Carlos Florêncio
35 lines
703 B
Go
35 lines
703 B
Go
package db
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import (
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"database/sql"
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"fmt"
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_ "github.com/jackc/pgx/v5/stdlib"
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)
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// OpenPostgres opens a PostgreSQL database connection using pgx.
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// If maxConns or minConns are 0, they default to 25 and 5 respectively.
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func OpenPostgres(dsn string, maxConns, minConns int) (*sql.DB, error) {
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db, err := sql.Open("pgx", dsn)
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if err != nil {
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return nil, fmt.Errorf("failed to open postgres database: %w", err)
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}
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if maxConns <= 0 {
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maxConns = 25
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}
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if minConns <= 0 {
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minConns = 5
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}
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db.SetMaxOpenConns(maxConns)
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db.SetMaxIdleConns(minConns)
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if err := db.Ping(); err != nil {
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_ = db.Close()
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return nil, fmt.Errorf("failed to ping postgres database: %w", err)
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}
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return db, nil
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}
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