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postgres: add tests to handle multiple statements in the same query (#85523)

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* postgres: add tests to handle multiple statements in the same query

* better test explanation
This commit is contained in:
Gábor Farkas 2024-04-08 16:56:23 +02:00 committed by GitHub
parent fe3b6d3c5e
commit ccd13bf08e
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2
pkg/tsdb/grafana-postgresql-datasource/postgres_snapshot_test.go
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@ -121,6 +121,8 @@ func TestIntegrationPostgresSnapshots(t *testing.T) {
{format: "time_series", name: "fill_value"},
{format: "time_series", name: "fill_value_wide"},
{format: "table", name: "simple"},
{format: "table", name: "multi_stat1"},
{format: "table", name: "multi_stat2"},
{format: "table", name: "no_rows"},
{format: "table", name: "types_numeric"},
{format: "table", name: "types_char"},

56
pkg/tsdb/grafana-postgresql-datasource/testdata/table/multi_stat1.golden.jsonc vendored Normal file
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@ -0,0 +1,56 @@
// 🌟 This was machine generated. Do not edit. 🌟
//
// Frame[0] {
// "typeVersion": [
// 0,
// 0
// ],
// "executedQueryString": "SELECT t FROM tbl WHERE t='one'; SELECT t FROM tbl WHERE t='three';"
// }
// Name:
// Dimensions: 1 Fields by 2 Rows
// +-----------------+
// | Name: t |
// | Labels: |
// | Type: []*string |
// +-----------------+
// | one |
// | three |
// +-----------------+
//
//
// 🌟 This was machine generated. Do not edit. 🌟
{
"status": 200,
"frames": [
{
"schema": {
"meta": {
"typeVersion": [
0,
0
],
"executedQueryString": "SELECT t FROM tbl WHERE t='one'; SELECT t FROM tbl WHERE t='three';"
},
"fields": [
{
"name": "t",
"type": "string",
"typeInfo": {
"frame": "string",
"nullable": true
}
}
]
},
"data": {
"values": [
[
"one",
"three"
]
]
}
}
]
}

7
pkg/tsdb/grafana-postgresql-datasource/testdata/table/multi_stat1.sql vendored Normal file
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@ -0,0 +1,7 @@
-- SELECT t FROM tbl WHERE t='one'; SELECT t FROM tbl WHERE t='three';
-- lib/pq allows multiple queries to run, and return results for all the queries
CREATE TEMPORARY TABLE tbl (
t text
);
INSERT INTO tbl (t) VALUES ('one'),('two'),('three');

56
pkg/tsdb/grafana-postgresql-datasource/testdata/table/multi_stat2.golden.jsonc vendored Normal file
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@ -0,0 +1,56 @@
// 🌟 This was machine generated. Do not edit. 🌟
//
// Frame[0] {
// "typeVersion": [
// 0,
// 0
// ],
// "executedQueryString": "SET TIME ZONE -7; select * from tbl; SET TIME ZONE DEFAULT; select * from tbl;"
// }
// Name:
// Dimensions: 1 Fields by 2 Rows
// +---------------------------------+
// | Name: d |
// | Labels: |
// | Type: []*time.Time |
// +---------------------------------+
// | 2024-04-03 05:43:25 -0700 -0700 |
// | 2024-04-03 12:43:25 +0000 UTC |
// +---------------------------------+
//
//
// 🌟 This was machine generated. Do not edit. 🌟
{
"status": 200,
"frames": [
{
"schema": {
"meta": {
"typeVersion": [
0,
0
],
"executedQueryString": "SET TIME ZONE -7; select * from tbl; SET TIME ZONE DEFAULT; select * from tbl;"
},
"fields": [
{
"name": "d",
"type": "time",
"typeInfo": {
"frame": "time.Time",
"nullable": true
}
}
]
},
"data": {
"values": [
[
1712148205000,
1712148205000
]
]
}
}
]
}

10
pkg/tsdb/grafana-postgresql-datasource/testdata/table/multi_stat2.sql vendored Normal file
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@ -0,0 +1,10 @@
-- SET TIME ZONE -7; select * from tbl; SET TIME ZONE DEFAULT; select * from tbl;
-- we are testing that you can run multiple statements in one "query",
-- and those statements have effects on each other, in this example
-- we load the same database-value in different time-zones,
-- we should receive different values.
CREATE TEMPORARY TABLE tbl (
d timestamp with time zone
);
INSERT INTO tbl (d) VALUES ('2024-04-03T12:43:25UTC')