add database and schema to the where clause

[todo]

woken/src/main/scala/ch/chuv/lren/woken/dao/MetadataRepositoryDAO.scala

Lines 73 to 78 in 70240dc

	// TODO: add database and schema to the where clause
	// TODO: collapse database,schema,table into a TableId in the Doobie mappings
	v.fold(
	sql"SELECT id, source, hierarchy, target_table, histogram_groupings FROM meta_variables WHERE target_table=$table"
	.query[VariablesMeta]
	.option

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This issue was generated by todo based on a TODO comment in 70240dc. It's been assigned to @ludovicc because they committed the code.