Java Code Examples for org.apache.calcite.sql.type.SqlTypeName#DYNAMIC_STAR

public RelDataTypeField getField(RelDataTypeFactory typeFactory, String fieldName) {

    /* First check if this field name exists in our field list */
    for (RelDataTypeField f : fields) {
      if (fieldName.equalsIgnoreCase(f.getName())) {
        return f;
      }
    }

    /* This field does not exist in our field list add it */
    final SqlTypeName typeName = DynamicRecordType.isDynamicStarColName(fieldName)
        ? SqlTypeName.DYNAMIC_STAR : SqlTypeName.ANY;

    // This field does not exist in our field list add it
    RelDataTypeField newField = new RelDataTypeFieldImpl(
        fieldName,
        fields.size(),
        typeFactory.createTypeWithNullability(typeFactory.createSqlType(typeName), true));

    /* Add the name to our list of field names */
    fields.add(newField);

    return newField;
  }
 

/**
 * Get field if exists, otherwise inserts a new field. The new field by default will have "any"
 * type, except for the dynamic star field.
 *
 * @param fieldName Request field name
 * @param caseSensitive Case Sensitive
 * @return A pair of RelDataTypeField and Boolean. Boolean indicates whether a new field is added
 * to this holder.
 */
Pair<RelDataTypeField, Boolean> getFieldOrInsert(String fieldName, boolean caseSensitive) {
  // First check if this field name exists in our field list
  for (RelDataTypeField f : fields) {
    if (Util.matches(caseSensitive, f.getName(), fieldName)) {
      return Pair.of(f, false);
    }
    // A dynamic star field matches any field
    if (f.getType().getSqlTypeName() == SqlTypeName.DYNAMIC_STAR) {
      return Pair.of(f, false);
    }
  }

  final SqlTypeName typeName = DynamicRecordType.isDynamicStarColName(fieldName)
      ? SqlTypeName.DYNAMIC_STAR : SqlTypeName.ANY;

  // This field does not exist in our field list; add it
  RelDataTypeField newField = new RelDataTypeFieldImpl(
      fieldName,
      fields.size(),
      typeFactory.createTypeWithNullability(typeFactory.createSqlType(typeName), true));

  // Add the name to our list of field names
  fields.add(newField);

  return Pair.of(newField, true);
}
 

@JsonCreator
public Field(
    @JsonProperty("name")                       String name,
    @JsonProperty("type")                       SqlTypeName type,
    @JsonProperty("precision")                  Integer precision,
    @JsonProperty("scale")                      Integer scale,
    @JsonProperty("startUnit")                  TimeUnit startUnit,
    @JsonProperty("endUnit")                    TimeUnit endUnit,
    @JsonProperty("fractionalSecondPrecision")  Integer fractionalSecondPrecision,
    @JsonProperty("isNullable")                 Boolean isNullable,
    @JsonProperty("keyType") Field keyType,
    @JsonProperty("valueType") Field valueType) {
  // Fix for views which were created on Calcite 1.4.
  // After Calcite upgrade star "*" was changed on dynamic star "**" (SchemaPath.DYNAMIC_STAR)
  // and type of star was changed to SqlTypeName.DYNAMIC_STAR
  this.name = "*".equals(name) ? SchemaPath.DYNAMIC_STAR : name;
  this.type = "*".equals(name) && type == SqlTypeName.ANY ? SqlTypeName.DYNAMIC_STAR : type;
  this.precision = precision;
  this.scale = scale;
  this.intervalQualifier =
      null == startUnit
      ? null
      : new SqlIntervalQualifier(
          startUnit, precision, endUnit, fractionalSecondPrecision, SqlParserPos.ZERO );

  // Property "isNullable" is not part of the initial view definition and
  // was added in DRILL-2342.  If the default value is null, consider it as
  // "true".  It is safe to default to "nullable" than "required" type.
  this.isNullable = isNullable == null || isNullable;
  this.keyType = keyType;
  this.valueType = valueType;
}
 

/**
 * Get field if exists, otherwise inserts a new field. The new field by default will have "any"
 * type, except for the dynamic star field.
 *
 * @param fieldName Request field name
 * @param caseSensitive Case Sensitive
 * @return A pair of RelDataTypeField and Boolean. Boolean indicates whether a new field is added
 * to this holder.
 */
Pair<RelDataTypeField, Boolean> getFieldOrInsert(String fieldName, boolean caseSensitive) {
  // First check if this field name exists in our field list
  for (RelDataTypeField f : fields) {
    if (Util.matches(caseSensitive, f.getName(), fieldName)) {
      return Pair.of(f, false);
    }
    // A dynamic star field matches any field
    if (f.getType().getSqlTypeName() == SqlTypeName.DYNAMIC_STAR) {
      return Pair.of(f, false);
    }
  }

  final SqlTypeName typeName = DynamicRecordType.isDynamicStarColName(fieldName)
      ? SqlTypeName.DYNAMIC_STAR : SqlTypeName.ANY;

  // This field does not exist in our field list; add it
  RelDataTypeField newField = new RelDataTypeFieldImpl(
      fieldName,
      fields.size(),
      typeFactory.createTypeWithNullability(typeFactory.createSqlType(typeName), true));

  // Add the name to our list of field names
  fields.add(newField);

  return Pair.of(newField, true);
}
 

public boolean isDynamicStar() {
  return type.getSqlTypeName() == SqlTypeName.DYNAMIC_STAR;
}
 

public boolean isDynamicStar() {
  return type.getSqlTypeName() == SqlTypeName.DYNAMIC_STAR;
}