Java Code Examples for org.apache.calcite.rel.type.RelDataTypeFactory#createTypeWithCharsetAndCollation()

The following examples show how to use org.apache.calcite.rel.type.RelDataTypeFactory#createTypeWithCharsetAndCollation() . 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 File: SqlTypeUtil.java    From Bats with Apache License 2.0 7 votes vote down vote up 
/**
 * Adds collation and charset to a character type, returns other types
 * unchanged.
 *
 * @param type        Type
 * @param typeFactory Type factory
 * @return Type with added charset and collation, or unchanged type if it is
 * not a char type.
 */
public static RelDataType addCharsetAndCollation(
    RelDataType type,
    RelDataTypeFactory typeFactory) {
  if (!inCharFamily(type)) {
    return type;
  }
  Charset charset = type.getCharset();
  if (charset == null) {
    charset = typeFactory.getDefaultCharset();
  }
  SqlCollation collation = type.getCollation();
  if (collation == null) {
    collation = SqlCollation.IMPLICIT;
  }

  // todo: should get the implicit collation from repository
  //   instead of null
  type =
      typeFactory.createTypeWithCharsetAndCollation(
          type,
          charset,
          collation);
  SqlValidatorUtil.checkCharsetAndCollateConsistentIfCharType(type);
  return type;
}
Example 2
Source File: SqlUtil.java    From Bats with Apache License 2.0 6 votes vote down vote up 
/**
 * Creates the type of an {@link org.apache.calcite.util.NlsString}.
 *
 * <p>The type inherits the The NlsString's {@link Charset} and
 * {@link SqlCollation}, if they are set, otherwise it gets the system
 * defaults.
 *
 * @param typeFactory Type factory
 * @param str         String
 * @return Type, including collation and charset
 */
public static RelDataType createNlsStringType(
    RelDataTypeFactory typeFactory,
    NlsString str) {
  Charset charset = str.getCharset();
  if (null == charset) {
    charset = typeFactory.getDefaultCharset();
  }
  SqlCollation collation = str.getCollation();
  if (null == collation) {
    collation = SqlCollation.COERCIBLE;
  }
  RelDataType type =
      typeFactory.createSqlType(
          SqlTypeName.CHAR,
          str.getValue().length());
  type =
      typeFactory.createTypeWithCharsetAndCollation(
          type,
          charset,
          collation);
  return type;
}
Example 3
Source File: SqlTypeUtil.java    From calcite with Apache License 2.0 6 votes vote down vote up 
/**
 * Adds collation and charset to a character type, returns other types
 * unchanged.
 *
 * @param type        Type
 * @param typeFactory Type factory
 * @return Type with added charset and collation, or unchanged type if it is
 * not a char type.
 */
public static RelDataType addCharsetAndCollation(
    RelDataType type,
    RelDataTypeFactory typeFactory) {
  if (!inCharFamily(type)) {
    return type;
  }
  Charset charset = type.getCharset();
  if (charset == null) {
    charset = typeFactory.getDefaultCharset();
  }
  SqlCollation collation = type.getCollation();
  if (collation == null) {
    collation = SqlCollation.IMPLICIT;
  }

  // todo: should get the implicit collation from repository
  //   instead of null
  type =
      typeFactory.createTypeWithCharsetAndCollation(
          type,
          charset,
          collation);
  SqlValidatorUtil.checkCharsetAndCollateConsistentIfCharType(type);
  return type;
}
Example 4
Source File: SqlUtil.java    From calcite with Apache License 2.0 6 votes vote down vote up 
/**
 * Creates the type of an {@link org.apache.calcite.util.NlsString}.
 *
 * <p>The type inherits the The NlsString's {@link Charset} and
 * {@link SqlCollation}, if they are set, otherwise it gets the system
 * defaults.
 *
 * @param typeFactory Type factory
 * @param str         String
 * @return Type, including collation and charset
 */
public static RelDataType createNlsStringType(
    RelDataTypeFactory typeFactory,
    NlsString str) {
  Charset charset = str.getCharset();
  if (null == charset) {
    charset = typeFactory.getDefaultCharset();
  }
  SqlCollation collation = str.getCollation();
  if (null == collation) {
    collation = SqlCollation.COERCIBLE;
  }
  RelDataType type =
      typeFactory.createSqlType(
          SqlTypeName.CHAR,
          str.getValue().length());
  type =
      typeFactory.createTypeWithCharsetAndCollation(
          type,
          charset,
          collation);
  return type;
}