NuoDBDialect.java 文件源码

/**
 * @see org.alfasoftware.morf.jdbc.SqlDialect#alterTableAddColumnStatements(org.alfasoftware.morf.metadata.Table, org.alfasoftware.morf.metadata.Column)
 */
@Override
public Collection<String> alterTableAddColumnStatements(Table table, Column column) {
  ImmutableList.Builder<String> statements = ImmutableList.builder();

  statements.add(
    new StringBuilder().append("ALTER TABLE ").append(qualifiedTableName(table)).append(" ADD COLUMN ")
      .append(column.getName()).append(' ').append(sqlRepresentationOfColumnType(column, true))
      .toString()
  );

  if (StringUtils.isNotBlank(column.getDefaultValue()) && column.isNullable()) {
    statements.add("UPDATE " + table.getName() + " SET " + column.getName() + " = " + getSqlFrom(new FieldLiteral(column.getDefaultValue(), column.getType())));
  }

  return statements.build();
}