Release v0.8.0: Named Placeholders, Quoting, Row/Column, Transactional, Distinct, AndWhere/OrWhere

[kolkov]

Summary

Release v0.8.0 implements 6 new features based on ozzo-dbx API analysis:

• TASK-010: Named placeholders {:name} with Bind(Params{})
• TASK-011: Table/column quoting {{table}} [[column]]
• TASK-012: Row() and Column() methods for scalar results
• TASK-013: Transactional() helper with auto commit/rollback and panic recovery
• TASK-014: Distinct() method for SELECT DISTINCT
• TASK-015: AndWhere() and OrWhere() for dynamic WHERE building

New API Examples

// Named placeholders
db.NewQuery("SELECT * FROM users WHERE id={:id}").
    Bind(relica.Params{"id": 1}).All(&users)

// Table/column quoting
db.NewQuery("SELECT [[name]] FROM {{users}}").All(&names)

// Row/Column for scalar results
var count int
db.Select("COUNT(*)").From("users").Row(&count)

// Transactional helper
db.Transactional(ctx, func(tx *relica.Tx) error {
    return tx.Model(&user).Insert()
})

// DISTINCT
db.Select("category").From("products").Distinct(true).All(&cats)

// Dynamic WHERE
q := db.Select("*").From("users").Where("status = ?", 1)
q = q.AndWhere(relica.Like("name", "%john%"))
q = q.OrWhere(relica.Eq("role", "admin"))

Quality

• All tests pass (600+)
• golangci-lint: 0 issues
• pre-release.sh: PASS
• 14 files changed, 3874 insertions

Test plan

• Unit tests for all new features
• Linter validation
• Pre-release script passed
• CI checks on PR

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