orm: fix u8/i8 OID mapping and string default quoting - #27989
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Fix vlang#27986: Map u8 to Oid.t_int2 (smallint) instead of Oid.t_char in pg_stmt_match, using conv.hton16 for proper byte order conversion. Previously u8 was bound as PostgreSQL's internal "char" type, causing type mismatch errors when the column was smallint. Fix vlang#27987: Properly quote string values in DEFAULT clauses during DDL generation. Track whether the default came from a string attribute and wrap with SQL single quotes to avoid invalid SQL like DEFAULT /dashboard instead of DEFAULT '/dashboard'. Co-Authored-By: Claude <noreply@anthropic.com>
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…string-default-quoting
Add is_sql_expr() helper to detect SQL function calls (e.g. gen_random_uuid()) and keyword constants (e.g. CURRENT_TIME, CURRENT_DATE, CURRENT_TIMESTAMP) so that @[default: 'CURRENT_TIME'] correctly produces DEFAULT CURRENT_TIME rather than DEFAULT 'CURRENT_TIME'. String literal defaults (e.g. @[default: '/dashboard']) continue to be properly quoted with single quotes. Co-Authored-By: Claude <noreply@anthropic.com>
…istic Replace the all-uppercase heuristic with a clean kind-based strategy: - .plain kind (bare identifier, e.g. @[default: CURRENT_TIME]) → no quote - .number kind (e.g. @[default: 42]) → no quote - .string kind with parentheses (e.g. @[default: 'gen_random_uuid()']) → no quote - .string kind otherwise (e.g. @[default: '/dashboard']) → quote This eliminates false positives where uppercase string values like 'YES', 'ACTIVE', or 'NULL' would be incorrectly treated as SQL expressions. Users who need SQL keyword defaults should use bare identifiers (without quotes) — which V's attribute parser already supports as .plain kind. Updated sqlite_orm_test.v to use bare identifiers for CURRENT_TIME, CURRENT_DATE, and CURRENT_TIMESTAMP. Co-Authored-By: Claude <noreply@anthropic.com>
Replace @[default: 'CURRENT_TIMESTAMP'] with @[default: CURRENT_TIMESTAMP] (bare identifier, .plain kind) so the SQL expression is not quoted. This aligns with the kind-based approach: .plain = SQL expression (no quote), .string = string literal (quote). Covered databases: - PostgreSQL: CURRENT_TIMESTAMP, gen_random_uuid() (parens detected) - MySQL: CURRENT_TIMESTAMP - SQLite: CURRENT_TIME, CURRENT_DATE, CURRENT_TIMESTAMP (already updated) Co-Authored-By: Claude <noreply@anthropic.com>
…xpressions Update all remaining uses of quoted SQL expression defaults across the codebase to use bare identifiers (.plain kind): - vlib/orm/orm_option_time_test.v: CURRENT_TIME - vlib/v/tests/orm_array_field_test.v: CURRENT_TIME - vlib/v3/tests/orm_join_sql_attr_test.v: db_default (string literal) - examples/veb_orm_jwt/user_entities.v: CURRENT_TIMESTAMP (x3) - examples/veb_fullstack/product_entities.v: CURRENT_TIMESTAMP Also fix the old manual double-quote workaround in v3 test. Co-Authored-By: Claude <noreply@anthropic.com>
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Fix #27986 —
u8andi8bound as wrong PostgreSQL typeBefore:
u8andi8were bound asOid.t_char(PostgreSQL internal"char"type, OID 18), causing:After: Both map to
Oid.t_int2(smallint) with properconv.hton16()byte-order conversion, consistent withi16/u16.u8t_char(18)t_int2(21)conv.hton16(u16(data))i8t_char(18)t_int2(21)conv.hton16(u16(data))Values verify correctly:
u8(255)→u16(255)→ int2 reads 255 ✅i8(-1)→u16(65535)→ int2 reads -1 ✅ (matchesi16pattern)Fix #27987 — String
default:values not quoted in DDLBefore:
@[default: '\''/dashboard'\'']generated invalid SQL:After: String defaults are properly quoted:
Numeric defaults remain unquoted (
DEFAULT 0,DEFAULT 33), and empty string defaults (DEFAULT '\'''\'') continue to work via the existing explicit branch.Breaking change: The
@[default: '\''"...'\'']workaround (embedding manual double-quotes) is no longer needed. Tests updated accordingly.Files Changed
vlib/db/pg/orm.vu8/i8:t_char→t_int2withhton16vlib/orm/orm.vvlib/orm/orm_func_test.v"..."workaroundvlib/orm/orm_null_test.vvlib/orm/orm_upsert_test.v"..."workaroundTests
All 38 ORM tests pass.