feat: implement PromQL set op AND/UNLESS (#2839)

* initial impl

Signed-off-by: Ruihang Xia <waynestxia@gmail.com>

* disable OR for now

Signed-off-by: Ruihang Xia <waynestxia@gmail.com>

---------

Signed-off-by: Ruihang Xia <waynestxia@gmail.com>
This commit is contained in:
Ruihang Xia
2023-11-30 11:17:57 +08:00
committed by GitHub
parent ae8153515b
commit 9ccd182109
4 changed files with 601 additions and 10 deletions

View File

@@ -18,7 +18,7 @@ use common_error::ext::ErrorExt;
use common_error::status_code::StatusCode;
use common_macro::stack_trace_debug;
use datafusion::error::DataFusionError;
use promql_parser::parser::{Expr as PromExpr, TokenType};
use promql_parser::parser::{Expr as PromExpr, TokenType, VectorMatchCardinality};
use snafu::{Location, Snafu};
#[derive(Snafu)]
@@ -28,6 +28,12 @@ pub enum Error {
#[snafu(display("Unsupported expr type: {}", name))]
UnsupportedExpr { name: String, location: Location },
#[snafu(display("Unsupported vector matches: {:?}", name))]
UnsupportedVectorMatch {
name: VectorMatchCardinality,
location: Location,
},
#[snafu(display("Unexpected token: {:?}", token))]
UnexpectedToken {
token: TokenType,
@@ -112,6 +118,17 @@ pub enum Error {
#[snafu(display("Invalid function argument for {}", fn_name))]
FunctionInvalidArgument { fn_name: String, location: Location },
#[snafu(display(
"Attempt to combine two tables with different column sets, left: {:?}, right: {:?}",
left,
right
))]
CombineTableColumnMismatch {
left: Vec<String>,
right: Vec<String>,
location: Location,
},
}
impl ErrorExt for Error {
@@ -128,7 +145,9 @@ impl ErrorExt for Error {
| ZeroRangeSelector { .. }
| ColumnNotFound { .. }
| Deserialize { .. }
| FunctionInvalidArgument { .. } => StatusCode::InvalidArguments,
| FunctionInvalidArgument { .. }
| UnsupportedVectorMatch { .. }
| CombineTableColumnMismatch { .. } => StatusCode::InvalidArguments,
UnknownTable { .. }
| DataFusionPlanning { .. }

View File

@@ -35,19 +35,20 @@ use datafusion::sql::TableReference;
use datatypes::arrow::datatypes::DataType as ArrowDataType;
use promql_parser::label::{MatchOp, Matcher, Matchers, METRIC_NAME};
use promql_parser::parser::{
token, AggregateExpr, BinaryExpr as PromBinaryExpr, Call, EvalStmt, Expr as PromExpr, Function,
LabelModifier, MatrixSelector, NumberLiteral, Offset, ParenExpr, StringLiteral, SubqueryExpr,
TokenType, UnaryExpr, VectorSelector,
token, AggregateExpr, BinModifier, BinaryExpr as PromBinaryExpr, Call, EvalStmt,
Expr as PromExpr, Function, LabelModifier, MatrixSelector, NumberLiteral, Offset, ParenExpr,
StringLiteral, SubqueryExpr, TokenType, UnaryExpr, VectorMatchCardinality, VectorSelector,
};
use snafu::{ensure, OptionExt, ResultExt};
use table::table::adapter::DfTableProviderAdapter;
use crate::error::{
CatalogSnafu, ColumnNotFoundSnafu, DataFusionPlanningSnafu, ExpectExprSnafu,
ExpectRangeSelectorSnafu, FunctionInvalidArgumentSnafu, MultipleMetricMatchersSnafu,
MultipleVectorSnafu, NoMetricMatcherSnafu, Result, TableNameNotFoundSnafu,
TimeIndexNotFoundSnafu, UnexpectedPlanExprSnafu, UnexpectedTokenSnafu, UnknownTableSnafu,
UnsupportedExprSnafu, ValueNotFoundSnafu, ZeroRangeSelectorSnafu,
CatalogSnafu, ColumnNotFoundSnafu, CombineTableColumnMismatchSnafu, DataFusionPlanningSnafu,
ExpectExprSnafu, ExpectRangeSelectorSnafu, FunctionInvalidArgumentSnafu,
MultipleMetricMatchersSnafu, MultipleVectorSnafu, NoMetricMatcherSnafu, Result,
TableNameNotFoundSnafu, TimeIndexNotFoundSnafu, UnexpectedPlanExprSnafu, UnexpectedTokenSnafu,
UnknownTableSnafu, UnsupportedExprSnafu, UnsupportedVectorMatchSnafu, ValueNotFoundSnafu,
ZeroRangeSelectorSnafu,
};
use crate::extension_plan::{
build_special_time_expr, EmptyMetric, HistogramFold, InstantManipulate, Millisecond,
@@ -268,14 +269,29 @@ impl PromPlanner {
let left_field_columns = self.ctx.field_columns.clone();
let left_table_ref: OwnedTableReference =
self.ctx.table_name.clone().unwrap_or_default().into();
let left_tag_cols = self.ctx.tag_columns.clone();
let right_input = self.prom_expr_to_plan(*rhs.clone()).await?;
let right_field_columns = self.ctx.field_columns.clone();
let right_table_ref: OwnedTableReference =
self.ctx.table_name.clone().unwrap_or_default().into();
let right_tag_cols = self.ctx.tag_columns.clone();
// TODO(ruihang): avoid join if left and right are the same table
// set op has "special" join semantics
if Self::is_token_a_set_op(*op) {
return self.set_op_on_non_field_columns(
left_input,
right_input,
left_tag_cols,
right_tag_cols,
*op,
modifier,
);
}
// normal join
let mut field_columns =
left_field_columns.iter().zip(right_field_columns.iter());
let join_plan = self.join_on_non_field_columns(
@@ -1310,6 +1326,16 @@ impl PromPlanner {
)
}
/// Check if the given op is a set operator (UNION, INTERSECT and EXCEPT in SQL).
fn is_token_a_set_op(token: TokenType) -> bool {
matches!(
token.id(),
token::T_LAND // INTERSECT
| token::T_LOR // UNION
| token::T_LUNLESS // EXCEPT
)
}
/// Build a inner join on time index column and tag columns to concat two logical plans.
fn join_on_non_field_columns(
&self,
@@ -1351,6 +1377,107 @@ impl PromPlanner {
.context(DataFusionPlanningSnafu)
}
fn set_op_on_non_field_columns(
&self,
left: LogicalPlan,
right: LogicalPlan,
left_tag_cols: Vec<String>,
right_tag_cols: Vec<String>,
op: TokenType,
modifier: &Option<BinModifier>,
) -> Result<LogicalPlan> {
let mut left_tag_col_set = left_tag_cols.into_iter().collect::<HashSet<_>>();
let mut right_tag_col_set = right_tag_cols.into_iter().collect::<HashSet<_>>();
// apply modifier
if let Some(modifier) = modifier {
// one-to-many and many-to-one are not supported
ensure!(
matches!(
modifier.card,
VectorMatchCardinality::OneToOne | VectorMatchCardinality::ManyToMany
),
UnsupportedVectorMatchSnafu {
name: modifier.card.clone(),
},
);
// apply label modifier
if let Some(matching) = &modifier.matching {
match matching {
// keeps columns mentioned in `on`
LabelModifier::Include(on) => {
let mask = on.labels.iter().cloned().collect::<HashSet<_>>();
left_tag_col_set = left_tag_col_set.intersection(&mask).cloned().collect();
right_tag_col_set =
right_tag_col_set.intersection(&mask).cloned().collect();
}
// removes columns memtioned in `ignoring`
LabelModifier::Exclude(ignoring) => {
// doesn't check existence of label
for label in &ignoring.labels {
let _ = left_tag_col_set.remove(label);
let _ = right_tag_col_set.remove(label);
}
}
}
}
}
// ensure two sides have the same tag columns
if !matches!(op.id(), token::T_LOR) {
ensure!(
left_tag_col_set == right_tag_col_set,
CombineTableColumnMismatchSnafu {
left: left_tag_col_set.into_iter().collect::<Vec<_>>(),
right: right_tag_col_set.into_iter().collect::<Vec<_>>(),
}
)
};
let join_keys = left_tag_col_set
.into_iter()
.chain([self.ctx.time_index_column.clone().unwrap()])
.collect::<Vec<_>>();
// Generate join plan.
// All set operations in PromQL are "distinct"
match op.id() {
token::T_LAND => LogicalPlanBuilder::from(left)
.distinct()
.context(DataFusionPlanningSnafu)?
.join_detailed(
right,
JoinType::LeftSemi,
(join_keys.clone(), join_keys),
None,
true,
)
.context(DataFusionPlanningSnafu)?
.build()
.context(DataFusionPlanningSnafu),
token::T_LUNLESS => LogicalPlanBuilder::from(left)
.distinct()
.context(DataFusionPlanningSnafu)?
.join_detailed(
right,
JoinType::LeftAnti,
(join_keys.clone(), join_keys),
None,
true,
)
.context(DataFusionPlanningSnafu)?
.build()
.context(DataFusionPlanningSnafu),
token::T_LOR => {
// `OR` can not be expressed by `UNION` precisely.
// it will generate unexpceted result when schemas don't match
UnsupportedExprSnafu {
name: "set operation `OR`",
}
.fail()
}
_ => UnexpectedTokenSnafu { token: op }.fail(),
}
}
/// Build a projection that project and perform operation expr for every value columns.
/// Non-value columns (tag and timestamp) will be preserved in the projection.
///

View File

@@ -0,0 +1,270 @@
-- from promql/testdata/operators.test
-- cases related to AND/OR/UNLESS
-- group_left() and group_right() are not included
create table http_requests (
ts timestamp time index,
job string,
instance string,
g string, -- for `group`
val double,
primary key (job, instance, g)
);
Affected Rows: 0
insert into http_requests values
(3000000, "api", "0", "production", 100),
(3000000, "api", "1", "production", 200),
(3000000, "api", "0", "canary", 300),
(3000000, "api", "1", "canary", 400),
(3000000, "app", "0", "production", 500),
(3000000, "app", "1", "production", 600),
(3000000, "app", "0", "canary", 700),
(3000000, "app", "1", "canary", 800);
Affected Rows: 8
-- empty metric
create table cpu_count(ts timestamp time index);
Affected Rows: 0
create table vector_matching_a(
ts timestamp time index,
l string primary key,
val double,
);
Affected Rows: 0
insert into vector_matching_a values
(3000000, "x", 10),
(3000000, "y", 20);
Affected Rows: 2
-- eval instant at 50m http_requests{group="canary"} and http_requests{instance="0"}
-- http_requests{group="canary", instance="0", job="api-server"} 300
-- http_requests{group="canary", instance="0", job="app-server"} 700
-- SQLNESS SORT_RESULT 3 1
tql eval (3000, 3000, '1s') http_requests{g="canary"} and http_requests{instance="0"};
+---------------------+-----+----------+--------+-------+
| ts | job | instance | g | val |
+---------------------+-----+----------+--------+-------+
| 1970-01-01T00:50:00 | api | 0 | canary | 300.0 |
| 1970-01-01T00:50:00 | app | 0 | canary | 700.0 |
+---------------------+-----+----------+--------+-------+
-- eval instant at 50m (http_requests{group="canary"} + 1) and http_requests{instance="0"}
-- {group="canary", instance="0", job="api-server"} 301
-- {group="canary", instance="0", job="app-server"} 701
-- SQLNESS SORT_RESULT 3 1
tql eval (3000, 3000, '1s') (http_requests{g="canary"} + 1) and http_requests{instance="0"};
+-----+----------+--------+---------------------+------------------+
| job | instance | g | ts | val + Float64(1) |
+-----+----------+--------+---------------------+------------------+
| api | 0 | canary | 1970-01-01T00:50:00 | 301.0 |
| app | 0 | canary | 1970-01-01T00:50:00 | 701.0 |
+-----+----------+--------+---------------------+------------------+
-- eval instant at 50m (http_requests{group="canary"} + 1) and on(instance, job) http_requests{instance="0", group="production"}
-- {group="canary", instance="0", job="api-server"} 301
-- {group="canary", instance="0", job="app-server"} 701
-- SQLNESS SORT_RESULT 3 1
tql eval (3000, 3000, '1s') (http_requests{g="canary"} + 1) and on(instance, job) http_requests{instance="0", g="production"};
+-----+----------+--------+---------------------+------------------+
| job | instance | g | ts | val + Float64(1) |
+-----+----------+--------+---------------------+------------------+
| api | 0 | canary | 1970-01-01T00:50:00 | 301.0 |
| app | 0 | canary | 1970-01-01T00:50:00 | 701.0 |
+-----+----------+--------+---------------------+------------------+
-- eval instant at 50m (http_requests{group="canary"} + 1) and on(instance) http_requests{instance="0", group="production"}
-- {group="canary", instance="0", job="api-server"} 301
-- {group="canary", instance="0", job="app-server"} 701
-- SQLNESS SORT_RESULT 3 1
tql eval (3000, 3000, '1s') (http_requests{g="canary"} + 1) and on(instance) http_requests{instance="0", g="production"};
+-----+----------+--------+---------------------+------------------+
| job | instance | g | ts | val + Float64(1) |
+-----+----------+--------+---------------------+------------------+
| api | 0 | canary | 1970-01-01T00:50:00 | 301.0 |
| app | 0 | canary | 1970-01-01T00:50:00 | 701.0 |
+-----+----------+--------+---------------------+------------------+
-- eval instant at 50m (http_requests{group="canary"} + 1) and ignoring(group) http_requests{instance="0", group="production"}
-- {group="canary", instance="0", job="api-server"} 301
-- {group="canary", instance="0", job="app-server"} 701
-- SQLNESS SORT_RESULT 3 1
tql eval (3000, 3000, '1s') (http_requests{g="canary"} + 1) and ignoring(g) http_requests{instance="0", g="production"};
+-----+----------+--------+---------------------+------------------+
| job | instance | g | ts | val + Float64(1) |
+-----+----------+--------+---------------------+------------------+
| api | 0 | canary | 1970-01-01T00:50:00 | 301.0 |
| app | 0 | canary | 1970-01-01T00:50:00 | 701.0 |
+-----+----------+--------+---------------------+------------------+
-- eval instant at 50m (http_requests{group="canary"} + 1) and ignoring(group, job) http_requests{instance="0", group="production"}
-- {group="canary", instance="0", job="api-server"} 301
-- {group="canary", instance="0", job="app-server"} 701
-- SQLNESS SORT_RESULT 3 1
tql eval (3000, 3000, '1s') (http_requests{g="canary"} + 1) and ignoring(g, job) http_requests{instance="0", g="production"};
+-----+----------+--------+---------------------+------------------+
| job | instance | g | ts | val + Float64(1) |
+-----+----------+--------+---------------------+------------------+
| api | 0 | canary | 1970-01-01T00:50:00 | 301.0 |
| app | 0 | canary | 1970-01-01T00:50:00 | 701.0 |
+-----+----------+--------+---------------------+------------------+
-- eval instant at 50m http_requests{group="canary"} or http_requests{group="production"}
-- http_requests{group="canary", instance="0", job="api-server"} 300
-- http_requests{group="canary", instance="0", job="app-server"} 700
-- http_requests{group="canary", instance="1", job="api-server"} 400
-- http_requests{group="canary", instance="1", job="app-server"} 800
-- http_requests{group="production", instance="0", job="api-server"} 100
-- http_requests{group="production", instance="0", job="app-server"} 500
-- http_requests{group="production", instance="1", job="api-server"} 200
-- http_requests{group="production", instance="1", job="app-server"} 600
-- NOT SUPPORTED: `or`
tql eval (3000, 3000, '1s') http_requests{g="canary"} or http_requests{g="production"};
Error: 1004(InvalidArguments), Unsupported expr type: set operation `OR`
-- # On overlap the rhs samples must be dropped.
-- eval instant at 50m (http_requests{group="canary"} + 1) or http_requests{instance="1"}
-- {group="canary", instance="0", job="api-server"} 301
-- {group="canary", instance="0", job="app-server"} 701
-- {group="canary", instance="1", job="api-server"} 401
-- {group="canary", instance="1", job="app-server"} 801
-- http_requests{group="production", instance="1", job="api-server"} 200
-- http_requests{group="production", instance="1", job="app-server"} 600
-- NOT SUPPORTED: `or`
tql eval (3000, 3000, '1s') (http_requests{g="canary"} + 1) or http_requests{instance="1"};
Error: 1004(InvalidArguments), Unsupported expr type: set operation `OR`
-- # Matching only on instance excludes everything that has instance=0/1 but includes
-- # entries without the instance label.
-- eval instant at 50m (http_requests{group="canary"} + 1) or on(instance) (http_requests or cpu_count or vector_matching_a)
-- {group="canary", instance="0", job="api-server"} 301
-- {group="canary", instance="0", job="app-server"} 701
-- {group="canary", instance="1", job="api-server"} 401
-- {group="canary", instance="1", job="app-server"} 801
-- vector_matching_a{l="x"} 10
-- vector_matching_a{l="y"} 20
-- NOT SUPPORTED: union on different schemas
-- NOT SUPPORTED: `or`
tql eval (3000, 3000, '1s') (http_requests{g="canary"} + 1) or on(instance) (http_requests or cpu_count or vector_matching_a);
Error: 1004(InvalidArguments), Unsupported expr type: set operation `OR`
-- eval instant at 50m (http_requests{group="canary"} + 1) or ignoring(l, group, job) (http_requests or cpu_count or vector_matching_a)
-- {group="canary", instance="0", job="api-server"} 301
-- {group="canary", instance="0", job="app-server"} 701
-- {group="canary", instance="1", job="api-server"} 401
-- {group="canary", instance="1", job="app-server"} 801
-- vector_matching_a{l="x"} 10
-- vector_matching_a{l="y"} 20
-- NOT SUPPORTED: union on different schemas
-- NOT SUPPORTED: `or`
tql eval (3000, 3000, '1s') (http_requests{g="canary"} + 1) or ignoring(l, g, job) (http_requests or cpu_count or vector_matching_a);
Error: 1004(InvalidArguments), Unsupported expr type: set operation `OR`
-- eval instant at 50m http_requests{group="canary"} unless http_requests{instance="0"}
-- http_requests{group="canary", instance="1", job="api-server"} 400
-- http_requests{group="canary", instance="1", job="app-server"} 800
-- SQLNESS SORT_RESULT 3 1
tql eval (3000, 3000, '1s') http_requests{g="canary"} unless http_requests{instance="0"};
+---------------------+-----+----------+--------+-------+
| ts | job | instance | g | val |
+---------------------+-----+----------+--------+-------+
| 1970-01-01T00:50:00 | api | 1 | canary | 400.0 |
| 1970-01-01T00:50:00 | app | 1 | canary | 800.0 |
+---------------------+-----+----------+--------+-------+
-- eval instant at 50m http_requests{group="canary"} unless on(job) http_requests{instance="0"}
tql eval (3000, 3000, '1s') http_requests{g="canary"} unless on(job) http_requests{instance="0"};
++
++
-- eval instant at 50m http_requests{group="canary"} unless on(job, instance) http_requests{instance="0"}
-- http_requests{group="canary", instance="1", job="api-server"} 400
-- http_requests{group="canary", instance="1", job="app-server"} 800
-- SQLNESS SORT_RESULT 3 1
tql eval (3000, 3000, '1s') http_requests{g="canary"} unless on(job, instance) http_requests{instance="0"};
+---------------------+-----+----------+--------+-------+
| ts | job | instance | g | val |
+---------------------+-----+----------+--------+-------+
| 1970-01-01T00:50:00 | api | 1 | canary | 400.0 |
| 1970-01-01T00:50:00 | app | 1 | canary | 800.0 |
+---------------------+-----+----------+--------+-------+
-- eval instant at 50m http_requests{group="canary"} unless ignoring(group, instance) http_requests{instance="0"}
tql eval (3000, 3000, '1s') http_requests{g="canary"} unless ignoring(g, instance) http_requests{instance="0"};
++
++
-- eval instant at 50m http_requests{group="canary"} unless ignoring(group) http_requests{instance="0"}
-- http_requests{group="canary", instance="1", job="api-server"} 400
-- http_requests{group="canary", instance="1", job="app-server"} 800
-- SQLNESS SORT_RESULT 3 1
tql eval (3000, 3000, '1s') http_requests{g="canary"} unless ignoring(g) http_requests{instance="0"};
+---------------------+-----+----------+--------+-------+
| ts | job | instance | g | val |
+---------------------+-----+----------+--------+-------+
| 1970-01-01T00:50:00 | api | 1 | canary | 400.0 |
| 1970-01-01T00:50:00 | app | 1 | canary | 800.0 |
+---------------------+-----+----------+--------+-------+
-- # https://github.com/prometheus/prometheus/issues/1489
-- eval instant at 50m http_requests AND ON (dummy) vector(1)
-- http_requests{group="canary", instance="0", job="api-server"} 300
-- http_requests{group="canary", instance="0", job="app-server"} 700
-- http_requests{group="canary", instance="1", job="api-server"} 400
-- http_requests{group="canary", instance="1", job="app-server"} 800
-- http_requests{group="production", instance="0", job="api-server"} 100
-- http_requests{group="production", instance="0", job="app-server"} 500
-- http_requests{group="production", instance="1", job="api-server"} 200
-- http_requests{group="production", instance="1", job="app-server"} 600
-- NOT SUPPORTED: `vector()`
tql eval (3000, 3000, '1s') http_requests AND ON (dummy) vector(1);
Error: 1004(InvalidArguments), Expect a PromQL expr but not found, input expr: Call(Call { func: Function { name: "vector", arg_types: [Scalar], variadic: false, return_type: Vector }, args: FunctionArgs { args: [NumberLiteral(NumberLiteral { val: 1.0 })] } })
-- eval instant at 50m http_requests AND IGNORING (group, instance, job) vector(1)
-- http_requests{group="canary", instance="0", job="api-server"} 300
-- http_requests{group="canary", instance="0", job="app-server"} 700
-- http_requests{group="canary", instance="1", job="api-server"} 400
-- http_requests{group="canary", instance="1", job="app-server"} 800
-- http_requests{group="production", instance="0", job="api-server"} 100
-- http_requests{group="production", instance="0", job="app-server"} 500
-- http_requests{group="production", instance="1", job="api-server"} 200
-- http_requests{group="production", instance="1", job="app-server"} 600
-- NOT SUPPORTED: `vector()`
tql eval (3000, 3000, '1s') http_requests AND IGNORING (g, instance, job) vector(1);
Error: 1004(InvalidArguments), Expect a PromQL expr but not found, input expr: Call(Call { func: Function { name: "vector", arg_types: [Scalar], variadic: false, return_type: Vector }, args: FunctionArgs { args: [NumberLiteral(NumberLiteral { val: 1.0 })] } })
drop table http_requests;
Affected Rows: 0
drop table cpu_count;
Affected Rows: 0
drop table vector_matching_a;
Affected Rows: 0

View File

@@ -0,0 +1,175 @@
-- from promql/testdata/operators.test
-- cases related to AND/OR/UNLESS
-- group_left() and group_right() are not included
create table http_requests (
ts timestamp time index,
job string,
instance string,
g string, -- for `group`
val double,
primary key (job, instance, g)
);
insert into http_requests values
(3000000, "api", "0", "production", 100),
(3000000, "api", "1", "production", 200),
(3000000, "api", "0", "canary", 300),
(3000000, "api", "1", "canary", 400),
(3000000, "app", "0", "production", 500),
(3000000, "app", "1", "production", 600),
(3000000, "app", "0", "canary", 700),
(3000000, "app", "1", "canary", 800);
-- empty metric
create table cpu_count(ts timestamp time index);
create table vector_matching_a(
ts timestamp time index,
l string primary key,
val double,
);
insert into vector_matching_a values
(3000000, "x", 10),
(3000000, "y", 20);
-- eval instant at 50m http_requests{group="canary"} and http_requests{instance="0"}
-- http_requests{group="canary", instance="0", job="api-server"} 300
-- http_requests{group="canary", instance="0", job="app-server"} 700
-- SQLNESS SORT_RESULT 3 1
tql eval (3000, 3000, '1s') http_requests{g="canary"} and http_requests{instance="0"};
-- eval instant at 50m (http_requests{group="canary"} + 1) and http_requests{instance="0"}
-- {group="canary", instance="0", job="api-server"} 301
-- {group="canary", instance="0", job="app-server"} 701
-- SQLNESS SORT_RESULT 3 1
tql eval (3000, 3000, '1s') (http_requests{g="canary"} + 1) and http_requests{instance="0"};
-- eval instant at 50m (http_requests{group="canary"} + 1) and on(instance, job) http_requests{instance="0", group="production"}
-- {group="canary", instance="0", job="api-server"} 301
-- {group="canary", instance="0", job="app-server"} 701
-- SQLNESS SORT_RESULT 3 1
tql eval (3000, 3000, '1s') (http_requests{g="canary"} + 1) and on(instance, job) http_requests{instance="0", g="production"};
-- eval instant at 50m (http_requests{group="canary"} + 1) and on(instance) http_requests{instance="0", group="production"}
-- {group="canary", instance="0", job="api-server"} 301
-- {group="canary", instance="0", job="app-server"} 701
-- SQLNESS SORT_RESULT 3 1
tql eval (3000, 3000, '1s') (http_requests{g="canary"} + 1) and on(instance) http_requests{instance="0", g="production"};
-- eval instant at 50m (http_requests{group="canary"} + 1) and ignoring(group) http_requests{instance="0", group="production"}
-- {group="canary", instance="0", job="api-server"} 301
-- {group="canary", instance="0", job="app-server"} 701
-- SQLNESS SORT_RESULT 3 1
tql eval (3000, 3000, '1s') (http_requests{g="canary"} + 1) and ignoring(g) http_requests{instance="0", g="production"};
-- eval instant at 50m (http_requests{group="canary"} + 1) and ignoring(group, job) http_requests{instance="0", group="production"}
-- {group="canary", instance="0", job="api-server"} 301
-- {group="canary", instance="0", job="app-server"} 701
-- SQLNESS SORT_RESULT 3 1
tql eval (3000, 3000, '1s') (http_requests{g="canary"} + 1) and ignoring(g, job) http_requests{instance="0", g="production"};
-- eval instant at 50m http_requests{group="canary"} or http_requests{group="production"}
-- http_requests{group="canary", instance="0", job="api-server"} 300
-- http_requests{group="canary", instance="0", job="app-server"} 700
-- http_requests{group="canary", instance="1", job="api-server"} 400
-- http_requests{group="canary", instance="1", job="app-server"} 800
-- http_requests{group="production", instance="0", job="api-server"} 100
-- http_requests{group="production", instance="0", job="app-server"} 500
-- http_requests{group="production", instance="1", job="api-server"} 200
-- http_requests{group="production", instance="1", job="app-server"} 600
-- NOT SUPPORTED: `or`
tql eval (3000, 3000, '1s') http_requests{g="canary"} or http_requests{g="production"};
-- # On overlap the rhs samples must be dropped.
-- eval instant at 50m (http_requests{group="canary"} + 1) or http_requests{instance="1"}
-- {group="canary", instance="0", job="api-server"} 301
-- {group="canary", instance="0", job="app-server"} 701
-- {group="canary", instance="1", job="api-server"} 401
-- {group="canary", instance="1", job="app-server"} 801
-- http_requests{group="production", instance="1", job="api-server"} 200
-- http_requests{group="production", instance="1", job="app-server"} 600
-- NOT SUPPORTED: `or`
tql eval (3000, 3000, '1s') (http_requests{g="canary"} + 1) or http_requests{instance="1"};
-- # Matching only on instance excludes everything that has instance=0/1 but includes
-- # entries without the instance label.
-- eval instant at 50m (http_requests{group="canary"} + 1) or on(instance) (http_requests or cpu_count or vector_matching_a)
-- {group="canary", instance="0", job="api-server"} 301
-- {group="canary", instance="0", job="app-server"} 701
-- {group="canary", instance="1", job="api-server"} 401
-- {group="canary", instance="1", job="app-server"} 801
-- vector_matching_a{l="x"} 10
-- vector_matching_a{l="y"} 20
-- NOT SUPPORTED: union on different schemas
-- NOT SUPPORTED: `or`
tql eval (3000, 3000, '1s') (http_requests{g="canary"} + 1) or on(instance) (http_requests or cpu_count or vector_matching_a);
-- eval instant at 50m (http_requests{group="canary"} + 1) or ignoring(l, group, job) (http_requests or cpu_count or vector_matching_a)
-- {group="canary", instance="0", job="api-server"} 301
-- {group="canary", instance="0", job="app-server"} 701
-- {group="canary", instance="1", job="api-server"} 401
-- {group="canary", instance="1", job="app-server"} 801
-- vector_matching_a{l="x"} 10
-- vector_matching_a{l="y"} 20
-- NOT SUPPORTED: union on different schemas
-- NOT SUPPORTED: `or`
tql eval (3000, 3000, '1s') (http_requests{g="canary"} + 1) or ignoring(l, g, job) (http_requests or cpu_count or vector_matching_a);
-- eval instant at 50m http_requests{group="canary"} unless http_requests{instance="0"}
-- http_requests{group="canary", instance="1", job="api-server"} 400
-- http_requests{group="canary", instance="1", job="app-server"} 800
-- SQLNESS SORT_RESULT 3 1
tql eval (3000, 3000, '1s') http_requests{g="canary"} unless http_requests{instance="0"};
-- eval instant at 50m http_requests{group="canary"} unless on(job) http_requests{instance="0"}
tql eval (3000, 3000, '1s') http_requests{g="canary"} unless on(job) http_requests{instance="0"};
-- eval instant at 50m http_requests{group="canary"} unless on(job, instance) http_requests{instance="0"}
-- http_requests{group="canary", instance="1", job="api-server"} 400
-- http_requests{group="canary", instance="1", job="app-server"} 800
-- SQLNESS SORT_RESULT 3 1
tql eval (3000, 3000, '1s') http_requests{g="canary"} unless on(job, instance) http_requests{instance="0"};
-- eval instant at 50m http_requests{group="canary"} unless ignoring(group, instance) http_requests{instance="0"}
tql eval (3000, 3000, '1s') http_requests{g="canary"} unless ignoring(g, instance) http_requests{instance="0"};
-- eval instant at 50m http_requests{group="canary"} unless ignoring(group) http_requests{instance="0"}
-- http_requests{group="canary", instance="1", job="api-server"} 400
-- http_requests{group="canary", instance="1", job="app-server"} 800
-- SQLNESS SORT_RESULT 3 1
tql eval (3000, 3000, '1s') http_requests{g="canary"} unless ignoring(g) http_requests{instance="0"};
-- # https://github.com/prometheus/prometheus/issues/1489
-- eval instant at 50m http_requests AND ON (dummy) vector(1)
-- http_requests{group="canary", instance="0", job="api-server"} 300
-- http_requests{group="canary", instance="0", job="app-server"} 700
-- http_requests{group="canary", instance="1", job="api-server"} 400
-- http_requests{group="canary", instance="1", job="app-server"} 800
-- http_requests{group="production", instance="0", job="api-server"} 100
-- http_requests{group="production", instance="0", job="app-server"} 500
-- http_requests{group="production", instance="1", job="api-server"} 200
-- http_requests{group="production", instance="1", job="app-server"} 600
-- NOT SUPPORTED: `vector()`
tql eval (3000, 3000, '1s') http_requests AND ON (dummy) vector(1);
-- eval instant at 50m http_requests AND IGNORING (group, instance, job) vector(1)
-- http_requests{group="canary", instance="0", job="api-server"} 300
-- http_requests{group="canary", instance="0", job="app-server"} 700
-- http_requests{group="canary", instance="1", job="api-server"} 400
-- http_requests{group="canary", instance="1", job="app-server"} 800
-- http_requests{group="production", instance="0", job="api-server"} 100
-- http_requests{group="production", instance="0", job="app-server"} 500
-- http_requests{group="production", instance="1", job="api-server"} 200
-- http_requests{group="production", instance="1", job="app-server"} 600
-- NOT SUPPORTED: `vector()`
tql eval (3000, 3000, '1s') http_requests AND IGNORING (g, instance, job) vector(1);
drop table http_requests;
drop table cpu_count;
drop table vector_matching_a;