public void WriteStartFrom_WhenSelectStatement_WritesWhere() { StringBuilder builder = new StringBuilder(); using (SqlWriter writer = new SqlWriter(builder)) { writer.WriteStartSelect(); writer.WriteColumn("Id"); writer.WriteColumn("Name", "n"); writer.WriteColumn("Users", "Email", "e"); writer.WriteStartFrom(); writer.WriteTable("Users"); writer.WriteStartWhere(); Assert.AreEqual(SqlWriterState.StartWhere, writer.WriteState); writer.WriteColumn("Id"); writer.WriteOperator(SqlBinaryOperator.Equal); writer.WriteParameter("Id"); writer.WriteOperator(SqlBinaryOperator.Or); writer.WriteColumn("Id"); writer.WriteOperator(SqlBinaryOperator.LessThan); writer.WriteValue(100); } Assert.AreEqual("SELECT [Id], [Name] AS [n], [Users].[Email] AS [e] FROM [Users] WHERE ([Id] = @Id) OR ([Id] < 100)", builder.ToString()); }
public void WriteUnion_WhenSelectWithWhere_WritesUnionStatement() { StringBuilder builder = new StringBuilder(); using (SqlWriter writer = new SqlWriter(builder)) { writer.WriteStartSelect(); writer.WriteColumn("u", "Id", null); writer.WriteColumn("u", "Name", null); writer.WriteStartFrom(); writer.WriteTable("Users", "u"); writer.WriteStartWhere(); writer.WriteColumn("u", "Age", null); writer.WriteOperator(SqlBinaryOperator.LessThanOrEqual); writer.WriteValue(18); writer.WriteEndSelect(); Assert.AreEqual(SqlWriterState.EndSelect, writer.WriteState); writer.WriteUnion(); Assert.AreEqual(SqlWriterState.Union, writer.WriteState); writer.WriteStartSelect(); writer.WriteColumn("p", "Id", null); writer.WriteColumn("p", "Name", null); writer.WriteStartFrom(); writer.WriteTable("Profiles", "p"); writer.WriteStartWhere(); writer.WriteColumn("p", "Age", null); writer.WriteOperator(SqlBinaryOperator.GreaterThanOrEqual); writer.WriteValue(30); writer.WriteEndSelect(); } Assert.AreEqual("SELECT [u].[Id], [u].[Name] FROM [Users] [u] WHERE ([u].[Age] <= 18) UNION SELECT [p].[Id], [p].[Name] FROM [Profiles] [p] WHERE ([p].[Age] >= 30)", builder.ToString()); }
public void WriteUnion_WhenSelectWithOrderBy_WritesUnionStatement() { StringBuilder builder = new StringBuilder(); using (SqlWriter writer = new SqlWriter(builder)) { writer.WriteStartSelect(); writer.WriteColumn("u", "Id", null); writer.WriteColumn("u", "Name", null); writer.WriteColumn("p", "Age", null); writer.WriteStartFrom(); writer.WriteTable("Users", "u"); writer.WriteStartJoin(SqlJoinType.Inner); writer.WriteTable("Profiles", "p"); writer.WriteStartOn(); writer.WriteColumn("u", "Id", null); writer.WriteOperator(SqlBinaryOperator.Equal); writer.WriteColumn("p", "UserId", null); writer.WriteStartWhere(); writer.WriteColumn("p", "Age", null); writer.WriteOperator(SqlBinaryOperator.LessThanOrEqual); writer.WriteValue(18); writer.WriteStartOrderBy(); writer.WriteColumn("p", "Age", null); writer.WriteSortOrder(SqlSortOrder.Descending); writer.WriteColumn("u", "Name", null); writer.WriteSortOrder(SqlSortOrder.Ascending); writer.WriteEndSelect(); Assert.AreEqual(SqlWriterState.EndSelect, writer.WriteState); writer.WriteUnion(); Assert.AreEqual(SqlWriterState.Union, writer.WriteState); writer.WriteStartSelect(); writer.WriteColumn("u", "Id", null); writer.WriteColumn("u", "Name", null); writer.WriteColumn("p", "Age", null); writer.WriteStartFrom(); writer.WriteTable("Users", "u"); writer.WriteStartJoin(SqlJoinType.Inner); writer.WriteTable("Profiles", "p"); writer.WriteStartOn(); writer.WriteColumn("u", "Id", null); writer.WriteOperator(SqlBinaryOperator.Equal); writer.WriteColumn("p", "UserId", null); writer.WriteStartWhere(); writer.WriteColumn("p", "Age", null); writer.WriteOperator(SqlBinaryOperator.GreaterThanOrEqual); writer.WriteValue(30); writer.WriteStartOrderBy(); writer.WriteColumn("p", "Age", null); writer.WriteSortOrder(SqlSortOrder.Descending); writer.WriteColumn("u", "Name", null); writer.WriteSortOrder(SqlSortOrder.Ascending); writer.WriteEndSelect(); } Assert.AreEqual("SELECT [u].[Id], [u].[Name], [p].[Age] FROM [Users] [u] INNER JOIN [Profiles] [p] ON ([u].[Id] = [p].[UserId]) WHERE ([p].[Age] <= 18) ORDER BY [p].[Age] DESC, [u].[Name] ASC UNION SELECT [u].[Id], [u].[Name], [p].[Age] FROM [Users] [u] INNER JOIN [Profiles] [p] ON ([u].[Id] = [p].[UserId]) WHERE ([p].[Age] >= 30) ORDER BY [p].[Age] DESC, [u].[Name] ASC", builder.ToString()); }
public override void WriteTo(SqlWriter writer) { WriteCommentsTo(writer); writer.WriteScript(valueExpression, WhitespacePadding.None); base.WriteTo(writer); writer.WriteOperator(" BETWEEN "); writer.WriteScript(lowerBound, WhitespacePadding.None); writer.WriteOperator(" AND "); writer.WriteScript(upperBound, WhitespacePadding.None); }
public void WriteUnion_WhenSelectWithJoin_WritesUnionStatement() { StringBuilder builder = new StringBuilder(); using (SqlWriter writer = new SqlWriter(builder)) { writer.WriteStartSelect(); writer.WriteColumn("u", "Id", null); writer.WriteColumn("u", "Name", null); writer.WriteColumn("p", "Age", null); writer.WriteStartFrom(); writer.WriteTable("Users", "u"); writer.WriteStartJoin(SqlJoinType.Inner); writer.WriteTable("Profiles", "p"); writer.WriteStartOn(); writer.WriteColumn("u", "Id", null); writer.WriteOperator(SqlBinaryOperator.Equal); writer.WriteColumn("p", "UserId", null); //writer.WriteStartWhere(); //writer.WriteColumn("u", "Age", null); //writer.WriteOperator(SqlBinaryOperator.LessThanOrEqual); //writer.WriteValue(18); writer.WriteEndSelect(); Assert.AreEqual(SqlWriterState.EndSelect, writer.WriteState); writer.WriteUnion(); Assert.AreEqual(SqlWriterState.Union, writer.WriteState); writer.WriteStartSelect(); writer.WriteColumn("u", "Id", null); writer.WriteColumn("u", "Name", null); writer.WriteColumn("p", "Age", null); writer.WriteStartFrom(); writer.WriteTable("Users", "u"); writer.WriteStartJoin(SqlJoinType.Inner); writer.WriteTable("Profiles", "p"); writer.WriteStartOn(); writer.WriteColumn("u", "Id", null); writer.WriteOperator(SqlBinaryOperator.Equal); writer.WriteColumn("p", "UserId", null); writer.WriteStartWhere(); writer.WriteColumn("p", "Age", null); writer.WriteOperator(SqlBinaryOperator.GreaterThanOrEqual); writer.WriteValue(30); writer.WriteEndSelect(); } Assert.AreEqual("SELECT [u].[Id], [u].[Name], [p].[Age] FROM [Users] [u] INNER JOIN [Profiles] [p] ON ([u].[Id] = [p].[UserId]) UNION SELECT [u].[Id], [u].[Name], [p].[Age] FROM [Users] [u] INNER JOIN [Profiles] [p] ON ([u].[Id] = [p].[UserId]) WHERE ([p].[Age] >= 30)", builder.ToString()); }
public void WriteOperator_WithInvalidOperator_ThrowsInvalidEnumArgument() { Assert.Throws <InvalidEnumArgumentException>(() => { var builder = new StringBuilder(); using (var writer = new SqlWriter(builder)) { writer.WriteOperator((SqlBinaryOperator)int.MaxValue); } }); }
public void WriteOperator_WritesOperator() { var operators = new[] { SqlBinaryOperator.And, SqlBinaryOperator.Equal, SqlBinaryOperator.GreaterThan, SqlBinaryOperator.GreaterThanOrEqual, SqlBinaryOperator.LessThan, SqlBinaryOperator.LessThanOrEqual, SqlBinaryOperator.Like, SqlBinaryOperator.NotEqual, SqlBinaryOperator.Or, SqlBinaryOperator.In }; var expected = new[] { "AND", "=", ">", ">=", "<", "<=", "LIKE", "<>", "OR", "IN" }; for (int index = 0; index < operators.Length; index++) { var builder = new StringBuilder(); using (var writer = new SqlWriter(builder)) { writer.WriteOperator(operators[index]); } Assert.Equal(expected[index], builder.ToString()); } }
public void WriteStartJoin_WritesRightJoin() { StringBuilder builder = new StringBuilder(); using (SqlWriter writer = new SqlWriter(builder)) { writer.WriteStartSelect(); writer.WriteColumn("Id"); writer.WriteColumn("Name", "n"); writer.WriteColumn("Users", "Email", "e"); writer.WriteStartFrom(); writer.WriteTable("Users"); writer.WriteStartJoin(SqlJoinType.Right); writer.WriteTable("Profiles"); writer.WriteStartOn(); writer.WriteColumn("Users", "Id", null); writer.WriteOperator(SqlBinaryOperator.Equal); writer.WriteColumn("Profiles", "UserId", null); } Assert.AreEqual("SELECT [Id], [Name] AS [n], [Users].[Email] AS [e] FROM [Users] RIGHT JOIN [Profiles] ON ([Users].[Id] = [Profiles].[UserId])", builder.ToString()); }
public void WriteStartOn_WritesOnClause() { StringBuilder builder = new StringBuilder(); using (SqlWriter writer = new SqlWriter(builder)) { writer.WriteStartSelect(); writer.WriteColumn("Id"); writer.WriteColumn("Name", "n"); writer.WriteColumn("Users", "Email", "e"); writer.WriteStartFrom(); writer.WriteTable("Users"); writer.WriteStartJoin(); writer.WriteTable("Profiles"); writer.WriteStartOn(); writer.WriteColumn("Users", "Id", null); writer.WriteOperator(SqlBinaryOperator.Equal); writer.WriteColumn("Profiles", "UserId", null); writer.WriteOperator(SqlBinaryOperator.And); writer.WriteColumn("Users", "Name", null); writer.WriteOperator(SqlBinaryOperator.Equal); writer.WriteParameter("Name"); writer.WriteStartWhere(); Assert.AreEqual(SqlWriterState.StartWhere, writer.WriteState); writer.WriteColumn("Id"); writer.WriteOperator(SqlBinaryOperator.Equal); writer.WriteParameter("Id"); writer.WriteOperator(SqlBinaryOperator.Or); writer.WriteColumn("Id"); writer.WriteOperator(SqlBinaryOperator.LessThan); writer.WriteValue(100); writer.WriteStartOrderBy(); writer.WriteColumn("Id"); writer.WriteSortOrder(SqlSortOrder.Ascending); writer.WriteColumn("Name"); writer.WriteSortOrder(SqlSortOrder.Descending); } Assert.AreEqual("SELECT [Id], [Name] AS [n], [Users].[Email] AS [e] FROM [Users] JOIN [Profiles] ON ([Users].[Id] = [Profiles].[UserId]) AND ([Users].[Name] = @Name) WHERE ([Id] = @Id) OR ([Id] < 100) ORDER BY [Id] ASC, [Name] DESC", builder.ToString()); }
public override void WriteTo(SqlWriter writer) { writer.WriteOperator(operation); }
public override void Visit(SqlBinaryOperator @operator) { _writer.WriteOperator(@operator); }
public void WriteOperator_WithInvalidOperator_ThrowsInvalidEnumArgument() { Assert.Throws<InvalidEnumArgumentException>(() => { var builder = new StringBuilder(); using (var writer = new SqlWriter(builder)) { writer.WriteOperator((SqlBinaryOperator)int.MaxValue); } }); }