Java Code Examples for net.sf.jsqlparser.expression.operators.relational.ItemsList

The following examples show how to use net.sf.jsqlparser.expression.operators.relational.ItemsList. These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source Project: spanner-jdbc   Source File: CloudSpannerPreparedStatement.java    License: MIT License 4 votes vote down vote up
private Mutation createInsertMutation(Insert insert, boolean generateParameterMetaData)
    throws SQLException {
  ItemsList items = insert.getItemsList();
  if (generateParameterMetaData && items == null && insert.getSelect() != null) {
    // Just initialize the parameter meta data of the select statement
    createSelectBuilder(insert.getSelect(), insert.getSelect().toString());
    return null;
  }
  if (!(items instanceof ExpressionList)) {
    throw new CloudSpannerSQLException("Insert statement must specify a list of values",
        Code.INVALID_ARGUMENT);
  }
  if (insert.getColumns() == null || insert.getColumns().isEmpty()) {
    throw new CloudSpannerSQLException("Insert statement must specify a list of column names",
        Code.INVALID_ARGUMENT);
  }
  List<Expression> expressions = ((ExpressionList) items).getExpressions();
  String table = unquoteIdentifier(insert.getTable().getFullyQualifiedName());
  getParameterStore().setTable(table);
  WriteBuilder builder;
  if (insert.isUseDuplicate()) {
    /**
     * Do an insert-or-update. BUT: Cloud Spanner does not support supplying different values for
     * the insert and update statements, meaning that only the values specified in the INSERT part
     * of the statement will be considered. Anything specified in the 'ON DUPLICATE KEY UPDATE
     * ...' statement will be ignored.
     */
    if (this.forceUpdate)
      builder = Mutation.newUpdateBuilder(table);
    else
      builder = Mutation.newInsertOrUpdateBuilder(table);
  } else {
    /**
     * Just do an insert and throw an error if a row with the specified key alread exists.
     */
    builder = Mutation.newInsertBuilder(table);
  }
  int index = 0;
  for (Column col : insert.getColumns()) {
    String columnName = unquoteIdentifier(col.getFullyQualifiedName());
    expressions.get(index).accept(new ValueBinderExpressionVisitorAdapter<>(getParameterStore(),
        builder.set(columnName), columnName));
    index++;
  }
  return builder.build();
}