public System.Data.DataSet QuerySql(string sql)
{
using (OLEDataProvider sqlData = new OLEDataProvider())
{
string connectionString;
if (Table == null)
{
connectionString = this.ConnectionString;
}
else
{
connectionString = Table.ConnectionString;
}
sqlData.Connect(connectionString);
return(sqlData.QuerySql(sql));
}
}
public void Drop()
{
Debug.Assert(Table != null);
string sql = string.Format("drop table {0}", Table.DBTableName);
using (OLEDataProvider sqlData = new OLEDataProvider())
{
string testExistSql = string.Format("select * from {0} where rownum=1", Table.DBTableName);
sqlData.Connect(Table.ConnectionString);
try
{
sqlData.QuerySql(testExistSql);
sqlData.ExcuteSql(sql);
}
catch
{
}
}
}
public DocumentResultWhereDictionary GetDocumentResults(int end, string where, string orderby)
{
string sql;
if (end >= 0)
{
if (DocIdReplaceField == null)
{
sql = "select docid from (select ";
}
else
{
sql = string.Format("select {0} from (select ", DocIdReplaceField);
}
}
else
{
sql = "select ";
}
if (string.IsNullOrEmpty(where))
{
if (DocIdReplaceField == null)
{
sql += string.Format(" docid from {0} ", Table.DBTableName);
}
else
{
sql += string.Format(" {0} from {1} ", DocIdReplaceField, Table.DBTableName);
}
}
else
{
if (DocIdReplaceField == null)
{
sql += string.Format(" docid from {0} where {1}", Table.DBTableName, where);
}
else
{
sql += string.Format(" {0} from {1} where {2}", DocIdReplaceField, Table.DBTableName, where);
}
}
if (!string.IsNullOrEmpty(orderby))
{
sql += " order by " + orderby;
}
if (end >= 0)
{
sql += string.Format(") where rownum <= {0}", end + 1);
}
Core.SFQL.Parse.DocumentResultWhereDictionary result = new Core.SFQL.Parse.DocumentResultWhereDictionary();
using (OLEDataProvider sqlData = new OLEDataProvider())
{
sqlData.Connect(Table.ConnectionString);
foreach (System.Data.DataRow row in sqlData.QuerySql(sql).Tables[0].Rows)
{
int docId;
if (DocIdReplaceField == null)
{
docId = int.Parse(row[0].ToString());
}
else
{
docId = DBProvider.GetDocIdFromDocIdReplaceFieldValue(long.Parse(row[DocIdReplaceField].ToString()));
if (docId < 0)
{
continue;
}
}
result.Add(docId, new Hubble.Core.Query.DocumentResult(docId));
}
System.Data.DataSet ds;
if (string.IsNullOrEmpty(where))
{
ds = sqlData.QuerySql(string.Format("select count(*) cnt from {0}",
Table.DBTableName));
}
else
{
ds = sqlData.QuerySql(string.Format("select count(*) cnt from {0} where {1}",
Table.DBTableName, where));
}
result.RelTotalCount = int.Parse(ds.Tables[0].Rows[0][0].ToString());
}
return(result);
}
public IList <Core.Query.DocumentResultForSort> GetDocumentResultForSortList(int end, string where, string orderby)
{
string sql;
if (end >= 0)
{
if (DocIdReplaceField == null)
{
sql = "select docid from (select ";
}
else
{
sql = string.Format("select {0} from (select ", DocIdReplaceField);
}
}
else
{
sql = "select ";
}
if (string.IsNullOrEmpty(where))
{
if (DocIdReplaceField == null)
{
sql += string.Format(" docid from {0} ", Table.DBTableName);
}
else
{
sql += string.Format(" {0} from {1} ", DocIdReplaceField, Table.DBTableName);
}
}
else
{
if (DocIdReplaceField == null)
{
sql += string.Format(" docid from {0} where {1}", Table.DBTableName, where);
}
else
{
sql += string.Format(" {0} from {1} where {2}", DocIdReplaceField, Table.DBTableName, where);
}
}
if (!string.IsNullOrEmpty(orderby))
{
sql += " order by " + orderby;
}
if (end >= 0)
{
sql += string.Format(") where rownum <= {0}", end + 1);
}
List <Core.Query.DocumentResultForSort> result = new List <Core.Query.DocumentResultForSort>();
using (OLEDataProvider sqlData = new OLEDataProvider())
{
sqlData.Connect(Table.ConnectionString);
foreach (System.Data.DataRow row in sqlData.QuerySql(sql).Tables[0].Rows)
{
int docId;
if (DocIdReplaceField == null)
{
docId = int.Parse(row[0].ToString());
}
else
{
docId = DBProvider.GetDocIdFromDocIdReplaceFieldValue(long.Parse(row[DocIdReplaceField].ToString()));
if (docId < 0)
{
continue;
}
}
result.Add(new Core.Query.DocumentResultForSort(docId));
}
}
return(result);
}
public System.Data.DataTable Query(IList <Field> selectFields, IList <Hubble.Core.Query.DocumentResultForSort> docs, int begin, int end)
{
StringBuilder sql = new StringBuilder();
sql.Append("select ");
int i = 0;
foreach (Hubble.Core.Data.Field field in selectFields)
{
if (DocIdReplaceField != null)
{
if (field.Name.Equals("DocId", StringComparison.CurrentCultureIgnoreCase))
{
continue;
}
}
if (i++ == 0)
{
sql.AppendFormat("{0}", GetFieldName(field.Name));
}
else
{
sql.AppendFormat(",{0}", GetFieldName(field.Name));
}
}
if (DocIdReplaceField != null)
{
sql.AppendFormat(",{0}", DocIdReplaceField);
}
if (DocIdReplaceField == null)
{
sql.AppendFormat(" from {0} where docId in (", Table.DBTableName);
}
else
{
sql.AppendFormat(" from {0} where {1} in (", Table.DBTableName, DocIdReplaceField);
}
i = 0;
Dictionary <long, int> replaceFieldValueToDocId = null;
if (DocIdReplaceField != null)
{
replaceFieldValueToDocId = new Dictionary <long, int>();
}
for (int j = begin; j <= end; j++)
{
if (j >= docs.Count)
{
break;
}
int docId = docs[j].DocId;
if (DocIdReplaceField == null)
{
if (i++ == 0)
{
sql.AppendFormat("{0}", docId);
}
else
{
sql.AppendFormat(",{0}", docId);
}
}
else
{
long replaceFieldValue = this.DBProvider.GetDocIdReplaceFieldValue(docId);
replaceFieldValueToDocId.Add(replaceFieldValue, docId);
if (i++ == 0)
{
sql.AppendFormat("{0}", replaceFieldValue);
}
else
{
sql.AppendFormat(",{0}", replaceFieldValue);
}
}
}
sql.Append(")");
using (OLEDataProvider sqlData = new OLEDataProvider())
{
sqlData.Connect(Table.ConnectionString);
System.Data.DataTable table = sqlData.QuerySql(sql.ToString()).Tables[0];
if (DocIdReplaceField != null)
{
table.Columns.Add(new System.Data.DataColumn("DocId", typeof(int)));
for (i = 0; i < table.Rows.Count; i++)
{
table.Rows[i]["DocId"] =
replaceFieldValueToDocId[long.Parse(table.Rows[i][DocIdReplaceField].ToString())];
}
}
return(table);
}
}