Warning! This is a work in progress.
pgqb (Postgres Query Builder) is a small utility library to build PostgreSQL query strings in Go. This library is purely used for SQL string generation and paired with something like jackc/pgx.
Features:
- Simple, natural syntax
- Supported commands:
SELECT,FROM,WHERE,JOIN(INNER, LEFT, and RIGHT),ORDER BY,GROUP BY,OFFSET,LIMIT - SubQueries builder
- Nested conditionals builder
Please be aware that the queries are not sanitized by default. There's a helper function to do it, Sanitize.
builder := pgqb.Builder{}
builder.Select("one", "two").From("some_table")SELECT one,two FROM some_tablebuilder := pgqb.Builder{}
builder.
Select("one", "two").
From("some_table").
InnerJoin("other_table", "other_table.id = some_table.other_id").
InnerJoin("another_table", "another_table.id = other_table.another_id")SELECT one, two FROM some_table INNER JOIN other_table ON other_table.id = some_table.other_id INNER JOIN another_table ON another_table.id = other_table.another_idbuilder := pgqb.Builder{}
builder.
Select("one", "two").
From("some_table").
InnerJoin("other_table", "other_table.id = some_table.other_id").
InnerJoin(pgqb.Sub(func(builder *pgqb.Builder) {
builder.
Select("sqcol").
From("sqtable").
Where("sqcol2 = 'abc'").
Limit(1)
}, "sq"), "sq.sqcol = 'x'").
Limit(20).
OrderBy("id", "ASC")SELECT one, two FROM some_table INNER JOIN other_table ON other_table.id = some_table.other_id INNER JOIN ( SELECT sqcol FROM sqtable WHERE sqcol2 = 'abc' LIMIT 1 ) AS sq ON sq.sqcol = 'x' ORDER BY id ASC LIMIT 20 builder := pgqb.Builder{}
builder.
Select("one", "two").
From("some_table").
Where(pgqb.Condition(func(builder *pgqb.ConditionBuilder) {
builder.Or("a = 1")
builder.Or("b > 10")
builder.Or(pgqb.Condition(func(builder *pgqb.ConditionBuilder) {
builder.And("c = 0")
builder.And("d = 0")
}))
})).
Where("z = 0")SELECT one, two FROM some_table WHERE ( a = 1 OR b > 10 OR ( c = 0 AND d = 0 ) ) AND z = 0 
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