ops.Least:
varargs(sa.func.min),
ops.Greatest:
varargs(sa.func.max),
ops.IfNull:
fixed_arity(sa.func.ifnull, 2),
ops.DateFromYMD:
_date_from_ymd,
ops.TimeFromHMS:
_time_from_hms,
ops.TimestampFromYMDHMS:
_timestamp_from_ymdhms,
ops.DateTruncate:
_truncate(sa.func.date),
ops.Date:
unary(sa.func.date),
ops.TimestampTruncate:
_truncate(sa.func.datetime),
ops.Strftime:
_strftime,
ops.ExtractYear:
_strftime_int('%Y'),
ops.ExtractMonth:
_strftime_int('%m'),
ops.ExtractDay:
_strftime_int('%d'),
ops.ExtractWeekOfYear:
_extract_week_of_year,
ops.ExtractDayOfYear:
_strftime_int('%j'),
ops.ExtractQuarter:
- 1
)
operation_registry.update(
{
ops.Literal: _literal,
ops.IfNull: fixed_arity(sa.func.ifnull, 2),
# strings
ops.StringFind: _gen_string_find(sa.func.locate),
ops.FindInSet: _find_in_set,
ops.Capitalize: _capitalize,
ops.RegexSearch: fixed_arity(lambda x, y: x.op('REGEXP')(y), 2),
# math
ops.Log: _log,
ops.Log2: unary(sa.func.log2),
ops.Log10: unary(sa.func.log10),
ops.Round: _round,
# dates and times
ops.DateAdd: fixed_arity(operator.add, 2),
ops.DateSub: fixed_arity(operator.sub, 2),
ops.DateDiff: fixed_arity(sa.func.datediff, 2),
ops.TimestampAdd: fixed_arity(operator.add, 2),
ops.TimestampSub: fixed_arity(operator.sub, 2),
ops.TimestampDiff: _timestamp_diff,
ops.DateTruncate: _truncate,
ops.TimestampTruncate: _truncate,
ops.IntervalFromInteger: _interval_from_integer,
ops.Strftime: fixed_arity(sa.func.date_format, 2),
ops.ExtractYear: _extract('year'),
ops.ExtractMonth: _extract('month'),
str((index +
1).compile(compile_kwargs=dict(literal_binds=True)))),
),
)],
else_="",
)
return result
operation_registry.update({
ops.ArrayColumn:
_array_column,
ops.ArrayConcat:
fixed_arity('array_concat', 2),
ops.DayOfWeekName:
unary(sa.func.dayname),
ops.Literal:
_literal,
ops.Log2:
unary(sa.func.log2),
ops.Ln:
unary(sa.func.ln),
ops.Log:
_log,
# TODO: map operations, but DuckDB's maps are multimaps
ops.Modulus:
fixed_arity(operator.mod, 2),
ops.Round:
_round,
ops.StructField:
_struct_field,
ops.TableColumn:
_table_column,
# types
ops.TypeOf:
_typeof,
# Floating
ops.IsNan:
_is_nan,
ops.IsInf:
_is_inf,
# null handling
ops.IfNull:
fixed_arity(sa.func.coalesce, 2),
# boolean reductions
ops.Any:
unary(sa.func.bool_or),
ops.All:
unary(sa.func.bool_and),
ops.NotAny:
unary(lambda x: sa.not_(sa.func.bool_or(x))),
ops.NotAll:
unary(lambda x: sa.not_(sa.func.bool_and(x))),
# strings
ops.GroupConcat:
_string_agg,
ops.Capitalize:
unary(sa.func.initcap),
ops.RegexSearch:
fixed_arity(lambda x, y: x.op("~")(y), 2),
ops.RegexReplace:
_regex_replace,
ops.IdenticalTo: _identical_to, ops.RegexSearch: fixed_arity(sa.func._ibis_sqlite_regex_search, 2), ops.RegexReplace: fixed_arity(sa.func._ibis_sqlite_regex_replace, 3), ops.RegexExtract: fixed_arity(sa.func._ibis_sqlite_regex_extract, 3), ops.LPad: _lpad, ops.RPad: _rpad, ops.Repeat: _repeat, ops.Reverse: unary(sa.func._ibis_sqlite_reverse), ops.StringAscii: unary(sa.func._ibis_sqlite_string_ascii), ops.Capitalize: unary(sa.func._ibis_sqlite_capitalize), ops.Translate: fixed_arity(sa.func._ibis_sqlite_translate, 3), ops.Sqrt: unary(sa.func._ibis_sqlite_sqrt), ops.Power: fixed_arity(sa.func._ibis_sqlite_power, 2), ops.Exp: unary(sa.func._ibis_sqlite_exp), ops.Ln: unary(sa.func._ibis_sqlite_ln), ops.Log:
def _day_of_week_name(t, expr):
(arg, ) = expr.op().args
return sa.func.dayname(t.translate(arg))
operation_registry.update({
ops.Literal: _literal,
ops.IfNull: fixed_arity(sa.func.ifnull, 2),
# strings
ops.Substring: _substr,
ops.StringFind: _string_find,
ops.Capitalize: _capitalize,
ops.RegexSearch: infix_op('REGEXP'),
# math
ops.Log: _log,
ops.Log2: unary(sa.func.log2),
ops.Log10: unary(sa.func.log10),
ops.Round: _round,
ops.RandomScalar: _random,
# dates and times
ops.Date: unary(sa.func.date),
ops.DateAdd: infix_op('+'),
ops.DateSub: infix_op('-'),
ops.DateDiff: fixed_arity(sa.func.datediff, 2),
ops.TimestampAdd: infix_op('+'),
ops.TimestampSub: infix_op('-'),
ops.TimestampDiff: _timestamp_diff,
ops.DateTruncate: _truncate,
ops.TimestampTruncate: _truncate,
ops.IntervalFromInteger: _interval_from_integer,
ops.Strftime: fixed_arity(sa.func.date_format, 2),
operation_registry.update(
{
ops.Literal: _literal,
# We override this here to support time zones
ops.TableColumn: _table_column,
# types
ops.Cast: _cast,
ops.TypeOf: _typeof,
# Floating
ops.IsNan: _is_nan,
ops.IsInf: _is_inf,
# null handling
ops.IfNull: fixed_arity(sa.func.coalesce, 2),
# boolean reductions
ops.Any: unary(sa.func.bool_or),
ops.All: unary(sa.func.bool_and),
ops.NotAny: unary(lambda x: sa.not_(sa.func.bool_or(x))),
ops.NotAll: unary(lambda x: sa.not_(sa.func.bool_and(x))),
# strings
ops.Substring: _substr,
ops.StringFind: _string_find,
ops.GroupConcat: _string_agg,
ops.Capitalize: unary(sa.func.initcap),
ops.RegexSearch: infix_op('~'),
ops.RegexReplace: _regex_replace,
ops.Translate: fixed_arity('translate', 3),
ops.RegexExtract: _regex_extract_,
ops.StringSplit: fixed_arity(sa.func.string_to_array, 2),
ops.StringJoin: _string_join,
ops.FindInSet: _find_in_set,
ops.ExtractDayOfYear: _strftime_int('%j'),
ops.ExtractQuarter: _extract_quarter,
ops.ExtractEpochSeconds: _extract_epoch_seconds,
ops.ExtractHour: _strftime_int('%H'),
ops.ExtractMinute: _strftime_int('%M'),
ops.ExtractSecond: _strftime_int('%S'),
ops.ExtractMillisecond: _millisecond,
ops.TimestampNow: _now,
ops.IdenticalTo: _identical_to,
ops.RegexSearch: fixed_arity(sa.func._ibis_sqlite_regex_search, 2),
ops.RegexReplace: fixed_arity(sa.func._ibis_sqlite_regex_replace, 3),
ops.RegexExtract: fixed_arity(sa.func._ibis_sqlite_regex_extract, 3),
ops.LPad: _lpad,
ops.RPad: _rpad,
ops.Repeat: _repeat,
ops.Reverse: unary(sa.func._ibis_sqlite_reverse),
ops.StringAscii: unary(sa.func._ibis_sqlite_string_ascii),
ops.Capitalize: unary(sa.func._ibis_sqlite_capitalize),
ops.Translate: fixed_arity(sa.func._ibis_sqlite_translate, 3),
ops.Sqrt: unary(sa.func._ibis_sqlite_sqrt),
ops.Power: fixed_arity(sa.func._ibis_sqlite_power, 2),
ops.Exp: unary(sa.func._ibis_sqlite_exp),
ops.Ln: unary(sa.func._ibis_sqlite_ln),
ops.Log: _log,
ops.Log10: unary(sa.func._ibis_sqlite_log10),
ops.Log2: unary(sa.func._ibis_sqlite_log2),
ops.Floor: unary(sa.func._ibis_sqlite_floor),
ops.Ceil: unary(sa.func._ibis_sqlite_ceil),
ops.Sign: unary(sa.func._ibis_sqlite_sign),
ops.FloorDivide: fixed_arity(sa.func._ibis_sqlite_floordiv, 2),
ops.Modulus: fixed_arity(sa.func._ibis_sqlite_mod, 2),