Comma Separated Values (CSV)

target-csv (meltanolabs variant)🥇

CSV loader

The target-csv loader sends data into Comma Separated Values (CSV) after it was pulled from a source using an extractor

Alternate Implementations

Getting Started

Prerequisites

If you haven't already, follow the initial steps of the Getting Started guide:

  1. Install Meltano
  2. Create your Meltano project

Installation and configuration

  1. Add the target-csv loader to your project using 
    meltano add
     : 
    2. meltano add loader target-csv
  2. Configure the target-csv settings using 
    meltano config
     : 
    3. meltano config target-csv set --interactive

Next steps

If you run into any issues, learn how to get help.

Capabilities

The current capabilities for target-csv may have been automatically set when originally added to the Hub. Please review the capabilities when using this loader. If you find they are out of date, please consider updating them by making a pull request to the YAML file that defines the capabilities for this loader.

This plugin has the following capabilities:

  • about
  • schema-flattening
  • stream-maps

You can override these capabilities or specify additional ones in your meltano.yml by adding the capabilities key.

Settings

The target-csv settings that are known to Meltano are documented below. To quickly find the setting you're looking for, click on any setting name from the list:

You can also list these settings using 

meltano config
with the list subcommand: 

meltano config target-csv list

You can override these settings or specify additional ones in your meltano.yml by adding the settings key.

Please consider adding any settings you have defined locally to this definition on MeltanoHub by making a pull request to the YAML file that defines the settings for this plugin.

Batch Size Rows (batch_size_rows)

  • Environment variable: TARGET_CSV_BATCH_SIZE_ROWS

Maximum number of rows in each batch.


Configure this setting directly using the following Meltano command:

meltano config target-csv set batch_size_rows [value]

Datestamp Format (datestamp_format)

  • Environment variable: TARGET_CSV_DATESTAMP_FORMAT
  • Default Value: %Y-%m-%d

A python format string to use when outputting the {datestamp} string. For reference, see: https://docs.python.org/3/library/datetime.html#strftime-and-strptime-format-codes


Configure this setting directly using the following Meltano command:

meltano config target-csv set datestamp_format [value]

Destination Path (destination_path)

  • Environment variable: TARGET_CSV_DESTINATION_PATH

Filesystem path where to store output files. Alias for output_path to be compatible with the hotgluexyz variant.


Configure this setting directly using the following Meltano command:

meltano config target-csv set destination_path [value]

Escape Character (escape_character)

  • Environment variable: TARGET_CSV_ESCAPE_CHARACTER

The character to use for escaping special characters.


Configure this setting directly using the following Meltano command:

meltano config target-csv set escape_character [value]

File Naming Scheme (file_naming_scheme)

  • Environment variable: TARGET_CSV_FILE_NAMING_SCHEME
  • Default Value: {stream_name}.csv

The scheme with which output files will be named. Naming scheme may leverage any of the following substitutions:

  • {stream_name}- {datestamp}- {timestamp}

Configure this setting directly using the following Meltano command:

meltano config target-csv set file_naming_scheme [value]

Output Path (output_path)

  • Environment variable: TARGET_CSV_OUTPUT_PATH

Filesystem path where to store output files. By default, the current working directory will be used.


Configure this setting directly using the following Meltano command:

meltano config target-csv set output_path [value]

Output Path Prefix (output_path_prefix)

  • Environment variable: TARGET_CSV_OUTPUT_PATH_PREFIX

DEPRECATED. Filesystem path where to store output files.


Configure this setting directly using the following Meltano command:

meltano config target-csv set output_path_prefix [value]

Overwrite Behavior (overwrite_behavior)

  • Environment variable: TARGET_CSV_OVERWRITE_BEHAVIOR
  • Default Value: replace_file

Determines the overwrite behavior if destination file already exists. Must be one of the following string values:

  • append_records (default) - append records at the insertion point
  • replace_file - replace entire file using default_CSV_template

Configure this setting directly using the following Meltano command:

meltano config target-csv set overwrite_behavior [value]

Record Sort Property Name (record_sort_property_name)

  • Environment variable: TARGET_CSV_RECORD_SORT_PROPERTY_NAME

A property in the record which will be used as a sort key.

If this property is omitted, records will not be sorted.


Configure this setting directly using the following Meltano command:

meltano config target-csv set record_sort_property_name [value]

Timestamp Format (timestamp_format)

  • Environment variable: TARGET_CSV_TIMESTAMP_FORMAT
  • Default Value: %Y-%m-%d.T%H%M%S

A python format string to use when outputting the {timestamp} string. For reference, see: https://docs.python.org/3/library/datetime.html#strftime-and-strptime-format-codes


Configure this setting directly using the following Meltano command:

meltano config target-csv set timestamp_format [value]

Timestamp Timezone (timestamp_timezone)

  • Environment variable: TARGET_CSV_TIMESTAMP_TIMEZONE
  • Default Value: UTC

The timezone code or name to use when generating {timestamp} and {datestamp}. Defaults to 'UTC'. For a list of possible values, please see: https://en.wikipedia.org/wiki/List_of_tz_database_time_zones


Configure this setting directly using the following Meltano command:

meltano config target-csv set timestamp_timezone [value]
Expand To Show SDK Settings

Add Record Metadata (add_record_metadata)

  • Environment variable: TARGET_CSV_ADD_RECORD_METADATA

Whether to add metadata fields to records.


Configure this setting directly using the following Meltano command:

meltano config target-csv set add_record_metadata [value]

Faker Locale (faker_config.locale)

  • Environment variable: TARGET_CSV_FAKER_CONFIG_LOCALE

One or more LCID locale strings to produce localized output for: https://faker.readthedocs.io/en/master/#localization


Configure this setting directly using the following Meltano command:

meltano config target-csv set faker_config locale [value]

Faker Seed (faker_config.seed)

  • Environment variable: TARGET_CSV_FAKER_CONFIG_SEED

Value to seed the Faker generator for deterministic output: https://faker.readthedocs.io/en/master/#seeding-the-generator


Configure this setting directly using the following Meltano command:

meltano config target-csv set faker_config seed [value]

Enable Schema Flattening (flattening_enabled)

  • Environment variable: TARGET_CSV_FLATTENING_ENABLED

'True' to enable schema flattening and automatically expand nested properties.


Configure this setting directly using the following Meltano command:

meltano config target-csv set flattening_enabled [value]

Max Flattening Depth (flattening_max_depth)

  • Environment variable: TARGET_CSV_FLATTENING_MAX_DEPTH

The max depth to flatten schemas.


Configure this setting directly using the following Meltano command:

meltano config target-csv set flattening_max_depth [value]

Load Method (load_method)

  • Environment variable: TARGET_CSV_LOAD_METHOD
  • Default Value: append-only

The method to use when loading data into the destination. append-only will always write all input records whether that records already exists or not. upsert will update existing records and insert new records. overwrite will delete all existing records and insert all input records.


Configure this setting directly using the following Meltano command:

meltano config target-csv set load_method [value]

User Stream Map Configuration (stream_map_config)

  • Environment variable: TARGET_CSV_STREAM_MAP_CONFIG

User-defined config values to be used within map expressions.


Configure this setting directly using the following Meltano command:

meltano config target-csv set stream_map_config [value]

Stream Maps (stream_maps)

  • Environment variable: TARGET_CSV_STREAM_MAPS

Allows inline stream transformations and aliasing. For more information see: https://sdk.meltano.com/en/latest/stream_maps.html


Configure this setting directly using the following Meltano command:

meltano config target-csv set stream_maps [value]

Validate Records (validate_records)

  • Environment variable: TARGET_CSV_VALIDATE_RECORDS
  • Default Value: true

Whether to validate the schema of the incoming streams.


Configure this setting directly using the following Meltano command:

meltano config target-csv set validate_records [value]

Something missing?

This page is generated from a YAML file that you can contribute changes to.

Edit it on GitHub!

Looking for help?

If you're having trouble getting the target-csv loader to work, look for an existing issue in its repository, file a new issue, or join the Meltano Slack community and ask for help in the 
#plugins-general
channel.

Install

meltano add loader target-csv

Maintenance Status

  • Maintenance Status
  • Built with the Meltano SDK

Repo

https://github.com/MeltanoLabs/target-csv
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Keywords

  • meltano_sdk