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Merge pull request #463 from mk3008/462-create-a-query-source-demo
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I created a demo page for QuerySource.
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@mk3008
mk3008 authored Jul 4, 2024
2 parents 7c741ef + f0be426 commit 60e168a
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148 changes: 148 additions & 0 deletions demo/CarbunqlWeb/Pages/QuerySource/EnsureAny.razor
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@page "/query_source/ensure_any"

@using Carbunql.Analysis;
@using Carbunql.Building;
@using Carbunql;

<PageTitle>QuerySource EnsureAny</PageTitle>

<div class="container-fluid">
@* <div class="row" Style="margin: 0px 0px 16px 0px;">
<RadzenMenu class="rz-shadow-3">
<RadzenMenuItem Text="Clear SQL" Icon="clear" Click=@OnClear>
</RadzenMenuItem>
</RadzenMenu>
</div>*@
<div class="row">
<div class="col-md-12 p-3">
<RadzenText TextStyle="TextStyle.H4">EnsureAny</RadzenText>

<RadzenText>Checks if the filter was successful. If there are zero results, an error occurs.</RadzenText>

<RadzenCard>
<RadzenText TextStyle="TextStyle.Subtitle2">Source code</RadzenText>
<RadzenTextArea @bind-Value=@sourcecode TValue="string" Style="width: 100%; min-height: 250px; font-family: 'Ricty Diminished', SFMono-Regular, Consolas, 'Courier New', 'BIZ UDGothic', Meiryo, monospace; font-size: 18px; white-space: pre;" ReadOnly="true" />
</RadzenCard>
</div>
</div>
<div class="row">
<div class="col-md-12 p-3">
<RadzenText TextStyle="TextStyle.H5">Demo</RadzenText>
</div>

<div class="col-md-6 p-3">
<RadzenCard>
<RadzenText TextStyle="TextStyle.Subtitle2">Column name</RadzenText>
<RadzenTextBox Change=@OnChange @bind-Value=@columnName />

<RadzenText TextStyle="TextStyle.Subtitle2">Parameter symbol</RadzenText>
<RadzenTextBox Change=@OnChange @bind-Value=@symbol />

<RadzenText TextStyle="TextStyle.Subtitle2">Value</RadzenText>
<RadzenTextBox Change=@OnChange @bind-Value=@val />
</RadzenCard>
</div>
</div>
<div class="row">
<div class="col-md-6 p-3">
<RadzenCard>
<RadzenText TextStyle="TextStyle.Subtitle2">Input</RadzenText>
<RadzenTextArea @bind-Value=@sql TValue="string" Change=@OnChange Style="width: 100%; min-height: 600px; font-family: 'Ricty Diminished', SFMono-Regular, Consolas, 'Courier New', 'BIZ UDGothic', Meiryo, monospace; font-size: 18px; white-space: pre;" Placeholder="Enter select query(ex. select id, value from table)" />
</RadzenCard>
</div>
<div class="col-md-6 p-3">
<RadzenCard>
<RadzenText TextStyle="TextStyle.Subtitle2">Result</RadzenText>
<RadzenTextArea @bind-Value=@fsql TValue="string" Change=@OnChange Style="width: 100%; min-height: 600px; font-family: 'Ricty Diminished', SFMono-Regular, Consolas, 'Courier New', 'BIZ UDGothic', Meiryo, monospace; font-size: 18px; white-space: pre;" ReadOnly="true" />
</RadzenCard>
</div>
</div>
</div>

@code {

string columnName = "e___mployee_id";
string symbol = ":";
string val = "1";
string fsql = string.Empty;

string sourcecode = @"using Carbunql;
using Carbunql.Building;
var q = new SelectQuery(sql);
q.GetQuerySources()
.Where(x => x.ColumnNames.Contains(columnName))
.GetRootsByBranch()
.GetRootsByQuery()
.EnsureAny()
.ForEach(x =>
{
x.Query.Where(x.Alias, columnName).Equal(x.Query.AddParameter(symbol + columnName, val));
});
Console.WriteLine(q.ToText());";

protected override void OnInitialized()
{
OnChange(sql);
}

void OnClear()
{
sql = string.Empty;
OnChange(sql);
}

void OnChange(string value)
{
if (string.IsNullOrEmpty(value))
{
fsql = string.Empty;
return;
}
try
{
var q = new SelectQuery(sql);
var sources = q.GetQuerySources().ToList();

q.GetQuerySources()
.Where(x => x.ColumnNames.Contains(columnName))
.GetRootsByBranch()
.GetRootsByQuery()
.EnsureAny()
.ForEach(x =>
{
x.AddSourceComment("inject filter");
x.Query.Where(x.Alias, columnName).Equal(x.Query.AddParameter(symbol + columnName, val));
});

fsql = q.ToText();
}
catch (Exception ex)
{
fsql = ex.ToString();
}
}

string sql = @"WITH project_counts AS (
SELECT
employee_id,
COUNT(project_id) AS project_count
FROM
projects
GROUP BY
employee_id
)
SELECT
e.employee_id,
e.employee_name,
COALESCE(pc.project_count, 0) AS project_count
FROM
employees e
LEFT JOIN
project_counts pc
ON
e.employee_id = pc.employee_id
ORDER BY
e.employee_id;
";
}
146 changes: 146 additions & 0 deletions demo/CarbunqlWeb/Pages/QuerySource/FilterColumn.razor
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@page "/query_source/filter_column"

@using Carbunql.Analysis;
@using Carbunql.Building;
@using Carbunql;

<PageTitle>QuerySource Filter(column)</PageTitle>

<div class="container-fluid">
@* <div class="row" Style="margin: 0px 0px 16px 0px;">
<RadzenMenu class="rz-shadow-3">
<RadzenMenuItem Text="Clear SQL" Icon="clear" Click=@OnClear>
</RadzenMenuItem>
</RadzenMenu>
</div>*@
<div class="row">
<div class="col-md-12 p-3">
<RadzenText TextStyle="TextStyle.H4">Filter(column)</RadzenText>

<RadzenText>Find the query source and add criteria</RadzenText>

<RadzenCard>
<RadzenText TextStyle="TextStyle.Subtitle2">Source code</RadzenText>
<RadzenTextArea @bind-Value=@sourcecode TValue="string" Style="width: 100%; min-height: 250px; font-family: 'Ricty Diminished', SFMono-Regular, Consolas, 'Courier New', 'BIZ UDGothic', Meiryo, monospace; font-size: 18px; white-space: pre;" ReadOnly="true" />
</RadzenCard>
</div>
</div>
<div class="row">
<div class="col-md-12 p-3">
<RadzenText TextStyle="TextStyle.H5">Demo</RadzenText>
</div>

<div class="col-md-6 p-3">
<RadzenCard>
<RadzenText TextStyle="TextStyle.Subtitle2">Column name</RadzenText>
<RadzenTextBox Change=@OnChange @bind-Value=@columnName />

<RadzenText TextStyle="TextStyle.Subtitle2">Parameter symbol</RadzenText>
<RadzenTextBox Change=@OnChange @bind-Value=@symbol />

<RadzenText TextStyle="TextStyle.Subtitle2">Value</RadzenText>
<RadzenTextBox Change=@OnChange @bind-Value=@val />
</RadzenCard>
</div>
</div>
<div class="row">
<div class="col-md-6 p-3">
<RadzenCard>
<RadzenText TextStyle="TextStyle.Subtitle2">Input</RadzenText>
<RadzenTextArea @bind-Value=@sql TValue="string" Change=@OnChange Style="width: 100%; min-height: 600px; font-family: 'Ricty Diminished', SFMono-Regular, Consolas, 'Courier New', 'BIZ UDGothic', Meiryo, monospace; font-size: 18px; white-space: pre;" Placeholder="Enter select query(ex. select id, value from table)" />
</RadzenCard>
</div>
<div class="col-md-6 p-3">
<RadzenCard>
<RadzenText TextStyle="TextStyle.Subtitle2">Result</RadzenText>
<RadzenTextArea @bind-Value=@fsql TValue="string" Change=@OnChange Style="width: 100%; min-height: 600px; font-family: 'Ricty Diminished', SFMono-Regular, Consolas, 'Courier New', 'BIZ UDGothic', Meiryo, monospace; font-size: 18px; white-space: pre;" ReadOnly="true" />
</RadzenCard>
</div>
</div>
</div>

@code {

string columnName = "employee_id";
string symbol = ":";
string val = "1";
string fsql = string.Empty;

string sourcecode = @"using Carbunql;
using Carbunql.Building;
var q = new SelectQuery(sql);
q.GetQuerySources()
.Where(x => x.ColumnNames.Contains(columnName))
.GetRootsByBranch()
.GetRootsByQuery()
.ForEach(x =>
{
x.Query.Where(x.Alias, columnName).Equal(x.Query.AddParameter(symbol + columnName, val));
});
Console.WriteLine(q.ToText());";

protected override void OnInitialized()
{
OnChange(sql);
}

void OnClear()
{
sql = string.Empty;
OnChange(sql);
}

void OnChange(string value)
{
if (string.IsNullOrEmpty(value))
{
fsql = string.Empty;
return;
}
try
{
var q = new SelectQuery(sql);
var sources = q.GetQuerySources().ToList();

q.GetQuerySources()
.Where(x => x.ColumnNames.Contains(columnName))
.GetRootsByBranch()
.GetRootsByQuery()
.ForEach(x =>
{
x.AddSourceComment("inject filter");
x.Query.Where(x.Alias, columnName).Equal(x.Query.AddParameter(symbol + columnName, val));
});

fsql = q.ToText();
}
catch (Exception ex)
{
fsql = ex.ToString();
}
}

string sql = @"WITH project_counts AS (
SELECT
employee_id,
COUNT(project_id) AS project_count
FROM
projects
GROUP BY
employee_id
)
SELECT
e.employee_id,
e.employee_name,
COALESCE(pc.project_count, 0) AS project_count
FROM
employees e
LEFT JOIN
project_counts pc
ON
e.employee_id = pc.employee_id
ORDER BY
e.employee_id;
";
}
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