public SqlKind getFunctionKind()

in core/src/main/java/org/apache/calcite/sql/SqlKind.java [1779:1866]
88 lines of code
82 McCabe index (conditional complexity)

  public SqlKind getFunctionKind() {
    switch (this) {
    case CONVERT:
    case TRANSLATE:
    case POSITION:
    case DECODE:
    case NVL:
    case NVL2:
    case GREATEST:
    case GREATEST_PG:
    case CONCAT2:
    case CONCAT_WITH_NULL:
    case CONCAT_WS_MSSQL:
    case CONCAT_WS_POSTGRESQL:
    case CONCAT_WS_SPARK:
    case IF:
    case LEAST:
    case LEAST_PG:
    case LOG:
    case DATE_ADD:
    case DATE_TRUNC:
    case DATE_SUB:
    case TIME_ADD:
    case TIME_SUB:
    case TIMESTAMP_ADD:
    case TIMESTAMP_DIFF:
    case TIMESTAMP_SUB:
    case SAFE_CAST:
    case FLOOR:
    case CEIL:
    case TRIM:
    case LTRIM:
    case RTRIM:
    case ARRAY_APPEND:
    case ARRAY_COMPACT:
    case ARRAY_CONCAT:
    case ARRAY_CONTAINS:
    case ARRAY_DISTINCT:
    case ARRAY_EXCEPT:
    case ARRAY_INSERT:
    case ARRAY_INTERSECT:
    case ARRAY_JOIN:
    case ARRAY_LENGTH:
    case ARRAY_MAX:
    case ARRAY_MIN:
    case ARRAY_POSITION:
    case ARRAY_PREPEND:
    case ARRAY_REMOVE:
    case ARRAY_REPEAT:
    case ARRAY_REVERSE:
    case ARRAY_SIZE:
    case ARRAY_SLICE:
    case ARRAY_TO_STRING:
    case ARRAY_UNION:
    case ARRAYS_OVERLAP:
    case ARRAYS_ZIP:
    case SORT_ARRAY:
    case MAP_CONCAT:
    case MAP_ENTRIES:
    case MAP_KEYS:
    case MAP_VALUES:
    case MAP_CONTAINS_KEY:
    case MAP_FROM_ARRAYS:
    case MAP_FROM_ENTRIES:
    case STR_TO_MAP:
    case REVERSE:
    case REVERSE_SPARK:
    case SOUNDEX_SPARK:
    case SUBSTR_BIG_QUERY:
    case SUBSTR_MYSQL:
    case SUBSTR_ORACLE:
    case SUBSTR_POSTGRESQL:
    case CHAR_LENGTH:
    case ENDS_WITH:
    case STARTS_WITH:
    case JSON_TYPE:
    case CONTAINS_SUBSTR:
    case ST_DWITHIN:
    case ST_POINT:
    case ST_POINT3:
    case ST_MAKE_LINE:
    case ST_CONTAINS:
    case HILBERT:
      return OTHER_FUNCTION;
    default:
      return this;
    }
  }