/// <summary>
/// Copies the table schema from a DmTableSurrogate object into a DmTable object.
/// </summary>
public void ReadSchemaIntoDmTable(DmTable dt)
{
if (dt == null)
{
throw new ArgumentNullException("dt", "DmTable");
}
dt.TableName = this.TableName;
dt.Culture = new CultureInfo(this.CultureInfoName);
dt.Schema = this.Schema;
dt.CaseSensitive = this.CaseSensitive;
dt.OriginalProvider = this.OriginalProvider;
dt.SyncDirection = this.SyncDirection;
for (int i = 0; i < this.Columns.Count; i++)
{
DmColumn dmColumn = this.Columns[i].ConvertToDmColumn();
dt.Columns.Add(dmColumn);
}
if (this.PrimaryKeys != null && this.PrimaryKeys.Count > 0)
{
DmColumn[] keyColumns = new DmColumn[this.PrimaryKeys.Count];
for (int i = 0; i < this.PrimaryKeys.Count; i++)
{
string columnName = this.PrimaryKeys[i];
keyColumns[i] = dt.Columns.First(c => dt.IsEqual(c.ColumnName, columnName));
}
DmKey key = new DmKey(keyColumns);
dt.PrimaryKey = key;
}
}
public string CreateTableCommandText()
{
var stringBuilder = new StringBuilder();
stringBuilder.AppendLine($"CREATE TABLE {_trackingName.QuotedString} (");
// Adding the primary key
foreach (var pkColumn in _tableDescription.PrimaryKey.Columns)
{
var quotedColumnName = new ObjectNameParser(pkColumn.ColumnName, "\"", "\"").QuotedString;
var columnTypeString = _mySqlDbMetadata.TryGetOwnerDbTypeString(pkColumn.OriginalDbType,
pkColumn.DbType, false, false, _tableDescription.OriginalProvider,
PostgreSqlSyncProvider.ProviderType);
var unQuotedColumnType = new ObjectNameParser(columnTypeString, "\"", "\"").UnquotedString;
var columnPrecisionString = _mySqlDbMetadata.TryGetOwnerDbTypePrecision(pkColumn.OriginalDbType,
pkColumn.DbType, false, false, pkColumn.MaxLength, pkColumn.Precision, pkColumn.Scale,
_tableDescription.OriginalProvider, PostgreSqlSyncProvider.ProviderType);
var columnType = $"{unQuotedColumnType} {columnPrecisionString}";
stringBuilder.AppendLine($"{quotedColumnName} {columnType} NOT NULL, ");
}
// adding the tracking columns
stringBuilder.AppendLine($"\"create_scope_id\" UUID NULL, ");
stringBuilder.AppendLine($"\"update_scope_id\" UUID NULL, ");
stringBuilder.AppendLine($"\"create_timestamp\" INT8 NULL, ");
stringBuilder.AppendLine($"\"update_timestamp\" INT8 NULL, ");
stringBuilder.AppendLine($"\"timestamp\" INT8 NULL, ");
stringBuilder.AppendLine($"\"sync_row_is_tombstone\" INT2 NOT NULL default 0, ");
stringBuilder.AppendLine($"\"last_change_datetime\" TIMESTAMP NULL, ");
if (Filters != null && Filters.Count > 0)
{
foreach (var filter in Filters)
{
var columnFilter = _tableDescription.Columns[filter.ColumnName];
if (columnFilter == null)
{
throw new InvalidExpressionException(
$"Column {filter.ColumnName} does not exist in Table {_tableDescription.TableName.ToLowerInvariant()}");
}
var isPk = _tableDescription.PrimaryKey.Columns.Any(dm =>
_tableDescription.IsEqual(dm.ColumnName.ToLowerInvariant(),
filter.ColumnName.ToLowerInvariant()));
if (isPk)
{
continue;
}
var quotedColumnName = new ObjectNameParser(columnFilter.ColumnName, "\"", "\"").QuotedString;
var columnTypeString = _mySqlDbMetadata.TryGetOwnerDbTypeString(columnFilter.OriginalDbType,
columnFilter.DbType, false, false, _tableDescription.OriginalProvider,
PostgreSqlSyncProvider.ProviderType);
var unQuotedColumnType = new ObjectNameParser(columnTypeString, "\"", "\"").UnquotedString;
var columnPrecisionString = _mySqlDbMetadata.TryGetOwnerDbTypePrecision(columnFilter.OriginalDbType,
columnFilter.DbType, false, false, columnFilter.MaxLength, columnFilter.Precision,
columnFilter.Scale, _tableDescription.OriginalProvider, PostgreSqlSyncProvider.ProviderType);
var columnType = $"{unQuotedColumnType} {columnPrecisionString}";
var nullableColumn = columnFilter.AllowDBNull ? "NULL" : "NOT NULL";
stringBuilder.AppendLine($"{quotedColumnName} {columnType} {nullableColumn}, ");
}
}
stringBuilder.Append(" PRIMARY KEY (");
for (var i = 0; i < _tableDescription.PrimaryKey.Columns.Length; i++)
{
var pkColumn = _tableDescription.PrimaryKey.Columns[i];
var quotedColumnName = new ObjectNameParser(pkColumn.ColumnName, "\"", "\"").QuotedObjectName;
stringBuilder.Append(quotedColumnName);
if (i < _tableDescription.PrimaryKey.Columns.Length - 1)
{
stringBuilder.Append(", ");
}
}
stringBuilder.Append("))");
return(stringBuilder.ToString());
}
