birschick-bq commented on code in PR #1467: URL: https://github.com/apache/arrow-adbc/pull/1467#discussion_r1459449708
########## csharp/test/Drivers/Interop/Snowflake/CastTests.cs: ########## @@ -0,0 +1,397 @@ +/* +* Licensed to the Apache Software Foundation (ASF) under one or more +* contributor license agreements. See the NOTICE file distributed with +* this work for additional information regarding copyright ownership. +* The ASF licenses this file to You under the Apache License, Version 2.0 +* (the "License"); you may not use this file except in compliance with +* the License. You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +using System; +using System.Collections.Generic; +using System.Threading.Tasks; +using Apache.Arrow.Ipc; +using Apache.Arrow.Types; +using Xunit; + +namespace Apache.Arrow.Adbc.Tests.Drivers.Interop.Snowflake +{ + // TODO: When supported, use prepared statements instead of SQL string literals + // Which will better test how the driver handles values sent/received + + public class CastTests : IDisposable + { + private const string COLUMN_NAME = "SOURCE_COLUMN"; + static readonly string s_testTablePrefix = "ADBCCASTTEST_"; // Make configurable? Also; must be all caps if not double quoted + readonly SnowflakeTestConfiguration _snowflakeTestConfiguration; + readonly AdbcConnection _connection; + readonly AdbcStatement _statement; + readonly string _catalogSchema; + readonly Dictionary<string, string> _columnSpecifications; + private bool _disposed = false; + + /// <summary> + /// Validates that specific conversion and casting functions perform correctly. + /// Note: Does not test the generic CAST and TRY_CAST, but instead uses the + /// direct conversion functions. + /// </summary> + public CastTests() + { + Skip.IfNot(Utils.CanExecuteTestConfig(SnowflakeTestingUtils.SNOWFLAKE_TEST_CONFIG_VARIABLE)); + _snowflakeTestConfiguration = SnowflakeTestingUtils.TestConfiguration; + Dictionary<string, string> parameters = new Dictionary<string, string>(); + Dictionary<string, string> options = new Dictionary<string, string>(); + AdbcDriver snowflakeDriver = SnowflakeTestingUtils.GetSnowflakeAdbcDriver(_snowflakeTestConfiguration, out parameters); + AdbcDatabase adbcDatabase = snowflakeDriver.Open(parameters); + _connection = adbcDatabase.Connect(options); + _statement = _connection.CreateStatement(); + _catalogSchema = string.Format("{0}.{1}", _snowflakeTestConfiguration.Metadata.Catalog, _snowflakeTestConfiguration.Metadata.Schema); + // Simplify TIMEZONE tests so we don't have to deal with time zone offsets. + SetSessionTimezone(_statement, "UTC"); + } + + [SkippableTheory] + // From NUMERIC + [InlineData("BIGINT", "2345", "2345", ArrowTypeId.String, "TO_VARCHAR")] + [InlineData("INTEGER", "2345", "2345", ArrowTypeId.String, "TO_VARCHAR")] + [InlineData("NUMERIC(1,0)", "-9", "-09.00", ArrowTypeId.String, "TO_VARCHAR", COLUMN_NAME + ", '00.00'")] + [InlineData("NUMERIC(1,0)", "9", "09.00 ", ArrowTypeId.String, "TO_VARCHAR", COLUMN_NAME + ", '00.00MI'")] + [InlineData("NUMERIC(38,2)", "9.50", 9.5, ArrowTypeId.Double, "TO_DOUBLE")] + [InlineData("NUMERIC(1,0)", "1", true, ArrowTypeId.Boolean, "TO_BOOLEAN")] + [InlineData("NUMERIC(1,0)", "0", false, ArrowTypeId.Boolean, "TO_BOOLEAN")] + // From DOUBLE + [InlineData("DOUBLE", "2345.67", "2345.67", ArrowTypeId.String, "TO_VARCHAR")] + [InlineData("DOUBLE", "2345.67", 2345.67, ArrowTypeId.Double, "TO_DOUBLE")] + [InlineData("DOUBLE", "2345.5", 2346, ArrowTypeId.Decimal128, "TO_NUMERIC")] // Rounded up + [InlineData("DOUBLE", "2345.4", 2345, ArrowTypeId.Decimal128, "TO_NUMERIC")] // Rounded down + [InlineData("DOUBLE", "2345.67", 2345.67, ArrowTypeId.Decimal128, "TO_NUMERIC", COLUMN_NAME + ", 6, 2")] + // From BOOLEAN + [InlineData("BOOLEAN", "'true'", "true", ArrowTypeId.String, "TO_VARCHAR")] + [InlineData("BOOLEAN", "'false'", "false", ArrowTypeId.String, "TO_VARCHAR")] + // From VARCHAR + [InlineData("VARCHAR", "'欢迎'", "欢迎", ArrowTypeId.String, "TO_VARCHAR")] + [InlineData("VARCHAR", "'123'", 123, ArrowTypeId.Decimal128, "TO_NUMERIC")] + [InlineData("VARCHAR", "'123.45'", 123.45, ArrowTypeId.Decimal128, "TO_NUMERIC", COLUMN_NAME + ", 5, 2")] + [InlineData("VARCHAR", "'123.45'", 123, ArrowTypeId.Decimal128, "TO_NUMERIC", COLUMN_NAME + ", 5, 0")] + [InlineData("VARCHAR", "'123.45'", 123.45, ArrowTypeId.Double, "TO_DOUBLE")] + [InlineData("VARCHAR", "'123,456'", 123456, ArrowTypeId.Double, "TO_DOUBLE", COLUMN_NAME + ", '000,000'")] + [InlineData("VARCHAR", "'NaN'", double.NaN, ArrowTypeId.Double, "TO_DOUBLE")] + [InlineData("VARCHAR", "'inf'", double.PositiveInfinity, ArrowTypeId.Double, "TO_DOUBLE")] + [InlineData("VARCHAR", "'-inf'", double.NegativeInfinity, ArrowTypeId.Double, "TO_DOUBLE")] + [InlineData("VARCHAR", "'true'", true, ArrowTypeId.Boolean, "TO_BOOLEAN")] + [InlineData("VARCHAR", "'fALSE'", false, ArrowTypeId.Boolean, "TO_BOOLEAN")] + [InlineData("VARCHAR", "'1970-01-01 00:00:00+0000'", "1970-01-01 00:00:00+0000", ArrowTypeId.Timestamp, "TO_TIMESTAMP_TZ")] + [InlineData("VARCHAR", "'31/12/1970 00:00:00'", "1970-12-31 00:00:00+0000", ArrowTypeId.Timestamp, "TO_TIMESTAMP_TZ", COLUMN_NAME + ", 'dd/mm/yyyy hh24:mi:ss'")] + // From TIMESTAMP/DATE/TIME + [InlineData("TIMESTAMP_TZ", "'1970-01-01 00:00:00+0000'", "1970-01-01 00:00:00+0000", ArrowTypeId.Timestamp, "TO_TIMESTAMP_TZ")] + [InlineData("TIMESTAMP_TZ", "'1970-01-01 12:34:56+0000'", "1970-01-01 00:00:00+0000", ArrowTypeId.Date32, "TO_DATE")] // Date portion, only + [InlineData("TIMESTAMP_TZ", "'2970-01-01 12:00:00+0000'", "2970-01-01 12:00:00.000 Z", ArrowTypeId.String, "TO_VARCHAR")] + [InlineData("TIMESTAMP_TZ", "'2970-01-01 12:00:00+0000'", "Jan 01, 2970", ArrowTypeId.String, "TO_VARCHAR", COLUMN_NAME + ", 'mon dd, yyyy'")] +#if NET6_0_OR_GREATER + [InlineData("TIMESTAMP_TZ", "'2970-01-01 12:00:00+0000'", "1970-01-01 12:00:00+0000", ArrowTypeId.Time64, "TO_TIME")] // Time portion, only +#else + [InlineData("TIMESTAMP_TZ", "'2970-01-01 12:00:00+0000'", 43200000000, ArrowTypeId.Time64, "TO_TIME")] // Microseconds +#endif + public void TestCastPositive(string columnSpecification, string sourceValue, object expectedValue, ArrowTypeId expectedType, string castFunction, string castExpression = null) + { + InitializeTest(columnSpecification, sourceValue, out string columnName, out string table); + SelectWithCastAndValidateValue( + table, + castFunction, + castExpression ?? columnName, + expectedValue, + expectedType); + } + + [SkippableTheory] + [InlineData("NUMERIC", "2345", typeof(AdbcException), "TO_VARCHAR", COLUMN_NAME + ", 123", new[] { "42601", "SQL compilation error" })] // Invalid format type. + [InlineData("NUMERIC", "2345", typeof(AdbcException), "TO_VARCHAR", COLUMN_NAME + ", '123'", new[] { "22007", "Bad output format" })] // Invalid format type. + [InlineData("VARCHAR", "'ABC'", typeof(AdbcException), "TO_NUMERIC", null, new[] { "22018", "Numeric value" })] // Non numeric value + [InlineData("VARCHAR", "'3'", typeof(AdbcException), "TO_BOOLEAN", null, new[] { "22018", "Boolean value" })] // Non boolean value + [InlineData("VARCHAR", "'31/12/1970'", typeof(AdbcException), "TO_TIMESTAMP_TZ", null, new[] { "22007", "Timestamp" })] // Non date value + public void TestCastNegative( + string columnSpecification, + string sourceValue, + Type expectedExceptionType, + string castFunction, + string castExpression = null, + string[] expectedExceptionTextContains = null) + { + InitializeTest(columnSpecification, sourceValue, out string columnName, out string table); + SelectWithCastAndValidateException( + table, + castFunction, + castExpression ?? columnName, + expectedExceptionType, + expectedExceptionTextContains); + } + + [SkippableTheory] + [InlineData("ARRAY", "SELECT ARRAY_CONSTRUCT('TRUE', 'FALSE')", "[\n \"TRUE\",\n \"FALSE\"\n]", ArrowTypeId.String, "TO_ARRAY")] + [InlineData("ARRAY", "SELECT ARRAY_CONSTRUCT('TRUE', 'FALSE')", "[\n \"TRUE\",\n \"FALSE\"\n]", ArrowTypeId.String, "TO_VARIANT")] + [InlineData("BOOLEAN", "SELECT 'TRUE'", "true", ArrowTypeId.String, "TO_VARIANT")] + [InlineData("NUMERIC", "SELECT 42", "42", ArrowTypeId.String, "TO_VARIANT")] + [InlineData("OBJECT", "SELECT OBJECT_CONSTRUCT('fortyTwo', 42::VARIANT)", "{\n \"fortyTwo\": 42\n}", ArrowTypeId.String, "TO_OBJECT")] + [InlineData("OBJECT", "SELECT OBJECT_CONSTRUCT('fortyTwo', 42::VARIANT)", "{\n \"fortyTwo\": 42\n}", ArrowTypeId.String, "TO_VARIANT")] + [InlineData("OBJECT", "SELECT OBJECT_CONSTRUCT('fortyTwo', 42::NUMERIC)", "{\n \"fortyTwo\": 42\n}", ArrowTypeId.String, "TO_VARIANT")] + [InlineData("VARCHAR", "SELECT 42", "\"42\"", ArrowTypeId.String, "TO_VARIANT")] + [InlineData("VARIANT", "SELECT 42::VARIANT", "42", ArrowTypeId.String, "TO_VARIANT")] + [InlineData("VARIANT", "SELECT 'JONES'::VARIANT", "\"JONES\"", ArrowTypeId.String, "TO_VARIANT")] + public void TestCastPositiveStructured(string columnSpecification, string sourceValue, object expectedValue, ArrowTypeId expectedType, string castFunction, string castExpression = null) + { + InitializeTest(columnSpecification, sourceValue, out string columnName, out string table, useSelectSyntax: true); + SelectWithCastAndValidateValue( + table, + castFunction, + castExpression ?? columnName, + expectedValue, + expectedType); + } + + [SkippableTheory] + [InlineData("VARCHAR", "'ABC'", ArrowTypeId.Decimal128, "TRY_TO_NUMERIC", null)] // Non numeric value + [InlineData("VARCHAR", "'3'", ArrowTypeId.Boolean, "TRY_TO_BOOLEAN", null)] // Non boolean value + [InlineData("VARCHAR", "'31/12/1970'", ArrowTypeId.Timestamp, "TRY_TO_TIMESTAMP_TZ", null)] // Non date value + public void TestTryCastNegative( + string columnSpecification, + string sourceValue, + ArrowTypeId expectedType, + string castFunction, + string castExpression = null) + { + { + InitializeTest(columnSpecification, sourceValue, out string columnName, out string table); + SelectWithCastAndValidateValue( + table, + castFunction, + castExpression ?? columnName, + null, // Returns null if value cannot be converted. + expectedType); + } + } + + private void InitializeTest(string columnSpecification, string sourceValue, out string columnName, out string table, bool useSelectSyntax = false) + { + columnName = COLUMN_NAME; + table = CreateTemporaryTable( + _statement, + s_testTablePrefix, + _catalogSchema, + string.Format("{0} {1}", columnName, columnSpecification)); + if (useSelectSyntax) + { + InsertIntoFromSelect(table, columnName, sourceValue); + } + else + { + InsertSingleValue(table, columnName, sourceValue); + } + } + + private void InsertSingleValue(string table, string columnName, string value) + { + string insertNumberStatement = string.Format("INSERT INTO {0} ({1}) VALUES ({2});", table, columnName, value); + Console.WriteLine(insertNumberStatement); Review Comment: Opened #1468 to remove Console.WriteLine. -- This is an automated message from the Apache Git Service. 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