/// <summary> /// Generates a querie list to create tables. /// <para/> /// SQL query Example: <para/> /// CREATE TABLE table1 (id INTEGER PRIMARY KEY, firstColumn TEXT NOT NULL, secondColumn REAL NOT NULL) /// </summary> /// <returns>Returns a list of queries to create the local tables.</returns> private List <string> CreateTableQueries(Dictionary <string, Table> tables) { List <string> tableQueries = new List <string>(); foreach (KeyValuePair <string, Table> table in tables) { SQLQueryBuilder sqb = new SQLQueryBuilder(); List <string> paramList = new List <string>(); int iter = 0; foreach (KeyValuePair <string, Type> column in table.Value.Columns) { sqb.AddValue(column.Key); if (column.Value == typeof(int)) { sqb.TypeInteger(); } else if (column.Value == typeof(string)) { sqb.TypeText(); } else if (column.Value == typeof(double)) { sqb.TypeReal(); } else if (column.Value == typeof(float)) { sqb.TypeReal(); } else if (column.Value == typeof(DateTime)) { sqb.TypeText(); } else { throw new NotSupportedException(column.Value.Name + " Datatype not supported"); } if (iter.Equals(0)) { sqb.ParamPrimaryKey(); } else { sqb.ParamNot().Null(); } paramList.Add(sqb.Flush()); iter++; } string values = sqb.Brackets_Multiple(paramList, false).Flush(); sqb.Create().Table().IfNotExists().AddValue(table.Value.TableName).AddValue(values); tableQueries.Add(sqb.ToString()); tableQueries.Add(CreateTriggerTable(table.Value.TableName)); tableQueries.Add(InsertStartValueTriggerTable(table.Value.TableName)); tableQueries.Add(CreateCounterAddTriger(table.Value.TableName)); tableQueries.Add(CreateCounterSubTriger(table.Value.TableName)); } return(tableQueries); }
/// <summary> /// Get's the last n rows from the specified table. /// <para/> /// SQL query Example:<para/> /// SELECT * FROM (SELECT * FROM name.table3 ORDER BY id DESC LIMIT 1) ORDER BY id ASC; /// </summary> /// <param name="rows">number of the rows to display.</param> /// <param name="table">The table to get the values from.</param> /// <param name="ascending">Ascending or descending by first param.</param> /// <returns></returns> public override List <List <object> > GetLastNRowsFromTable(Table table, int rows, bool ascending = true) { try { SQLQueryBuilder sqb = new SQLQueryBuilder(); sqb.Select().ALL().From().AddValue(table.TableName).OrderBY().AddValue(table.Columns.First().Key).Desc().Limit().AddValue(rows.ToString()); if (ascending) { string value = sqb.Flush(); sqb.Select().ALL().From().Brackets(value).OrderBY().AddValue(table.Columns.First().Key).Asc(); } List <List <object> > results = ReadQuery(sqb.ToString(), GenerateOutputValuesFromTable(table)); return(results); } catch (Exception) { throw; } }
/// <summary> /// Updates the given columns with the given id in the first column. /// Each row of rowsToUpdate must have the same size as rowsData. /// </summary> /// <param name="tableName">The table where rows should be updated.</param> /// <param name="rowsToUpdate">The rows with the name and data type to update.</param> /// <param name="rowsData">The rows with all column data which should be updated.</param> public override void UpdateTable(string tableName, List <Dictionary <string, Type> > rowsToUpdate, List <List <object> > rowsData) { int rowIter = 0; List <string> queryList = new List <string>(); foreach (Dictionary <string, Type> row in rowsToUpdate) { SQLQueryBuilder sqb = new SQLQueryBuilder(); List <object> columnData = rowsData[rowIter]; List <string> columns = new List <string>(); if (!row.Count.Equals(columnData.Count)) { throw new InvalidDataException(rowIter.ToString() + ". row size from rowsToUpdate doesn't match current row size from rowsData"); } int columnIter = 0; foreach (KeyValuePair <string, Type> column in row) { if (columnIter.Equals(0)) { columnIter++; continue; } if (!columnData[columnIter].GetType().Equals(column.Value)) { throw new TypeLoadException("Type of the data doesn't match the columns type!"); } if (column.Value == typeof(int)) { sqb.AddValue(columnData[columnIter].ToString()); } else if (column.Value == typeof(string)) { sqb.Apostrophe(sqb.AddValue(columnData[columnIter].ToString()).Flush()); } else if (column.Value == typeof(double)) { sqb.AddValue(columnData[columnIter].ToString().Replace(',', '.')); } else if (column.Value == typeof(float)) { sqb.AddValue(columnData[columnIter].ToString().Replace(',', '.')); } else if (column.Value == typeof(DateTime)) { DateTime convertTime = (DateTime)columnData[columnIter]; sqb.Apostrophe(sqb.AddValue(convertTime.ToString(_stringFormat)).Flush()); } else { throw new NotSupportedException(column.Value.Name + " Datatype not supported"); } string value = sqb.Flush(); sqb.AddValue(column.Key).Equal().AddValue(value); columns.Add(sqb.Flush()); columnIter++; } sqb.Update().AddValue(tableName).Set().AddValues(columns).Where().AddValue(row.First().Key).Equal().AddValue(columnData[0].ToString()); queryList.Add(sqb.ToString()); rowIter++; } CommitBatchQuery(queryList); }
/// <summary> /// Inserts the given objects into the given table. The first object "id" is ignored due to the auto increment, /// <para/> /// SQL query Example: <para/> /// INSERT INTO table3 (Name, Date, value) VALUES ('John Doe', '2018-12-06 12:01:16.767', 22.5); /// </summary> /// <param name="tableName">The name of the table to insert rows to.</param> /// <param name="rows">A list of rows with all column objects to insert.</param> /// <param name="tables">All saved tables.</param> public override void InsertIntoTable(string tableName, Dictionary <string, Table> tables, List <List <object> > rows) { List <string> queryList = new List <string>(); foreach (List <object> row in rows) { SQLQueryBuilder sqb = new SQLQueryBuilder(); List <string> firstBracket = new List <string>(); List <string> secondBracket = new List <string>(); int listIter = 0; foreach (KeyValuePair <string, Type> column in tables[tableName].Columns) { if (listIter.Equals(0)) { listIter++; continue; } if (!row[listIter].GetType().Equals(column.Value)) { throw new TypeLoadException("Type of the data doesn't match the columns type!"); } firstBracket.Add(sqb.AddValue(column.Key).Flush()); if (column.Value == typeof(int)) { sqb.AddValue(row[listIter].ToString()); } else if (column.Value == typeof(string)) { sqb.Apostrophe(sqb.AddValue(row[listIter].ToString()).Flush()); } else if (column.Value == typeof(double)) { sqb.AddValue(row[listIter].ToString().Replace(',', '.')); } else if (column.Value == typeof(float)) { sqb.AddValue(row[listIter].ToString().Replace(',', '.')); } else if (column.Value == typeof(DateTime)) { DateTime convertTime = (DateTime)row[listIter]; sqb.Apostrophe(sqb.AddValue(convertTime.ToString(_stringFormat)).Flush()); } else { throw new NotSupportedException(column.Value.Name + " Datatype not supported"); } secondBracket.Add(sqb.Flush()); listIter++; } string columnNames = sqb.Brackets_Multiple(firstBracket, false).Flush(); string columnValues = sqb.Brackets_Multiple(secondBracket, false).Flush(); sqb.InsertInto().AddValue(tableName).AddValue(columnNames).Values().AddValue(columnValues); queryList.Add(sqb.ToString()); } CommitBatchQuery(queryList); }
/// <summary> /// Generates a querie list to create tables. /// <para/> /// </summary> /// <returns>Returns a list of queries to create the local tables.</returns> private List <string> CreateTableQueries(ConcurrentDictionary <string, Table> tables) { try { List <string> tableQueries = new List <string>(); foreach (KeyValuePair <string, Table> table in tables) { SQLQueryBuilder sqb = new SQLQueryBuilder(); List <string> paramList = new List <string>(); int iter = 0; foreach (KeyValuePair <string, Type> column in table.Value.Columns) { sqb.AddValue(column.Key); if (iter.Equals(0)) { sqb.AddValue("AUTOINCREMENT").ParamPrimaryKey(); paramList.Add(sqb.Flush()); iter++; continue; } if (column.Value == typeof(int)) { sqb.TypeInteger(); } else if (column.Value == typeof(string)) { sqb.TypeText(); } else if (column.Value == typeof(double)) { sqb.TypeReal(); } else if (column.Value == typeof(float)) { sqb.TypeReal(); } else if (column.Value == typeof(DateTime)) { sqb.TypeDateTime(); } else { throw new NotSupportedException(column.Value.Name + " Datatype not supported"); } sqb.ParamNot().Null(); paramList.Add(sqb.Flush()); iter++; } string values = sqb.Brackets_Multiple(paramList, false).Flush(); sqb.Create().Table().AddValue(table.Value.TableName).AddValue(values); tableQueries.Add(sqb.ToString()); } return(tableQueries); } catch (Exception e) { throw e; } }