Table Delete Rows

Delete rows from a target table.

Rather than delete a set of rows based on a static condition, this component deletes rows based on matching rows to the key values identified in an input flow.

Multiple Key Column Mappings can be entered. They form an AND condition, so all keys must match for the row to be deleted. This is analogous to a JOIN condition.

Deleting rows requires a vacuum afterwards to recover space. This component does not arrange that vacuum for you. If you are removing a large portion of the table, it may be better to rewrite the rows you want to keep to a new table and then drop the existing table and rename the new one. For more information on vacuuming tables see here.

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Properties

Name = string

A human-readable name for the component.

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Schema = drop-down

Select the table schema. The special value, [Environment Default], will use the schema defined in the environment. For more information on using multiple schemas, read Schemas.

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Target Table Name = drop-down

The table to delete rows from.

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Key Column Mapping = column editor

• Input Column Name: The source column from the input flow.
• Target Column Name: The target column from the target table.

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