conf

type ComparisonDB struct {
	Name                   string
	Type                   string
	ConnectionStringEnvVar string `yaml:"connection_string_env_var"`
}

type ComparisonSQLStatement struct {
	DB   string
	SQL  string
	Name string
}

type ComparisonTarget struct {
	Name          string
	SQLStatements []ComparisonSQLStatement `yaml:"sql_statements"`
}

type ComparisonsConf struct {
	DBs     []ComparisonDB
	Targets []ComparisonTarget
}

type FreshnessConf struct {
	Targets []TableFreshnessCheckerConf
}

type LastUpdateConf struct {
	Schemas     []string
	Since       time.Duration // default "public"
	TagMappings []LastUpdateTagMappings
}

type LastUpdateMatch string

type LastUpdateTagMappings struct {
	Target    string
	MatchType LastUpdateMatch
	Tag       string
}

type StaticConf struct {
	LastUpdates *LastUpdateConf
	Freshness   *FreshnessConf
	Comparisons *ComparisonsConf
}

type TableFreshnessCheckerConf struct {
	Database string
	Schema   string
	Table    string
	Column   string
	Tags     []string
}