QGIS/python/plugins/processing/algs/grass7/description/v.db.select.txt

v.db.select
Prints vector map attributes
Vector (v.*)
QgsProcessingParameterVectorLayer|map|Input vector map |-1|None|False
QgsProcessingParameterNumber|layer|Layer Number|QgsProcessingParameterNumber.Double|1|False|None|1
QgsProcessingParameterString|columns|Name of attribute column(s), comma separated|None|False|True
QgsProcessingParameterBoolean|-c|Do not include column names in output|False
QgsProcessingParameterString|separator|Output field separator|,|False|True
*QgsProcessingParameterString|where|WHERE conditions of SQL statement without 'where' keyword|None|True|True
*QgsProcessingParameterString|group|GROUP BY conditions of SQL statement without 'group by' keyword|None|True|True
*QgsProcessingParameterString|vertical_separator|Output vertical record separator|None|False|True
*QgsProcessingParameterString|null_value|Null value indicator|None|False|True
*QgsProcessingParameterBoolean|-v|Vertical output (instead of horizontal)|False
*QgsProcessingParameterBoolean|-r|Print minimal region extent of selected vector features instead of attributes|False
QgsProcessingParameterFileDestination|file|Attributes|Txt files (*.txt)|None|False