commit d98629b9a9269f23063d71738ffa1d02243b6a7c
Author: Zack Newman <zack@philomathiclife.com>
Date: Mon, 20 Mar 2023 16:15:17 -0600
initial
Diffstat:
6 files changed, 404 insertions(+), 0 deletions(-)
diff --git a/.gitignore b/.gitignore
@@ -0,0 +1,2 @@
+Cargo.lock
+target/**
diff --git a/Cargo.toml b/Cargo.toml
@@ -0,0 +1,15 @@
+[package]
+authors = ["Zack Newman <zack@philomathiclife.com>"]
+categories = ["command-line-utilities"]
+description = "Generates the 'bulk writers' in the BulkWriters128 and BulkWriters256 C# shared libraries."
+edition = "2021"
+keywords = ["cli", "C#"]
+license = "MIT OR Apache-2.0"
+name = "gen_writers"
+readme = "README.md"
+repository = "https://git.philomathiclife.com/repos/gen_writers/"
+version = "1.0.0"
+
+[[bin]]
+name = "gw"
+path = "src/main.rs"
diff --git a/LICENSE-APACHE b/LICENSE-APACHE
@@ -0,0 +1,177 @@
+
+ Apache License
+ Version 2.0, January 2004
+ http://www.apache.org/licenses/
+
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+ 5. Submission of Contributions. Unless You explicitly state otherwise,
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+ 6. Trademarks. This License does not grant permission to use the trade
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+ 7. Disclaimer of Warranty. Unless required by applicable law or
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+ 8. Limitation of Liability. In no event and under no legal theory,
+ whether in tort (including negligence), contract, or otherwise,
+ unless required by applicable law (such as deliberate and grossly
+ negligent acts) or agreed to in writing, shall any Contributor be
+ liable to You for damages, including any direct, indirect, special,
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+ END OF TERMS AND CONDITIONS
diff --git a/LICENSE-MIT b/LICENSE-MIT
@@ -0,0 +1,20 @@
+Copyright © 2023 Zack Newman
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the
+“Software”), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
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+
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+in all copies or substantial portions of the Software.
+
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+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/README.md b/README.md
@@ -0,0 +1,4 @@
+gen_writers
+--------
+Generates the code for the "bulk writers" in the `BulkWriters128`
+and `BulkWriters256` C# shared libraries.
diff --git a/src/main.rs b/src/main.rs
@@ -0,0 +1,186 @@
+//! This crate generates the code for the "bulk writers"
+//! in the `BulkWriters128` and `BulkWriters256` C# libraries.
+#![no_implicit_prelude]
+#![deny(
+ unsafe_code,
+ unused,
+ warnings,
+ clippy::all,
+ clippy::cargo,
+ clippy::nursery,
+ clippy::pedantic
+)]
+#![allow(
+ clippy::arithmetic_side_effects,
+ clippy::implicit_return,
+ clippy::integer_arithmetic
+)]
+#[allow(unused_extern_crates)]
+extern crate alloc;
+#[allow(unused_extern_crates)]
+extern crate core;
+#[allow(unused_extern_crates)]
+extern crate std;
+use alloc::string::{String, ToString};
+use core::clone::Clone;
+use core::convert::From;
+use core::fmt::{self, Debug, Display, Formatter};
+use core::result::Result::{self, Ok};
+use std::env;
+use std::fs::File;
+use std::io::{Error, Write};
+fn main() -> Result<(), GenErr> {
+ #[allow(deprecated)]
+ let mut path0 = env::home_dir().ok_or(GenErr::HomeVarNotSet)?;
+ path0.push(".c#");
+ let mut path1 = path0.clone();
+ path0.push("BulkWriters128/BulkWriters.cs");
+ let mut f = File::options().write(true).create_new(true).open(path0)?;
+ path1.push("BulkWriters256/BulkWriters.cs");
+ let mut f2 = File::options().write(true).create_new(true).open(path1)?;
+ let mut s = String::with_capacity(32561);
+ write(&mut f, 0, &mut s)?;
+ write(&mut f2, 128, &mut s)?;
+ Ok(())
+}
+/// Writes the file.
+/// `s` is used as a buffer to write an entire `BulkWriter` into
+/// before being used by `f` to write to the underlying file descriptor.
+/// `v` is the starting arity of tuples: 0 or 128.
+fn write(f: &mut File, v: u8, s: &mut String) -> Result<(), Error> {
+ s.push_str("// This code was generated via a CLI app that used the source code in BulkWriterBaseCase.cs as a template.
+// To improve compilation performance, the code uses very little 'whitespace' beyond what is necessary and contains no documentation, warning suppressions, or comments.
+using Microsoft.Data.SqlClient;
+using Serde.Bin.Ser;
+using Std;
+using Std.Iter;
+using Std.Maybe;
+using Std.Num;
+using Std.Result;
+using System;
+using System.Data;
+using System.Diagnostics;
+using static SQLServer.Helpers;
+using System.Runtime.InteropServices;
+#pragma warning disable CA1005, CA1045, CA1051, CA1062, CA1066, CA1815, CA2100, CA2231, IDE0032
+namespace SQLServer {\n");
+ //
+ for i in (if v == 0 { 1 } else { v })..=(v + 127) {
+ s.push_str("[StructLayout(LayoutKind.Sequential,CharSet=CharSet.Unicode,Pack= 0)]public struct BulkWriter<");
+ for j in 0..=i {
+ Kind::T.write(s, j);
+ }
+ s.pop();
+ s.push_str(">:IBulkWriter ");
+ for j in 0..=i {
+ Kind::Bound.write(s, j);
+ }
+ s.pop();
+ s.push_str(r#"{public BulkWriter()=>throw new InvalidOperationException("Parameterless constructor is not allowed to be called!");BulkWriter(UserTable table,Maybe<ErrorTable>errTable,Prod<ulong,double>maxErrorsAllowed,string processName,string userName,bool encrypted,bool encryptedMod)=>(Destination,ErrTable,MaxErrorsAllowed,_currentErrorCount,_currentProcessedCount,_processName,_userName,_containsEncryptedColumn,_mustBeAllowEncryptedValueModifications)=(table,errTable,maxErrorsAllowed,ulong.MinValue,ulong.MinValue,processName,userName,encrypted,encryptedMod);public readonly Maybe<ErrorTable>ErrTable;public readonly UserTable Destination;public readonly Prod<ulong,double>MaxErrorsAllowed;ulong _currentErrorCount;ulong _currentProcessedCount;readonly string _processName;readonly string _userName;readonly bool _containsEncryptedColumn;readonly bool _mustBeAllowEncryptedValueModifications;readonly Maybe<ErrorTable>IBulkWriter.ErrTable=>ErrTable;readonly UserTable IBulkWriter.Destination=>Destination;readonly Prod<ulong,double>IBulkWriter.MaxErrorsAllowed=>MaxErrorsAllowed;public readonly ulong CurrentSuccessfullyProcessedCount=>_currentProcessedCount-_currentErrorCount;public readonly ulong CurrentErrorCount=>_currentErrorCount;public readonly ulong CurrentProcessedCount=>_currentProcessedCount;public readonly double CurrentErrorRatio=>(double)_currentErrorCount/_currentProcessedCount;public readonly bool IsInError=>_currentErrorCount>MaxErrorsAllowed.Item0&&CurrentErrorRatio>MaxErrorsAllowed.Item1;public static Result<BulkWriter<"#);
+ for j in 0..=i {
+ Kind::T.write(s, j);
+ }
+ s.pop();
+ s.push_str(">,BulkWriterCreateError>New(in UserTable table,Prod<ulong,double>maxErrorsAllowed,in Maybe<ErrorTable>errTable,string processName,string userName){if(table.Schema.Database.IsReadOnly){return new(new BulkWriterCreateError(BulkWriterCreateError.Tag.DatabaseIsReadOnly,new StackTrace(1,true)));}else if(double.IsNaN(maxErrorsAllowed.Item1)||double.IsNegative(maxErrorsAllowed.Item1)||maxErrorsAllowed.Item1>1.0d){return new(new BulkWriterCreateError(BulkWriterCreateError.Tag.InvalidErrorRatio,new StackTrace(1,true)));}else if(processName.Length>128){return new(new BulkWriterCreateError(BulkWriterCreateError.Tag.ProcessNameLengthExceeds128,new StackTrace(1,true)));}else if(userName.Length>128){return new(new BulkWriterCreateError(BulkWriterCreateError.Tag.UserNameLengthExceeds128,new StackTrace(1,true)));}else{var counter=ushort.MinValue;var match=TypeMatch(Std.Iter.Functions.FromFn(()=>counter++switch{");
+ for j in 0..=i {
+ Kind::GetType.write(s, j);
+ }
+ s.push_str("_=>Maybe<Type>.None()}),in table);return match.IsSome?match.Unwrap()?new(new BulkWriter<");
+ for j in 0..=i {
+ Kind::T.write(s, j);
+ }
+ s.pop();
+ s.push_str(">(table,errTable,maxErrorsAllowed,processName,userName,table.ContainsEncryptedColumn(),false)):new(new BulkWriterCreateError(BulkWriterCreateError.Tag.TypeMismatch,new StackTrace(1,true))):new(new BulkWriter<");
+ for j in 0..=i {
+ Kind::T.write(s, j);
+ }
+ s.pop();
+ s.push_str(">(table,errTable,maxErrorsAllowed,processName,userName,true,true));}}public override readonly bool Equals(object?_)=>false;public override readonly int GetHashCode()=>0;readonly void IBulkWriter.Sealed(){}public override readonly string ToString()=>string.Empty;public Result<Unit,WriteError>Write<TRowIter,TRow,TProd,TErr>(ref TRowIter iter,WriteOptions writeOptions,Maybe<NonZeroUshort>batchSize,Maybe<NonZeroUshort>timeout,bool enableStreaming,bool isSortedAccordingToClusteredIndex,SessionOptions options)where TErr:notnull,IBulkRowError where TProd:notnull,IBinSerializable,IProduct<");
+ for j in 0..=i {
+ Kind::T.write(s, j);
+ }
+ s.pop();
+ s.push_str(r#">where TRow:notnull,ISum<TProd,TErr>where TRowIter:notnull,IFusedIterator<TRow>{var allowEncryptMod=false;if((writeOptions&WriteOptions.AllowEncryptedValueModifications)==WriteOptions.AllowEncryptedValueModifications){if(_containsEncryptedColumn){allowEncryptMod=true;}else{return new(new WriteError(WriteError.Tag.TableExpectedToContainEncryptedDataButDoesNot,new StackTrace(1,true)));}}else if(_mustBeAllowEncryptedValueModifications){return new(new WriteError(WriteError.Tag.TableColumnMismatchOrWriteOptionsMustContainAllowEncryptedValueModifications,new StackTrace(1,true)));}using var con=Functions.CreateOpenedConnection(in Destination.Schema.Database,options,!allowEncryptMod&&_containsEncryptedColumn,Maybe<Uri>.None());if((writeOptions&WriteOptions.KeepIdentity)==WriteOptions.KeepIdentity&&Destination.ContainsIDENTITYColumn()){using var txn=con.BeginTransaction(IsolationLevel.Serializable);using (SqlCommand qry=new($"SET IDENTITY_INSERT [{Destination.Schema.Name.Value}].[{Destination.Name}] ON;",con,txn,SqlCommandColumnEncryptionSetting.Disabled){CommandTimeout=60,CommandType=CommandType.Text,EnableOptimizedParameterBinding=true}){_=qry.ExecuteNonQuery();}txn.Commit();}return WriteInternal<TRowIter,TRow,TProd,TErr>(ref iter,writeOptions,batchSize,timeout,enableStreaming,isSortedAccordingToClusteredIndex,con,null,(options&SessionOptions.NUMERIC_ROUNDABORT_OFF)!=SessionOptions.NUMERIC_ROUNDABORT_OFF,new StackTrace(1,true).ToString()).MapErr(_writeTxnErrToWriteErr);}public Result<Unit,WriteErrorOrTransactionError>Write<TRowIter,TRow,TProd,TErr>(ref TRowIter iter,WriteOptions writeOptions,Maybe<NonZeroUshort>batchSize,Maybe<NonZeroUshort>timeout,bool enableStreaming,bool isSortedAccordingToClusteredIndex,SqlTransaction txn)where TErr:notnull,IBulkRowError where TProd:notnull,IBinSerializable,IProduct<"#);
+ for j in 0..=i {
+ Kind::T.write(s, j);
+ }
+ s.pop();
+ s.push_str(r#">where TRow:notnull,ISum<TProd,TErr>where TRowIter:notnull,IFusedIterator<TRow>{if(txn.Connection.State!=ConnectionState.Open){return new(new WriteErrorOrTransactionError(WriteErrorOrTransactionError.Tag.SqlConnectionIsNotOpen,new StackTrace(1,true)));}else if(!string.Equals(txn.Connection.DataSource,$"tcp:{Destination.Schema.Database.Server.IntoString()}",StringComparison.Ordinal)){return new(new WriteErrorOrTransactionError(WriteErrorOrTransactionError.Tag.SqlConnectionServerMismatch,new StackTrace(1,true)));}else{if((writeOptions&WriteOptions.AllowEncryptedValueModifications)==WriteOptions.AllowEncryptedValueModifications){if(_containsEncryptedColumn){if(!txn.Connection.ConnectionString.Contains("Column Encryption Setting=enabled",StringComparison.Ordinal)){return new(new WriteErrorOrTransactionError(WriteErrorOrTransactionError.Tag.SqlConnectionViolatesAllowEncryptedValueModifications,new StackTrace(1,true)));}}else{return new(new WriteErrorOrTransactionError(WriteErrorOrTransactionError.Tag.TableExpectedToContainEncryptedDataButDoesNot,new StackTrace(1,true)));}}else if(_mustBeAllowEncryptedValueModifications){return new(new WriteErrorOrTransactionError(WriteErrorOrTransactionError.Tag.TableColumnMismatchOrWriteOptionsMustContainAllowEncryptedValueModifications,new StackTrace(1,true)));}else if(_containsEncryptedColumn&&!txn.Connection.ConnectionString.Contains("Column Encryption Setting=enabled",StringComparison.Ordinal)){return new(new WriteErrorOrTransactionError(WriteErrorOrTransactionError.Tag.ContainsEncryptedColumnsButConnectionDoesNotHandleEncryptedColumns,new StackTrace(1,true)));}if((writeOptions&WriteOptions.KeepIdentity)==WriteOptions.KeepIdentity&&Destination.ContainsIDENTITYColumn()){bool numericRoundAbort;using (SqlCommand qry=new($@"SET IDENTITY_INSERT [{Destination.Schema.Database.Name.Value}].[{Destination.Schema.Name.Value}].[{Destination.Name}] ON;SELECT CASE (@@OPTIONS & 8192) WHEN 8192 THEN CONVERT(bit,1) ELSE CONVERT(bit,0) END AS fblnNumericRoundabort;",txn.Connection,txn,SqlCommandColumnEncryptionSetting.Disabled){CommandTimeout=timeout.MapOr(0,_nzUshortToInt),CommandType=CommandType.Text,EnableOptimizedParameterBinding=true}){numericRoundAbort=(bool)qry.ExecuteScalar();}var tableCopy=Destination;return WriteInternal<TRowIter,TRow,TProd,TErr>(ref iter,writeOptions,batchSize,timeout,enableStreaming,isSortedAccordingToClusteredIndex,txn.Connection,txn,numericRoundAbort,new StackTrace(1,true).ToString()).MapOrElse((err)=>{using SqlCommand qry=new($"SET IDENTITY_INSERT [{tableCopy.Schema.Database.Name.Value}].[{tableCopy.Schema.Name.Value}].[{tableCopy.Name}] OFF;",txn.Connection,txn,SqlCommandColumnEncryptionSetting.Disabled){CommandTimeout=timeout.MapOr(0,_nzUshortToInt),CommandType=CommandType.Text,EnableOptimizedParameterBinding=true};_=qry.ExecuteNonQuery();return new Result<Unit,WriteErrorOrTransactionError>(err);},(x)=>{using SqlCommand qry=new($"SET IDENTITY_INSERT [{tableCopy.Schema.Database.Name.Value}].[{tableCopy.Schema.Name.Value}].[{tableCopy.Name}] OFF;",txn.Connection,txn,SqlCommandColumnEncryptionSetting.Disabled){CommandTimeout=timeout.MapOr(0,_nzUshortToInt),CommandType=CommandType.Text,EnableOptimizedParameterBinding=true};var unused=qry.ExecuteNonQuery();return new(x);});}else{bool numericRoundAbort;using (SqlCommand qry=new($@"SELECT CASE (@@OPTIONS & 8192) WHEN 8192 THEN CONVERT(bit,1) ELSE CONVERT(bit,0) END AS fblnNumericRoundabort;",txn.Connection,txn,SqlCommandColumnEncryptionSetting.Disabled){CommandTimeout=timeout.MapOr(0,_nzUshortToInt),CommandType=CommandType.Text,EnableOptimizedParameterBinding=true}){numericRoundAbort=(bool)qry.ExecuteScalar();}return WriteInternal<TRowIter,TRow,TProd,TErr>(ref iter,writeOptions,batchSize,timeout,enableStreaming,isSortedAccordingToClusteredIndex,txn.Connection,txn,numericRoundAbort,new StackTrace(1,true).ToString());}}}Result<Unit,WriteErrorOrTransactionError>WriteInternal<TRowIter,TRow,TProd,TErr>(ref TRowIter iter,WriteOptions writeOptions,Maybe<NonZeroUshort>batchSize,Maybe<NonZeroUshort>timeout,bool enableStreaming,bool isSortedAccordingToClusteredIndex,SqlConnection con,SqlTransaction?txn,bool numericRoundAbort,string stackTrace)where TErr:notnull,IBulkRowError where TProd:notnull,IBinSerializable,IProduct<"#);
+ for j in 0..=i {
+ Kind::T.write(s, j);
+ }
+ s.pop();
+ s.push_str(">where TRow:notnull,ISum<TProd,TErr>where TRowIter:notnull,IFusedIterator<TRow>{if(_currentErrorCount>MaxErrorsAllowed.Item0&&CurrentErrorRatio>MaxErrorsAllowed.Item1){return new(new WriteErrorOrTransactionError(WriteErrorOrTransactionError.Tag.MaxErrorsExceeded,new StackTrace(1,true)));}using var blk=CreateBulkCopy(in Destination,writeOptions,batchSize,timeout,enableStreaming,isSortedAccordingToClusteredIndex,con,txn);using IterDataReader<TRowIter,TRow,TProd,TErr,");
+ for j in 0..=i {
+ Kind::T.write(s, j);
+ }
+ s.pop();
+ s.push_str(">rdr=new(ErrTable,Destination,MaxErrorsAllowed,_currentProcessedCount,_currentErrorCount,iter,_processName,_userName,numericRoundAbort,stackTrace);blk.WriteToServer(rdr);_currentProcessedCount=rdr.CurrentProcessedCount;return (_currentErrorCount=rdr.CurrentErrorCount)>MaxErrorsAllowed.Item0&&CurrentErrorRatio>MaxErrorsAllowed.Item1?new(new WriteErrorOrTransactionError(WriteErrorOrTransactionError.Tag.MaxErrorsExceeded,new StackTrace(1,true))):new(new Unit());}}\n");
+ f.write_all(s.as_bytes())?;
+ s.clear();
+ }
+ f.write_all(&[b'}'])?;
+ f.flush()
+}
+/// The source code for a `BulkWriter` has multiple areas dependent
+/// on the n-arity tuple that is written to the table. The code of which
+/// is different, so we model those differences here.
+enum Kind {
+ /// Represents the sequence of type parameters T0...Tn.
+ T,
+ /// Represents the type bounds for T0...Tn.
+ Bound,
+ /// Represents the portion of the source code based on T0...Tn
+ /// in the `New` function.
+ GetType,
+}
+impl Kind {
+ /// Writes the source code related to a single type parameter.
+ fn write(self, buffer: &mut String, i: u8) {
+ let s = &i.to_string();
+ match self {
+ Self::T => {
+ buffer.push('T');
+ buffer.push_str(s);
+ buffer.push(',');
+ }
+ Self::Bound => {
+ buffer.push_str("where ");
+ buffer.push('T');
+ buffer.push_str(s);
+ buffer.push_str(":struct,IDataType ");
+ }
+ Self::GetType => {
+ buffer.push_str(s);
+ buffer.push_str("=>new(typeof(T");
+ buffer.push_str(s);
+ buffer.push_str(")),");
+ }
+ }
+ }
+}
+/// The errors possible.
+enum GenErr {
+ /// Error when `$HOME` is not set.
+ HomeVarNotSet,
+ /// Error containing a general IO error.
+ Error(Error),
+}
+impl Display for GenErr {
+ fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
+ match *self {
+ Self::HomeVarNotSet => f.write_str("$HOME is not set."),
+ Self::Error(ref e) => <Error as Display>::fmt(e, f),
+ }
+ }
+}
+impl Debug for GenErr {
+ fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
+ <Self as Display>::fmt(self, f)
+ }
+}
+impl From<Error> for GenErr {
+ fn from(value: Error) -> Self {
+ Self::Error(value)
+ }
+}
