public static void CreateClusters(TextWriter writer, PgSchema oldSchema, PgSchema newSchema, SearchPathHelper searchPathHelper) { foreach (var newTable in newSchema.GetTables()) { var oldTable = oldSchema?.GetTable(newTable.Name); var oldCluster = oldTable?.ClusterIndexName; var newCluster = newTable.ClusterIndexName; if (oldCluster == null && newCluster != null || oldCluster != null && newCluster != null && newCluster.CompareTo(oldCluster) != 0) { searchPathHelper.OutputSearchPath(writer); writer.WriteLine(); writer.Write("ALTER TABLE "); writer.Write(PgDiffUtils.GetQuotedName(newTable.Name)); writer.Write(" CLUSTER ON "); writer.Write(PgDiffUtils.GetQuotedName(newCluster)); writer.WriteLine(';'); } } }
private static void CheckWithOids(TextWriter writer, PgTable oldTable, PgTable newTable, SearchPathHelper searchPathHelper) { if (oldTable.With == null && newTable.With == null || oldTable.With != null && oldTable.With.Equals(newTable.With)) { return; } searchPathHelper.OutputSearchPath(writer); writer.WriteLine(); writer.WriteLine("ALTER TABLE " + PgDiffUtils.GetQuotedName(newTable.Name)); if (newTable.With == null || "OIDS=false".EqualsIgnoreCase(newTable.With)) { writer.WriteLine("\tSET WITHOUT OIDS;"); } else if ("OIDS".EqualsIgnoreCase(newTable.With) || "OIDS=true".EqualsIgnoreCase(newTable.With)) { writer.WriteLine("\tSET WITH OIDS;"); } else { writer.WriteLine("\tSET " + newTable.With + ";"); } }
public static void AlterComments(TextWriter writer, PgSchema oldSchema, PgSchema newSchema, SearchPathHelper searchPathHelper) { if (oldSchema == null) { return; } foreach (var oldFun in oldSchema.GetFunctions()) { var newFunction = newSchema.GetFunction(oldFun.GetSignature()); if (newFunction == null) { continue; } if (oldFun.Comment == null && newFunction.Comment != null || oldFun.Comment != null && newFunction.Comment != null && !oldFun.Comment.Equals( newFunction.Comment)) { searchPathHelper.OutputSearchPath(writer); writer.WriteLine(); writer.Write("COMMENT ON FUNCTION "); writer.Write(PgDiffUtils.GetQuotedName(newFunction.Name)); writer.Write('('); var addComma = false; foreach (var argument in newFunction.GetArguments()) { if (addComma) { writer.Write(", "); } else { addComma = true; } writer.Write(argument.GetDeclaration(false)); } writer.Write(") IS "); writer.Write(newFunction.Comment); writer.WriteLine(';'); } else if (oldFun.Comment != null && newFunction.Comment == null) { searchPathHelper.OutputSearchPath(writer); writer.WriteLine(); writer.Write("COMMENT ON FUNCTION "); writer.Write(PgDiffUtils.GetQuotedName(newFunction.Name)); writer.Write('('); var addComma = false; foreach (var argument in newFunction.GetArguments()) { if (addComma) { writer.Write(", "); } else { addComma = true; } writer.Write(argument.GetDeclaration(false)); } writer.WriteLine(") IS NULL;"); } } }
public static void AlterViews(TextWriter writer, PgSchema oldSchema, PgSchema newSchema, SearchPathHelper searchPathHelper) { if (oldSchema == null) { return; } foreach (var oldView in oldSchema.GetViews()) { var newView = newSchema.GetView(oldView.Name); if (newView == null) { continue; } DiffDefaultValues(writer, oldView, newView, searchPathHelper); if (oldView.Comment == null && newView.Comment != null || oldView.Comment != null && newView.Comment != null && !oldView.Comment.Equals( newView.Comment)) { searchPathHelper.OutputSearchPath(writer); writer.WriteLine(); writer.Write("COMMENT ON VIEW "); writer.Write(PgDiffUtils.GetQuotedName(newView.Name)); writer.Write(" IS "); writer.Write(newView.Comment); writer.WriteLine(';'); } else if (oldView.Comment != null && newView.Comment == null) { searchPathHelper.OutputSearchPath(writer); writer.WriteLine(); writer.Write("COMMENT ON VIEW "); writer.Write(PgDiffUtils.GetQuotedName(newView.Name)); writer.WriteLine(" IS NULL;"); } var columnNames = newView.ColumnComments.Select(c => c.ColumnName).ToList(); foreach (var columnComment in oldView.ColumnComments) { if (!columnNames.Contains(columnComment.ColumnName)) { columnNames.Add(columnComment.ColumnName); } } foreach (var columnName in columnNames) { var oldColumnComment = oldView.ColumnComments.FirstOrDefault(cc => columnName.Equals(cc.ColumnName)); var newColumnComment = newView.ColumnComments.FirstOrDefault(cc => columnName.Equals(cc.ColumnName)); if (oldColumnComment == null && newColumnComment != null || oldColumnComment != null && newColumnComment != null && !oldColumnComment.Comment.Equals( newColumnComment.Comment)) { searchPathHelper.OutputSearchPath(writer); writer.WriteLine(); writer.Write("COMMENT ON COLUMN "); writer.Write(PgDiffUtils.GetQuotedName(newView.Name)); writer.Write('.'); writer.Write(PgDiffUtils.GetQuotedName(newColumnComment.ColumnName)); writer.Write(" IS "); writer.Write(newColumnComment.Comment); writer.WriteLine(';'); } else if (oldColumnComment != null && newColumnComment == null) { searchPathHelper.OutputSearchPath(writer); writer.WriteLine(); writer.Write("COMMENT ON COLUMN "); writer.Write(PgDiffUtils.GetQuotedName(newView.Name)); writer.Write('.'); writer.Write(PgDiffUtils.GetQuotedName(oldColumnComment.ColumnName)); writer.WriteLine(" IS NULL;"); } } } }
private static void DiffDefaultValues(TextWriter writer, PgView oldView, PgView newView, SearchPathHelper searchPathHelper) { var oldValues = oldView.DefaultValues; var newValues = newView.DefaultValues; // modify defaults that are in old view foreach (var oldValue in oldValues) { var found = false; foreach (var newValue in newValues) { if (oldValue.ColumnName.Equals(newValue.ColumnName)) { found = true; if (!oldValue._DefaultValue.Equals(newValue._DefaultValue)) { searchPathHelper.OutputSearchPath(writer); writer.WriteLine(); writer.Write("ALTER TABLE "); writer.Write(PgDiffUtils.GetQuotedName(newView.Name)); writer.Write(" ALTER COLUMN "); writer.Write(PgDiffUtils.GetQuotedName(newValue.ColumnName)); writer.Write(" SET DEFAULT "); writer.Write(newValue._DefaultValue); writer.WriteLine(';'); } break; } } if (!found) { searchPathHelper.OutputSearchPath(writer); writer.WriteLine(); writer.Write("ALTER TABLE "); writer.Write(PgDiffUtils.GetQuotedName(newView.Name)); writer.Write(" ALTER COLUMN "); writer.Write(PgDiffUtils.GetQuotedName(oldValue.ColumnName)); writer.WriteLine(" DROP DEFAULT;"); } } // add new defaults foreach (var newValue in newValues) { var found = oldValues.Any(ov => newValue.ColumnName.Equals(ov.ColumnName)); if (found) { continue; } searchPathHelper.OutputSearchPath(writer); writer.WriteLine(); writer.Write("ALTER TABLE "); writer.Write(PgDiffUtils.GetQuotedName(newView.Name)); writer.Write(" ALTER COLUMN "); writer.Write(PgDiffUtils.GetQuotedName(newValue.ColumnName)); writer.Write(" SET DEFAULT "); writer.Write(newValue._DefaultValue); writer.WriteLine(';'); } }
public static void AlterSequences(TextWriter writer, PgDiffArguments arguments, PgSchema oldSchema, PgSchema newSchema, SearchPathHelper searchPathHelper) { if (oldSchema == null) { return; } var sbSql = new StringBuilder(100); foreach (var newSequence in newSchema.GetSequences()) { var oldSequence = oldSchema.GetSequence(newSequence.Name); if (oldSequence == null) { continue; } sbSql.Length = 0; var oldIncrement = oldSequence.Increment; var newIncrement = newSequence.Increment; if (newIncrement != null && !newIncrement.Equals(oldIncrement)) { sbSql.Append("\n\tINCREMENT BY "); sbSql.Append(newIncrement); } var oldMinValue = oldSequence.MinValue; var newMinValue = newSequence.MinValue; if (newMinValue == null && oldMinValue != null) { sbSql.Append("\n\tNO MINVALUE"); } else if (newMinValue != null && !newMinValue.Equals(oldMinValue)) { sbSql.Append("\n\tMINVALUE "); sbSql.Append(newMinValue); } var oldMaxValue = oldSequence.MaxValue; var newMaxValue = newSequence.MaxValue; if (newMaxValue == null && oldMaxValue != null) { sbSql.Append("\n\tNO MAXVALUE"); } else if (newMaxValue != null && !newMaxValue.Equals(oldMaxValue)) { sbSql.Append("\n\tMAXVALUE "); sbSql.Append(newMaxValue); } if (!arguments.IgnoreStartWith) { var oldStart = oldSequence.StartWith; var newStart = newSequence.StartWith; if (newStart != null && !newStart.Equals(oldStart)) { sbSql.Append("\n\tRESTART WITH "); sbSql.Append(newStart); } } var oldCache = oldSequence.Cache; var newCache = newSequence.Cache; if (newCache != null && !newCache.Equals(oldCache)) { sbSql.Append("\n\tCACHE "); sbSql.Append(newCache); } var oldCycle = oldSequence.Cycle; var newCycle = newSequence.Cycle; if (oldCycle && !newCycle) { sbSql.Append("\n\tNO CYCLE"); } else if (!oldCycle && newCycle) { sbSql.Append("\n\tCYCLE"); } var oldOwnedBy = oldSequence.OwnedBy; var newOwnedBy = newSequence.OwnedBy; if (newOwnedBy != null && !newOwnedBy.Equals(oldOwnedBy)) { sbSql.Append("\n\tOWNED BY "); sbSql.Append(newOwnedBy); } if (sbSql.Length > 0) { searchPathHelper.OutputSearchPath(writer); writer.WriteLine(); writer.Write("ALTER SEQUENCE " + PgDiffUtils.GetQuotedName(newSequence.Name)); writer.Write(sbSql.ToString()); writer.WriteLine(';'); } if (oldSequence.Comment == null && newSequence.Comment != null || oldSequence.Comment != null && newSequence.Comment != null && !oldSequence.Comment.Equals( newSequence.Comment)) { searchPathHelper.OutputSearchPath(writer); writer.WriteLine(); writer.Write("COMMENT ON SEQUENCE "); writer.Write(PgDiffUtils.GetQuotedName(newSequence.Name)); writer.Write(" IS "); writer.Write(newSequence.Comment); writer.WriteLine(';'); } else if (oldSequence.Comment != null && newSequence.Comment == null) { searchPathHelper.OutputSearchPath(writer); writer.WriteLine(); writer.Write("COMMENT ON SEQUENCE "); writer.Write(newSequence.Name); writer.WriteLine(" IS NULL;"); } } }
public static void AlterComments(TextWriter writer, PgSchema oldSchema, PgSchema newSchema, SearchPathHelper searchPathHelper) { if (oldSchema == null) { return; } foreach (var oldTable in oldSchema.GetTables()) { var newTable = newSchema.GetTable(oldTable.Name); if (newTable == null) { continue; } foreach (var oldConstraint in oldTable.Constraints) { var newConstraint = newTable.GetConstraint(oldConstraint.Name); if (newConstraint == null) { continue; } if (oldConstraint.Comment == null && newConstraint.Comment != null || oldConstraint.Comment != null && newConstraint.Comment != null && !oldConstraint.Comment.Equals( newConstraint.Comment)) { searchPathHelper.OutputSearchPath(writer); writer.WriteLine(); writer.Write("COMMENT ON "); if (newConstraint.IsPrimaryKeyConstraint()) { writer.Write("INDEX "); writer.Write(PgDiffUtils.GetQuotedName(newConstraint.Name)); } else { writer.Write("CONSTRAINT "); writer.Write(PgDiffUtils.GetQuotedName(newConstraint.Name)); writer.Write(" ON "); writer.Write(PgDiffUtils.GetQuotedName(newConstraint.TableName)); } writer.Write(" IS "); writer.Write(newConstraint.Comment); writer.WriteLine(';'); } else if (oldConstraint.Comment != null && newConstraint.Comment == null) { searchPathHelper.OutputSearchPath(writer); writer.WriteLine(); writer.Write("COMMENT ON "); if (newConstraint.IsPrimaryKeyConstraint()) { writer.Write("INDEX "); writer.Write(PgDiffUtils.GetQuotedName(newConstraint.Name)); } else { writer.Write("CONSTRAINT "); writer.Write(PgDiffUtils.GetQuotedName(newConstraint.Name)); writer.Write(" ON "); writer.Write(PgDiffUtils.GetQuotedName(newConstraint.TableName)); } writer.WriteLine(" IS NULL;"); } } } }