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node-red-nodes/storage/sqlite/sqlite.html

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<script type="text/html" data-template-name="sqlitedb">
<div class="form-row">
<label for="node-config-input-db"><i class="fa fa-database"></i> Database</label>
<input type="text" id="node-config-input-db" placeholder="/tmp/sqlite">
</div>
<div class="form-row">
<label for="node-config-input-mode">Mode</label>
<select id="node-config-input-mode" style="width:70%">
<option value="RWC">Read-Write-Create</option>
<option value="RW">Read-Write</option>
<option value="RO">Read-Only</option>
</select>
</div>
<div class="form-tips"><b>Note</b>: Setting the database name to <code>:memory:</code>
will create a non-persistant in memory database.</div>
</script>
<script type="text/javascript">
RED.nodes.registerType('sqlitedb',{
category: 'config',
defaults: {
db: {value:"", required:true},
mode: {value:"RWC"}
},
label: function() {
return this.db;
}
});
</script>
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<script type="text/html" data-template-name="sqlite">
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<div class="form-row">
<label for="node-input-name"><i class="fa fa-tag"></i> Name</label>
<input type="text" id="node-input-name" placeholder="Name">
</div>
<div class="form-row">
<label for="node-input-mydb"><i class="fa fa-database"></i> Database</label>
<input type="text" id="node-input-mydb">
</div>
<div class="form-row">
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<label for=""><i class="fa fa-code"></i> SQL Query</label>
<select id="node-input-sqlquery">
<option value="msg.topic">Via msg.topic</option>
<option value="fixed">Fixed Statement</option>
<option value="prepared">Prepared Statement</option>
<option value="batch">Batch without response</option>
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</select>
</div>
<div class="form-row" style="margin-bottom: 0px;">
<label for="" style="width: unset;" id="node-input-sqllabel"><i class="fa fa-code"></i> SQL Statement</label>
</div>
<div>
<input type="hidden" id="node-input-sql" autofocus="autofocus">
</div>
<div class="form-row node-text-editor-row">
<div style="height: 250px; min-height:150px;" class="node-text-editor" id="node-input-sql-editor" ></div>
</div>
</script>
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<script type="text/html" data-help-name="sqlite">
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<p>Allows access to a Sqlite database.</p>
<p>SQL Query sets how the query is passed to the node.</p>
<p>SQL Query <i>Via msg.topic</i> and <i>Fixed Statement</i> uses the <b>db.all</b> operation against the configured database. This does allow INSERTS, UPDATES and DELETES.
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By its very nature it is SQL injection... so <i>be careful out there...</i></p>
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<p>SQL Type <i>Prepared Statement</i> also uses <b>db.all</b> but sanitizes parameters passed, eliminating the possibility of SQL injection.</p>
<p>SQL Type <i>Batch without response</i> uses <b>db.exec</b> which runs all SQL statements in the provided string. No result rows are returned.</p>
<p>When using <i>Via msg.topic</i> or <i>Batch without response</i> <code>msg.topic</code> must hold the <i>query</i> for the database.</p>
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<p>When using Normal or Prepared the <i>query</i> must be entered in the node config.</p>
<p>Pass in the parameters as an object in <code>msg.params</code> for Prepared. Ex:<br />
<code>msg.params = {<br />
&nbsp;&nbsp;&nbsp;&nbsp;$id:1,<br />
&nbsp;&nbsp;&nbsp;&nbsp;$name:"John Doe"<br />
}</code><br />
Parameter object names must match parameters set up in the Prepared Statement. If you get the error <code>SQLITE_RANGE: bind or column index out of range</code>
be sure to include $ on the parameter object key.</p>
<p>Using any SQL Query, the result is returned in <code>msg.payload</code></p>
<p>Typically the returned payload will be an array of the result rows, (or an error).</p>
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<p>You can load sqlite extensions by inputting a <code>msg.extension</code> property containing the full
path and filename.</p>
<p>The reconnect timeout in milliseconds can be changed by adding a line to <b>settings.js</b>
<pre>sqliteReconnectTime: 20000,</pre></p>
</script>
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<script type="text/html" data-help-name="sqlitedb">
<p>The default directory for the database file is the user's home directory through which the NR process was started. You can specify absolute path to change it.</p>
</script>
<script type="text/javascript">
RED.nodes.registerType('sqlite',{
category: 'storage-input',
color:"#e97b00",
defaults: {
mydb: {type:"sqlitedb",required:true},
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sqlquery: {value:"msg.topic",required:true},
sql: {value:""},
name: {value:""}
},
inputs:1,
outputs:1,
icon: "sqlite.png",
label: function() {
var dbNode = RED.nodes.node(this.mydb);
return this.name||(dbNode?dbNode.label():"sqlite");
},
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labelStyle: function() {
return this.name?"node_label_italic":"";
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},
oneditprepare: function() {
var ace = this;
this.editor = RED.editor.createEditor({
id: 'node-input-sql-editor',
mode: 'ace/mode/sql',
value: $("#node-input-sql").val(),
globals: {
msg:true,
context:true,
RED: true,
util: true,
flow: true,
global: true,
console: true,
Buffer: true,
setTimeout: true,
clearTimeout: true,
setInterval: true,
clearInterval: true
}
});
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$("#node-input-sqlquery").change(function() {
if ($("#node-input-sqlquery").val() == "msg.topic" || $("#node-input-sqlquery").val() == "batch"){
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$("#node-input-sqllabel").hide();
$("#node-input-sql-editor").hide();
}
else{
$("#node-input-sqllabel").show();
$("#node-input-sql-editor").show();
ace.editor.renderer.updateFull();
}
});
$("#node-input-sqlquery").change();
},
oneditsave: function() {
$("#node-input-sql").val(this.editor.getValue());
this.editor.destroy();
delete this.editor;
},
oneditresize: function(size) {
var rows = $("#dialog-form>div:not(.node-text-editor-row)");
var height = $("#dialog-form").height();
for (var i=0; i<rows.size(); i++) {
height -= $(rows[i]).outerHeight(true);
}
var editorRow = $("#dialog-form>div.node-text-editor-row");
height -= (parseInt(editorRow.css("marginTop"))+parseInt(editorRow.css("marginBottom")));
$(".node-text-editor").css("height",height+"px");
this.editor.resize();
}
});
</script>