/** Add all the appropriate changes based on the column changes. */
@Override
public void generate(DdlWrite writer, AlterColumn alterColumn) throws IOException {
if (isTrue(alterColumn.isHistoryExclude())) {
regenerateHistoryTriggers(
alterColumn.getTableName(),
HistoryTableUpdate.Change.EXCLUDE,
alterColumn.getColumnName());
} else if (isFalse(alterColumn.isHistoryExclude())) {
regenerateHistoryTriggers(
alterColumn.getTableName(),
HistoryTableUpdate.Change.INCLUDE,
alterColumn.getColumnName());
}
if (hasValue(alterColumn.getDropForeignKey())) {
alterColumnDropForeignKey(writer, alterColumn);
}
if (hasValue(alterColumn.getReferences())) {
alterColumnAddForeignKey(writer, alterColumn);
}
if (hasValue(alterColumn.getDropUnique())) {
alterColumnDropUniqueConstraint(writer, alterColumn);
}
if (hasValue(alterColumn.getUnique())) {
alterColumnAddUniqueConstraint(writer, alterColumn);
}
if (hasValue(alterColumn.getUniqueOneToOne())) {
alterColumnAddUniqueOneToOneConstraint(writer, alterColumn);
}
boolean alterBaseAttributes = false;
if (hasValue(alterColumn.getType())) {
alterColumnType(writer, alterColumn);
alterBaseAttributes = true;
}
if (hasValue(alterColumn.getDefaultValue())) {
alterColumnDefaultValue(writer, alterColumn);
alterBaseAttributes = true;
}
if (alterColumn.isNotnull() != null) {
alterColumnNotnull(writer, alterColumn);
alterBaseAttributes = true;
}
if (alterBaseAttributes) {
alterColumnBaseAttributes(writer, alterColumn);
}
}
protected void alterColumnAddUniqueConstraint(DdlWrite writer, AlterColumn alter)
throws IOException {
addUniqueConstraint(writer, alter, alter.getUnique());
}