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parallel csv scan #6801

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merged 6 commits into from
Jul 12, 2023
Merged

parallel csv scan #6801

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5667170
parallel csv scan
2010YOUY01 Jun 28, 2023
329e5e8
add max line length
2010YOUY01 Jul 5, 2023
947d71a
Update according to review comments
2010YOUY01 Jul 11, 2023
4ba25e0
merge main
2010YOUY01 Jul 11, 2023
f476acc
Update Configuration doc
2010YOUY01 Jul 11, 2023
6696216
Merge remote-tracking branch 'apache/main' into parallel-csv
alamb Jul 12, 2023
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28 changes: 7 additions & 21 deletions Cargo.toml
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Expand Up @@ -17,40 +17,26 @@

[workspace]
exclude = ["datafusion-cli"]
members = [
"datafusion/common",
"datafusion/core",
"datafusion/expr",
"datafusion/execution",
"datafusion/optimizer",
"datafusion/physical-expr",
"datafusion/proto",
"datafusion/proto/gen",
"datafusion/row",
"datafusion/sql",
"datafusion/substrait",
"datafusion-examples",
"test-utils",
"benchmarks",
members = ["datafusion/common", "datafusion/core", "datafusion/expr", "datafusion/execution", "datafusion/optimizer", "datafusion/physical-expr", "datafusion/proto", "datafusion/proto/gen", "datafusion/row", "datafusion/sql", "datafusion/substrait", "datafusion-examples", "test-utils", "benchmarks",
]
resolver = "2"

[workspace.package]
version = "27.0.0"
edition = "2021"
readme = "README.md"
authors = ["Apache Arrow <[email protected]>"]
license = "Apache-2.0"
edition = "2021"
homepage = "https://github.com/apache/arrow-datafusion"
license = "Apache-2.0"
readme = "README.md"
repository = "https://github.com/apache/arrow-datafusion"
rust-version = "1.64"
version = "27.0.0"

[workspace.dependencies]
arrow = { version = "43.0.0", features = ["prettyprint", "dyn_cmp_dict"] }
arrow-flight = { version = "43.0.0", features = ["flight-sql-experimental"] }
arrow-array = { version = "43.0.0", default-features = false, features = ["chrono-tz"] }
arrow-buffer = { version = "43.0.0", default-features = false }
arrow-flight = { version = "43.0.0", features = ["flight-sql-experimental"] }
arrow-schema = { version = "43.0.0", default-features = false }
arrow-array = { version = "43.0.0", default-features = false, features = ["chrono-tz"] }
parquet = { version = "43.0.0", features = ["arrow", "async", "object_store"] }
sqlparser = { version = "0.35", features = ["visitor"] }

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96 changes: 48 additions & 48 deletions datafusion-cli/Cargo.lock
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11 changes: 7 additions & 4 deletions datafusion/common/src/config.rs
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Expand Up @@ -323,10 +323,13 @@ config_namespace! {
/// long runner execution, all types of joins may encounter out-of-memory errors.
pub allow_symmetric_joins_without_pruning: bool, default = true

/// When set to true, file groups will be repartitioned to achieve maximum parallelism.
/// Currently supported only for Parquet format in which case
/// multiple row groups from the same file may be read concurrently. If false then each
/// row group is read serially, though different files may be read in parallel.
/// When set to `true`, file groups will be repartitioned to achieve maximum parallelism.
/// Currently Parquet and CSV formats are supported.
///
/// If set to `true`, all files will be repartitioned evenly (i.e., a single large file
/// might be partitioned into smaller chunks) for parallel scanning.
/// If set to `false`, different files will be read in parallel, but repartitioning won't
/// happen within a single file.
pub repartition_file_scans: bool, default = true

/// Should DataFusion repartition data using the partitions keys to execute window
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1 change: 1 addition & 0 deletions datafusion/core/Cargo.toml
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Expand Up @@ -107,6 +107,7 @@ env_logger = "0.10"
half = "2.2.1"
postgres-protocol = "0.6.4"
postgres-types = { version = "0.2.4", features = ["derive", "with-chrono-0_4"] }
regex = "1.5.4"
rstest = "0.18.0"
rust_decimal = { version = "1.27.0", features = ["tokio-pg"] }
sqllogictest = "0.14.0"
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