName());
q.Delete(table);
q.Where(new SqlFieldInteger("content_id", table) == contentId);
q.ExecuteNonQuery();
}
}
foreach (var parentContentId in illegalParentContentId) {
if (Info.BreakExecution) return;
addDeleteCount();
if (_delete) {
var q = new SqlQuery(Engine.Dao);
var table = new SqlTable(propDef.GetInnerContentTableName());
q.Delete(table);
q.Where(new SqlFieldInteger("parent_content_id", table) == parentContentId);
q.ExecuteNonQuery();
}
}
}
}
}示例7: deleteUnusedClassTableRecords
HashSet<int> deleteUnusedClassTableRecords(Dictionary<int, int> classIdByLegalContentId)
{
HashSet<int> allContentIdInClassTables = new HashSet<int>();
foreach (var classDef in Engine.Definition.ContentClass.Values) {
bool includeClassTable = true;
if (!_includeInner) {
includeClassTable = classDef.ClassType == ContentClassType.ContentClass;
}
if (classDef.Id == 0) includeClassTable = false;
if (includeClassTable) {
var illegalContentIds = new List<int>();
{
var q = new SqlQuery(Engine.Dao);
var table = new SqlTable(classDef.TableName);
q.From(table);
var rContentId = q.Select(new SqlFieldInteger("content_id", table));
using (var rs = q.ExecuteReader()) {
while (rs.Read()) {
if (Info.BreakExecution) return allContentIdInClassTables;
var contentId = rContentId.Value;
if (classIdByLegalContentId.ContainsKey(rContentId.Value)) {
// ok, so it is known, check if class of this table inherits the other
int legalClassId = classIdByLegalContentId[rContentId.Value];
var classDefLegal = Engine.Definition.ContentClass[legalClassId];
if (!classDefLegal.AllParentsIncThis.Contains(classDef.Id)) { // this class table does not inherit from the class content it belongs to
illegalContentIds.Add(contentId);
} else { // ok, so leave, and store in list of legal content ids to relate to:
if (!allContentIdInClassTables.Contains(contentId)) allContentIdInClassTables.Add(contentId);
}
} else { // completely unknown
illegalContentIds.Add(contentId);
}
}
}
}
{
foreach (var contentId in illegalContentIds) {
if (Info.BreakExecution) return allContentIdInClassTables;
addDeleteCount();
if (_delete) {
var q = new SqlQuery(Engine.Dao);
var table = new SqlTable(classDef.TableName);
q.Delete(table);
q.Where(new SqlFieldInteger("content_id", table) == contentId);
q.ExecuteNonQuery();
}
}
}
}
}
return allContentIdInClassTables;
}