o iG @s2ddlZddlZddlZddlZddlZddlmZmZddl m Z ddl m Z ddl mZddlmZmZmZmZmZddlmZddlmZddlZdd lmZmZmZdd lmZdd l m!Z!m"Z"m#Z#m$Z$m%Z%m&Z&m'Z'm(Z(m)Z)m*Z*m+Z+m,Z,m-Z-m.Z.m/Z/m0Z0m1Z1m2Z2m3Z3m4Z4m5Z5m6Z6m7Z7m8Z8m9Z9dd l:m;Z;mZ>m?Z?dd l@mAZAmBZBddlCmDZDmEZEmFZFmGZGmHZHmIZImJZJmKZKmLZLmMZMmNZNmOZOmPZPmQZQddlRmZddlSmTZTmUZUddlVmWZWddlXmYZYerddlZZ[ede[j\e[j]Z^edZ_edZ`dZadZbdZcdZddZedZfdZgdZheWecZieWedZjdndekdekdBd ejlfd!d"Zmd#e egefd$eeBd eeBfd%d&Zndd'd(e degdfd)ed*ed+d e dgdffd,d-ZoGd.d/d/eAekeee_e`fZpd0ed epeeffd1d2ZqGd3d4d4epe_erfZsGd5d6d6e ZtGd7d8d8epe_erfee_eYZuGd9d:d:eue_ZvGd;d<dd>eue_ZxGd?d@d@eue_ZydAezd ekfdBdCZ{GdDdEdEepe_e_fZ|GdFdGdGepe_e_fZ}edHedIeHd ekfdJdKZ~e~ezdHezdIeHd ekfdLdMZe~erdHerdIeHd ekfdNdMZe~edHedIeHd ekfdOdMZedIeHdHerd ekfdPdQZeeEdIeHdHerd ekfdRdMZeePdIeHdHerd ekfdSdMZeeMdIeHdHerd ekfdTdMZeeOdIeHdHerd ekfdUdMZGdVdWdWepe_e`fZGdXdYdYepe_dfeYZdZekd[e'd\e edBgedBfd e9dBfd]d^ZdZekd[e'd\e edBgedBfd e9dBfd_d`ZdZekd[e'd\e edBgedBfd e9dBfdadbZdZekd[e'd\e edBgedBfd e9dBfdcddZd\epeefdeekd[e+d e9dBfdfdgZdeekd[e+d e9fdhdiZdZekd[e,d\e egefd e9fdjdkZGdldmdme.ZdS)oN)ABCabstractmethod)Callable)IntEnum)singledispatch) TYPE_CHECKINGAnyGenericOptionalTypeVar)Literal)UUID)Field PositiveInt PrivateAttr)NotInstalledError) BoundEqualToBoundGreaterThanBoundGreaterThanOrEqualBoundIn BoundLessThanBoundLessThanOrEqualBoundLiteralPredicateBoundNotEqualTo BoundNotInBoundNotStartsWithBoundPredicateBoundSetPredicateBoundStartsWith BoundTermBoundUnaryPredicateEqualTo GreaterThanGreaterThanOrEqualLessThanLessThanOrEqual NotEqualTo NotStartsWith Reference StartsWithUnboundPredicate) DateLiteralDecimalLiteralr LongLiteralTimestampLiteralliteral)IcebergRootModelL) BinaryTypeDateType DecimalType FixedType IcebergType IntegerTypeLongType StringTypeTimestampNanoType TimestampTypeTimestamptzNanoTypeTimestamptzTypeTimeTypeUUIDType)datetime)decimal_to_bytestruncate_decimal)ParseNumberFromBrackets) Singleton ArrayLikeSTidentityvoidbuckettruncateyearmonthdayhour module_name extras_namereturncCsFzt|WSty"|r|d|d}n|d}t|dw)Nz/ needs to be installed. pip install "pyiceberg[z]"z needs to be installed.) importlib import_module ImportErrorr)rPrQmsgrWR/home/ubuntu/transcripts/venv/lib/python3.10/site-packages/pyiceberg/transforms.py _try_importqs    rYfunclitcCst||jS)zESmall helper to upwrap the value from the literal, and wrap it again.)r/value)rZr[rWrWrX_transform_literal|r] expected_typetransform_funcargsr`z pa.DataTypec sHzddlWnty}ztd|d}~wwdfdd }|S) Nr7For partition transforms, PyArrow needs to be installedarrayrErRcsdfdd }t|jr||gRSt|jr8g}|D]}|||gRq#|Stdt|)NarrrErRcsdur |S|SN)castrer_rWrX_cast_if_neededs zI_pyiceberg_transform_wrapper.._transform.._cast_if_neededzIPyArrow array can only be of type pa.Array or pa.ChunkedArray, but found )rerErRrE) isinstanceArray ChunkedArray iterchunksappend chunked_array ValueErrortype)rdri result_chunksrerbr`pararWrX _transforms    z0_pyiceberg_transform_wrapper.._transform)rdrErRrEpyarrowModuleNotFoundError)rar`rberurWrsrX_pyiceberg_transform_wrappers  rzc@s6eZdZUdZeZeed<ede de e dBge dBffddZ ede defdd Zede de fd d Zed ed ededBfddZed ed ededBfddZedefddZdedefddZde de dBdefddZedefddZdefddZdedefdd Zede dd!fd"d#ZdS)$ TransformzTransform base class for concrete transforms. 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NrWrrWrWrX result_types zTransform.result_typenamepredcCr~rfrWrrrrWrWrXprojectrzTransform.projectcCr~rfrWrrWrWrXstrict_projectrzTransform.strict_projectcCrrrWrrWrWrXpreserves_orderrzTransform.preserves_orderothercCs||kSrfrWrrrWrWrXsatisfies_order_ofzTransform.satisfies_order_of_r\cCs|durt|SdSNnullstrrrr\rWrWrXto_human_stringzTransform.to_human_stringcCs|Srf)__str__rrWrWrX dedup_namezTransform.dedup_namecC|jS)z8Return the string representation of the Transform class.)r|rrWrWrXrzTransform.__str__cCst|tr |j|jkSdS)zBase Transform class to transform a value into a bucket partition value. Transforms are parameterized by a number of buckets. Bucket partition transforms use a 32-bit hash of the source value to produce a positive value by mod the bucket number. Args: num_buckets (int): The number of buckets. r| _num_bucketsrdatarRNc s&tjd|dfi|||_dS)Nzbucket[])super__init__r)rrr __class__rWrXrs zBucketTransform.__init__cCrrfrrrWrWrXrrzBucketTransform.num_bucketsr\cCtrfNotImplementedErrorrr\rWrWrXhashzBucketTransform.hashcCs|r ||tj@|jSdSrf)rr7maxrrrWrWrXapply szBucketTransform.applyr}cCtSrfr7rrWrWrXrrzBucketTransform.result_typerrc||jjjt|jtrt|||St|tr"| t |St|t r3| t |t |j St|trH| t |fdd|jDSdS)Nch|]}t|qSrWr].0r/ transformerrWrX z*BucketTransform.project..)rtermreffield field_typerjBoundTransform_project_transform_predicater as_unboundr(rr]r/rliteralsrrWrrXrs      zBucketTransform.projectcr)NcrrWrrrrWrXr,rz1BucketTransform.strict_project..)rrrrrrjrrr rr(rr]r/rrrrWrrXr"s      zBucketTransform.strict_projectcCs$t|ttttttttt t t t t f Srf)rjr7r3r8r>r;r=r:r<r4r9r5r2r?rrWrWrXr1s"zBucketTransform.can_transformTrJcs&t|trdtdtfddnyt|trdtdtfddnjt|ttfr/dtdtfddnYt|ttfr@dtdtfddnHt|t t frQdtdtfddn7t|t r`dtdtfd dn(t|t t tfrrdtdtfd dnt|trdtdtfd dntd ||rfd dSS)NrrRcS(t|tjr t|}ttd|SNz.hash_funccSrr) rjrdater@ date_to_daysrrrrrrWrWrXrPrcSs(t|tjr t|}ttd|Sr)rjrr@datetime_to_microsrrrrrrWrWrXrXrcSs4t|tjr t|}nt|}ttd|Sr) rjrr@rnanos_to_microsrrrrrrWrWrXr`s   cSsttd|Sr)rrrrrrWrWrXrlcSstt|Srf)rrrArrWrWrXrqcS t|Srf)rrrrWrWrXrvs cSs t|tr t|jSt|Srf)rjr rrbytesrrWrWrXr{s   z Unknown type cs |dur|tj@jSdSrf)r7rrrrrrWrXs z+BucketTransform.transform..)rjr>rintr3r;r=r:r<r7r8r4r9r5r2r?rp)rr}rJrWrrXrEs(     zBucketTransform.transformcCd|jdS)z>Return the string representation of the BucketTransform class.zBucketTransform(num_buckets=)rrrWrWrX__repr__r^zBucketTransform.__repr__rcCtdddj}t|j|jSNpyiceberg_corepyiceberg-corerQ)rYrrzrJrrr}pyiceberg_core_transformrWrWrXrsz!BucketTransform.pyarrow_transform)T) rrrrrr|rrrrrrrrrrrFrrr6rrr*rrrrrrrr __classcell__rWrWrrXrs  *Brc@s(eZdZdZdZdZdZdZdZdZ dS) TimeResolutionrN) rrrrrWEEKrrMINUTESECONDrWrWrWrXrsrc@seZdZeedefddZdeee fde fddZ de de fdd Zede deed Bged Bffd d Zd ededed BfddZd ededed BfddZedefddZede fddZd S) TimeTransformrRcCr~rfrWrrWrWrX granularityrzTimeTransform.granularityrcCst|dr |j|jkSdS)NrF)hasattrrrrWrWrXrsz TimeTransform.satisfies_order_ofr}cCrrfrrrWrWrXrrzTimeTransform.result_typeNcCr~rfrWrrWrWrXrrzTimeTransform.transformrrcCt||jjj}t|jtrt|||St|tr"| t |St|t r-t |||St|t r8t|||SdSrf)rrrrrrjrrr rr(r_truncate_numberr_set_apply_transformrrrrrWrWrXr       zTimeTransform.projectcCrrf)rrrrrrjrrr rr(r_truncate_number_strictrrrrWrWrXrrzTimeTransform.strict_projectcCr)NrrWrrWrWrXrrzTimeTransform.dedup_namecCrNTrWrrWrWrXrrzTimeTransform.preserves_order)rrrrrrrr{rFrGrrr6r7rrrrrrrr*rrrrrWrWrWrXrs&  rc@eZdZUdZeddZeded<dede e dBge dBffdd Z dede fd d Zedefd d Zdede dBdefddZdefddZdeddfddZdS)rzTransforms a datetime value into a year value. Example: >>> transform = YearTransform() >>> transform.transform(TimestampType())(1512151975038194) 47 rLdefaultr|r}rRNc|t|trdtdtfddn)t|ttfr dtdtfddnt|ttfr1dtdtfddntd|fdd S) NrrRcS t|tjr t|}t|Srf)rjrrr@r days_to_yearsrrWrWrX year_func   z*YearTransform.transform..year_funccS t|tjr t|}t|Srf)rjrr@rmicros_to_yearsrrWrWrXr"r#cSrrf)r@nanos_to_yearsrrWrWrXr" z&Cannot apply year transform for type: c|dur|SdSrfrWrr"rWrXrz)YearTransform.transform.. rjr3rrr;r=r:r<rprrWr)rXr  zYearTransform.transformcCt|tttttfSrfrjr3r;r=r:r<rrWrWrXrrzYearTransform.can_transformcCtjSrf)rrrrWrWrXrrzYearTransform.granularityrr\cCt|tr t|SdSr)rjrr@ to_human_yearrrWrWrXrzYearTransform.to_human_stringcCr)z>> transform = MonthTransform() >>> transform.transform(DateType())(17501) 575 rMrr|r}rRNcr) NrrRcSr rf)rjrrr@rdays_to_monthsrrWrWrX month_funcr#z,MonthTransform.transform..month_funccSr$rf)rjrr@rmicros_to_monthsrrWrWrXr;r#cSrrf)r@nanos_to_monthsrrWrWrXr;!r'z'Cannot apply month transform for type: cr(rfrWrr;rWrXr)r*z*MonthTransform.transform..r+rrWr>rXrr,zMonthTransform.transformcCr-rfr.rrWrWrXr+rzMonthTransform.can_transformcCr/rf)rrrrWrWrXr.rzMonthTransform.granularityrr\cCr0r)rjrr@to_human_monthrrWrWrXr2r2zMonthTransform.to_human_stringcCr)z=Return the string representation of the MonthTransform class.zMonthTransform()rWrrWrWrXr5rzMonthTransform.__repr__rcCr3r4)rYrrzrMr5r6rWrWrXr9sz MonthTransform.pyarrow_transformr7rWrWrWrXrr9rc@seZdZUdZeddZeded<dede e dBge dBffdd Z dede fd d Zdedefd d ZedefddZdede dBdefddZdefddZdeddfddZdS)rzTransforms a datetime value into a day value. Example: >>> transform = DayTransform() >>> transform.transform(DateType())(17501) 17501 rNrr|r}rRNcr) NrrRcSst|tjr t|}|Srf)rjrrr@rrrWrWrXday_funcNs  z(DayTransform.transform..day_funccSr$rf)rjrr@rmicros_to_daysrrWrWrXr@Vr#cSrrf)r@ nanos_to_daysrrWrWrXr@^r'z%Cannot apply day transform for type: cr(rfrWrr@rWrXrfr*z(DayTransform.transform..r+rrWrCrXrKr,zDayTransform.transformcCr-rfr.rrWrWrXrhrzDayTransform.can_transformcCr)aReturn the result type of a day transform. The physical representation conforms to the Iceberg spec as DateType is internally converted to int. The DateType returned here provides a more human-readable way to display the partition field. )r3rrWrWrXrkszDayTransform.result_typecCr/rf)rrrrWrWrXrsrzDayTransform.granularityrr\cCr0r)rjrr@ to_human_dayrrWrWrXrwr2zDayTransform.to_human_stringcCr)z;Return the string representation of the DayTransform class.zDayTransform()rWrrWrWrXrzrzDayTransform.__repr__rcCs,tddd}tdddj}t|j|dS)Nrwrrrr_)rYrrzrNr5r6rWrWrXr~s zDayTransform.pyarrow_transform)rrrrrr|r8rr6rrFrrrrrrrrrrrrrWrWrWrXr@s $rc@r)rzTransforms a datetime value into a hour value. Example: >>> transform = HourTransform() >>> transform.transform(TimestampType())(1512151975038194) 420042 rOrr|r}rRNcs^t|ttfrdtdtfddnt|ttfr"dtdtfddntd|fddS) NrrRcSr$rf)rjrr@rmicros_to_hoursrrWrWrX hour_funcr#z*HourTransform.transform..hour_funccSrrf)r@nanos_to_hoursrrWrWrXrFr'z&Cannot apply hour transform for type: cr(rfrWrrFrWrXrr*z)HourTransform.transform..)rjr;r=rrr:r<rprrWrHrXrs  zHourTransform.transformcCst|ttttfSrf)rjr;r=r:r<rrWrWrXrrzHourTransform.can_transformcCr/rf)rrrrWrWrXrrzHourTransform.granularityrr\cCr0r)rjrr@ to_human_hourrrWrWrXrr2zHourTransform.to_human_stringcCr)z>> transform = IdentityTransform() >>> transform.transform(StringType())('hello-world') 'hello-world' rHrr|rRNcstddS)NrH)rrrrrWrXrszIdentityTransform.__init__r}cCddS)NcS|SrfrWrrWrWrXrz-IdentityTransform.transform..rWrrWrWrXrrzIdentityTransform.transformcC|jSrf) is_primitiverrWrWrXrrzIdentityTransform.can_transformcC|SrfrWrrWrWrXrrzIdentityTransform.result_typerrcCslt|jtr t|||St|tr|t|St|tr&|t||jSt|t r4|t||j SdSrf) rjrrrr rr(rr/rrrrWrWrXrs     zIdentityTransform.projectcCsTt|tr |t|St|tr|t||jSt|tr(|t||jSdSrf)rjr rr(rr/rrrrWrWrXrs   z IdentityTransform.strict_projectcCrrrWrrWrWrXrrz!IdentityTransform.preserves_orderrcCrR)zCOrdering by value is the same as long as the other preserves order.)rrrWrWrXrrz$IdentityTransform.satisfies_order_of source_typer\cCs|dur t||SdSr) _human_string)rrUr\rWrWrXrsz!IdentityTransform.to_human_stringcCr)@Return the string representation of the IdentityTransform class.rHrWrrWrWrXrrzIdentityTransform.__str__cCr)rWzIdentityTransform()rWrrWrWrXrrzIdentityTransform.__repr__rcCrO)NcSrPrfrWrrWrWrXrrQz5IdentityTransform.pyarrow_transform..rWrrWrWrXrrz#IdentityTransform.pyarrow_transform)rRN)rrrrrr|r8rrr6rrFrrrrrrr*rrrrr{rGrrrrrrrWrWrrXrs $  rcs\eZdZUdZeZeed<eZ e ed<eZ e ed<de deffdd Zd e d efd d Zd e d e fd dZed efddZed e fddZdeded edBfddZdeded edBfddZed e fddZd e d eedBgedBffddZdeeefd efdd Z d!e d"edBd efd#d$Z!d efd%d&Z"d e d d'fd(d)Z#Z$S)*rzA transform for truncating a value to a specified width. Args: width (int): The truncate width, should be positive. Raises: ValueError: If a type is provided that is incompatible with a Truncate transform. r| _source_type_widthrrc s(tjddd|di|||_dS)Nr|z truncate[rrW)rrrY)rrrrrWrXrs zTruncateTransform.__init__r}rRcCr-rf)rjr7r8r9r2r4rrWrWrXrrzTruncateTransform.can_transformcCrTrfrWrrWrWrXrrzTruncateTransform.result_typecCrrrWrrWrWrXrrz!TruncateTransform.preserves_ordercCrrf)rXrrWrWrXrUrzTruncateTransform.source_typerrNcCs|jjj}t|jtrt|||St|tr|t |St|t r-t ||| |St|t ttfrEt|trCt||| |SdSt|ttfrZt|tr\t||| |SdSdSrf)rrrrrjrrr rr(rrrr7r8r4rrr2r9_truncate_array)rrrrrWrWrXr!s       zTruncateTransform.projectcCst|jjj}t|jtrt|||St|tr|t |St|t t t frEt|t r5t||||St|trCt||||SdSt|t rt|trpt|jj}||jkrb|||jjS||jkrnt||jjSdSt|trt|jj}||jkr|||jjS||jkrt||jjS|||||jjSt||||St|trt||||SdSrf)rrrrrjrrr rr(r7r8r4rrrrrrlenr/r\rr!rr&_truncate_array_strict)rrrr literal_widthrWrWrXr2s<               z TruncateTransform.strict_projectcCrrfrYrrWrWrXr\rzTruncateTransform.widthcst|ttfrdtdtffdd n+t|ttfr&dtdtffdd nt|tr7dtdtffdd ntd|fdd S) NrrRcs||jSrfr^rrrWrX truncate_funccrz2TruncateTransform.transform..truncate_funccs|dtjt|S)Nr)minrYr[rrrWrXr_hr2cs t|jSrf)rBrYrrrWrXr_ms zCannot truncate for type: cr(rfrWr)r_rWrXrsr*z-TruncateTransform.transform..)rjr7r8rr9r2r4rprrW)rr_rXr`s  zTruncateTransform.transformrcCs>||krdSt|jtrt|trt|jtr|j|jkSdS)NTF)rjrUr9rrrrWrWrXrus   z$TruncateTransform.satisfies_order_ofrr\cCs&|durdSt|trt|St|Sr)rjrrNrrrWrWrXrs  z!TruncateTransform.to_human_stringcCr)z@Return the string representation of the TruncateTransform class.zTruncateTransform(width=rr^rrWrWrXrr^zTruncateTransform.__repr__rcCrr)rYrrzrKrYrrWrWrXrsz#TruncateTransform.pyarrow_transform)%rrrrrr|rrrrXr6rYrrrrrrrrrrUrr*rrrrrFrr{rGrrrrrrWrWrrXrs* *$ rr\_typecCt|Srfrr\rarWrWrXrVrrVcCrbrf)rNrcrWrWrXrrrcCs t||Srf)_int_to_human_stringrcrWrWrXr cCs t|Srf)rlowerrcrWrWrXrs cCst|Srfrrar\rWrWrXrdrrdcC t|Srf)r@rDrgrWrWrXrrecCrhrf)r@ to_human_timergrWrWrXrrecCrhrf)r@to_human_timestamprgrWrWrXrrecCrhrf)r@to_human_timestamptzrgrWrWrXrrecseZdZUdZeddZeded<eZ e ed<de de ffdd Z d e d eed Bged Bffd dZd e d efddZd e d efddZde ded ed BfddZde ded ed BfddZd e fddZd e d dfddZZS)rzA transform that represents when an unknown transform is provided. 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