public static void ExecuteLeaves(this SqlPreCommand preCommand, CommandType commandType = CommandType.Text)
{
foreach (var simple in preCommand.Leaves())
{
simple.ExecuteNonQuery(commandType);
}
}
public static SqlPreCommand?SnapshotIsolation()
{
if (!Connector.Current.AllowsSetSnapshotIsolation)
{
return(null);
}
var list = Schema.Current.DatabaseNames().Select(a => a?.ToString()).ToList();
if (list.Contains(null))
{
list.Remove(null);
list.Add(Connector.Current.DatabaseName());
}
var cmd = list.NotNull()
.Where(db => !SnapshotIsolationEnabled(db))
.Select(db => SqlPreCommand.Combine(Spacing.Simple,
SqlBuilder.SetSingleUser(db),
SqlBuilder.SetSnapshotIsolation(db, true),
SqlBuilder.MakeSnapshotIsolationDefault(db, true),
SqlBuilder.SetMultiUser(db))
).Combine(Spacing.Double);
return(cmd);
}
private static SqlPreCommand AlterTableAddColumnDefault(ITable table, IColumn column, Replacements rep)
{
bool temporalDefault = !column.Nullable && !column.Identity && column.Default == null;
if (!temporalDefault)
{
return(SqlBuilder.AlterTableAddColumn(table, column));
}
try
{
var defaultValue = GetDefaultValue(table, column, rep);
if (defaultValue == "force")
{
return(SqlBuilder.AlterTableAddColumn(table, column));
}
column.Default = defaultValue;
return(SqlPreCommand.Combine(Spacing.Simple,
SqlBuilder.AlterTableAddColumn(table, column),
SqlBuilder.DropDefaultConstraint(table.Name, column.Name)));
}
finally
{
column.Default = null;
}
}
public static void OpenSqlFileRetry(this SqlPreCommand command)
{
SafeConsole.WriteLineColor(ConsoleColor.Yellow, "There are changes!");
var fileName = "Sync {0:dd-MM-yyyy HH_mm_ss}.sql".FormatWith(DateTime.Now);
Save(command, fileName);
SafeConsole.WriteLineColor(ConsoleColor.DarkYellow, command.PlainSql());
Console.WriteLine("Script saved in: " + Path.Combine(Directory.GetCurrentDirectory(), fileName));
var answer = SafeConsole.AskRetry("Open or run?", "open", "run", "exit");
if (answer == "open")
{
Thread.Sleep(1000);
Open(fileName);
if (SafeConsole.Ask("run now?"))
{
ExecuteRetry(fileName);
}
}
else if (answer == "run")
{
ExecuteRetry(fileName);
}
}
public static SqlPreCommand SnapshotIsolation(Replacements replacements)
{
if (replacements.SchemaOnly)
{
return(null);
}
var list = Schema.Current.DatabaseNames().Select(a => a?.ToString()).ToList();
if (list.Contains(null))
{
list.Remove(null);
list.Add(Connector.Current.DatabaseName());
}
var results = Database.View <SysDatabases>()
.Where(d => list.Contains(d.name))
.Select(d => new { d.name, d.snapshot_isolation_state, d.is_read_committed_snapshot_on }).ToList();
var cmd = replacements.WithReplacedDatabaseName().Using(_ => results.Select((a, i) =>
SqlPreCommand.Combine(Spacing.Simple,
!a.snapshot_isolation_state || !a.is_read_committed_snapshot_on ? DisconnectUsers(a.name, "SPID" + i) : null,
!a.snapshot_isolation_state ? SqlBuilder.SetSnapshotIsolation(a.name, true) : null,
!a.is_read_committed_snapshot_on ? SqlBuilder.MakeSnapshotIsolationDefault(a.name, true) : null)).Combine(Spacing.Double));
if (cmd == null)
{
return(null);
}
return(SqlPreCommand.Combine(Spacing.Double,
new SqlPreCommandSimple("use master -- Start Snapshot"),
cmd,
new SqlPreCommandSimple("use {0} -- Stop Snapshot".FormatWith(Connector.Current.DatabaseName()))));
}
public static SqlPreCommand SnapshotIsolation()
{
if (!Connector.Current.AllowsSetSnapshotIsolation)
{
return(null);
}
var list = Schema.Current.DatabaseNames().Select(a => a?.ToString()).ToList();
if (list.Contains(null))
{
list.Remove(null);
list.Add(Connector.Current.DatabaseName());
}
var cmd = list.Select(a =>
SqlPreCommand.Combine(Spacing.Simple,
//DisconnectUsers(a.name, "SPID" + i) : null,
SqlBuilder.SetSingleUser(a),
SqlBuilder.SetSnapshotIsolation(a, true),
SqlBuilder.MakeSnapshotIsolationDefault(a, true),
SqlBuilder.SetMultiUser(a))
).Combine(Spacing.Double);
return(cmd);
}
public static SqlPreCommand CreateIndex(Index index)
{
string columns = index.Columns.ToString(c => c.Name.SqlEscape(), ", ");
if (index is PrimaryClusteredIndex)
{
return(new SqlPreCommandSimple("ALTER TABLE {0} ADD CONSTRAINT {1} PRIMARY KEY CLUSTERED({2})".FormatWith(
index.Table.Name,
index.IndexName,
columns)));
}
if (index is UniqueIndex uIndex && uIndex.ViewName != null)
{
ObjectName viewName = new ObjectName(uIndex.Table.Name.Schema, uIndex.ViewName);
SqlPreCommandSimple viewSql = new SqlPreCommandSimple(@"CREATE VIEW {0} WITH SCHEMABINDING AS SELECT {1} FROM {2} WHERE {3}"
.FormatWith(viewName, columns, uIndex.Table.Name.ToString(), uIndex.Where))
{
GoBefore = true, GoAfter = true
};
SqlPreCommandSimple indexSql = new SqlPreCommandSimple(@"CREATE UNIQUE CLUSTERED INDEX {0} ON {1}({2})"
.FormatWith(uIndex.IndexName, viewName, uIndex.Columns.ToString(c => c.Name.SqlEscape(), ", ")));
return(SqlPreCommand.Combine(Spacing.Simple, viewSql, indexSql));
}
public static SqlPreCommand?CreateTablesScript()
{
var sqlBuilder = Connector.Current.SqlBuilder;
Schema s = Schema.Current;
List <ITable> tables = s.GetDatabaseTables().Where(t => !s.IsExternalDatabase(t.Name.Schema.Database)).ToList();
SqlPreCommand?createTables = tables.Select(t => sqlBuilder.CreateTableSql(t)).Combine(Spacing.Double)?.PlainSqlCommand();
SqlPreCommand?foreignKeys = tables.Select(sqlBuilder.AlterTableForeignKeys).Combine(Spacing.Double)?.PlainSqlCommand();
SqlPreCommand?indices = tables.Select(t =>
{
var allIndexes = t.GeneratAllIndexes().Where(a => !(a is PrimaryKeyIndex));;
var mainIndices = allIndexes.Select(ix => sqlBuilder.CreateIndex(ix, checkUnique: null)).Combine(Spacing.Simple);
var historyIndices = t.SystemVersioned == null ? null :
allIndexes.Where(a => a.GetType() == typeof(TableIndex)).Select(mix => sqlBuilder.CreateIndexBasic(mix, forHistoryTable: true)).Combine(Spacing.Simple);
return(SqlPreCommand.Combine(Spacing.Double, mainIndices, historyIndices));
}).NotNull().Combine(Spacing.Double)?.PlainSqlCommand();
return(SqlPreCommand.Combine(Spacing.Triple, createTables, foreignKeys, indices));
}
public static SqlPreCommand?SnapshotIsolation()
{
var connector = Connector.Current;
if (!connector.AllowsSetSnapshotIsolation)
{
return(null);
}
var list = connector.Schema.DatabaseNames().Select(a => a?.ToString()).ToList();
if (list.Contains(null))
{
list.Remove(null);
list.Add(connector.DatabaseName());
}
var sqlBuilder = connector.SqlBuilder;
var cmd = list.NotNull()
.Select(dbn => new DatabaseName(null, dbn, connector.Schema.Settings.IsPostgres))
.Where(db => !SnapshotIsolationEnabled(db))
.Select(db => SqlPreCommand.Combine(Spacing.Simple,
sqlBuilder.SetSingleUser(db),
sqlBuilder.SetSnapshotIsolation(db, true),
sqlBuilder.MakeSnapshotIsolationDefault(db, true),
sqlBuilder.SetMultiUser(db))
).Combine(Spacing.Double);
return(cmd);
}
public static void OpenSqlFileRetry(this SqlPreCommand command)
{
SafeConsole.WriteLineColor(ConsoleColor.Yellow, "There are changes!");
string file = command.OpenSqlFile();
if (!AvoidOpenOpenSqlFileRetry && SafeConsole.Ask("Open again?"))
{
Process.Start(file);
}
}
public static string OpenSqlFile(this SqlPreCommand command, string fileName)
{
Save(command, fileName);
Thread.Sleep(1000);
Process.Start(fileName);
return(fileName);
}
public static SqlPreCommand PlainSqlCommand(this SqlPreCommand command)
{
if (command == null)
{
return(null);
}
return(command.PlainSql().SplitNoEmpty("GO\r\n")
.Select(s => new SqlPreCommandSimple(s))
.Combine(Spacing.Simple));
}
public static SqlPreCommand RenameOrMove(DiffTable oldTable, ITable newTable)
{
if (object.Equals(oldTable.Name.Schema.Database, newTable.Name.Schema.Database))
{
return(RenameOrChangeSchema(oldTable.Name, newTable.Name));
}
return(SqlPreCommand.Combine(Spacing.Simple,
CreateTableSql(newTable),
MoveRows(oldTable.Name, newTable.Name, newTable.Columns.Keys),
DropTable(oldTable)) !);
}
public static SqlPreCommand RemoveAllScript(DatabaseName databaseName)
{
var schemas = SqlBuilder.SystemSchemas.ToString(a => "'" + a + "'", ", ");
return(SqlPreCommand.Combine(Spacing.Double,
new SqlPreCommandSimple(Use(databaseName, RemoveAllProceduresScript)),
new SqlPreCommandSimple(Use(databaseName, RemoveAllViewsScript)),
new SqlPreCommandSimple(Use(databaseName, RemoveAllConstraintsScript)),
new SqlPreCommandSimple(Use(databaseName, RemoveAllTablesScript)),
new SqlPreCommandSimple(Use(databaseName, RemoveAllSchemasScript.FormatWith(schemas)))
));
}
public static SqlPreCommand CreateTablesScript()
{
List <ITable> tables = Schema.Current.GetDatabaseTables().ToList();
SqlPreCommand createTables = tables.Select(SqlBuilder.CreateTableSql).Combine(Spacing.Double).PlainSqlCommand();
SqlPreCommand foreignKeys = tables.Select(SqlBuilder.AlterTableForeignKeys).Combine(Spacing.Double).PlainSqlCommand();
SqlPreCommand indices = tables.Select(SqlBuilder.CreateAllIndices).NotNull().Combine(Spacing.Double).PlainSqlCommand();
return(SqlPreCommand.Combine(Spacing.Triple, createTables, foreignKeys, indices));
}
public static SqlPreCommand RemoveAllScript(DatabaseName databaseName)
{
var schemas = SqlBuilder.SystemSchemas.ToString(a => "'" + a + "'", ", ");
return(SqlPreCommand.Combine(Spacing.Double,
new SqlPreCommandSimple(Use(databaseName, RemoveAllProceduresScript)),
new SqlPreCommandSimple(Use(databaseName, RemoveAllViewsScript)),
new SqlPreCommandSimple(Use(databaseName, RemoveAllConstraintsScript)),
Connector.Current.SupportsTemporalTables ? new SqlPreCommandSimple(Use(databaseName, StopSystemVersioning)) : null,
new SqlPreCommandSimple(Use(databaseName, RemoveAllTablesScript)),
new SqlPreCommandSimple(Use(databaseName, RemoveAllSchemasScript.FormatWith(schemas)))
));
}
public static SqlPreCommand?RemoveDuplicatedIndices()
{
var isPostgres = Schema.Current.Settings.IsPostgres;
var sqlBuilder = Connector.Current.SqlBuilder;
var plainData = (from s in Database.View <SysSchemas>()
from t in s.Tables()
from ix in t.Indices()
from ic in ix.IndexColumns()
from c in t.Columns()
where ic.column_id == c.column_id
select new
{
table = new ObjectName(new SchemaName(null, s.name, isPostgres), t.name, isPostgres),
index = ix.name,
ix.is_unique,
column = c.name,
ic.is_descending_key,
ic.is_included_column,
ic.index_column_id
}).ToList();
var tables = plainData.AgGroupToDictionary(a => a.table,
gr => gr.AgGroupToDictionary(a => new { a.index, a.is_unique },
gr2 => gr2.OrderBy(a => a.index_column_id)
.Select(a => a.column + (a.is_included_column ? "(K)" : "(I)") + (a.is_descending_key ? "(D)" : "(A)"))
.ToString("|")));
var result = tables.SelectMany(t =>
t.Value.GroupBy(a => a.Value, a => a.Key)
.Where(gr => gr.Count() > 1)
.Select(gr =>
{
var best = gr.OrderByDescending(a => a.is_unique).ThenByDescending(a => a.index !/*CSBUG*/.StartsWith("IX")).ThenByDescending(a => a.index).First();
return(gr.Where(g => g != best)
.Select(g => sqlBuilder.DropIndex(t.Key !, g.index !))
.PreAnd(new SqlPreCommandSimple("-- DUPLICATIONS OF {0}".FormatWith(best.index))).Combine(Spacing.Simple));
})
).Combine(Spacing.Double);
if (result == null)
{
return(null);
}
return(SqlPreCommand.Combine(Spacing.Double,
new SqlPreCommandSimple("use {0}".FormatWith(Connector.Current.DatabaseName())),
result));
}
public static SqlPreCommand CreateIndex(Index index)
{
string columns = index.Columns.ToString(c => c.Name.SqlEscape(), ", ");
if (!(index is UniqueIndex))
{
return(new SqlPreCommandSimple("CREATE INDEX {0} ON {1}({2})".FormatWith(
index.IndexName,
index.Table.Name,
columns)));
}
else
{
var uIndex = (UniqueIndex)index;
if (string.IsNullOrEmpty(uIndex.Where))
{
return(new SqlPreCommandSimple("CREATE {0}INDEX {1} ON {2}({3})".FormatWith(
uIndex is UniqueIndex ? "UNIQUE " : null,
uIndex.IndexName,
uIndex.Table.Name,
columns)));
}
if (uIndex.ViewName != null)
{
ObjectName viewName = new ObjectName(uIndex.Table.Name.Schema, uIndex.ViewName);
SqlPreCommandSimple viewSql = new SqlPreCommandSimple(@"CREATE VIEW {0} WITH SCHEMABINDING AS SELECT {1} FROM {2} WHERE {3}"
.FormatWith(viewName, columns, uIndex.Table.Name.ToString(), uIndex.Where))
{
GoBefore = true, GoAfter = true
};
SqlPreCommandSimple indexSql = new SqlPreCommandSimple(@"CREATE UNIQUE CLUSTERED INDEX {0} ON {1}({2})"
.FormatWith(uIndex.IndexName, viewName, uIndex.Columns.ToString(c => c.Name.SqlEscape(), ", ")));
return(SqlPreCommand.Combine(Spacing.Simple, viewSql, indexSql));
}
else
{
return(new SqlPreCommandSimple("CREATE UNIQUE INDEX {0} ON {1}({2}) WHERE {3}".FormatWith(
uIndex.IndexName,
uIndex.Table.Name,
columns, uIndex.Where)));
}
}
}
public static SqlPreCommand TotalSynchronizeScript(bool interactive = true, bool schemaOnly = false)
{
var command = Schema.Current.SynchronizationScript(interactive, schemaOnly);
if (command == null)
{
return(null);
}
return(SqlPreCommand.Combine(Spacing.Double,
new SqlPreCommandSimple(SynchronizerMessage.StartOfSyncScriptGeneratedOn0.NiceToString().FormatWith(DateTime.Now)),
new SqlPreCommandSimple("use {0}".FormatWith(Connector.Current.DatabaseName())),
command,
new SqlPreCommandSimple(SynchronizerMessage.EndOfSyncScript.NiceToString())));
}
public static string OpenSqlFile(this SqlPreCommand command, string fileName)
{
Save(command, fileName);
Thread.Sleep(1000);
new Process
{
StartInfo = new ProcessStartInfo(Path.Combine(Directory.GetCurrentDirectory(), fileName))
{
UseShellExecute = true
}
}.Start();
return(fileName);
}
public static SqlPreCommand MoveRows(ObjectName oldTable, ObjectName newTable, IEnumerable <string> columnNames)
{
SqlPreCommandSimple command = new SqlPreCommandSimple(
@"INSERT INTO {0} ({2})
SELECT {3}
FROM {1} as [table]".FormatWith(
newTable,
oldTable,
columnNames.ToString(a => a.SqlEscape(), ", "),
columnNames.ToString(a => "[table]." + a.SqlEscape(), ", ")));
return(SqlPreCommand.Combine(Spacing.Simple,
new SqlPreCommandSimple("SET IDENTITY_INSERT {0} ON".FormatWith(newTable)),
command,
new SqlPreCommandSimple("SET IDENTITY_INSERT {0} OFF".FormatWith(newTable))));
}
public static SqlPreCommand AlterTableAlterColumn(ITable table, IColumn column, string?defaultConstraintName = null, ObjectName?forceTableName = null)
{
var alterColumn = new SqlPreCommandSimple("ALTER TABLE {0} ALTER COLUMN {1}".FormatWith(forceTableName ?? table.Name, CreateColumn(column, null, isChange: true)));
if (column.Default == null)
{
return(alterColumn);
}
var defCons = GetDefaultConstaint(table, column) !;
return(SqlPreCommand.Combine(Spacing.Simple,
AlterTableDropConstraint(table.Name, defaultConstraintName ?? defCons.Name),
alterColumn,
AlterTableAddDefaultConstraint(table.Name, defCons)
) !);
}
public static SqlPreCommand RenameOrChangeSchema(ObjectName oldTableName, ObjectName newTableName)
{
if (!object.Equals(oldTableName.Schema.Database, newTableName.Schema.Database))
{
throw new InvalidOperationException("Different database");
}
if (object.Equals(oldTableName.Schema, newTableName.Schema))
{
return(RenameTable(oldTableName, newTableName.Name));
}
var oldNewSchema = oldTableName.OnSchema(newTableName.Schema);
return(SqlPreCommand.Combine(Spacing.Simple,
AlterSchema(oldTableName, newTableName.Schema),
oldNewSchema.Equals(newTableName) ? null : RenameTable(oldNewSchema, newTableName.Name)) !);
}
private static SqlPreCommand SyncEnums(Schema schema, Table table, Dictionary <string, Entity> current, Dictionary <string, Entity> should)
{
var deletes = Synchronizer.SynchronizeScript(
should,
current,
null,
(str, c) => table.DeleteSqlSync(c, comment: c.toStr),
null, Spacing.Double);
var moves = Synchronizer.SynchronizeScript(
should,
current,
null,
null,
(str, s, c) =>
{
if (s.id == c.id)
{
return(table.UpdateSqlSync(c, comment: c.toStr));
}
var insert = table.InsertSqlSync(s);
var move = (from t in schema.GetDatabaseTables()
from col in t.Columns.Values
where col.ReferenceTable == table
select new SqlPreCommandSimple("UPDATE {0} SET {1} = {2} WHERE {1} = {3} -- {4} re-indexed"
.FormatWith(t.Name, col.Name, s.Id, c.Id, c.toStr)))
.Combine(Spacing.Simple);
var delete = table.DeleteSqlSync(c, comment: c.toStr);
return(SqlPreCommand.Combine(Spacing.Simple, insert, move, delete));
}, Spacing.Double);
var creates = Synchronizer.SynchronizeScript(
should,
current,
(str, s) => table.InsertSqlSync(s),
null,
null, Spacing.Double);
return(SqlPreCommand.Combine(Spacing.Double, deletes, moves, creates));
}
private static SqlPreCommand AlterTableAddColumnDefault(ITable table, IColumn column, Replacements rep)
{
bool temporalDefault = !column.Nullable && !column.Identity && column.Default == null;
if (!temporalDefault)
{
return(SqlBuilder.AlterTableAddColumn(table, column));
}
string defaultValue = rep.Interactive ? SafeConsole.AskString("Default value for '{0}.{1}'? (or press enter) ".FormatWith(table.Name.Name, column.Name), stringValidator: str => null) : "";
if (defaultValue == "null")
{
return(SqlBuilder.AlterTableAddColumn(table, column));
}
try
{
column.Default = defaultValue;
if (column.Default.HasText() && SqlBuilder.IsString(column.SqlDbType) && !column.Default.Contains("'"))
{
column.Default = "'" + column.Default + "'";
}
if (string.IsNullOrEmpty(column.Default))
{
column.Default = SqlBuilder.IsNumber(column.SqlDbType) ? "0" :
SqlBuilder.IsString(column.SqlDbType) ? "''" :
SqlBuilder.IsDate(column.SqlDbType) ? "GetDate()" :
"?";
}
return(SqlPreCommand.Combine(Spacing.Simple,
SqlBuilder.AlterTableAddColumn(table, column),
SqlBuilder.DropDefaultConstraint(table.Name, column.Name)));
}
finally
{
column.Default = null;
}
}
public static SqlPreCommand CreateIndex(Index index, Replacements?checkUnique)
{
if (index is PrimaryClusteredIndex)
{
var columns = index.Columns.ToString(c => c.Name.SqlEscape(), ", ");
return(new SqlPreCommandSimple($"ALTER TABLE {index.Table.Name} ADD CONSTRAINT {index.IndexName} PRIMARY KEY CLUSTERED({columns})"));
}
if (index is UniqueIndex uIndex)
{
if (uIndex.ViewName != null)
{
ObjectName viewName = new ObjectName(uIndex.Table.Name.Schema, uIndex.ViewName);
var columns = index.Columns.ToString(c => c.Name.SqlEscape(), ", ");
SqlPreCommandSimple viewSql = new SqlPreCommandSimple($"CREATE VIEW {viewName} WITH SCHEMABINDING AS SELECT {columns} FROM {uIndex.Table.Name.ToString()} WHERE {uIndex.Where}")
{
GoBefore = true, GoAfter = true
};
SqlPreCommandSimple indexSql = new SqlPreCommandSimple($"CREATE UNIQUE CLUSTERED INDEX {uIndex.IndexName} ON {viewName}({columns})");
return(SqlPreCommand.Combine(Spacing.Simple,
checkUnique != null ? RemoveDuplicatesIfNecessary(uIndex, checkUnique) : null,
viewSql,
indexSql) !);
}
else
{
return(SqlPreCommand.Combine(Spacing.Double,
checkUnique != null ? RemoveDuplicatesIfNecessary(uIndex, checkUnique) : null,
CreateIndexBasic(index, false)) !);
}
}
else
{
return(CreateIndexBasic(index, forHistoryTable: false));
}
}
public static SqlPreCommand RenameOrMove(DiffTable oldTable, ITable newTable)
{
if (object.Equals(oldTable.Name.Schema, newTable.Name.Schema))
{
return(RenameTable(oldTable.Name, newTable.Name.Name));
}
if (object.Equals(oldTable.Name.Schema.Database, newTable.Name.Schema.Database))
{
var oldNewSchema = oldTable.Name.OnSchema(newTable.Name.Schema);
return(SqlPreCommand.Combine(Spacing.Simple,
AlterSchema(oldTable.Name, newTable.Name.Schema),
oldNewSchema.Equals(newTable.Name) ? null : RenameTable(oldNewSchema, newTable.Name.Name)));
}
return(SqlPreCommand.Combine(Spacing.Simple,
CreateTableSql(newTable),
MoveRows(oldTable.Name, newTable.Name, newTable.Columns.Keys),
DropTable(oldTable.Name)));
}
internal static SqlPreCommand CopyData(ITable newTable, DiffTable oldTable, Replacements rep)
{
var selectColumns = newTable.Columns
.Select(col => oldTable.Columns.TryGetC(col.Key)?.Name ?? GetDefaultValue(newTable, col.Value, rep))
.ToString(", ");
var insertSelect = new SqlPreCommandSimple(
$@"INSERT INTO {newTable.Name} ({newTable.Columns.Values.ToString(a => a.Name, ", ")})
SELECT {selectColumns}
FROM {oldTable.Name}");
if (!newTable.PrimaryKey.Identity)
{
return(insertSelect);
}
return(SqlPreCommand.Combine(Spacing.Simple,
SqlBuilder.SetIdentityInsert(newTable.Name, true),
insertSelect,
SqlBuilder.SetIdentityInsert(newTable.Name, false)
));
}
public static SqlPreCommand Combine(this IEnumerable <SqlPreCommand> preCommands, Spacing spacing)
{
return(SqlPreCommand.Combine(spacing, preCommands.ToArray()));
}
public static void Save(this SqlPreCommand command, string fileName)
{
string content = command.PlainSql();
File.WriteAllText(fileName, content, Encoding.GetEncoding(1252));
}
internal SqlPreCommandConcat(Spacing spacing, SqlPreCommand[] commands)
{
this.Spacing = spacing;
this.Commands = commands;
}