public static CmdParameter CreateDeleteSql(ISessionImplementor session, IEntityPersister entityPersister, IEntity obj)
{
var classMetadata = entityPersister.ClassMetadata;
if (string.IsNullOrEmpty(obj.Conditaion))
{
var v = classMetadata.ColumnInfos.Find(t => t.IsPrimaryKey).PropertyInfo.FastGetValue(obj);
return !IsNull(v) ? CreateDeleteSql(session, entityPersister, (int)v) : null;
}
List<DbParameter> parameters;
string rConditaion = GetConditaion(session, entityPersister, obj, out parameters);
var where = GetWhereCaluse(rConditaion);
var result = new CmdParameter();
if (where.Length > 0)
{
result.Parameters = parameters.ToArray();
result.CommandText = string.Format("DELETE FROM {0} WHERE {1}{2}", classMetadata.TableName, where, entityPersister.Driver.MultipleQueriesSeparator);
}
return result;
}
private static List<string> CreateNoBatchInsertSql(IEntityPersister entityPersister, int listCount, int batchSize, int batchTime, IEntity[] list)
{
var result = new List<string>();
var columns = new StringBuilder();
StringBuilder value;
StringBuilder values;
StringBuilder batch;
var classMetadata = entityPersister.ClassMetadata;
var columnInfos = classMetadata.ColumnInfos.FindAll(t => t.IsColumn);
object v;
for (var i = 0; i < batchTime; i++)
{
batch = new StringBuilder();
for (var j = 0; j < batchSize; j++)
{
values = new StringBuilder();
var s = i * batchSize + j;
value = new StringBuilder();
foreach (var columnInfo in columnInfos)
{
if (s > listCount) break;
v = columnInfo.PropertyInfo.FastGetValue(list[s]);
if (columnInfo.IsIncrement) continue;
if (s == 0) columns.AppendFormat("{0},", columnInfo.PropertyName);
value.AppendFormat("{0},", GetDbString(columnInfo, v));
}
if (s == 0) columns = columns.Remove(columns.Length - 1, 1);
if (value.Length > 0) values.AppendFormat("({0}),", value.Remove(value.Length - 1, 1));
batch.AppendFormat("INSERT INTO {0} ({1}) VALUES {2}{3}", classMetadata.TableName, columns, values.Remove(values.Length - 1, 1), entityPersister.Driver.MultipleQueriesSeparator);
}
result.Add(batch.ToString());
}
return result;
}
private static string GetConditaion(ISessionImplementor session, IEntityPersister entityPersister, IEntity obj, out List<DbParameter> parameters)
{
var rConditaion = obj.Conditaion;
var classMetadata = entityPersister.ClassMetadata;
parameters = new List<DbParameter>();
foreach (ColumnInfo columnInfo in classMetadata.ColumnInfos)
{
var value = columnInfo.PropertyInfo.FastGetValue(obj);
if (IsNull(value)) continue;
if (IsNullValue(value) && columnInfo.IsNullable) continue;
var index = Contains(obj.Conditaion, columnInfo.PropertyName);
if (index == 0)
{
rConditaion = rConditaion.Replace(string.Format(LikeString[0], columnInfo.PropertyName), entityPersister.Driver.FormatNameForSql(columnInfo.Name));
entityPersister.SetDbParamter(session, parameters, columnInfo.Name, value);
//entityPersister.SetDbParamter(session, parameters, classMetadata.PrimaryKey, value);
}
else if (index > 0)
{
rConditaion = rConditaion.Replace(string.Format(LikeString[index], columnInfo.PropertyName), string.Format(LikeValueString[index - 1], Escape(value.ToString(), "")));
}
}
return rConditaion;
}
public static CmdParameter CreateUpdateSql(ISessionImplementor session, IEntityPersister entityPersister, IEntity obj)
{
var classMetadata = entityPersister.ClassMetadata;
var rConditaion = obj.Conditaion;
var columns = new StringBuilder();
List<DbParameter> parameters = new List<DbParameter>();
foreach (ColumnInfo columnInfo in classMetadata.ColumnInfos)
{
var value = columnInfo.PropertyInfo.FastGetValue(obj);
if (IsNull(value)) continue;
if (columnInfo.IsPrimaryKey && string.IsNullOrEmpty(obj.Conditaion))
{
rConditaion = string.Format("{0}={1}", columnInfo.Name, entityPersister.Driver.FormatNameForSql(columnInfo.Name));
entityPersister.SetDbParamter(session, parameters, columnInfo.Name, value);
}
else
{
var index = Contains(obj.Conditaion, columnInfo.Name);
if (index == 0)
{
rConditaion = rConditaion.Replace(string.Format(LikeString[0], columnInfo.Name), entityPersister.Driver.FormatNameForSql(columnInfo.Name));
entityPersister.SetDbParamter(session, parameters, classMetadata.PKColumnName, value);
}
else if (index > 0)
{
rConditaion = rConditaion.Replace(string.Format(LikeString[index], columnInfo.Name), string.Format(LikeValueString[index - 1], Escape(value.ToString(), "")));
}
else if (index == -1)
{
columns.AppendFormat("{0}={1},", columnInfo.Name, entityPersister.Driver.FormatNameForSql(columnInfo.Name));
if (columnInfo.IsNullable && IsNullValue(value))
{
entityPersister.SetDbParamter(session, parameters, columnInfo.Name, DBNull.Value);
}
else
{
entityPersister.SetDbParamter(session, parameters, columnInfo.Name, value);
}
}
}
}
var where = GetWhereCaluse(rConditaion);
var result = new CmdParameter();
if (where.Length > 0 && columns.Length > 0)
{
result.Parameters = parameters.ToArray();
result.CommandText = string.Format("UPDATE {0} SET {1} WHERE {2}{3}", classMetadata.TableName, columns.Remove(columns.Length - 1, 1), where, entityPersister.Driver.MultipleQueriesSeparator);
}
return result;
}
public static CmdParameter CreateSelectSql(ISessionImplementor session, IEntityPersister entityPersister, IEntity obj)
{
var classMetadata = entityPersister.ClassMetadata;
var result = new CmdParameter();
if (string.IsNullOrEmpty(obj.Conditaion))
{
var columnInfo = classMetadata.ColumnInfos.Find(t => t.IsPrimaryKey);
if (columnInfo != null)
{
var v = columnInfo.PropertyInfo.FastGetValue(obj);
if (!IsNull(v)) result = CreateSelectSql(session, entityPersister, v);
}
}
List<DbParameter> parameters;
string rConditaion = GetConditaion(session, entityPersister, obj, out parameters);
var sql = new StringBuilder("SELECT ");
sql.Append(string.IsNullOrEmpty(obj.ResultColumns) ? "*" : obj.ResultColumns);
//sql.Append("*"); //delete
sql.AppendFormat(" FROM {0} ", classMetadata.TableName);
var where = GetWhereCaluse(rConditaion);
if (where.Length > 0)
{
sql.AppendFormat(" WHERE {0} ", where);
result.Parameters = parameters.ToArray();
}
sql.Append(obj.OrderBy ?? "");
sql.Append(entityPersister.Driver.MultipleQueriesSeparator);
result.CommandText = sql.ToString();
return result;
}
public static List<string> CreateInsertSql(IEntityPersister entityPersister, IEntity[] list)
{
var result = new List<string>();
var listCount = list.Length;
if (listCount > 0)
{
var batchSize = entityPersister.Factory.Settings.BatchSize;
if (batchSize > listCount) batchSize = listCount;
var batchTime = (listCount + batchSize - 1) / batchSize;
result = entityPersister.Driver.SupportsBacthInsert ? CreateBatchInsertSql(entityPersister, listCount, batchSize, batchTime, list) : CreateNoBatchInsertSql(entityPersister, listCount, batchSize, batchTime, list);
}
return result;
}
public static CmdParameter CreateInsertSql(ISessionImplementor session, IEntityPersister entityPersister, IEntity obj)
{
var result = new CmdParameter();
var classMetadata = entityPersister.ClassMetadata;
var driver = entityPersister.Driver;
var sql = new StringBuilder("INSERT INTO");
sql.AppendFormat(" {0} (", classMetadata.TableName);
var values = new StringBuilder();
var tParameters = new List<DbParameter>();
var columnInfos = classMetadata.ColumnInfos.FindAll(t => t.IsColumn);
foreach (var columnInfo in columnInfos)
{
var v = columnInfo.PropertyInfo.FastGetValue(obj);
if (IsNull(v)) continue;
if (columnInfo.IsNullable && IsNullValue(v)) continue;
sql.AppendFormat("{0},", columnInfo.Name);
values.AppendFormat("{0},", driver.FormatNameForSql(columnInfo.Name));
entityPersister.SetDbParamter(session, tParameters, columnInfo.Name, v);
}
if (values.Length > 0)
{
sql.Replace(',', ')', sql.Length - 1, 1);
sql.AppendFormat(" VALUES ({0}){1}", values.Remove(values.Length - 1, 1), driver.MultipleQueriesSeparator);
result.CommandText = sql.ToString();
result.Parameters = tParameters.ToArray();
}
return result;
}
public static CmdParameter CreateInsertReturnIdentitySql(ISessionImplementor session, IEntityPersister entityPersister, IEntity obj)
{
var result = CreateInsertSql(session, entityPersister, obj);
result.CommandText = string.Format("{0}{1}", result.CommandText, entityPersister.Driver.GetIdentityString);
return result;
}
