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Expand typed SQL DSL

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This commit is contained in:
pavel 2026-08-28 00:02:32 +02:00
commit 314c8fb207
17 changed files with 1082 additions and 498 deletions
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18
internal/lang/sql_expansion_test.go
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@ -133,9 +133,9 @@ import pgxpool "github.com/jackc/pgx/v5/pgxpool"
fun claim(id: String, payload: String, pool: *pgxpool.Pool, ctx: context.Context): EventProjection {
return sql.update<EventRow>()
.set { row ->
set(row.payload, payload)
set(row.attempts, row.attempts + 1)
set(row.claimedUntil, now())
row.payload = payload
row.attempts = row.attempts + 1
row.claimedUntil = now()
}
.where { it.id == id && it.publishedAt == null }
.returning { row -> EventProjection(row.id, row.payload) }
@ -210,7 +210,7 @@ func TestRejectExpandedInvalidSQLQueries(t *testing.T) {
{
name: "projection type mismatch",
src: eventSQLSource + `fun query(): GotlinSQLQuery { return sql.from<EventRow>().select { WrongProjection(it.id) }.build() }`,
want: "has type Int but row field id has type String",
want: "has type Int but expression has type String",
},
{
name: "projection arity mismatch",
@ -220,7 +220,7 @@ func TestRejectExpandedInvalidSQLQueries(t *testing.T) {
{
name: "projection after where",
src: eventSQLSource + `fun query(): GotlinSQLQuery { return sql.from<EventRow>().where { it.id == "x" }.select { EventProjection(it.id, it.payload) }.build() }`,
want: "must be the first sql.from method",
want: "after joins and before filtering",
},
{
name: "update missing set",
@ -229,22 +229,22 @@ func TestRejectExpandedInvalidSQLQueries(t *testing.T) {
},
{
name: "update incompatible value",
src: eventSQLSource + `fun query(): GotlinSQLQuery { return sql.update<EventRow>().set { set(it.attempts, "bad") }.build() }`,
src: eventSQLSource + `fun query(): GotlinSQLQuery { return sql.update<EventRow>().set { it.attempts = "bad" }.build() }`,
want: "has type Int but value has type String",
},
{
name: "update null non nullable",
src: eventSQLSource + `fun query(): GotlinSQLQuery { return sql.update<EventRow>().set { set(it.payload, null) }.build() }`,
src: eventSQLSource + `fun query(): GotlinSQLQuery { return sql.update<EventRow>().set { it.payload = null }.build() }`,
want: "has non-nullable type String",
},
{
name: "update nullable into non nullable",
src: eventSQLSource + `fun query(value: String?): GotlinSQLQuery { return sql.update<EventRow>().set { set(it.payload, value) }.build() }`,
src: eventSQLSource + `fun query(value: String?): GotlinSQLQuery { return sql.update<EventRow>().set { it.payload = value }.build() }`,
want: "has type String but value has type String?",
},
{
name: "duplicate update target",
src: eventSQLSource + `fun query(): GotlinSQLQuery { return sql.update<EventRow>().set { set(it.payload, "a"); set(it.payload, "b") }.build() }`,
src: eventSQLSource + `fun query(): GotlinSQLQuery { return sql.update<EventRow>().set { it.payload = "a"; it.payload = "b" }.build() }`,
want: "duplicate set target payload",
},
{