docs/hop-user-manual/modules/ROOT/pages/pipeline/transforms/tableexists.adoc

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:documentationPath: /pipeline/transforms/
:language: en_US
:description: The Table Exists transform verifies if a certain table exists in a database. The result of this transform is a boolean flag field.

= image:transforms/icons/tableexists.svg[Table Exists transform Icon, role="image-doc-icon"] Table Exists

[%noheader,cols="3a,1a", role="table-no-borders" ]
|===
|
== Description

The Table Exists transform verifies if a certain table exists in a database. The result of this transform is a boolean flag field.

|
== Supported Engines
[%noheader,cols="2,1a",frame=none, role="table-supported-engines"]
!===
!Hop Engine! image:check_mark.svg[Supported, 24]
!Spark! image:question_mark.svg[Maybe Supported, 24]
!Flink! image:question_mark.svg[Maybe Supported, 24]
!Dataflow! image:question_mark.svg[Maybe Supported, 24]
!===
|===

== Options

[options="header"]
|===
|Option|Description
|Transform name|The name of the transform.
This name has to be unique in a single pipeline.
|Connection|The database connection to use
|Schema name|The schema of the table to look for
|Table name field|The name of the field that will contain the database table name to look for.
|Result fieldname|The name of the field that will contain the boolean result flag in the output of this transform.
|===