v1.8.0

New features:

• new $perSecond macros #78
• new $perSecondColumns macros see #80
• Date column is now optional #48

Fixes:

• extend queried timerange for queries with round option to provide a graph without gaps in the rightmost and leftmost points #84
• adhocs: check whether it is possibly to apply filters by comparing with parsed query or query builder settings #86

v1.7.0

• provide $adhoc macros for using ad-hoc filters in inner queries (thx to @vavrusa)
• allow to set custom query for ad-hoc filter via adhoc_query_filter variable
• provide new Round value $step for auto-rounding according to graph resolution changes

v1.6.0

• annotations support (txh to @atsirin)
• allow to use $from and $to macroses in variable queries
• provisioning config example in README

v1.5.1

• optimize memory use for range time series (thx to @vavrusa)
• apply ad-hoc filters on inner subqueries (thx to @vavrusa)

v1.5.0

• new datasource setting - default database. If set it will be prefilled in the query builder, and used to make ad-hoc filters more convenient (thx to @vavrusa)
• support wildcard ad-hoc filters for dashboards using multiple tables (thx to @vavrusa)
• parse dimensions from GROUP BY to simplify querying (see piechart and worldmap examples) (thx to @vavrusa)
• $timeCol to $dateCol renamed to be more clear with column types (thx to @simPod)

v1.4.3

• fix broken AST when using nested SELECT without FROM statement (#45)
• strict statement matching (#44)
• rebuild queries from AST only if adhoc filters were applied

v1.4.2

Fixes:

• support UNION ALL statements
• proper format for LIMIT N,M construction (thx to @shankerwangmiao)
• update Show Help section with $unescape description

v1.4.1

New Features

• $unescape - unescapes variable value by removing single quotes. Used for multiple-value string variables: "SELECT $unescape($column) FROM requests WHERE $unescape($column) = 5"

Fixes

• labmda-operator -> no more breaks while reformatting query

v1.4.0

Ad-hoc filters support:

• If there is an Ad-hoc variable, plugin will fetch all columns of all tables of all databases (except system database) as tags.
  So in dropdown menu will be options like database.table.column
• If there are ENUM columns, plugin will fetch their options and use them as tag values
• Plugin will apply Ad-hoc filters to all queries on the dashboard if their settings $database and $table are the same
  as Ad-hoc's database.table
• There are no option to apply OR operator for multiple Ad-hoc filters - see grafana/grafana#10918
• There are no option to use IN operator for Ad-hoc filters due to Grafana limitations

v1.3.1

• AST: support array indexing