75 lines
2.1 KiB
Go
75 lines
2.1 KiB
Go
// Copyright (c) Mainflux
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// SPDX-License-Identifier: Apache-2.0
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package postgres
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import (
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"context"
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"database/sql"
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"github.com/jmoiron/sqlx"
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"github.com/opentracing/opentracing-go"
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)
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var _ Database = (*database)(nil)
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type database struct {
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db *sqlx.DB
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}
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// Database provides a database interface
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type Database interface {
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NamedExecContext(context.Context, string, interface{}) (sql.Result, error)
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QueryRowxContext(context.Context, string, ...interface{}) *sqlx.Row
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QueryxContext(context.Context, string, ...interface{}) (*sqlx.Rows, error)
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NamedQueryContext(context.Context, string, interface{}) (*sqlx.Rows, error)
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BeginTxx(ctx context.Context, opts *sql.TxOptions) (*sqlx.Tx, error)
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}
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// NewDatabase creates a ThingDatabase instance
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func NewDatabase(db *sqlx.DB) Database {
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return &database{
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db: db,
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}
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}
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func (d database) NamedQueryContext(ctx context.Context, query string, args interface{}) (*sqlx.Rows, error) {
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addSpanTags(ctx, query)
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return d.db.NamedQueryContext(ctx, query, args)
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}
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func (d database) NamedExecContext(ctx context.Context, query string, args interface{}) (sql.Result, error) {
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addSpanTags(ctx, query)
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return d.db.NamedExecContext(ctx, query, args)
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}
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func (d database) QueryRowxContext(ctx context.Context, query string, args ...interface{}) *sqlx.Row {
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addSpanTags(ctx, query)
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return d.db.QueryRowxContext(ctx, query, args...)
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}
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func (d database) QueryxContext(ctx context.Context, query string, args ...interface{}) (*sqlx.Rows, error) {
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addSpanTags(ctx, query)
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return d.db.QueryxContext(ctx, query, args...)
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}
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func (d database) BeginTxx(ctx context.Context, opts *sql.TxOptions) (*sqlx.Tx, error) {
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span := opentracing.SpanFromContext(ctx)
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if span != nil {
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span.SetTag("span.kind", "client")
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span.SetTag("peer.service", "postgres")
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span.SetTag("db.type", "sql")
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}
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return d.db.BeginTxx(ctx, opts)
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}
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func addSpanTags(ctx context.Context, query string) {
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span := opentracing.SpanFromContext(ctx)
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if span != nil {
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span.SetTag("sql.statement", query)
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span.SetTag("span.kind", "client")
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span.SetTag("peer.service", "postgres")
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span.SetTag("db.type", "sql")
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}
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}
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