init

.gitignore

@@ -0,0 +1,2 @@
+# JetBrains' IDEs
+.idea

go.mod

@@ -0,0 +1,3 @@
+module git.simplesystems.tech/bjj-gym-management/simplesql
+
+go 1.14

simplesql.go

@@ -0,0 +1,40 @@
+package simplesql
+
+import (
+	"context"
+	"database/sql"
+	"fmt"
+)
+
+// StmtKey is the simplest map key to use for mapping to a sql.Stmt, or a string statement.
+// It is up to the user to properly map StmtKeys to the right statement.
+type StmtKey int
+
+// Stmts is the type that will be used to prepare and close sql.Stmts.
+type Stmts map[StmtKey]*sql.Stmt
+
+// Close will close all prepared statements.
+// This should be called after all statements are done.
+func (s *Stmts) Close() {
+	for _, stmt := range *s {
+		_ = stmt.Close()
+	}
+}
+
+// New will create a Stmts from the pass queries.  Each string query will be prepared
+// and mapped to the same key.
+func New(ctx context.Context, db *sql.DB, sqlStmts map[StmtKey]string) (Stmts, error) {
+	s := make(Stmts)
+
+	// Iterate through SQL statements and prepare them
+	for key, q := range sqlStmts {
+		ps, err := db.PrepareContext(ctx, q)
+		if err != nil {
+			return nil, fmt.Errorf("preparing statement: %w", err)
+		}
+
+		s[key] = ps
+	}
+
+	return s, nil
+}