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This page is for data modellers who want to export data via HTTP.

Overview

An HTTP exporter outputs table data via a HTTP Datasource to an external web site or service, via HTTP.

To add a new HTTP exporter to an analysis model:

Go to the model's toolbar → Create group.
Click
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to expand the menu.
Drag a
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onto the analysis model.

To add an existing HTTP exporter to an analysis model, in the model diagram toolbar:

Go to the model toolbar → List group.
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to expand the menu.
Click
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to open the list of available exporters.
Drag an HTTP exporter into the analysis model.

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Basic Settings

Field

Description

Name

Name of the HTTP Exporter.

Enabled

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when the configuration is complete and the HTTP exporter is ready to be used.

Send Message

Define details of the data that will be sent to the HTTP Datasource.

Field

Description

HTTP Request Method

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URL Expression

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Statement Expression

An expression to generate the data that will be sent by the exporter to the datasource.

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Code Block

&lt?xml version ="1.0"?&gt &lt!DOCTYPE CORPORATE DASHBOARD 
"corpDash.dtd"&gt &ltresults user="%USERNAME%" 
password="%PASSWORD%"&gt &ltmonthlyTotals region={'"' + Region +
 '"'} division={'"' + Division + '"'}&gt 
&lttotalBilled&gt{'"' + TotalBilled + 
'"'}&lt\totalBilled&gt &lttotalCollected&gt{'"' + 
TotalCollected + '"'}&lt\totalCollected&gt 
&ltmonthlyTotals&gt &lt\results&gt

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HTTP Headers

This section has a toolbar with standard buttons. The grid contains a list of the HTTP headers defined for this exporter. To add a HTTP header to the list, click

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. PhixFlow opens a new HTTP Header properties. To remove a HTTP header, use the

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in the toolbar.

Response

Define how the responses from the HTTP Datasource will be handled if the the connection is either successful or fails.

Field

Description

Connected successfully

Record Export Time

Optionally, in the drop-down list, select an attribute from the input table.

When the exporter writes a record to the target HTTP location, the selected attribute in the input record is updated with the export time.

If a record in the input table is not exported, the selected attribute is left blank.

If a record is exported but the export is rolled back, the attribute will be updated by the export, then rolled back to a blank record.

Warning
If a record fails to export, the attribute is updated and remains updated even if the export transaction in the target HTTP datasource is rolled back.

Record Export Status

Optionally, in the drop-down list, select an attribute from the input table.

When the exporter writes a record to the target HTTP location, the selected attribute in the input record is updated with the value from the Status expression.

Record Response

Optionally, in the drop-down list, select an attribute from the input table.

When the exporter writes a record to the target HTTP location, the selected attribute in the input record is updated with any export messages from:

either Value to record on success
or Value to record on failure

Status

Enter an expression to report a status. For example:

Code Block
if(_success, _response, listToString($errors._MSGTEXT))

This value is used by Record Export Status to update an attribute in the input table.

Value to record on success

Enter an expression to report a response when the HTTP connection succeeds. For example:

Code Block
countElements($errors = xmlToItems(_response,"//ERROR")) == 0

This value is used by Record Response to update an attribute in the input table.

Connection failed

Value to record on failure

Enter an expression to report a message when the HTTP connection fails. For example:

Code Block
_error

This value is used by Record Response to update an attribute in the input table.

Inputs

This section has a list of the HTTP Headers defined for this exporter.

Multipliers

Field

Description

Input Multiplier

Enter an expression that multiplies the data. This works in the same way as the Input Multiplier Expressions on tables and File Exporters. A complete export is carried out for each value in the list of values returned by this expression. If the expression evaluates to an empty list, then no export will be carried out. If no expression is set, a single export will be carried out.

See Expressions and PhixScripts.

Advanced

Field	Description
Datasource	The HTTP Datasource that this exporter will send data to.
Datasource Instance Expression	The target datasource for this exporter may list multiple HTTP Datasource instances. Each datasource instance is identified by a unique string. This expression should evaluate to a string which allows the HTTP Exporter to determine the instance to use. If no value is entered then the exporter will assume that there is only one instance and will use that one by default. If there is more than one instance and no expression is provided here then an error will be thrown during analysis.
Timeout (secs)	Tells the exporter to timeout each export operation after a number of seconds. If an export operation does time out, the operation will be abandoned and an error will be reported. Each record that is timed out is considered to be a single error when assessing whether the entire export should be stopped and/or rolled back - see Errors Before Rollback below. If no value is specified, the duration of an export operation is unlimited.
Parallel Exporters	If required, you can specify that the exporter should use a number of parallel exporters. Each buffer of records read from the input pipe will be divided across the parallel exporters. The restriction applied to this is that if Group By fields are specified in the input Pipe to the exporter, all records with the same Group By key will be exported by the same exporter. If no value is specified here then only a single exporter will be used.
Errors Before Rollback	If required, you can set the maximum number of errors found, while exporting across all exporters, before the exporter will rollback all uncommitted transactions from all exporters. If no value is specified, the exporter will never rollback, no matter how many errors are found. If 1 is specified, a single error will cause a rollback. Up to this number of errors, any errors reported from the exporter will appear as warnings in the log entries. The export will not be considered failed unless the number of errors is above this threshold.
Errors Before Stopping	If required, you can set the maximum number of errors found, while exporting across all exporters, before the exporter will stop attempting to export records to the datasource. This is useful where you have set Errors Before Rollback (also configured on this tab), but wish to continue to try to export records to get view of how successful the remaining export would have been. Any records that the exporter attempts to export after the Errors Before Rollback limit has been passed will always be rolled back, even if they are successful. If no value is entered, the exporter will stop when the Errors Before Rollback limit is reached.
Icon	Enter the path for an image file that has been uploaded to the PhixFlow database. PhixFlow displays this icon in controls when the HTTP exporter is used.
Log Traffic	When system logging → Log Database Exporter Statements is ticked,

PhixFlow

PhixFlow always logs details of connections

made by

made by database exporters, whatever is set here; see System Logging Configuration.

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Commit Size

If you set Response options, the HTTP exporter is writing data into a PhixFlow table. Specify the number of records in a batch that the HTTP exporter writes to the database before committing changes.

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Learn More

For links to all pages in this topic, see Analysis Models for Batch Processing Data.

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