updated docs and samples
This commit is contained in:
Jerry Liang
Родитель
0d95c8ef89
Коммит
eeabd52353
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@ -1,24 +1,28 @@
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{
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"cSpell.words": [
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"SQLDB",
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"Cmds",
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"ltrim",
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"rtrim",
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"stdev",
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"stdevp",
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"transpiled",
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"transpiler",
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"transpiling",
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"equijoin",
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"ANTLR"
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],
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"cSpell.ignoreWords": [
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"dbsql",
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"ISQLDB",
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"cond",
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"conds",
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"npipe",
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"octestdb",
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"transpiled",
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"transpiler",
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"transpiling",
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"Cmds",
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"ltrim",
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"rtrim",
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"stdev",
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"stdevp",
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"nvarchar",
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"ISNULL",
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"equijoin"
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],
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"cSpell.ignoreWords": [
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"dbsql"
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"repos",
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"RDBMS",
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"opencode"
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]
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}
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26
README.md
26
README.md
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@ -22,15 +22,22 @@ The library, written in [.Net Core](https://dotnet.microsoft.com/download), is c
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## Using the library
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```CSharp
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// To Be Provided
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```
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## Build on top of this library
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```CSharp
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// To Be Provided
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var cypherQueryText = @"
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MATCH (d:device)-[:belongsTo]->(t:tenant)
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MATCH (d)-[:runs]->(a:app)
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RETURN t.id as TenantId, a.AppName as AppName, COUNT(d) as DeviceCount
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";
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var graphDef = new SimpleProvider();
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var plan = LogicalPlan.ProcessQueryTree(OpenCypherParser.Parse(cypherQueryText), graphDef);
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var sqlRender = new SQLRenderer(graphDef);
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var tSqlQuery = sqlRender.RenderPlan(plan);
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Console.WriteLine("Transpiled T-SQL query:");
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Console.WriteLine(tSqlQuery);
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```
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See the full examples in [examples](docs/examples) folder.
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## Test designs
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@ -46,9 +53,8 @@ dotnet test
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### Current work in Progress
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* Publish NuGet packages
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* Update docs and helps
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* Inline conditions with node labels (e.g. MATCH (n:))
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* list, collect, UNWIND support
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* List, collect, UNWIND support
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### Issues to address on the horizon
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* MATCH pattern with unspecified labels or label patterns maps to more than a single label/relationship type
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@ -1,6 +1,7 @@
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text.RegularExpressions;
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using openCypherTranspiler.Common.GraphSchema;
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using openCypherTranspiler.LogicalPlanner;
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using openCypherTranspiler.openCypherParser;
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@ -8,6 +9,14 @@ using openCypherTranspiler.SQLRenderer;
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namespace Simple
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{
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public static class StringHelper
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{
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public static string StripMargin(this string s)
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{
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return Regex.Replace(s, @"[ \t]+\|", string.Empty);
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}
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}
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class Program
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{
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class SimpleProvider : ISQLDBSchemaProvider
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@ -150,11 +159,14 @@ namespace Simple
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static void Main(string[] args)
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{
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// To run this program directly after build, in shell, type:
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// dotnet run bin/Debug/netcoreapp2.1/simple.dll
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var cypherQueryText = @"
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MATCH (d:device)-[:belongsTo]->(t:tenant)
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MATCH (d)-[:runs]->(a:app)
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RETURN t.id as TenantId, a.AppName as AppName, COUNT(d) as DeviceCount
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";
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|MATCH (d:device)-[:belongsTo]->(t:tenant)
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|MATCH (d)-[:runs]->(a:app)
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|RETURN t.id as TenantId, a.AppName as AppName, COUNT(d) as DeviceCount
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".StripMargin();
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Console.WriteLine("Input openCypher Query:");
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Console.WriteLine(cypherQueryText);
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@ -25,7 +25,7 @@ namespace openCypherTranspiler.LogicalPlanner
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{
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private ILoggable _logger;
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public LogicalPlan(ILoggable logger)
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public LogicalPlan(ILoggable logger = null)
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{
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_logger = logger;
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}
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@ -53,53 +53,53 @@ namespace openCypherTranspiler.SQLRenderer
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// Map from operator type for CAST statement when need arises in some situlations such as CASE WHEN
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private static readonly IDictionary<Type, SqlDbType> TypeToSQLTypeMapping = new Dictionary<Type, SqlDbType>()
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{
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// https://docs.microsoft.com/en-us/dotnet/framework/data/adonet/sql-server-data-type-mappings
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{ typeof(int), SqlDbType.Int},
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{ typeof(short), SqlDbType.SmallInt},
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{ typeof(long), SqlDbType.BigInt},
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{ typeof(double), SqlDbType.Float},
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{ typeof(string), SqlDbType.NVarChar},
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{ typeof(float), SqlDbType.Float},
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{ typeof(DateTime), SqlDbType.DateTime2}, // https://docs.microsoft.com/en-us/sql/t-sql/data-types/datetime-transact-sql?view=sql-server-2017
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{ typeof(bool), SqlDbType.Bit},
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{ typeof(Guid), SqlDbType.UniqueIdentifier},
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{ typeof(uint), SqlDbType.Int},
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{ typeof(ushort), SqlDbType.SmallInt},
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{ typeof(ulong), SqlDbType.BigInt},
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{ typeof(byte), SqlDbType.TinyInt},
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{ typeof(byte[]), SqlDbType.Binary},
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{ typeof(decimal), SqlDbType.Decimal},
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};
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{
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// https://docs.microsoft.com/en-us/dotnet/framework/data/adonet/sql-server-data-type-mappings
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{ typeof(int), SqlDbType.Int},
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{ typeof(short), SqlDbType.SmallInt},
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{ typeof(long), SqlDbType.BigInt},
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{ typeof(double), SqlDbType.Float},
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{ typeof(string), SqlDbType.NVarChar},
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{ typeof(float), SqlDbType.Float},
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{ typeof(DateTime), SqlDbType.DateTime2}, // https://docs.microsoft.com/en-us/sql/t-sql/data-types/datetime-transact-sql?view=sql-server-2017
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{ typeof(bool), SqlDbType.Bit},
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{ typeof(Guid), SqlDbType.UniqueIdentifier},
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{ typeof(uint), SqlDbType.Int},
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{ typeof(ushort), SqlDbType.SmallInt},
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{ typeof(ulong), SqlDbType.BigInt},
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{ typeof(byte), SqlDbType.TinyInt},
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{ typeof(byte[]), SqlDbType.Binary},
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{ typeof(decimal), SqlDbType.Decimal},
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};
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private static readonly IDictionary<SqlDbType, string> SQLTypeRenderingMapping = new Dictionary<SqlDbType, string>()
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{
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// Doc: https://docs.microsoft.com/en-us/dotnet/framework/data/adonet/sql-server-data-type-mappings
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{ SqlDbType.Int, "int" },
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{ SqlDbType.SmallInt, "smallint" },
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{ SqlDbType.BigInt, "bigint" },
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{ SqlDbType.Float, "float" },
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{ SqlDbType.NVarChar, "nvarchar(MAX)" },
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{ SqlDbType.DateTime2, "datetime2" },
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{ SqlDbType.Bit, "bit"},
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{ SqlDbType.UniqueIdentifier, "uniqueidentifier" },
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{ SqlDbType.TinyInt, "tinyint" },
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{ SqlDbType.Binary, "binary" },
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{ SqlDbType.Decimal, "decimal" },
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};
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{
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// Doc: https://docs.microsoft.com/en-us/dotnet/framework/data/adonet/sql-server-data-type-mappings
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{ SqlDbType.Int, "int" },
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{ SqlDbType.SmallInt, "smallint" },
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{ SqlDbType.BigInt, "bigint" },
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{ SqlDbType.Float, "float" },
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{ SqlDbType.NVarChar, "nvarchar(MAX)" },
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{ SqlDbType.DateTime2, "datetime2" },
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{ SqlDbType.Bit, "bit"},
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{ SqlDbType.UniqueIdentifier, "uniqueidentifier" },
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{ SqlDbType.TinyInt, "tinyint" },
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{ SqlDbType.Binary, "binary" },
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{ SqlDbType.Decimal, "decimal" },
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};
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// Map from Aggregation Function to its equivalent in SQL
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private static readonly IDictionary<AggregationFunction, string> AggregationFunctionRenderPattern = new Dictionary<AggregationFunction, string>()
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{
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{ AggregationFunction.Avg, "AVG(CAST({0} AS float))"},
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{ AggregationFunction.Sum, "SUM({0})"},
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{ AggregationFunction.Min, "MIN({0})"},
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{ AggregationFunction.Max, "MAX({0})"},
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{ AggregationFunction.First, "MIN({0})"},
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{ AggregationFunction.Last, "MAX({0})"},
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{ AggregationFunction.StDev, "STDEV({0})" },
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{ AggregationFunction.StDevP, "STDEVP({0})" },
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};
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{
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{ AggregationFunction.Avg, "AVG(CAST({0} AS float))"},
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{ AggregationFunction.Sum, "SUM({0})"},
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{ AggregationFunction.Min, "MIN({0})"},
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{ AggregationFunction.Max, "MAX({0})"},
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{ AggregationFunction.First, "MIN({0})"},
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{ AggregationFunction.Last, "MAX({0})"},
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{ AggregationFunction.StDev, "STDEV({0})" },
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{ AggregationFunction.StDevP, "STDEVP({0})" },
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};
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enum ConversionType
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{
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@ -110,130 +110,131 @@ namespace openCypherTranspiler.SQLRenderer
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}
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private static readonly IDictionary<(SqlDbType, SqlDbType), ConversionType> SQLTypeConversionType = new Dictionary<(SqlDbType, SqlDbType), ConversionType>()
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{
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// Doc: https://docs.microsoft.com/en-us/sql/t-sql/functions/cast-and-convert-transact-sql?view=sql-server-2017
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{ (SqlDbType.Int, SqlDbType.Int), ConversionType.NoNeed },
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{ (SqlDbType.Int, SqlDbType.SmallInt), ConversionType.Cast },
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{ (SqlDbType.Int, SqlDbType.BigInt), ConversionType.Cast },
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{ (SqlDbType.Int, SqlDbType.Float), ConversionType.Cast },
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{ (SqlDbType.Int, SqlDbType.NVarChar), ConversionType.Cast },
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{ (SqlDbType.Int, SqlDbType.DateTime2), ConversionType.Invalid },
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{ (SqlDbType.Int, SqlDbType.Bit), ConversionType.Cast },
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{ (SqlDbType.Int, SqlDbType.UniqueIdentifier), ConversionType.Invalid },
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{ (SqlDbType.Int, SqlDbType.TinyInt), ConversionType.Cast },
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{ (SqlDbType.Int, SqlDbType.Binary), ConversionType.Cast },
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{ (SqlDbType.Int, SqlDbType.Decimal), ConversionType.Cast },
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{ (SqlDbType.SmallInt, SqlDbType.Int), ConversionType.Cast },
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{ (SqlDbType.SmallInt, SqlDbType.SmallInt), ConversionType.NoNeed },
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{ (SqlDbType.SmallInt, SqlDbType.BigInt), ConversionType.Cast },
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{ (SqlDbType.SmallInt, SqlDbType.Float), ConversionType.Cast },
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{ (SqlDbType.SmallInt, SqlDbType.NVarChar), ConversionType.Cast },
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{ (SqlDbType.SmallInt, SqlDbType.DateTime2), ConversionType.Invalid },
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{ (SqlDbType.SmallInt, SqlDbType.Bit), ConversionType.Cast },
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{ (SqlDbType.SmallInt, SqlDbType.UniqueIdentifier), ConversionType.Invalid },
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{ (SqlDbType.SmallInt, SqlDbType.TinyInt), ConversionType.Cast },
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{ (SqlDbType.SmallInt, SqlDbType.Binary), ConversionType.Cast },
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{ (SqlDbType.SmallInt, SqlDbType.Decimal), ConversionType.Cast },
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{ (SqlDbType.BigInt, SqlDbType.Int), ConversionType.Cast },
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{ (SqlDbType.BigInt, SqlDbType.SmallInt), ConversionType.Cast },
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{ (SqlDbType.BigInt, SqlDbType.BigInt), ConversionType.NoNeed },
|
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{ (SqlDbType.BigInt, SqlDbType.Float), ConversionType.Cast },
|
||||
{ (SqlDbType.BigInt, SqlDbType.NVarChar), ConversionType.Cast },
|
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{ (SqlDbType.BigInt, SqlDbType.DateTime2), ConversionType.Invalid },
|
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{ (SqlDbType.BigInt, SqlDbType.Bit), ConversionType.Cast },
|
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{ (SqlDbType.BigInt, SqlDbType.UniqueIdentifier), ConversionType.Invalid },
|
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{ (SqlDbType.BigInt, SqlDbType.TinyInt), ConversionType.Cast },
|
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{ (SqlDbType.BigInt, SqlDbType.Binary), ConversionType.Cast },
|
||||
{ (SqlDbType.BigInt, SqlDbType.Decimal), ConversionType.Cast },
|
||||
{ (SqlDbType.Float, SqlDbType.Int), ConversionType.Cast },
|
||||
{ (SqlDbType.Float, SqlDbType.SmallInt), ConversionType.Cast },
|
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{ (SqlDbType.Float, SqlDbType.BigInt), ConversionType.Cast },
|
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{ (SqlDbType.Float, SqlDbType.Float), ConversionType.NoNeed },
|
||||
{ (SqlDbType.Float, SqlDbType.NVarChar), ConversionType.Cast },
|
||||
{ (SqlDbType.Float, SqlDbType.DateTime2), ConversionType.Invalid },
|
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{ (SqlDbType.Float, SqlDbType.Bit), ConversionType.Cast },
|
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{ (SqlDbType.Float, SqlDbType.UniqueIdentifier), ConversionType.Invalid },
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{ (SqlDbType.Float, SqlDbType.TinyInt), ConversionType.Cast },
|
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{ (SqlDbType.Float, SqlDbType.Binary), ConversionType.Cast },
|
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{ (SqlDbType.Float, SqlDbType.Decimal), ConversionType.Cast },
|
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{ (SqlDbType.NVarChar, SqlDbType.Int), ConversionType.Cast },
|
||||
{ (SqlDbType.NVarChar, SqlDbType.SmallInt), ConversionType.Cast },
|
||||
{ (SqlDbType.NVarChar, SqlDbType.BigInt), ConversionType.Cast },
|
||||
{ (SqlDbType.NVarChar, SqlDbType.Float), ConversionType.Cast },
|
||||
{ (SqlDbType.NVarChar, SqlDbType.NVarChar), ConversionType.NoNeed },
|
||||
{ (SqlDbType.NVarChar, SqlDbType.DateTime2), ConversionType.Cast },
|
||||
{ (SqlDbType.NVarChar, SqlDbType.Bit), ConversionType.Cast },
|
||||
{ (SqlDbType.NVarChar, SqlDbType.UniqueIdentifier), ConversionType.Cast },
|
||||
{ (SqlDbType.NVarChar, SqlDbType.TinyInt), ConversionType.Cast },
|
||||
{ (SqlDbType.NVarChar, SqlDbType.Binary), ConversionType.Convert },
|
||||
{ (SqlDbType.NVarChar, SqlDbType.Decimal), ConversionType.Cast },
|
||||
{ (SqlDbType.DateTime2, SqlDbType.Int), ConversionType.Invalid },
|
||||
{ (SqlDbType.DateTime2, SqlDbType.SmallInt), ConversionType.Invalid },
|
||||
{ (SqlDbType.DateTime2, SqlDbType.BigInt), ConversionType.Invalid },
|
||||
{ (SqlDbType.DateTime2, SqlDbType.Float), ConversionType.Invalid },
|
||||
{ (SqlDbType.DateTime2, SqlDbType.NVarChar), ConversionType.Cast },
|
||||
{ (SqlDbType.DateTime2, SqlDbType.DateTime2), ConversionType.NoNeed },
|
||||
{ (SqlDbType.DateTime2, SqlDbType.Bit), ConversionType.Invalid },
|
||||
{ (SqlDbType.DateTime2, SqlDbType.UniqueIdentifier), ConversionType.Invalid },
|
||||
{ (SqlDbType.DateTime2, SqlDbType.TinyInt), ConversionType.Invalid },
|
||||
{ (SqlDbType.DateTime2, SqlDbType.Binary), ConversionType.Convert },
|
||||
{ (SqlDbType.DateTime2, SqlDbType.Decimal), ConversionType.Invalid },
|
||||
{ (SqlDbType.Bit, SqlDbType.Int), ConversionType.Cast },
|
||||
{ (SqlDbType.Bit, SqlDbType.SmallInt), ConversionType.Cast },
|
||||
{ (SqlDbType.Bit, SqlDbType.BigInt), ConversionType.Cast },
|
||||
{ (SqlDbType.Bit, SqlDbType.Float), ConversionType.Cast },
|
||||
{ (SqlDbType.Bit, SqlDbType.NVarChar), ConversionType.Cast },
|
||||
{ (SqlDbType.Bit, SqlDbType.DateTime2), ConversionType.Invalid },
|
||||
{ (SqlDbType.Bit, SqlDbType.Bit), ConversionType.NoNeed },
|
||||
{ (SqlDbType.Bit, SqlDbType.UniqueIdentifier), ConversionType.Invalid },
|
||||
{ (SqlDbType.Bit, SqlDbType.TinyInt), ConversionType.Cast },
|
||||
{ (SqlDbType.Bit, SqlDbType.Binary), ConversionType.Cast },
|
||||
{ (SqlDbType.Bit, SqlDbType.Decimal), ConversionType.Cast },
|
||||
{ (SqlDbType.UniqueIdentifier, SqlDbType.Int), ConversionType.Invalid },
|
||||
{ (SqlDbType.UniqueIdentifier, SqlDbType.SmallInt), ConversionType.Invalid },
|
||||
{ (SqlDbType.UniqueIdentifier, SqlDbType.BigInt), ConversionType.Invalid },
|
||||
{ (SqlDbType.UniqueIdentifier, SqlDbType.Float), ConversionType.Invalid },
|
||||
{ (SqlDbType.UniqueIdentifier, SqlDbType.NVarChar), ConversionType.Cast },
|
||||
{ (SqlDbType.UniqueIdentifier, SqlDbType.DateTime2), ConversionType.Invalid },
|
||||
{ (SqlDbType.UniqueIdentifier, SqlDbType.Bit), ConversionType.Invalid },
|
||||
{ (SqlDbType.UniqueIdentifier, SqlDbType.UniqueIdentifier), ConversionType.NoNeed },
|
||||
{ (SqlDbType.UniqueIdentifier, SqlDbType.TinyInt), ConversionType.Invalid },
|
||||
{ (SqlDbType.UniqueIdentifier, SqlDbType.Binary), ConversionType.Cast },
|
||||
{ (SqlDbType.UniqueIdentifier, SqlDbType.Decimal), ConversionType.Invalid },
|
||||
{ (SqlDbType.TinyInt, SqlDbType.Int), ConversionType.Cast },
|
||||
{ (SqlDbType.TinyInt, SqlDbType.SmallInt), ConversionType.Cast },
|
||||
{ (SqlDbType.TinyInt, SqlDbType.BigInt), ConversionType.Cast },
|
||||
{ (SqlDbType.TinyInt, SqlDbType.Float), ConversionType.Cast },
|
||||
{ (SqlDbType.TinyInt, SqlDbType.NVarChar), ConversionType.Cast },
|
||||
{ (SqlDbType.TinyInt, SqlDbType.DateTime2), ConversionType.Invalid },
|
||||
{ (SqlDbType.TinyInt, SqlDbType.Bit), ConversionType.Cast },
|
||||
{ (SqlDbType.TinyInt, SqlDbType.UniqueIdentifier), ConversionType.Invalid },
|
||||
{ (SqlDbType.TinyInt, SqlDbType.TinyInt), ConversionType.NoNeed },
|
||||
{ (SqlDbType.TinyInt, SqlDbType.Binary), ConversionType.Cast },
|
||||
{ (SqlDbType.TinyInt, SqlDbType.Decimal), ConversionType.Cast },
|
||||
{ (SqlDbType.Binary, SqlDbType.Int), ConversionType.Cast },
|
||||
{ (SqlDbType.Binary, SqlDbType.SmallInt), ConversionType.Cast },
|
||||
{ (SqlDbType.Binary, SqlDbType.BigInt), ConversionType.Cast },
|
||||
{ (SqlDbType.Binary, SqlDbType.Float), ConversionType.Invalid },
|
||||
{ (SqlDbType.Binary, SqlDbType.NVarChar), ConversionType.Cast },
|
||||
{ (SqlDbType.Binary, SqlDbType.DateTime2), ConversionType.Convert },
|
||||
{ (SqlDbType.Binary, SqlDbType.Bit), ConversionType.Cast },
|
||||
{ (SqlDbType.Binary, SqlDbType.UniqueIdentifier), ConversionType.Cast },
|
||||
{ (SqlDbType.Binary, SqlDbType.TinyInt), ConversionType.Cast },
|
||||
{ (SqlDbType.Binary, SqlDbType.Binary), ConversionType.NoNeed },
|
||||
{ (SqlDbType.Binary, SqlDbType.Decimal), ConversionType.Cast },
|
||||
{ (SqlDbType.Decimal, SqlDbType.Int), ConversionType.Cast },
|
||||
{ (SqlDbType.Decimal, SqlDbType.SmallInt), ConversionType.Cast },
|
||||
{ (SqlDbType.Decimal, SqlDbType.BigInt), ConversionType.Cast },
|
||||
{ (SqlDbType.Decimal, SqlDbType.Float), ConversionType.Cast },
|
||||
{ (SqlDbType.Decimal, SqlDbType.NVarChar), ConversionType.Cast },
|
||||
{ (SqlDbType.Decimal, SqlDbType.DateTime2), ConversionType.Invalid },
|
||||
{ (SqlDbType.Decimal, SqlDbType.Bit), ConversionType.Cast },
|
||||
{ (SqlDbType.Decimal, SqlDbType.UniqueIdentifier), ConversionType.Invalid },
|
||||
{ (SqlDbType.Decimal, SqlDbType.TinyInt), ConversionType.Cast },
|
||||
{ (SqlDbType.Decimal, SqlDbType.Binary), ConversionType.Cast },
|
||||
{ (SqlDbType.Decimal, SqlDbType.Decimal), ConversionType.Cast },
|
||||
};
|
||||
{
|
||||
// Doc: https://docs.microsoft.com/en-us/sql/t-sql/functions/cast-and-convert-transact-sql?view=sql-server-2017
|
||||
{ (SqlDbType.Int, SqlDbType.Int), ConversionType.NoNeed },
|
||||
{ (SqlDbType.Int, SqlDbType.SmallInt), ConversionType.Cast },
|
||||
{ (SqlDbType.Int, SqlDbType.BigInt), ConversionType.Cast },
|
||||
{ (SqlDbType.Int, SqlDbType.Float), ConversionType.Cast },
|
||||
{ (SqlDbType.Int, SqlDbType.NVarChar), ConversionType.Cast },
|
||||
{ (SqlDbType.Int, SqlDbType.DateTime2), ConversionType.Invalid },
|
||||
{ (SqlDbType.Int, SqlDbType.Bit), ConversionType.Cast },
|
||||
{ (SqlDbType.Int, SqlDbType.UniqueIdentifier), ConversionType.Invalid },
|
||||
{ (SqlDbType.Int, SqlDbType.TinyInt), ConversionType.Cast },
|
||||
{ (SqlDbType.Int, SqlDbType.Binary), ConversionType.Cast },
|
||||
{ (SqlDbType.Int, SqlDbType.Decimal), ConversionType.Cast },
|
||||
{ (SqlDbType.SmallInt, SqlDbType.Int), ConversionType.Cast },
|
||||
{ (SqlDbType.SmallInt, SqlDbType.SmallInt), ConversionType.NoNeed },
|
||||
{ (SqlDbType.SmallInt, SqlDbType.BigInt), ConversionType.Cast },
|
||||
{ (SqlDbType.SmallInt, SqlDbType.Float), ConversionType.Cast },
|
||||
{ (SqlDbType.SmallInt, SqlDbType.NVarChar), ConversionType.Cast },
|
||||
{ (SqlDbType.SmallInt, SqlDbType.DateTime2), ConversionType.Invalid },
|
||||
{ (SqlDbType.SmallInt, SqlDbType.Bit), ConversionType.Cast },
|
||||
{ (SqlDbType.SmallInt, SqlDbType.UniqueIdentifier), ConversionType.Invalid },
|
||||
{ (SqlDbType.SmallInt, SqlDbType.TinyInt), ConversionType.Cast },
|
||||
{ (SqlDbType.SmallInt, SqlDbType.Binary), ConversionType.Cast },
|
||||
{ (SqlDbType.SmallInt, SqlDbType.Decimal), ConversionType.Cast },
|
||||
{ (SqlDbType.BigInt, SqlDbType.Int), ConversionType.Cast },
|
||||
{ (SqlDbType.BigInt, SqlDbType.SmallInt), ConversionType.Cast },
|
||||
{ (SqlDbType.BigInt, SqlDbType.BigInt), ConversionType.NoNeed },
|
||||
{ (SqlDbType.BigInt, SqlDbType.Float), ConversionType.Cast },
|
||||
{ (SqlDbType.BigInt, SqlDbType.NVarChar), ConversionType.Cast },
|
||||
{ (SqlDbType.BigInt, SqlDbType.DateTime2), ConversionType.Invalid },
|
||||
{ (SqlDbType.BigInt, SqlDbType.Bit), ConversionType.Cast },
|
||||
{ (SqlDbType.BigInt, SqlDbType.UniqueIdentifier), ConversionType.Invalid },
|
||||
{ (SqlDbType.BigInt, SqlDbType.TinyInt), ConversionType.Cast },
|
||||
{ (SqlDbType.BigInt, SqlDbType.Binary), ConversionType.Cast },
|
||||
{ (SqlDbType.BigInt, SqlDbType.Decimal), ConversionType.Cast },
|
||||
{ (SqlDbType.Float, SqlDbType.Int), ConversionType.Cast },
|
||||
{ (SqlDbType.Float, SqlDbType.SmallInt), ConversionType.Cast },
|
||||
{ (SqlDbType.Float, SqlDbType.BigInt), ConversionType.Cast },
|
||||
{ (SqlDbType.Float, SqlDbType.Float), ConversionType.NoNeed },
|
||||
{ (SqlDbType.Float, SqlDbType.NVarChar), ConversionType.Cast },
|
||||
{ (SqlDbType.Float, SqlDbType.DateTime2), ConversionType.Invalid },
|
||||
{ (SqlDbType.Float, SqlDbType.Bit), ConversionType.Cast },
|
||||
{ (SqlDbType.Float, SqlDbType.UniqueIdentifier), ConversionType.Invalid },
|
||||
{ (SqlDbType.Float, SqlDbType.TinyInt), ConversionType.Cast },
|
||||
{ (SqlDbType.Float, SqlDbType.Binary), ConversionType.Cast },
|
||||
{ (SqlDbType.Float, SqlDbType.Decimal), ConversionType.Cast },
|
||||
{ (SqlDbType.NVarChar, SqlDbType.Int), ConversionType.Cast },
|
||||
{ (SqlDbType.NVarChar, SqlDbType.SmallInt), ConversionType.Cast },
|
||||
{ (SqlDbType.NVarChar, SqlDbType.BigInt), ConversionType.Cast },
|
||||
{ (SqlDbType.NVarChar, SqlDbType.Float), ConversionType.Cast },
|
||||
{ (SqlDbType.NVarChar, SqlDbType.NVarChar), ConversionType.NoNeed },
|
||||
{ (SqlDbType.NVarChar, SqlDbType.DateTime2), ConversionType.Cast },
|
||||
{ (SqlDbType.NVarChar, SqlDbType.Bit), ConversionType.Cast },
|
||||
{ (SqlDbType.NVarChar, SqlDbType.UniqueIdentifier), ConversionType.Cast },
|
||||
{ (SqlDbType.NVarChar, SqlDbType.TinyInt), ConversionType.Cast },
|
||||
{ (SqlDbType.NVarChar, SqlDbType.Binary), ConversionType.Convert },
|
||||
{ (SqlDbType.NVarChar, SqlDbType.Decimal), ConversionType.Cast },
|
||||
{ (SqlDbType.DateTime2, SqlDbType.Int), ConversionType.Invalid },
|
||||
{ (SqlDbType.DateTime2, SqlDbType.SmallInt), ConversionType.Invalid },
|
||||
{ (SqlDbType.DateTime2, SqlDbType.BigInt), ConversionType.Invalid },
|
||||
{ (SqlDbType.DateTime2, SqlDbType.Float), ConversionType.Invalid },
|
||||
{ (SqlDbType.DateTime2, SqlDbType.NVarChar), ConversionType.Cast },
|
||||
{ (SqlDbType.DateTime2, SqlDbType.DateTime2), ConversionType.NoNeed },
|
||||
{ (SqlDbType.DateTime2, SqlDbType.Bit), ConversionType.Invalid },
|
||||
{ (SqlDbType.DateTime2, SqlDbType.UniqueIdentifier), ConversionType.Invalid },
|
||||
{ (SqlDbType.DateTime2, SqlDbType.TinyInt), ConversionType.Invalid },
|
||||
{ (SqlDbType.DateTime2, SqlDbType.Binary), ConversionType.Convert },
|
||||
{ (SqlDbType.DateTime2, SqlDbType.Decimal), ConversionType.Invalid },
|
||||
{ (SqlDbType.Bit, SqlDbType.Int), ConversionType.Cast },
|
||||
{ (SqlDbType.Bit, SqlDbType.SmallInt), ConversionType.Cast },
|
||||
{ (SqlDbType.Bit, SqlDbType.BigInt), ConversionType.Cast },
|
||||
{ (SqlDbType.Bit, SqlDbType.Float), ConversionType.Cast },
|
||||
{ (SqlDbType.Bit, SqlDbType.NVarChar), ConversionType.Cast },
|
||||
{ (SqlDbType.Bit, SqlDbType.DateTime2), ConversionType.Invalid },
|
||||
{ (SqlDbType.Bit, SqlDbType.Bit), ConversionType.NoNeed },
|
||||
{ (SqlDbType.Bit, SqlDbType.UniqueIdentifier), ConversionType.Invalid },
|
||||
{ (SqlDbType.Bit, SqlDbType.TinyInt), ConversionType.Cast },
|
||||
{ (SqlDbType.Bit, SqlDbType.Binary), ConversionType.Cast },
|
||||
{ (SqlDbType.Bit, SqlDbType.Decimal), ConversionType.Cast },
|
||||
{ (SqlDbType.UniqueIdentifier, SqlDbType.Int), ConversionType.Invalid },
|
||||
{ (SqlDbType.UniqueIdentifier, SqlDbType.SmallInt), ConversionType.Invalid },
|
||||
{ (SqlDbType.UniqueIdentifier, SqlDbType.BigInt), ConversionType.Invalid },
|
||||
{ (SqlDbType.UniqueIdentifier, SqlDbType.Float), ConversionType.Invalid },
|
||||
{ (SqlDbType.UniqueIdentifier, SqlDbType.NVarChar), ConversionType.Cast },
|
||||
{ (SqlDbType.UniqueIdentifier, SqlDbType.DateTime2), ConversionType.Invalid },
|
||||
{ (SqlDbType.UniqueIdentifier, SqlDbType.Bit), ConversionType.Invalid },
|
||||
{ (SqlDbType.UniqueIdentifier, SqlDbType.UniqueIdentifier), ConversionType.NoNeed },
|
||||
{ (SqlDbType.UniqueIdentifier, SqlDbType.TinyInt), ConversionType.Invalid },
|
||||
{ (SqlDbType.UniqueIdentifier, SqlDbType.Binary), ConversionType.Cast },
|
||||
{ (SqlDbType.UniqueIdentifier, SqlDbType.Decimal), ConversionType.Invalid },
|
||||
{ (SqlDbType.TinyInt, SqlDbType.Int), ConversionType.Cast },
|
||||
{ (SqlDbType.TinyInt, SqlDbType.SmallInt), ConversionType.Cast },
|
||||
{ (SqlDbType.TinyInt, SqlDbType.BigInt), ConversionType.Cast },
|
||||
{ (SqlDbType.TinyInt, SqlDbType.Float), ConversionType.Cast },
|
||||
{ (SqlDbType.TinyInt, SqlDbType.NVarChar), ConversionType.Cast },
|
||||
{ (SqlDbType.TinyInt, SqlDbType.DateTime2), ConversionType.Invalid },
|
||||
{ (SqlDbType.TinyInt, SqlDbType.Bit), ConversionType.Cast },
|
||||
{ (SqlDbType.TinyInt, SqlDbType.UniqueIdentifier), ConversionType.Invalid },
|
||||
{ (SqlDbType.TinyInt, SqlDbType.TinyInt), ConversionType.NoNeed },
|
||||
{ (SqlDbType.TinyInt, SqlDbType.Binary), ConversionType.Cast },
|
||||
{ (SqlDbType.TinyInt, SqlDbType.Decimal), ConversionType.Cast },
|
||||
{ (SqlDbType.Binary, SqlDbType.Int), ConversionType.Cast },
|
||||
{ (SqlDbType.Binary, SqlDbType.SmallInt), ConversionType.Cast },
|
||||
{ (SqlDbType.Binary, SqlDbType.BigInt), ConversionType.Cast },
|
||||
{ (SqlDbType.Binary, SqlDbType.Float), ConversionType.Invalid },
|
||||
{ (SqlDbType.Binary, SqlDbType.NVarChar), ConversionType.Cast },
|
||||
{ (SqlDbType.Binary, SqlDbType.DateTime2), ConversionType.Convert },
|
||||
{ (SqlDbType.Binary, SqlDbType.Bit), ConversionType.Cast },
|
||||
{ (SqlDbType.Binary, SqlDbType.UniqueIdentifier), ConversionType.Cast },
|
||||
{ (SqlDbType.Binary, SqlDbType.TinyInt), ConversionType.Cast },
|
||||
{ (SqlDbType.Binary, SqlDbType.Binary), ConversionType.NoNeed },
|
||||
{ (SqlDbType.Binary, SqlDbType.Decimal), ConversionType.Cast },
|
||||
{ (SqlDbType.Decimal, SqlDbType.Int), ConversionType.Cast },
|
||||
{ (SqlDbType.Decimal, SqlDbType.SmallInt), ConversionType.Cast },
|
||||
{ (SqlDbType.Decimal, SqlDbType.BigInt), ConversionType.Cast },
|
||||
{ (SqlDbType.Decimal, SqlDbType.Float), ConversionType.Cast },
|
||||
{ (SqlDbType.Decimal, SqlDbType.NVarChar), ConversionType.Cast },
|
||||
{ (SqlDbType.Decimal, SqlDbType.DateTime2), ConversionType.Invalid },
|
||||
{ (SqlDbType.Decimal, SqlDbType.Bit), ConversionType.Cast },
|
||||
{ (SqlDbType.Decimal, SqlDbType.UniqueIdentifier), ConversionType.Invalid },
|
||||
{ (SqlDbType.Decimal, SqlDbType.TinyInt), ConversionType.Cast },
|
||||
{ (SqlDbType.Decimal, SqlDbType.Binary), ConversionType.Cast },
|
||||
{ (SqlDbType.Decimal, SqlDbType.Decimal), ConversionType.Cast },
|
||||
};
|
||||
|
||||
|
||||
class ExpressionRenderingContext
|
||||
{
|
||||
|
|
@ -271,8 +272,8 @@ namespace openCypherTranspiler.SQLRenderer
|
|||
/// <param name="logger">Optional. For logging</param>
|
||||
public SQLRenderer
|
||||
(
|
||||
ISQLDBSchemaProvider graphDef,
|
||||
ILoggable logger = null
|
||||
ISQLDBSchemaProvider graphDef,
|
||||
ILoggable logger = null
|
||||
)
|
||||
{
|
||||
_graphDef = graphDef;
|
||||
|
|
|
|||
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