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added DB query trace option
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eeisegn committed Jun 24, 2024
1 parent 5ac287f commit 94b92ae
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Showing 3 changed files with 33 additions and 7 deletions.
11 changes: 11 additions & 0 deletions CHANGELOG.md
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Expand Up @@ -9,6 +9,15 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
### Added
- Upcoming changes...

## [0.5.0] - 2024-06-24
### Added
- Added DB query tracing option

## [0.4.0] - 2024-06-20
### Added
- Upgraded to goland 1.20
- Added optional OTEL parameter initialisation

## [0.3.0] - 2023-11-27
### Added
- Added SQL query tracing support
Expand All @@ -29,3 +38,5 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
[0.1.0]: https://github.com/scanoss/go-grpc-helper/compare/v0.0.0...v0.1.0
[0.2.0]: https://github.com/scanoss/go-grpc-helper/compare/v0.1.0...v0.2.0
[0.3.0]: https://github.com/scanoss/go-grpc-helper/compare/v0.2.0...v0.3.0
[0.4.0]: https://github.com/scanoss/go-grpc-helper/compare/v0.3.0...v0.4.0
[0.5.0]: https://github.com/scanoss/go-grpc-helper/compare/v0.4.0...v0.5.0
12 changes: 9 additions & 3 deletions pkg/grpc/database/queries.go
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Expand Up @@ -34,22 +34,28 @@ import (
var sqlRegex = regexp.MustCompile(`\$\d+`) // regex to check for SQL parameters

type DBQueryContext struct {
db *sqlx.DB
conn *sqlx.Conn
s *zap.SugaredLogger
trace bool
}

// NewDBSelectContext creates a new instance of the DBQueryContext service.
func NewDBSelectContext(s *zap.SugaredLogger, conn *sqlx.Conn, trace bool) *DBQueryContext {
return &DBQueryContext{s: s, conn: conn, trace: trace}
func NewDBSelectContext(s *zap.SugaredLogger, db *sqlx.DB, conn *sqlx.Conn, trace bool) *DBQueryContext {
return &DBQueryContext{s: s, db: db, conn: conn, trace: trace}
}

// SelectContext logs the give query before executing it and the result afterward, if tracing is enabled?
func (q *DBQueryContext) SelectContext(ctx context.Context, dest interface{}, query string, args ...interface{}) error {
if q.trace {
q.SQLQueryTrace(query, args...)
}
err := q.conn.SelectContext(ctx, dest, query, args...)
var err error
if q.conn != nil {
err = q.conn.SelectContext(ctx, dest, query, args...)
} else {
err = q.db.SelectContext(ctx, dest, query, args...)
}
if err == nil && q.trace {
q.SQLResultsTrace(dest)
}
Expand Down
17 changes: 13 additions & 4 deletions pkg/grpc/database/queries_test.go
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Expand Up @@ -53,15 +53,24 @@ func TestQuerySQLite(t *testing.T) {
db.MustExec("CREATE TABLE person (firstname text, lastname text)")
db.MustExec("INSERT INTO person (firstname, lastname) VALUES ('harry', 'potter')")
ctx := context.Background()

q1 := NewDBSelectContext(zlog.S, db, nil, true)
var results1 []Persons
err = q1.SelectContext(ctx, &results1, "SELECT * FROM person where firstname = $1", "harry")
if err != nil {
t.Errorf("Unexpected error: %v", err)
}
fmt.Printf("Results1: %v\n", results1)

conn, err := db.Connx(ctx)
if err != nil {
t.Errorf("Unexpected error: %v", err)
}
q := NewDBSelectContext(zlog.S, conn, true)
var results []Persons
err = q.SelectContext(ctx, &results, "SELECT * FROM person where firstname = $1", "harry")
q2 := NewDBSelectContext(zlog.S, db, conn, true)
var results2 []Persons
err = q2.SelectContext(ctx, &results2, "SELECT * FROM person where firstname = $1", "harry")
if err != nil {
t.Errorf("Unexpected error: %v", err)
}
fmt.Printf("Results: %v\n", results)
fmt.Printf("Results2: %v\n", results2)
}

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