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Fix crash on parquet column type mismatch #68131

Merged
merged 8 commits into from
Aug 16, 2024
Merged

Fix crash on parquet column type mismatch #68131

merged 8 commits into from
Aug 16, 2024

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al13n321
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@al13n321 al13n321 commented Aug 9, 2024

Changelog category (leave one):

  • Bug Fix (user-visible misbehavior in an official stable release)

Changelog entry (a user-readable short description of the changes that goes to CHANGELOG.md):

Fixed crash in Parquet filtering when data types in the file substantially differ from requested types (e.g. ... FROM file('a.parquet', Parquet, 'x String'), but the file has x Int64). Without this fix, use input_format_parquet_filter_push_down = 0 as a workaround.

ParquetBlockInputFormat didn't cast Field-s to the requested types because I thought KeyCondition allows any types. I don't remember why I thought that. It was crashing in MergeTreeSetIndex::checkInRange() when FieldValue::update() tried to insert Field of wrong type into a column.

Fixes #68403

@robot-ch-test-poll1 robot-ch-test-poll1 added the pr-bugfix Pull request with bugfix, not backported by default label Aug 9, 2024
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robot-clickhouse commented Aug 9, 2024

This is an automated comment for commit 496a4c7 with description of existing statuses. It's updated for the latest CI running

✅ Click here to open a full report in a separate page

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@jkartseva jkartseva self-assigned this Aug 13, 2024
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Looks good

@al13n321 al13n321 added this pull request to the merge queue Aug 16, 2024
Merged via the queue into master with commit dc4281c Aug 16, 2024
214 of 218 checks passed
@al13n321 al13n321 deleted the qast branch August 16, 2024 04:20
@robot-ch-test-poll3 robot-ch-test-poll3 added the pr-synced-to-cloud The PR is synced to the cloud repo label Aug 16, 2024
baibaichen added a commit to Kyligence/gluten that referenced this pull request Aug 17, 2024
> Refer ClickHouse/ClickHouse#68494

(cherry picked from commit 9ec7071c3a0b00038989bdad0891842472d13098)
baibaichen added a commit to apache/incubator-gluten that referenced this pull request Aug 17, 2024
* [GLUTEN-1632][CH]Daily Update Clickhouse Version (20240817)

* Add ut for  ClickHouse/ClickHouse#68131

> Refer ClickHouse/ClickHouse#68494

(cherry picked from commit 9ec7071c3a0b00038989bdad0891842472d13098)

---------

Co-authored-by: kyligence-git <gluten@kyligence.io>
Co-authored-by: Chang Chen <baibaichen@gmail.com>
/// may mean one of two things:
/// * The byte array is the 16 bytes of Int128, little-endian.
/// * The byte array is an ASCII string containing the Int128 formatted in base 10.
/// There's no reliable way to distinguish these cases. We just guess: if the
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Forgive the drive-by comment, but don't Parquet logical types provide the ability to make this distinction?

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@al13n321 al13n321 Aug 23, 2024

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They don't support integers wider than 64 bits. From parquet.thrift:

/**
 * Integer logical type annotation
 *
 * bitWidth must be 8, 16, 32, or 64.
 *
 * Allowed for physical types: INT32, INT64
 */
struct IntType {
  1: required i8 bitWidth
  2: required bool isSigned
}

[...]

/**
 * Decimal logical type annotation
 *
 * To maintain forward-compatibility in v1, implementations using this logical
 * type must also set scale and precision on the annotated SchemaElement.
 *
 * Allowed for physical types: INT32, INT64, FIXED, and BINARY
 */
struct DecimalType {
  1: required i32 scale
  2: required i32 precision
}

[...]

union LogicalType {
  1:  StringType STRING       // use ConvertedType UTF8
  2:  MapType MAP             // use ConvertedType MAP
  3:  ListType LIST           // use ConvertedType LIST
  4:  EnumType ENUM           // use ConvertedType ENUM
  5:  DecimalType DECIMAL     // use ConvertedType DECIMAL + SchemaElement.{scale, precision}
  6:  DateType DATE           // use ConvertedType DATE

  // use ConvertedType TIME_MICROS for TIME(isAdjustedToUTC = *, unit = MICROS)
  // use ConvertedType TIME_MILLIS for TIME(isAdjustedToUTC = *, unit = MILLIS)
  7:  TimeType TIME

  // use ConvertedType TIMESTAMP_MICROS for TIMESTAMP(isAdjustedToUTC = *, unit = MICROS)
  // use ConvertedType TIMESTAMP_MILLIS for TIMESTAMP(isAdjustedToUTC = *, unit = MILLIS)
  8:  TimestampType TIMESTAMP

  // 9: reserved for INTERVAL
  10: IntType INTEGER         // use ConvertedType INT_* or UINT_*
  11: NullType UNKNOWN        // no compatible ConvertedType
  12: JsonType JSON           // use ConvertedType JSON
  13: BsonType BSON           // use ConvertedType BSON
  14: UUIDType UUID           // no compatible ConvertedType
}

(Maybe we could write them as DecimalType with scale = 0, Decimal supports arbitrary length. The precision parameter would be awkward. E.g. UInt256 can hold some but not all 78-digit numbers. We could use precision = 77 but allow the value to be greater than 10^77, but then other parquet decoders may consider this an error. We could use precision = 78 and 33-byte-long value, but then our decoder can't know in advance whether all values will fit in UInt256. The latter seems ok though, maybe that would be the best way to do this. Also, signedness would probably be awkward in some way too.)

robot-ch-test-poll1 added a commit that referenced this pull request Aug 23, 2024
Backport #68131 to 24.6: Fix crash on parquet column type mismatch
robot-ch-test-poll1 added a commit that referenced this pull request Aug 23, 2024
Backport #68131 to 24.7: Fix crash on parquet column type mismatch
robot-ch-test-poll1 added a commit that referenced this pull request Aug 23, 2024
Backport #68131 to 24.8: Fix crash on parquet column type mismatch
@robot-ch-test-poll4 robot-ch-test-poll4 added the pr-backports-created Backport PRs are successfully created, it won't be processed by CI script anymore label Aug 25, 2024
robot-ch-test-poll1 added a commit that referenced this pull request Aug 25, 2024
Backport #68131 to 24.5: Fix crash on parquet column type mismatch
al13n321 pushed a commit that referenced this pull request Aug 25, 2024
…68844)

Co-authored-by: robot-clickhouse <robot-clickhouse@users.noreply.github.com>
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Parquet query failed with In decimal column filter
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