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 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 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 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 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());
}
